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        <link:definition>048 - Disclosure - Summary of Significant Accounting Policies (Details)</link:definition>
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  <xs:element name="OrganizationLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_OrganizationLineItems"/>
  <xs:element name="RestatementofPriorPeriodFinancialStatementsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_RestatementofPriorPeriodFinancialStatementsTable"/>
  <xs:element name="RestatementofPriorPeriodFinancialStatementsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RestatementofPriorPeriodFinancialStatementsLineItems"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_SummaryofSignificantAccountingPoliciesTable"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SummaryofSignificantAccountingPoliciesLineItems"/>
  <xs:element name="InitialPublicOfferingTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_InitialPublicOfferingTextBlock"/>
  <xs:element name="InitialPublicOfferingTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_InitialPublicOfferingTable"/>
  <xs:element name="InitialPublicOfferingLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_InitialPublicOfferingLineItems"/>
  <xs:element name="PrivatePlacementTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PrivatePlacementTextBlock"/>
  <xs:element name="PrivatePlacementTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_PrivatePlacementTable"/>
  <xs:element name="PrivatePlacementLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PrivatePlacementLineItems"/>
  <xs:element name="RelatedPartyTransactionsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_RelatedPartyTransactionsTable"/>
  <xs:element name="RelatedPartyTransactionsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RelatedPartyTransactionsLineItems"/>
  <xs:element name="FairValueMeasurementsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_FairValueMeasurementsTable"/>
  <xs:element name="FairValueMeasurementsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FairValueMeasurementsLineItems"/>
  <xs:element name="CommitmentsandContingenciesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_CommitmentsandContingenciesTable"/>
  <xs:element name="CommitmentsandContingenciesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_CommitmentsandContingenciesLineItems"/>
  <xs:element name="StockholdersEquityTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_StockholdersEquityTable"/>
  <xs:element name="StockholdersEquityLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_StockholdersEquityLineItems"/>
  <xs:element name="IncomeTaxTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_IncomeTaxTable"/>
  <xs:element name="IncomeTaxLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_IncomeTaxLineItems"/>
  <xs:element name="SubsequentEventsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_SubsequentEventsTable"/>
  <xs:element name="SubsequentEventsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SubsequentEventsLineItems"/>
  <xs:element name="AccruedLiabilitiesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_AccruedLiabilitiesTable"/>
  <xs:element name="AccruedLiabilitiesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_AccruedLiabilitiesLineItems"/>
  <xs:element name="CommonStockTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_CommonStockTextBlock"/>
  <xs:element name="AccountingPoliciesbyPolicyPoliciesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_AccountingPoliciesbyPolicyPoliciesTable"/>
  <xs:element name="AccountingPoliciesbyPolicyPoliciesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_AccountingPoliciesbyPolicyPoliciesLineItems"/>
  <xs:element name="EmergingGrowthCompanyStatusPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_EmergingGrowthCompanyStatusPolicyTextBlock"/>
  <xs:element name="RisksAndUncertaintiesPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RisksAndUncertaintiesPolicyTextBlock"/>
  <xs:element name="ReclassificationPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ReclassificationPolicyTextBlock"/>
  <xs:element name="EquityIssuanceCostsPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_EquityIssuanceCostsPolicyTextBlock"/>
  <xs:element name="ConvertibleNotesAndDerivativeLiabilitiesPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ConvertibleNotesAndDerivativeLiabilitiesPolicyTextBlock"/>
  <xs:element name="RecentAccountingPronouncementAdoptedPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RecentAccountingPronouncementAdoptedPolicyTextBlock"/>
  <xs:element name="RecentAccountingPronouncementNotYetAdoptedPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RecentAccountingPronouncementNotYetAdoptedPolicyTextBlock"/>
  <xs:element name="RestrictedStockUnitsPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RestrictedStockUnitsPolicyTextBlock"/>
  <xs:element name="RestatementofPriorPeriodFinancialStatementsTablesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_RestatementofPriorPeriodFinancialStatementsTablesTable"/>
  <xs:element name="RestatementofPriorPeriodFinancialStatementsTablesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RestatementofPriorPeriodFinancialStatementsTablesLineItems"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesTablesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_SummaryofSignificantAccountingPoliciesTablesTable"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesTablesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SummaryofSignificantAccountingPoliciesTablesLineItems"/>
  <xs:element name="ScheduleToDetermineTheFairValueOfTheEmbeddedDerivativeTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ScheduleToDetermineTheFairValueOfTheEmbeddedDerivativeTableTextBlock"/>
  <xs:element name="ScheduleOfShareBasedPaymentAwardStockOptionValuationAssumptionsTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ScheduleOfShareBasedPaymentAwardStockOptionValuationAssumptionsTableTextBlock"/>
  <xs:element name="FairValueMeasurementsTablesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_FairValueMeasurementsTablesTable"/>
  <xs:element name="FairValueMeasurementsTablesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FairValueMeasurementsTablesLineItems"/>
  <xs:element name="IncomeTaxTablesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_IncomeTaxTablesTable"/>
  <xs:element name="IncomeTaxTablesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_IncomeTaxTablesLineItems"/>
  <xs:element name="ScheduleOfRevenueRecognitionPatternTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ScheduleOfRevenueRecognitionPatternTableTextBlock"/>
  <xs:element name="ScheduleOfServiceTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ScheduleOfServiceTableTextBlock"/>
  <xs:element name="AccruedLiabilitiesTablesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_AccruedLiabilitiesTablesTable"/>
  <xs:element name="AccruedLiabilitiesTablesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_AccruedLiabilitiesTablesLineItems"/>
  <xs:element name="ScheduleOfPreferredStockAuthorizedIssuedAndOutstandingTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ScheduleOfPreferredStockAuthorizedIssuedAndOutstandingTableTextBlock"/>
  <xs:element name="ScheduleOfWeightedAverageInCalculatedFairValueOfTheOptionsGrantedToEmployeesTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ScheduleOfWeightedAverageInCalculatedFairValueOfTheOptionsGrantedToEmployeesTableTextBlock"/>
  <xs:element name="ScheduleOrDescriptionOfWeightedAverageDiscountsRateTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ScheduleOrDescriptionOfWeightedAverageDiscountsRateTextBlock"/>
  <xs:element name="ScheduleOfEarningsPerSharesBasicAndDilutedTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ScheduleOfEarningsPerSharesBasicAndDilutedTableTextBlock"/>
  <xs:element name="TotalStockholdersEquity" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_TotalStockholdersEquity"/>
  <xs:element name="BasicAndDilutedWeightedAverageSharesOutstandingCommonStockSubjectToRedemption" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_BasicAndDilutedWeightedAverageSharesOutstandingCommonStockSubjectToRedemption"/>
  <xs:element name="BasicAndDilutedNetIncomelossPerShareCommonStockSubjectToRedemption" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_BasicAndDilutedNetIncomelossPerShareCommonStockSubjectToRedemption"/>
  <xs:element name="IssuanceOfRepresentativeSharesAdditionalPaidinCapital" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_IssuanceOfRepresentativeSharesAdditionalPaidinCapital"/>
  <xs:element name="StockIssuedDuringPeriodValueReclassificationOfOfferingCostsRelatedToPublicShares" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_StockIssuedDuringPeriodValueReclassificationOfOfferingCostsRelatedToPublicShares"/>
  <xs:element name="SubsequentMeasurementOfCommonStockSubjectToRedemptionUnderAgain" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_SubsequentMeasurementOfCommonStockSubjectToRedemptionUnderAgain"/>
  <xs:element name="InitialValueOfCommonStockSubjectToPossibleRedemptions" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_InitialValueOfCommonStockSubjectToPossibleRedemptions"/>
  <xs:element name="ChangeInValueOfCommonStockSubjectToPossibleRedemptions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_ChangeInValueOfCommonStockSubjectToPossibleRedemptions"/>
  <xs:element name="ReclassificationOfOfferingCostsRelatedToPublicShare" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_ReclassificationOfOfferingCostsRelatedToPublicShare"/>
  <xs:element name="SubsequentMeasurementsOfCommonStockSubjectToRedemption" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_SubsequentMeasurementsOfCommonStockSubjectToRedemption"/>
  <xs:element name="SubsequentMeasurementsOfCommonStockSubjectToRedemptioninterestEarnedOnTrustAcco" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_SubsequentMeasurementsOfCommonStockSubjectToRedemptioninterestEarnedOnTrustAcco"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesDetailsScheduleofearningspershareTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_SummaryofSignificantAccountingPoliciesDetailsScheduleofearningspershareTable"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesDetailsScheduleofearningspershareLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SummaryofSignificantAccountingPoliciesDetailsScheduleofearningspershareLineItems"/>
  <xs:element name="AllocationOfNetLossIncludingAccretionOfTemporaryEquity" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_AllocationOfNetLossIncludingAccretionOfTemporaryEquity"/>
  <xs:element name="NumeratorOfAccretionOfTemporaryEquityToRedemptionValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_NumeratorOfAccretionOfTemporaryEquityToRedemptionValue"/>
  <xs:element name="AllocationOfNetIncomeloss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_AllocationOfNetIncomeloss"/>
  <xs:element name="FairValueMeasurementsDetailsScheduleoffairvalueonanonrecurringbasisTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_FairValueMeasurementsDetailsScheduleoffairvalueonanonrecurringbasisTable"/>
  <xs:element name="FairValueMeasurementsDetailsScheduleoffairvalueonanonrecurringbasisLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FairValueMeasurementsDetailsScheduleoffairvalueonanonrecurringbasisLineItems"/>
  <xs:element name="WarrantLiability1" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_WarrantLiability1"/>
  <xs:element name="FairValueMeasurementsDetailsScheduleofchangesinthefairvaluewarrantliabilityTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_FairValueMeasurementsDetailsScheduleofchangesinthefairvaluewarrantliabilityTable"/>
  <xs:element name="FairValueMeasurementsDetailsScheduleofchangesinthefairvaluewarrantliabilityLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FairValueMeasurementsDetailsScheduleofchangesinthefairvaluewarrantliabilityLineItems"/>
  <xs:element name="InitialFairValueOfWarrantLiabilityUponIssuanceAtIPO" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_InitialFairValueOfWarrantLiabilityUponIssuanceAtIPO"/>
  <xs:element name="IncomeTaxDetailsScheduleofnetdeferredtaxassetsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_IncomeTaxDetailsScheduleofnetdeferredtaxassetsTable"/>
  <xs:element name="IncomeTaxDetailsScheduleofnetdeferredtaxassetsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_IncomeTaxDetailsScheduleofnetdeferredtaxassetsLineItems"/>
  <xs:element name="OrganizationalCostsStartupExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_OrganizationalCostsStartupExpenses"/>
  <xs:element name="CapitalizedCostsRelatedToBusinessCombination" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_CapitalizedCostsRelatedToBusinessCombination"/>
  <xs:element name="FederalNetOperatingLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_FederalNetOperatingLoss"/>
  <xs:element name="TotalDeferredTaxAsset" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_TotalDeferredTaxAsset"/>
  <xs:element name="ValuationAllowance" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_ValuationAllowance"/>
  <xs:element name="DeferredTaxAssetNetOfAllowance" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_DeferredTaxAssetNetOfAllowance"/>
  <xs:element name="IncomeTaxDetailsScheduleofincometaxprovisionconsistsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_IncomeTaxDetailsScheduleofincometaxprovisionconsistsTable"/>
  <xs:element name="IncomeTaxDetailsScheduleofincometaxprovisionconsistsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_IncomeTaxDetailsScheduleofincometaxprovisionconsistsLineItems"/>
  <xs:element name="IncomeTaxDetailsScheduleofeffectivetaxrateTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_IncomeTaxDetailsScheduleofeffectivetaxrateTable"/>
  <xs:element name="IncomeTaxDetailsScheduleofeffectivetaxrateLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_IncomeTaxDetailsScheduleofeffectivetaxrateLineItems"/>
  <xs:element name="EstimatedUsefulLivesDecription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_EstimatedUsefulLivesDecription"/>
  <xs:element name="HostedServices" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_HostedServices"/>
  <xs:element name="ProfessionalService" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_ProfessionalService"/>
  <xs:element name="TrafficMonetization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_TrafficMonetization"/>
  <xs:element name="RevenueRecognitionDetailsScheduleofrevenuerecognitionpatternTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_RevenueRecognitionDetailsScheduleofrevenuerecognitionpatternTable"/>
  <xs:element name="RevenueRecognitionDetailsScheduleofrevenuerecognitionpatternLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RevenueRecognitionDetailsScheduleofrevenuerecognitionpatternLineItems"/>
  <xs:element name="RevenueRecognitionDetailsScheduleofServiceTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_RevenueRecognitionDetailsScheduleofServiceTable"/>
  <xs:element name="RevenueRecognitionDetailsScheduleofServiceLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RevenueRecognitionDetailsScheduleofServiceLineItems"/>
  <xs:element name="LiabilityForFuturesPolicyBenefitRemeasurementGainLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_LiabilityForFuturesPolicyBenefitRemeasurementGainLoss"/>
  <xs:element name="ConvertibleNotesandNotePayableDetailsScheduleofthecompanysdebtbalancesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_ConvertibleNotesandNotePayableDetailsScheduleofthecompanysdebtbalancesTable"/>
  <xs:element name="ConvertibleNotesandNotePayableDetailsScheduleofthecompanysdebtbalancesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ConvertibleNotesandNotePayableDetailsScheduleofthecompanysdebtbalancesLineItems"/>
  <xs:element name="UnamortizedLoanDiscounts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_UnamortizedLoanDiscounts"/>
  <xs:element name="UnamortizedDebtIssuanceCostRecordedAsAnAsset" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_UnamortizedDebtIssuanceCostRecordedAsAnAsset"/>
  <xs:element name="FairValueMeasurementsDetailsScheduleofthefairvalueoftheCompanysfinancialinstrumentsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_FairValueMeasurementsDetailsScheduleofthefairvalueoftheCompanysfinancialinstrumentsTable"/>
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  <xs:element name="OperatingLeaseWeightedAverageRemainingLeaseTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_OperatingLeaseWeightedAverageRemainingLeaseTerm"/>
  <xs:element name="OperatingLeaseWeightedAverageDiscountSRatePercent" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_OperatingLeaseWeightedAverageDiscountSRatePercent"/>
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  <xs:element name="PreferredStockShareAuthorized" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_PreferredStockShareAuthorized"/>
  <xs:element name="PreferredStockCarryingValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_PreferredStockCarryingValue"/>
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  <xs:element name="SalesAndMarketing" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_SalesAndMarketing"/>
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  <xs:element name="OperatingLeaseFutureMinimumPaymentsDueInSixYears" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_OperatingLeaseFutureMinimumPaymentsDueInSixYears"/>
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  <xs:element name="LeasesDetailsScheduleofadditionalinformationrelatedtotheCompanysleaseTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_LeasesDetailsScheduleofadditionalinformationrelatedtotheCompanysleaseTable"/>
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  <xs:element name="ProfitsLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_ProfitsLoss"/>
  <xs:element name="StockRedeemedOrCalledDuringPeriodValues" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_StockRedeemedOrCalledDuringPeriodValues"/>
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  <xs:element name="BasicAndDilutedNetLossPerShareinDollarsPerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_BasicAndDilutedNetLossPerShareinDollarsPerShare"/>
  <xs:element name="StockIssuedDuringPeriodValuesStockOptionsExercised" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_StockIssuedDuringPeriodValuesStockOptionsExercised"/>
  <xs:element name="StockIssuedDuringPeriodWarrants" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_StockIssuedDuringPeriodWarrants"/>
  <xs:element name="CommonStockWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_CommonStockWarrants"/>
  <xs:element name="PreferredStockConvertibleShareIssuable" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_PreferredStockConvertibleShareIssuable"/>
  <xs:element name="TotalLiabilitiy" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_TotalLiabilitiy"/>
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  <xs:element name="incomeTaxProvision" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_incomeTaxProvision"/>
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  <xs:element name="DeferredTotal" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_DeferredTotal"/>
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  <xs:element name="StockBasedCompensation" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_StockBasedCompensation"/>
  <xs:element name="NondeductiblePermanentExpens" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_NondeductiblePermanentExpens"/>
  <xs:element name="EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsTotal" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsTotal"/>
  <xs:element name="PropertyAndEquipmentAndIntangibleAsset" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_PropertyAndEquipmentAndIntangibleAsset"/>
  <xs:element name="RelatedPartyTransactionsDetailsScheduleofrelatedpartytransactionsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_RelatedPartyTransactionsDetailsScheduleofrelatedpartytransactionsTable"/>
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  <xs:element name="DeferredRevenues" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_DeferredRevenues"/>
  <xs:element name="BasicAndDilutedNetIncomelossPerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_BasicAndDilutedNetIncomelossPerShare"/>
  <xs:element name="FairValueMeasurementsDetailsScheduleofmeasuredatfairvalueonanonrecurringbasisTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_FairValueMeasurementsDetailsScheduleofmeasuredatfairvalueonanonrecurringbasisTable"/>
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  <xs:element name="RepresentativeShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RepresentativeShares"/>
  <xs:element name="FairValuesNetAssetLiability" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_FairValuesNetAssetLiability"/>
  <xs:element name="Licensing" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_Licensing"/>
  <xs:element name="FairValueMeasurementsDetailsScheduleoffinancialinstrumentsthataremeasuredordisclosedatfairvalueTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_FairValueMeasurementsDetailsScheduleoffinancialinstrumentsthataremeasuredordisclosedatfairvalueTable"/>
  <xs:element name="FairValueMeasurementsDetailsScheduleoffinancialinstrumentsthataremeasuredordisclosedatfairvalueLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FairValueMeasurementsDetailsScheduleoffinancialinstrumentsthataremeasuredordisclosedatfairvalueLineItems"/>
  <xs:element name="FairValueMeasurementsDetailsScheduleofcompanydeterminedthefairvalueoftheSeriesCredeemableconvertiblepreferredstockwarrantsusingtheBlackScholesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_FairValueMeasurementsDetailsScheduleofcompanydeterminedthefairvalueoftheSeriesCredeemableconvertiblepreferredstockwarrantsusingtheBlackScholesTable"/>
  <xs:element name="FairValueMeasurementsDetailsScheduleofcompanydeterminedthefairvalueoftheSeriesCredeemableconvertiblepreferredstockwarrantsusingtheBlackScholesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FairValueMeasurementsDetailsScheduleofcompanydeterminedthefairvalueoftheSeriesCredeemableconvertiblepreferredstockwarrantsusingtheBlackScholesLineItems"/>
  <xs:element name="FairValueMeasurementsDetailsScheduleoffairvalueoftheembeddedderivativeTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_FairValueMeasurementsDetailsScheduleoffairvalueoftheembeddedderivativeTable"/>
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  <xs:element name="FairValueMeasurementsDetailsScheduleofderivativeliabilityandwarrantliabilityTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_FairValueMeasurementsDetailsScheduleofderivativeliabilityandwarrantliabilityTable"/>
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  <xs:element name="StockIncentivePlanDetailsScheduleofstockoptionsoutstandingandexercisableTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_StockIncentivePlanDetailsScheduleofstockoptionsoutstandingandexercisableTable"/>
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  <xs:element name="StockIncentivePlanDetailsScheduleofrestrictedstockactivityTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_StockIncentivePlanDetailsScheduleofrestrictedstockactivityTable"/>
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  <xs:element name="OutstandingRSUsOutstandingBeginningBalance" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_OutstandingRSUsOutstandingBeginningBalance"/>
  <xs:element name="WeightedAverageGrantDateValuePerShareOutstandingBeginningBalance" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_WeightedAverageGrantDateValuePerShareOutstandingBeginningBalance"/>
  <xs:element name="WeightedAverageGrantDateValuePerShareGranted" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_WeightedAverageGrantDateValuePerShareGranted"/>
  <xs:element name="OutstandingRSUsReleased" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_OutstandingRSUsReleased"/>
  <xs:element name="WeightedAverageGrantDateValuePerShareReleased" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_WeightedAverageGrantDateValuePerShareReleased"/>
  <xs:element name="WeightedAverageGrantDateValuePerShareForfeited" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_WeightedAverageGrantDateValuePerShareForfeited"/>
  <xs:element name="OutstandingRSUsOutstandingEndingBalance" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_OutstandingRSUsOutstandingEndingBalance"/>
  <xs:element name="WeightedAverageGrantDateValuePerShareOutstandingEndingBalance" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_WeightedAverageGrantDateValuePerShareOutstandingEndingBalance"/>
  <xs:element name="IncomelossBeforeIncomeTaxes" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_IncomelossBeforeIncomeTaxes"/>
  <xs:element name="TypeOfAgreementDomain" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_TypeOfAgreementDomain"/>
  <xs:element name="OrganizationDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_OrganizationDetailsTable"/>
  <xs:element name="OrganizationDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_OrganizationDetailsLineItems"/>
  <xs:element name="TotalConsideration" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_TotalConsideration"/>
  <xs:element name="PurchaseSharesOfCommonStock" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PurchaseSharesOfCommonStock"/>
  <xs:element name="TotalGrossProceeds" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_TotalGrossProceeds"/>
  <xs:element name="SaleOfStock" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SaleOfStock"/>
  <xs:element name="GeneratingGrossProceeds" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_GeneratingGrossProceeds"/>
  <xs:element name="WarrantsDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_WarrantsDescription"/>
  <xs:element name="TransactionCostsAmounted" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_TransactionCostsAmounted"/>
  <xs:element name="UnderwritingDiscount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_UnderwritingDiscount"/>
  <xs:element name="OtherOfferingCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_OtherOfferingCosts"/>
  <xs:element name="PurchaseOfShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PurchaseOfShares"/>
  <xs:element name="TransactionCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_TransactionCosts"/>
  <xs:element name="SaleOfAdditionalShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SaleOfAdditionalShares"/>
  <xs:element name="MaturityTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_MaturityTerm"/>
  <xs:element name="RedeemptionPercent" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RedeemptionPercent"/>
  <xs:element name="FairMarketValuePercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FairMarketValuePercentage"/>
  <xs:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAsset" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAsset"/>
  <xs:element name="MaturityTermOfProposedPublicOffering" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_MaturityTermOfProposedPublicOffering"/>
  <xs:element name="RedemptionOfOutstandingPublicSubunits" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RedemptionOfOutstandingPublicSubunits"/>
  <xs:element name="BusinessCombinationDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_BusinessCombinationDescription"/>
  <xs:element name="PublicSubunitPricePerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_PublicSubunitPricePerShare"/>
  <xs:element name="WorkingCapitalDeficit" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_WorkingCapitalDeficit"/>
  <xs:element name="PaymentOfSponsor" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_PaymentOfSponsor"/>
  <xs:element name="TrustAccountAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_TrustAccountAmount"/>
  <xs:element name="OperatingBusinessTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_OperatingBusinessTerm"/>
  <xs:element name="NetLossOfOrganization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_NetLossOfOrganization"/>
  <xs:element name="RetainedEarningAccumulatedDeficit" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_RetainedEarningAccumulatedDeficit"/>
  <xs:element name="CashAndCashEquivalentsOnHand" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_CashAndCashEquivalentsOnHand"/>
  <xs:element name="GrossProceed" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_GrossProceed"/>
  <xs:element name="CashUnderwritingFees" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_CashUnderwritingFees"/>
  <xs:element name="RemainingBalance" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_RemainingBalance"/>
  <xs:element name="PurchasedAggregateShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_PurchasedAggregateShares"/>
  <xs:element name="PurchasePricePerShares" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_PurchasePricePerShares"/>
  <xs:element name="AggregatePaidAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_AggregatePaidAmount"/>
  <xs:element name="ApproximatelyAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_ApproximatelyAmount"/>
  <xs:element name="OutstandingPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_OutstandingPercentage"/>
  <xs:element name="ReceivedAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_ReceivedAmount"/>
  <xs:element name="PIPEProceedsAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_PIPEProceedsAmount"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_SummaryofSignificantAccountingPoliciesDetailsTable"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SummaryofSignificantAccountingPoliciesDetailsLineItems"/>
  <xs:element name="PercentageOfPublicShares" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PercentageOfPublicShares"/>
  <xs:element name="PercentageOfFounderNonredeemableShares" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PercentageOfFounderNonredeemableShares"/>
  <xs:element name="FounderShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FounderShares"/>
  <xs:element name="DeferredOfferingCost" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_DeferredOfferingCost"/>
  <xs:element name="UnderwritingDiscounts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_UnderwritingDiscounts"/>
  <xs:element name="PartnersCapitalAccountUnitSoldInPublicOffering" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PartnersCapitalAccountUnitSoldInPublicOffering"/>
  <xs:element name="SaleLeasebackTransactionGrossProceedFinancingActivities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_SaleLeasebackTransactionGrossProceedFinancingActivities"/>
  <xs:element name="IncurredAdditionalTransactionCostsInUnderwritingDiscount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_IncurredAdditionalTransactionCostsInUnderwritingDiscount"/>
  <xs:element name="NumberOfCustomer" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_NumberOfCustomer"/>
  <xs:element name="ConcentrationRiskPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ConcentrationRiskPercentage"/>
  <xs:element name="OperatingLease" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_OperatingLease"/>
  <xs:element name="DeferredRents" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_DeferredRents"/>
  <xs:element name="OfferingCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_OfferingCosts"/>
  <xs:element name="OptionToPurchase" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_OptionToPurchase"/>
  <xs:element name="InitialPublicOfferingDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_InitialPublicOfferingDetailsTable"/>
  <xs:element name="InitialPublicOfferingDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_InitialPublicOfferingDetailsLineItems"/>
  <xs:element name="WarrantsPricePerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_WarrantsPricePerShare"/>
  <xs:element name="PurchasePricePerPublicUnit" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PurchasePricePerPublicUnit"/>
  <xs:element name="SharePricePerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_SharePricePerShare"/>
  <xs:element name="WarrantPurchasePrice" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_WarrantPurchasePrice"/>
  <xs:element name="PrivatePlacementDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_PrivatePlacementDetailsTable"/>
  <xs:element name="PrivatePlacementDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PrivatePlacementDetailsLineItems"/>
  <xs:element name="PurchasedAggregateSharesOfPrivateUnits" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PurchasedAggregateSharesOfPrivateUnits"/>
  <xs:element name="PurchasePricePerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_PurchasePricePerShare"/>
  <xs:element name="PurchaseOfAdditionalPrivateUnits" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PurchaseOfAdditionalPrivateUnits"/>
  <xs:element name="AdditionalSharesOfPrivateUnits" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_AdditionalSharesOfPrivateUnits"/>
  <xs:element name="RelatedPartyTransactionsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_RelatedPartyTransactionsDetailsTable"/>
  <xs:element name="RelatedPartyTransactionsDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RelatedPartyTransactionsDetailsLineItems"/>
  <xs:element name="SponsorPricePerShare" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_SponsorPricePerShare"/>
  <xs:element name="AggregateOfFounderSharesOutstanding" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_AggregateOfFounderSharesOutstanding"/>
  <xs:element name="ForfeitedOfFounderShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ForfeitedOfFounderShares"/>
  <xs:element name="FounderSharesDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FounderSharesDescription"/>
  <xs:element name="PromissoryNote" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_PromissoryNote"/>
  <xs:element name="SecretarialServicesFee" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_SecretarialServicesFee"/>
  <xs:element name="AdministrativeServiceFee" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_AdministrativeServiceFee"/>
  <xs:element name="CompanyRecorded" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_CompanyRecorded"/>
  <xs:element name="FairValueMeasurementsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_FairValueMeasurementsDetailsTable"/>
  <xs:element name="FairValueMeasurementsDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FairValueMeasurementsDetailsLineItems"/>
  <xs:element name="IntrinsicValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_IntrinsicValue"/>
  <xs:element name="CommonStockWarrantsDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_CommonStockWarrantsDescription"/>
  <xs:element name="IncreasedProbabilityPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_IncreasedProbabilityPercentage"/>
  <xs:element name="CommitmentsandContingenciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_CommitmentsandContingenciesDetailsTable"/>
  <xs:element name="CommitmentsandContingenciesDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_CommitmentsandContingenciesDetailsLineItems"/>
  <xs:element name="ProposedPublicOfferingPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ProposedPublicOfferingPeriod"/>
  <xs:element name="PercentageOfEscrowAccount" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PercentageOfEscrowAccount"/>
  <xs:element name="SharesPrice" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SharesPrice"/>
  <xs:element name="FairValueOfRepresentativeShares" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_FairValueOfRepresentativeShares"/>
  <xs:element name="ExcessStocksSharesIssued" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ExcessStocksSharesIssued"/>
  <xs:element name="BusinessCombinationLegalServicesAgreement" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_BusinessCombinationLegalServicesAgreement"/>
  <xs:element name="consultingFeesPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_consultingFeesPercentage"/>
  <xs:element name="TrustAccountPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_TrustAccountPercentage"/>
  <xs:element name="LetterOfCreditTangibleNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_LetterOfCreditTangibleNet"/>
  <xs:element name="MarketCapitalization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_MarketCapitalization"/>
  <xs:element name="LetterOfCreditReduced" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_LetterOfCreditReduced"/>
  <xs:element name="EnterpriseValuePercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_EnterpriseValuePercentage"/>
  <xs:element name="StockholdersEquityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_StockholdersEquityDetailsTable"/>
  <xs:element name="StockholdersEquityDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_StockholdersEquityDetailsLineItems"/>
  <xs:element name="PreferredStockIssuedOrOutstanding" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PreferredStockIssuedOrOutstanding"/>
  <xs:element name="ShareOfCommonStockSubjectToPossibleRedemption" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_ShareOfCommonStockSubjectToPossibleRedemption"/>
  <xs:element name="ClassOfWarrantDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ClassOfWarrantDescription"/>
  <xs:element name="IncomeTaxDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_IncomeTaxDetailsTable"/>
  <xs:element name="IncomeTaxDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_IncomeTaxDetailsLineItems"/>
  <xs:element name="ValuationAllowances" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_ValuationAllowances"/>
  <xs:element name="IncomeTaxProvisionsDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_IncomeTaxProvisionsDescription"/>
  <xs:element name="OperatingLossCreditsDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_OperatingLossCreditsDescription"/>
  <xs:element name="SubsequentEventsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_SubsequentEventsDetailsTable"/>
  <xs:element name="SubsequentEventsDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SubsequentEventsDetailsLineItems"/>
  <xs:element name="IncreaseGrossProceeds" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_IncreaseGrossProceeds"/>
  <xs:element name="AgreedToSellCommonStock" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_AgreedToSellCommonStock"/>
  <xs:element name="GrossProceeds" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_GrossProceeds"/>
  <xs:element name="InstallmentsAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_InstallmentsAmount"/>
  <xs:element name="TrustAccount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_TrustAccount"/>
  <xs:element name="RevenueRecognitionDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_RevenueRecognitionDetailsTable"/>
  <xs:element name="RevenueRecognitionDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RevenueRecognitionDetailsLineItems"/>
  <xs:element name="ContractTermsOfHostedServicesRange" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ContractTermsOfHostedServicesRange"/>
  <xs:element name="MajorityOfRevenue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_MajorityOfRevenue"/>
  <xs:element name="PrepaidExpensesAndOthersCurrentAsset" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_PrepaidExpensesAndOthersCurrentAsset"/>
  <xs:element name="RelatedToCustomerContractsUnsatisfiedAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_RelatedToCustomerContractsUnsatisfiedAmount"/>
  <xs:element name="RevenueRecognizedTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RevenueRecognizedTerm"/>
  <xs:element name="ContractualTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ContractualTerm"/>
  <xs:element name="ShortTermPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ShortTermPeriod"/>
  <xs:element name="PropertyandEquipmentNetDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_PropertyandEquipmentNetDetailsTable"/>
  <xs:element name="PropertyandEquipmentNetDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PropertyandEquipmentNetDetailsLineItems"/>
  <xs:element name="WarrantsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_WarrantsDetailsTable"/>
  <xs:element name="WarrantsDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_WarrantsDetailsLineItems"/>
  <xs:element name="WarrantTermDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_WarrantTermDescription"/>
  <xs:element name="ConvertibleNotesandNotePayableDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_ConvertibleNotesandNotePayableDetailsTable"/>
  <xs:element name="ConvertibleNotesandNotePayableDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ConvertibleNotesandNotePayableDetailsLineItems"/>
  <xs:element name="CashProceeds" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_CashProceeds"/>
  <xs:element name="AnnualInterestRate" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_AnnualInterestRate"/>
  <xs:element name="LongtermDebtContingentPaymentOfPrincipalPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_LongtermDebtContingentPaymentOfPrincipalPercentage"/>
  <xs:element name="InterestofExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_InterestofExpenses"/>
  <xs:element name="TotalCashProceeds" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_TotalCashProceeds"/>
  <xs:element name="UnpaidInterest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_UnpaidInterest"/>
  <xs:element name="NetLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_NetLoss"/>
  <xs:element name="IssuanceOfWarrantsToPurchase" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_IssuanceOfWarrantsToPurchase"/>
  <xs:element name="FinalPaymentProvision" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_FinalPaymentProvision"/>
  <xs:element name="PercentageOfInterestRateOnPayments" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_PercentageOfInterestRateOnPayments"/>
  <xs:element name="FinalPaymentProvisionPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FinalPaymentProvisionPercentage"/>
  <xs:element name="ConvertibleNotesSharesPurchase" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ConvertibleNotesSharesPurchase"/>
  <xs:element name="DebtInstrumentFairValues" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_DebtInstrumentFairValues"/>
  <xs:element name="InterestRateInPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_InterestRateInPercentage"/>
  <xs:element name="IncurredAndPaidStatedInterestAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_IncurredAndPaidStatedInterestAmount"/>
  <xs:element name="PrimeRate" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PrimeRate"/>
  <xs:element name="PreferredStockDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_PreferredStockDetailsTable"/>
  <xs:element name="PreferredStockDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PreferredStockDetailsLineItems"/>
  <xs:element name="IssuedShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_IssuedShares"/>
  <xs:element name="DeemedDividend" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_DeemedDividend"/>
  <xs:element name="IssuanceOfShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_IssuanceOfShares"/>
  <xs:element name="PreferredStockExercise" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_PreferredStockExercise"/>
  <xs:element name="PreferredStockConversionDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PreferredStockConversionDescription"/>
  <xs:element name="PreferenceStockPricePerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_PreferenceStockPricePerShare"/>
  <xs:element name="StockIncentivePlanDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_StockIncentivePlanDetailsTable"/>
  <xs:element name="StockIncentivePlanDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_StockIncentivePlanDetailsLineItems"/>
  <xs:element name="AggregateOfCommonStock" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_AggregateOfCommonStock"/>
  <xs:element name="LeaseAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="soun_LeaseAxis"/>
  <xs:element name="TypeOfAgreementAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="soun_TypeOfAgreementAxis"/>
  <xs:element name="ArchimedesTechSpacPartnersCoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ArchimedesTechSpacPartnersCoMember"/>
  <xs:element name="AsAdjustedMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_AsAdjustedMember"/>
  <xs:element name="AverageIntrinsicValueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_AverageIntrinsicValueMember"/>
  <xs:element name="BusinessCombinationLegalServicesAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_BusinessCombinationLegalServicesAgreementMember"/>
  <xs:element name="BusinessCombinationMarketingAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_BusinessCombinationMarketingAgreementMember"/>
  <xs:element name="BusinessCombinationMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_BusinessCombinationMember"/>
  <xs:element name="CFCOMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_CFCOMember"/>
  <xs:element name="CommonStockWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_CommonStockWarrantsMember"/>
  <xs:element name="ConsultingAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ConsultingAgreementMember"/>
  <xs:element name="ContractBalancesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ContractBalancesMember"/>
  <xs:element name="DeferredRevenueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_DeferredRevenueMember"/>
  <xs:element name="DerivativeLiabilityMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_DerivativeLiabilityMember"/>
  <xs:element name="DrJuliaMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_DrJuliaMember"/>
  <xs:element name="EarlyBirdCapitalMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_EarlyBirdCapitalMember"/>
  <xs:element name="ExchangeAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ExchangeAgreementMember"/>
  <xs:element name="ExercisePriceEightMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ExercisePriceEightMember"/>
  <xs:element name="ExercisePriceElevenMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ExercisePriceElevenMember"/>
  <xs:element name="ExercisePriceNineMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ExercisePriceNineMember"/>
  <xs:element name="ExercisePriceSevenMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ExercisePriceSevenMember"/>
  <xs:element name="ExercisePriceTenMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ExercisePriceTenMember"/>
  <xs:element name="FederalMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FederalMember"/>
  <xs:element name="FinanceLeaseMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FinanceLeaseMember"/>
  <xs:element name="FounderSharesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FounderSharesMember"/>
  <xs:element name="IBCAPMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_IBCAPMember"/>
  <xs:element name="IncomeTaxesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_IncomeTaxesMember"/>
  <xs:element name="InternationalMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_InternationalMember"/>
  <xs:element name="InternationalsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_InternationalsMember"/>
  <xs:element name="March2021NotePayableMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_March2021NotePayableMember"/>
  <xs:element name="MergerAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_MergerAgreementMember"/>
  <xs:element name="MonetizationMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_MonetizationMember"/>
  <xs:element name="NonredeemableMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_NonredeemableMember"/>
  <xs:element name="OperatingLeaseMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_OperatingLeaseMember"/>
  <xs:element name="OperatingLeasesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_OperatingLeasesMember"/>
  <xs:element name="OptionsExercisableMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_OptionsExercisableMember"/>
  <xs:element name="OptionsOutstandingMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_OptionsOutstandingMember"/>
  <xs:element name="OtherLocationMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_OtherLocationMember"/>
  <xs:element name="OutstandingRSUsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_OutstandingRSUsMember"/>
  <xs:element name="OutstandingStockOptionsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_OutstandingStockOptionsMember"/>
  <xs:element name="ProbabilityOfIPOMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ProbabilityOfIPOMember"/>
  <xs:element name="ProbabilityOfNextEquityFinancingMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ProbabilityOfNextEquityFinancingMember"/>
  <xs:element name="ProbabilityOfSPACPIPEMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ProbabilityOfSPACPIPEMember"/>
  <xs:element name="ProductRoyaltiesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ProductRoyaltiesMember"/>
  <xs:element name="RedeemableConvertiblePreferredStockOneMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RedeemableConvertiblePreferredStockOneMember"/>
  <xs:element name="RedeemableMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RedeemableMember"/>
  <xs:element name="RepresentativeSharesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RepresentativeSharesMember"/>
  <xs:element name="RevenueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RevenueMember"/>
  <xs:element name="SCIJune2021NoteCommonStockWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SCIJune2021NoteCommonStockWarrantsMember"/>
  <xs:element name="SCIJune2021NoteMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SCIJune2021NoteMember"/>
  <xs:element name="SNAPJune2020NoteMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SNAPJune2020NoteMember"/>
  <xs:element name="SVBMarch2021NoteCommonStockWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SVBMarch2021NoteCommonStockWarrantsMember"/>
  <xs:element name="SVBMarch2021NoteMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SVBMarch2021NoteMember"/>
  <xs:element name="SeriesBWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SeriesBWarrantsMember"/>
  <xs:element name="SeriesC1PreferredStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SeriesC1PreferredStockMember"/>
  <xs:element name="SeriesCRedeemableConvertiblePreferredStockWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SeriesCRedeemableConvertiblePreferredStockWarrantsMember"/>
  <xs:element name="SeriesCWarrantsApril2013Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SeriesCWarrantsApril2013Member"/>
  <xs:element name="SeriesCWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SeriesCWarrantsMember"/>
  <xs:element name="SeriesCWarrantsNovember2013Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SeriesCWarrantsNovember2013Member"/>
  <xs:element name="SeriesD1PreferredStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SeriesD1PreferredStockMember"/>
  <xs:element name="SeriesD2PreferredStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SeriesD2PreferredStockMember"/>
  <xs:element name="SeriesD3APreferredStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SeriesD3APreferredStockMember"/>
  <xs:element name="SeriesD3ARedeemableConvertiblePreferredStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SeriesD3ARedeemableConvertiblePreferredStockMember"/>
  <xs:element name="SeriesD3PreferredStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SeriesD3PreferredStockMember"/>
  <xs:element name="ServiceSubscriptionsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ServiceSubscriptionsMember"/>
  <xs:element name="SharesAvailableForGrantMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SharesAvailableForGrantMember"/>
  <xs:element name="SoftwareMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SoftwareMember"/>
  <xs:element name="SoundHoundIncMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SoundHoundIncMember"/>
  <xs:element name="SoundHoundMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SoundHoundMember"/>
  <xs:element name="SponsorMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SponsorMember"/>
  <xs:element name="StateMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_StateMember"/>
  <xs:element name="TwoThousendSixteenEquityIncentivePlanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_TwoThousendSixteenEquityIncentivePlanMember"/>
  <xs:element name="UnderwritersAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_UnderwritersAgreementMember"/>
  <xs:element name="WarrantLiabilityMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_WarrantLiabilityMember"/>
  <xs:element name="WedbushMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_WedbushMember"/>
  <xs:element name="WeightedAverageExercisePricePerShareMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_WeightedAverageExercisePricePerShareMember"/>
  <xs:element name="WeightedAverageGrantDateValuePerShareMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_WeightedAverageGrantDateValuePerShareMember"/>
  <xs:element name="WeightedAverageRemainingContractualTermYearsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_WeightedAverageRemainingContractualTermYearsMember"/>
  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_DocumentAndEntityInformationAbstract"/>
</xs:schema>
