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        <link:definition>039 - Disclosure - Organization (Details)</link:definition>
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        <link:definition>049 - Disclosure - Commitments and Contingencies (Details)</link:definition>
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  <xs:element name="AssetsAbstract0" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_AssetsAbstract0"/>
  <xs:element name="LiabilitiesAbstract0" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_LiabilitiesAbstract0"/>
  <xs:element name="FinancingLeaseCostAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FinancingLeaseCostAbstract"/>
  <xs:element name="OtherExpenseNetAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_OtherExpenseNetAbstract"/>
  <xs:element name="NumeratorAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_NumeratorAbstract"/>
  <xs:element name="DenominatorAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_DenominatorAbstract"/>
  <xs:element name="EarningPerShareBasicAndDiluted" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_EarningPerShareBasicAndDiluted"/>
  <xs:element name="WeightedAverageNumberOfSharesOutstandingBasicAndDiluted" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_WeightedAverageNumberOfSharesOutstandingBasicAndDiluted"/>
  <xs:element name="PurchasesOfPropertyAndEquipment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_PurchasesOfPropertyAndEquipment"/>
  <xs:element name="CurrentPortionOfRestrictedCashEquivalents" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_CurrentPortionOfRestrictedCashEquivalents"/>
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  <xs:element name="TotalCashCashEquivalentsAndRestrictedCashEquivalentsShownInTheCondensedConsolidate" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_TotalCashCashEquivalentsAndRestrictedCashEquivalentsShownInTheCondensedConsolidate"/>
  <xs:element name="OperatingLeaseLiabilitiesAndRightofuseAssetsThroughAdoptionOfASC842" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_OperatingLeaseLiabilitiesAndRightofuseAssetsThroughAdoptionOfASC842"/>
  <xs:element name="OperatingLeaseLiabilitiesArisingFromObtainingRightofuseAssets" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_OperatingLeaseLiabilitiesArisingFromObtainingRightofuseAssets"/>
  <xs:element name="PropertyAndEquipmentAcquiredUnderCapitalLeasesOrDebt" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_PropertyAndEquipmentAcquiredUnderCapitalLeasesOrDebt"/>
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  <xs:element name="AccruedLiabilitiesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_AccruedLiabilitiesLineItems"/>
  <xs:element name="PreferredStockTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_PreferredStockTable"/>
  <xs:element name="PreferredStockLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PreferredStockLineItems"/>
  <xs:element name="CommonStockTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_CommonStockTextBlock"/>
  <xs:element name="LeasesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_LeasesTable"/>
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  <xs:element name="EmergingGrowthCompanyStatusPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_EmergingGrowthCompanyStatusPolicyTextBlock"/>
  <xs:element name="EquityIssuanceCostsPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_EquityIssuanceCostsPolicyTextBlock"/>
  <xs:element name="RestrictedStockUnitsPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RestrictedStockUnitsPolicyTextBlock"/>
  <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="ScheduleOfRevenueRecognitionPatternTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ScheduleOfRevenueRecognitionPatternTableTextBlock"/>
  <xs:element name="ScheduleOfRevenueByServiceTypeTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ScheduleOfRevenueByServiceTypeTableTextBlock"/>
  <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="ScheduleOfUnamortizedDebtDiscountAndFairValueTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ScheduleOfUnamortizedDebtDiscountAndFairValueTableTextBlock"/>
  <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="ScheduleOfChangesInFairValueOfDerivativeLiabilityTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ScheduleOfChangesInFairValueOfDerivativeLiabilityTableTextBlock"/>
  <xs:element name="ScheduleOfPreferredStockAuthorizedIssuedAndOutstandingTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ScheduleOfPreferredStockAuthorizedIssuedAndOutstandingTableTextBlock"/>
  <xs:element name="PreferredStockTablesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_PreferredStockTablesTable"/>
  <xs:element name="PreferredStockTablesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PreferredStockTablesLineItems"/>
  <xs:element name="ScheduleOfStockOptionsOutstandingAndExercisableTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ScheduleOfStockOptionsOutstandingAndExercisableTableTextBlock"/>
  <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="LeasesTablesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_LeasesTablesTable"/>
  <xs:element name="LeasesTablesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_LeasesTablesLineItems"/>
  <xs:element name="ScheduleOfEarningsPerSharesBasicAndDilutedTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ScheduleOfEarningsPerSharesBasicAndDilutedTableTextBlock"/>
  <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="RevenueRecognitionDetailsScheduleofrevenuebyservicetypeTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_RevenueRecognitionDetailsScheduleofrevenuebyservicetypeTable"/>
  <xs:element name="RevenueRecognitionDetailsScheduleofrevenuebyservicetypeLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RevenueRecognitionDetailsScheduleofrevenuebyservicetypeLineItems"/>
  <xs:element name="ConvertibleNotesandNotePayableDetailsScheduleofunamortizeddebtdiscountandfairvalueTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_ConvertibleNotesandNotePayableDetailsScheduleofunamortizeddebtdiscountandfairvalueTable"/>
  <xs:element name="ConvertibleNotesandNotePayableDetailsScheduleofunamortizeddebtdiscountandfairvalueLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ConvertibleNotesandNotePayableDetailsScheduleofunamortizeddebtdiscountandfairvalueLineItems"/>
  <xs:element name="InterestPayableSNAP" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_InterestPayableSNAP"/>
  <xs:element name="ConvertibleNotesandNotePayableDetailsScheduleofcompanysdebtbalancesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_ConvertibleNotesandNotePayableDetailsScheduleofcompanysdebtbalancesTable"/>
  <xs:element name="ConvertibleNotesandNotePayableDetailsScheduleofcompanysdebtbalancesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ConvertibleNotesandNotePayableDetailsScheduleofcompanysdebtbalancesLineItems"/>
  <xs:element name="NotesPayableCurrentPortion" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_NotesPayableCurrentPortion"/>
  <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="ConvertibleNoteTotal" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_ConvertibleNoteTotal"/>
  <xs:element name="CarryingValueConvertibleDebt" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_CarryingValueConvertibleDebt"/>
  <xs:element name="ConvertibleNotesCurrentPortion" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_ConvertibleNotesCurrentPortion"/>
  <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"/>
  <xs:element name="FairValueMeasurementsDetailsScheduleofthefairvalueoftheCompanysfinancialinstrumentsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FairValueMeasurementsDetailsScheduleofthefairvalueoftheCompanysfinancialinstrumentsLineItems"/>
  <xs:element name="FairValueMeasurementsDetailsScheduleofcompanydeterminedthefairvalueoftheSeriesCredeemableconvertiblepreferredstockwarrantsusingtheBlackScholesMertonoptionpricingmodelTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_FairValueMeasurementsDetailsScheduleofcompanydeterminedthefairvalueoftheSeriesCredeemableconvertiblepreferredstockwarrantsusingtheBlackScholesMertonoptionpricingmodelTable"/>
  <xs:element name="FairValueMeasurementsDetailsScheduleofcompanydeterminedthefairvalueoftheSeriesCredeemableconvertiblepreferredstockwarrantsusingtheBlackScholesMertonoptionpricingmodelLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FairValueMeasurementsDetailsScheduleofcompanydeterminedthefairvalueoftheSeriesCredeemableconvertiblepreferredstockwarrantsusingtheBlackScholesMertonoptionpricingmodelLineItems"/>
  <xs:element name="FairValueMeasurementsDetailsScheduletodeterminethefairvalueoftheembeddedderivativeTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_FairValueMeasurementsDetailsScheduletodeterminethefairvalueoftheembeddedderivativeTable"/>
  <xs:element name="FairValueMeasurementsDetailsScheduletodeterminethefairvalueoftheembeddedderivativeLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FairValueMeasurementsDetailsScheduletodeterminethefairvalueoftheembeddedderivativeLineItems"/>
  <xs:element name="DerivativeLiabilityMeasurementInputPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_DerivativeLiabilityMeasurementInputPercentage"/>
  <xs:element name="DerivativeLiabilityMeasurementInputPricePerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_DerivativeLiabilityMeasurementInputPricePerShare"/>
  <xs:element name="DerivativeLiabilityMeasurementInputDiscountRate" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_DerivativeLiabilityMeasurementInputDiscountRate"/>
  <xs:element name="FairValueMeasurementsDetailsScheduleofchangesinfairvalueoftheCompanysderivativeliabilityTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_FairValueMeasurementsDetailsScheduleofchangesinfairvalueoftheCompanysderivativeliabilityTable"/>
  <xs:element name="FairValueMeasurementsDetailsScheduleofchangesinfairvalueoftheCompanysderivativeliabilityLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FairValueMeasurementsDetailsScheduleofchangesinfairvalueoftheCompanysderivativeliabilityLineItems"/>
  <xs:element name="PreferredStockDetailsScheduleofpreferredstockauthorizedissuedandoutstandingTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_PreferredStockDetailsScheduleofpreferredstockauthorizedissuedandoutstandingTable"/>
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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="LiquidationPreference" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_LiquidationPreference"/>
  <xs:element name="PreferredStockCarryingValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_PreferredStockCarryingValue"/>
  <xs:element name="PreferredStockShareIssued" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_PreferredStockShareIssued"/>
  <xs:element name="CommonStockDetailsScheduleofcompanyhasreservedsharesofcommonstockforfutureissuanceTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_CommonStockDetailsScheduleofcompanyhasreservedsharesofcommonstockforfutureissuanceTable"/>
  <xs:element name="CommonStockDetailsScheduleofcompanyhasreservedsharesofcommonstockforfutureissuanceLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_CommonStockDetailsScheduleofcompanyhasreservedsharesofcommonstockforfutureissuanceLineItems"/>
  <xs:element name="RestrictedStockUnitOutstanding" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_RestrictedStockUnitOutstanding"/>
  <xs:element name="StockIncentivePlanSharesReservedForFutureIssuance" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_StockIncentivePlanSharesReservedForFutureIssuance"/>
  <xs:element name="StockIncentivePlanDetailsScheduleofstockoptionactivityTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_StockIncentivePlanDetailsScheduleofstockoptionactivityTable"/>
  <xs:element name="StockIncentivePlanDetailsScheduleofstockoptionactivityLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_StockIncentivePlanDetailsScheduleofstockoptionactivityLineItems"/>
  <xs:element name="ShareBasedCompensationOptionActivityOutstanding" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_ShareBasedCompensationOptionActivityOutstanding"/>
  <xs:element name="NumberOfOutstandingStockOptionsOutstanding" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_NumberOfOutstandingStockOptionsOutstanding"/>
  <xs:element name="AverageIntrinsicValueOutstanding" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_AverageIntrinsicValueOutstanding"/>
  <xs:element name="ShareBasedCompensationOptionActivityAuthorized" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ShareBasedCompensationOptionActivityAuthorized"/>
  <xs:element name="OutstandingStockOptionsAuthorized" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_OutstandingStockOptionsAuthorized"/>
  <xs:element name="WeightedAverageExercisePricePerShareAuthorized" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_WeightedAverageExercisePricePerShareAuthorized"/>
  <xs:element name="AverageIntrinsicValueAuthorized" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_AverageIntrinsicValueAuthorized"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantInPeriodGross" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantInPeriodGross"/>
  <xs:element name="AverageIntrinsicValueGranted" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_AverageIntrinsicValueGranted"/>
  <xs:element name="AverageIntrinsicValueAwardsForfeitedOrCancelled" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_AverageIntrinsicValueAwardsForfeitedOrCancelled"/>
  <xs:element name="WeightedAverageRemainingContractualTermYearsOutstanding" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_WeightedAverageRemainingContractualTermYearsOutstanding"/>
  <xs:element name="ShareBasedCompensationRestrictedStockUnitsGranted" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ShareBasedCompensationRestrictedStockUnitsGranted"/>
  <xs:element name="AggregateIntrinsicValueExercised" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_AggregateIntrinsicValueExercised"/>
  <xs:element name="OutstandingStockOptionsExercisable" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="soun_OutstandingStockOptionsExercisable"/>
  <xs:element name="WeightedAverageRemainingContractualTermYearsOptionsExercisable" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_WeightedAverageRemainingContractualTermYearsOptionsExercisable"/>
  <xs:element name="StockIncentivePlanDetailsScheduleofrestrictedstockactivityTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_StockIncentivePlanDetailsScheduleofrestrictedstockactivityTable"/>
  <xs:element name="StockIncentivePlanDetailsScheduleofrestrictedstockactivityLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_StockIncentivePlanDetailsScheduleofrestrictedstockactivityLineItems"/>
  <xs:element name="StockIncentivePlanDetailsScheduleofstockoptionsoutstandingandexercisableTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_StockIncentivePlanDetailsScheduleofstockoptionsoutstandingandexercisableTable"/>
  <xs:element name="StockIncentivePlanDetailsScheduleofstockoptionsoutstandingandexercisableLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_StockIncentivePlanDetailsScheduleofstockoptionsoutstandingandexercisableLineItems"/>
  <xs:element name="StockIncentivePlanDetailsScheduleofweightedaveragecalculatedfairvalueoftheoptionsgrantedtoemployeesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_StockIncentivePlanDetailsScheduleofweightedaveragecalculatedfairvalueoftheoptionsgrantedtoemployeesTable"/>
  <xs:element name="StockIncentivePlanDetailsScheduleofweightedaveragecalculatedfairvalueoftheoptionsgrantedtoemployeesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_StockIncentivePlanDetailsScheduleofweightedaveragecalculatedfairvalueoftheoptionsgrantedtoemployeesLineItems"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValue" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValue"/>
  <xs:element name="ResearchAndDevelopment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_ResearchAndDevelopment"/>
  <xs:element name="SalesAndMarketing" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="soun_SalesAndMarketing"/>
  <xs:element name="LeaseDomain" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_LeaseDomain"/>
  <xs:element name="LeasesDetailsScheduleofaggregatenoncancelablefutureminimumleasepaymentsunderoperatingandfinanceleasesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_LeasesDetailsScheduleofaggregatenoncancelablefutureminimumleasepaymentsunderoperatingandfinanceleasesTable"/>
  <xs:element name="LeasesDetailsScheduleofaggregatenoncancelablefutureminimumleasepaymentsunderoperatingandfinanceleasesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_LeasesDetailsScheduleofaggregatenoncancelablefutureminimumleasepaymentsunderoperatingandfinanceleasesLineItems"/>
  <xs:element name="ImputedInterest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_ImputedInterest"/>
  <xs:element name="LeasesDetailsScheduleofadditionalinformationrelatedtothecompanysleasebalancesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_LeasesDetailsScheduleofadditionalinformationrelatedtothecompanysleasebalancesTable"/>
  <xs:element name="LeasesDetailsScheduleofadditionalinformationrelatedtothecompanysleasebalancesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_LeasesDetailsScheduleofadditionalinformationrelatedtothecompanysleasebalancesLineItems"/>
  <xs:element name="LeasesDetailsScheduleofweightedaverageremainingleasetermandtheweightedaveragediscountrateTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_LeasesDetailsScheduleofweightedaverageremainingleasetermandtheweightedaveragediscountrateTable"/>
  <xs:element name="LeasesDetailsScheduleofweightedaverageremainingleasetermandtheweightedaveragediscountrateLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_LeasesDetailsScheduleofweightedaverageremainingleasetermandtheweightedaveragediscountrateLineItems"/>
  <xs:element name="BasicAndDilutedNetLossPerShareinDollarsPerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_BasicAndDilutedNetLossPerShareinDollarsPerShare"/>
  <xs:element name="StockIssuedDuringPeriodWarrants" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_StockIssuedDuringPeriodWarrants"/>
  <xs:element name="RelatedPartyTransactionsDetailsScheduleofrelatedpartytransactionsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="soun_RelatedPartyTransactionsDetailsScheduleofrelatedpartytransactionsTable"/>
  <xs:element name="RelatedPartyTransactionsDetailsScheduleofrelatedpartytransactionsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RelatedPartyTransactionsDetailsScheduleofrelatedpartytransactionsLineItems"/>
  <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="OperatingCashFlowsNetLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_OperatingCashFlowsNetLoss"/>
  <xs:element name="AccumulatedDeficit" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_AccumulatedDeficit"/>
  <xs:element name="NetProceedsReceived" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_NetProceedsReceived"/>
  <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="NumberOfCustomer" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_NumberOfCustomer"/>
  <xs:element name="ConcentrationRiskThresholdPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ConcentrationRiskThresholdPercentage"/>
  <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="PerformanceObligationControlOfTheServiceWasTransferredToTheCustomer" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_PerformanceObligationControlOfTheServiceWasTransferredToTheCustomer"/>
  <xs:element name="RevenueRemainingPerformanceObligationToBeRecognizedWithinOneYearAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_RevenueRemainingPerformanceObligationToBeRecognizedWithinOneYearAmount"/>
  <xs:element name="RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionWithin1Year" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionWithin1Year"/>
  <xs:element name="RevenueRemainingPerformanceObligationToBeRecognizedBetweenTwoToFiveYearsAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_RevenueRemainingPerformanceObligationToBeRecognizedBetweenTwoToFiveYearsAmount"/>
  <xs:element name="RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionBetween2To5YearsMinimumYearWithinTheRange" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionBetween2To5YearsMinimumYearWithinTheRange"/>
  <xs:element name="RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionBetween2To5YearsMaximumYearWithinTheRange" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionBetween2To5YearsMaximumYearWithinTheRange"/>
  <xs:element name="RevenueRemainingPerformanceObligationToBeRecognizedAfterFiveYearsAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_RevenueRemainingPerformanceObligationToBeRecognizedAfterFiveYearsAmount"/>
  <xs:element name="RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionAfter5Years" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionAfter5Years"/>
  <xs:element name="PeriodOfOneYearOrLongerBetweenPerformanceAndPayment" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PeriodOfOneYearOrLongerBetweenPerformanceAndPayment"/>
  <xs:element name="ShortTermPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ShortTermPeriod"/>
  <xs:element name="LossContingencyAccrualEndingBalance" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_LossContingencyAccrualEndingBalance"/>
  <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="StockIssuedDuringPeriodSharesWarrantsExercises" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_StockIssuedDuringPeriodSharesWarrantsExercises"/>
  <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="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="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="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="PreferredStockConversionDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PreferredStockConversionDescription"/>
  <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="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="AggregateGrossProceeds" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="soun_AggregateGrossProceeds"/>
  <xs:element name="LeaseAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="soun_LeaseAxis"/>
  <xs:element name="April2013SeriesCWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_April2013SeriesCWarrantsMember"/>
  <xs:element name="AverageIntrinsicValueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_AverageIntrinsicValueMember"/>
  <xs:element name="BusinessCombinationMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_BusinessCombinationMember"/>
  <xs:element name="CommonStockWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_CommonStockWarrantsMember"/>
  <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="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="FinanceLeaseMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_FinanceLeaseMember"/>
  <xs:element name="HostedServicesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_HostedServicesMember"/>
  <xs:element name="LenderMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_LenderMember"/>
  <xs:element name="March2021NotePayableMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_March2021NotePayableMember"/>
  <xs:element name="MonetizationMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_MonetizationMember"/>
  <xs:element name="November2013SeriesCWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_November2013SeriesCWarrantsMember"/>
  <xs:element name="OperatingLeaseMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_OperatingLeaseMember"/>
  <xs:element name="OptionActivityMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_OptionActivityMember"/>
  <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="PIPEInvestorsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_PIPEInvestorsMember"/>
  <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="ProfessionalServicesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_ProfessionalServicesMember"/>
  <xs:element name="RevenueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_RevenueMember"/>
  <xs:element name="SCIMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SCIMember"/>
  <xs:element name="SNAPJune2020NoteMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SNAPJune2020NoteMember"/>
  <xs:element name="SNAPMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SNAPMember"/>
  <xs:element name="SVBMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SVBMember"/>
  <xs:element name="SeriesC1PreferredStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SeriesC1PreferredStockMember"/>
  <xs:element name="SeriesCWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SeriesCWarrantsMember"/>
  <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="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="SoundHoundIncMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_SoundHoundIncMember"/>
  <xs:element name="TwoThousendSixteenEquityIncentivePlanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_TwoThousendSixteenEquityIncentivePlanMember"/>
  <xs:element name="WarrantLiabilityMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="soun_WarrantLiabilityMember"/>
  <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>
