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  <xs:element id="dlb_UnrecordedUnconditionalObligationBalanceOnSecondAnniversary" abstract="false" name="UnrecordedUnconditionalObligationBalanceOnSecondAnniversary" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_UnrecordedUnconditionalObligationBalanceOnThirdAnniversary" abstract="false" name="UnrecordedUnconditionalObligationBalanceOnThirdAnniversary" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_UnrecordedUnconditionalObligationBalanceOnFourthAnniversary" abstract="false" name="UnrecordedUnconditionalObligationBalanceOnFourthAnniversary" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_UnrecordedUnconditionalObligationBalanceOnFifthAnniversary" abstract="false" name="UnrecordedUnconditionalObligationBalanceOnFifthAnniversary" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_UnrecordedUnconditionalObligationDueAfterFiveYears" abstract="false" name="UnrecordedUnconditionalObligationDueAfterFiveYears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_UnrecordedUnconditionalObligationBalanceSheetAmount" abstract="false" name="UnrecordedUnconditionalObligationBalanceSheetAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_UnrecordedUnconditionalDonationObligationDueinNextTwelveMonths" abstract="false" name="UnrecordedUnconditionalDonationObligationDueinNextTwelveMonths" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_UnrecordedUnconditionalDonationObligationDuewithinTwoYears" abstract="false" name="UnrecordedUnconditionalDonationObligationDuewithinTwoYears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_UnrecordedUnconditionalDonationObligationDuewithinThreeYears" abstract="false" name="UnrecordedUnconditionalDonationObligationDuewithinThreeYears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_UnrecordedUnconditionalDonationObligationDuewithinFourYears" abstract="false" name="UnrecordedUnconditionalDonationObligationDuewithinFourYears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_UnrecordedUnconditionalDonationObligationDuewithinFiveYears" abstract="false" name="UnrecordedUnconditionalDonationObligationDuewithinFiveYears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_UnrecordedUnconditionalDonationObligationDueafterFiveYears" abstract="false" name="UnrecordedUnconditionalDonationObligationDueafterFiveYears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_UnrecordedUnconditionalDonationObligation" abstract="false" name="UnrecordedUnconditionalDonationObligation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_TotalOperatingLeasesAndPurchaseObligationsDueWithinOneYear" abstract="false" name="TotalOperatingLeasesAndPurchaseObligationsDueWithinOneYear" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_TotalOperatingLeasesAndPurchaseObligationsDueInTwoYears" abstract="false" name="TotalOperatingLeasesAndPurchaseObligationsDueInTwoYears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_TotalOperatingLeasesAndPurchaseObligationsDueInThreeYears" abstract="false" name="TotalOperatingLeasesAndPurchaseObligationsDueInThreeYears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_TotalOperatingLeasesAndPurchaseObligationsDueInFourYears" abstract="false" name="TotalOperatingLeasesAndPurchaseObligationsDueInFourYears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_TotalOperatingLeasesAndPurchaseObligationsDueInFiveYears" abstract="false" name="TotalOperatingLeasesAndPurchaseObligationsDueInFiveYears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_TotalOperatingLeasesAndPurchaseObligationsDueThereafter" abstract="false" name="TotalOperatingLeasesAndPurchaseObligationsDueThereafter" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_TotalOperatingLeasesAndPurchaseObligationsDue" abstract="false" name="TotalOperatingLeasesAndPurchaseObligationsDue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_NamingRightsMember" abstract="true" name="NamingRightsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="dlb_DonationCommitmentsMember" abstract="true" name="DonationCommitmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="dlb_UnrecordedUnconditionalObligationTermOfAgreement" abstract="false" name="UnrecordedUnconditionalObligationTermOfAgreement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="dlb_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAssets" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_BusinessCombinationConsiderationTransferredNetOfCashAcquired" abstract="false" name="BusinessCombinationConsiderationTransferredNetOfCashAcquired" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="dlb_ReportableSegmentMember" abstract="true" name="ReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="dlb_StockRepurchaseProgramAuthorizedAmountAdditional" abstract="false" name="StockRepurchaseProgramAuthorizedAmountAdditional" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
