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ETSIES202740V1.2.1(2007-10)ETSIStandardSpeechProcessing,TransmissionandQualityAspects(STQ);TransmissionrequirementsforwidebandVoIPloudspeakingandhandsfreeterminalsfromaQoSperspectiveasperceivedbytheuserETSIETSIES202740V1.2.1(2007-10)2ReferenceDES/STQ-00102Keywordsterminal,handsfree,loudspeaking,VoIP,qualityETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:+33492944200Fax:+33493654716SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableat:©EuropeanTelecommunicationsStandardsInstitute2007.Allrightsreserved.DECTTM,PLUGTESTSTMandUMTSTMareTradeMarksofETSIregisteredforthebenefitofitsMembers.TIPHONTMandtheTIPHONlogoareTradeMarkscurrentlybeingregisteredbyETSIforthebenefitofitsMembers.3GPPTMisaTradeMarkofETSIregisteredforthebenefitofitsMembersandofthe3GPPOrganizationalPartners.ETSIETSIES202740V1.2.1(2007-10)3ContentsIntellectualPropertyRights................................................................................................................................6Foreword.............................................................................................................................................................6Introduction........................................................................................................................................................61Scope........................................................................................................................................................72References................................................................................................................................................73Definitionsandabbreviations...................................................................................................................83.1Definitions..........................................................................................................................................................83.2Abbreviations.....................................................................................................................................................94Generalconsiderations.............................................................................................................................94.1CodingAlgorithm...............................................................................................................................................94.2End-to-endconsiderations................................................................................................................................104.3Parameterstobeinvestigated...........................................................................................................................104.3.1Basicparameters.........................................................................................................................................104.3.2FurtherParameterswithrespecttoSpeechProcessingDevices.................................................................105Testequipment.......................................................................................................................................115.1IPhalfchannelmeasurementadaptor...............................................................................................................115.2Networkimpairmentsimulation.......................................................................................................................115.3Acousticenvironment.......................................................................................................................................126TestSetup...............................................................................................................................................126.1Setupforterminal.............................................................................................................................................136.1.1Hands-freemeasurements.....................................................................................
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本文标题：ETSI ES 202 740 V1.2.1 (2007-10) Speech Processing
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