ETSI EG 202 396-1 V1.2.3 (2009-03) Speech quality

ETSIEG202396-1V1.2.3(2009-03)ETSIGuideSpeechandmultimediaTransmissionQuality(STQ);Speechqualityperformanceinthepresenceofbackgroundnoise;Part1:BackgroundnoisesimulationtechniqueandbackgroundnoisedatabaseETSIETSIEG202396-1V1.2.3(2009-03)2ReferenceREG/STQ-00139Keywordsperformance,quality,speechETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:[phone]Fax:[phone]SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableat:©EuropeanTelecommunicationsStandardsInstitute2009.Allrightsreserved.DECTTM,PLUGTESTSTM,UMTSTM,TIPHONTM,theTIPHONlogoandtheETSIlogoareTradeMarksofETSIregisteredforthebenefitofitsMembers.3GPPTMisaTradeMarkofETSIregisteredforthebenefitofitsMembersandofthe3GPPOrganizationalPartners.LTE™isaTradeMarkofETSIcurrentlybeingregisteredforthebenefitofitsMembersandofthe3GPPOrganizationalPartners.GSM®andtheGSMlogoareTradeMarksregisteredandownedbytheGSMAssociation.ETSIETSIEG202396-1V1.2.3(2009-03)3ContentsIntellectualPropertyRights................................................................................................................................5Foreword.............................................................................................................................................................5Introduction........................................................................................................................................................51Scope........................................................................................................................................................62References................................................................................................................................................62.1Normativereferences.........................................................................................................................................62.2Informativereferences........................................................................................................................................73Definitionsandabbreviations...................................................................................................................83.1Definitions..........................................................................................................................................................83.2Abbreviations.....................................................................................................................................................84Overviewofexistingmethodsforrealisticsoundreproduction...............................................................84.1Introduction........................................................................................................................................................84.2SurroundSoundTechniques...............................................................................................................................94.3IOSONO...........................................................................................................................................................104.4Eidophonie.......................................................................................................................................................104.5Four-loudspeakerarrangementforplaybackofbinaurallyrecordedsignals....................................................114.6NTTBackground-NoiseDatabase...................................................................................................................124.7Generalconclusions.........................................................................................................................................125Recordingarrangement..........................................................................................................................135.1Binauralequalization........................................................................................................................................135.2Theequa