SIST EN 300 966 V7.0.2:2003

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Digital cellular telecommunications system (Phase 2+) (GSM); Half rate speech; Half rate speech processing functions (GSM 06.02 version 7.0.2 Release 1998)33.070.50Globalni sistem za mobilno telekomunikacijo (GSM)Global System for Mobile Communication (GSM)ICS:Ta slovenski standard je istoveten z:EN 300 966 Version 7.0.2SIST EN 300 966 V7.0.2:2003en01-december-2003SIST EN 300 966 V7.0.2:2003SLOVENSKI
STANDARD



SIST EN 300 966 V7.0.2:2003



ETSIEN300966V7.0.2(1999-12)EuropeanStandard(Telecommunicationsseries)Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;Halfratespeechprocessingfunctions(GSM06.02version7.0.2Release1998)GLOBALSYSTEMFORMOBILECOMMUNICATIONSRSIST EN 300 966 V7.0.2:2003



ETSIETSIEN300966V7.0.2(1999-12)2(GSM06.02version7.0.2Release1998)ReferenceREN/SMG-110602Q7(8y003i1c.PDF)KeywordsDigitalcellulartelecommunicationssystem,GlobalSystemforMobilecommunications(GSM)ETSIPostaladdressF-06921SophiaAntipolisCedex-FRANCEOfficeaddress650RoutedesLucioles-SophiaAntipolisValbonne-FRANCETel.:+33492944200Fax:+33493654716SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88Internetsecretariat@etsi.frIndividualcopiesofthisETSIdeliverablecanbedownloadedfromhttp://www.etsi.orgIfyoufinderrorsinthepresentdocument,sendyourcommentto:editor@etsi.frImportantnoticeThisETSIdeliverablemaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshouldbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.CopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute1999.Allrightsreserved.SIST EN 300 966 V7.0.2:2003



ETSIETSIEN300966V7.0.2(1999-12)3(GSM06.02version7.0.2Release1998)ContentsIntellectualPropertyRights.4Foreword.41Scope.62References.63Definitionsandabbreviations.73.1Definitions.73.2Abbreviations.74General.85Halfratespeechtranscoding.106HalfrateDiscontinuousTransmission(DTX).107HalfrateVoiceActivityDetection(VAD).118Halfratecomfortnoiseinsertion.119Halfratelostspeechframesubstitutionandmuting.1110Halfratecodechoming.12AnnexA(informative):ChangeRequestHistory.13History.14SIST EN 300 966 V7.0.2:2003



ETSIETSIEN300966V7.0.2(1999-12)4(GSM06.02version7.0.2Release1998)IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinSR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinSR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbytheSpecialMobileGroup(SMG).Thepresentdocumentgivesageneraloverviewofthehalfratespeechtrafficchannelsspeechprocessingfunctionsforthedigitalcellulartelecommunicationssystem.ThepresentdocumentispartofENs'seriescoveringthehalfratespeechtrafficchannelsasdescribedbelow:GSM06.02"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;Halfratespeechprocessingfunctions".GSM06.20"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;Halfratespeechtranscoding".GSM06.21"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;Substitutionandmutingoflostframesforhalfratespeechtrafficchannels".GSM06.22"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;Comfortnoiseaspectsforhalfratespeechtrafficchannels".GSM06.41"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;DiscontinuousTransmission(DTX)forhalfratespeechtrafficchannels".GSM06.42"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;VoiceActivityDetector(VAD)forhalfratespeechtrafficchannels".GSM06.06"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;ANSI-CcodefortheGSMhalfratespeechcodec".GSM06.07"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;TestsequencesfortheGSMhalfratespeechcodec".SIST EN 300 966 V7.0.2:2003



ETSIETSIEN300966V7.0.2(1999-12)5(GSM06.02version7.0.2Release1998)ThecontentsofthepresentdocumentissubjecttocontinuingworkwithinSMGandmaychangefollowingformalSMGapproval.ShouldSMGmodifythecontentsofthepresentdocumentitwillbere-releasedwithanidentifyingchangeofreleasedateandanincreaseinversionnumberasfollows:Version7.x.ywhere:7indicatesRelease1998ofGSMPhase2+xtheseconddigitisincrementedforallchangesofsubstance,i.e.technicalenhancements,corrections,updates,etc.ythethirddigitisincrementedwheneditorialonlychangeshavebeenincorporatedinthespecification.NationaltranspositiondatesDateofadoptionofthisEN:3December1999DateoflatestannouncementofthisEN(doa):31March2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):30September2000DateofwithdrawalofanyconflictingNationalStandard(dow):30September2000SIST EN 300 966 V7.0.2:2003



ETSIETSIEN300966V7.0.2(1999-12)6(GSM06.02version7.0.2Release1998)1ScopeThepresentdocumentisanintroductiontoGSM06.20[4],GSM06.21[5],GSM06.22[6],GSM06.41[7]andGSM06.42[8]TSsdealingwiththespeechprocessingfunctionsinthehalf-ratechanneloftheGSMsystem.Ageneraloverviewofthespeechprocessingfunctionsisgiven,withreferencetotheTSswhereeachfunctionisspecifiedindetail.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.•Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.•Foraspecificreference,subsequentrevisionsdonotapply.•Foranon-specificreference,thelatestversionapplies.•Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.•ForthisRelease1998document,referencestoGSMdocumentsareforRelease1998versions(version7.x.y).[1]GSM01.04:"Digitalcellulartelecommunicationsystem(Phase2+);Abbreviationsandacronyms".[2]GSM03.50:"Digitalcellulartelecommunicationsystem(Phase2+);TransmissionplanningaspectsofthespeechservicesintheGSMPublicLandMobileNetwork(PLMN)system".[3]GSM05.03:"Digitalcellulartelecommunicationssystem(Phase2+);Channelcoding".[4]GSM06.20:"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech:Halfratespeechtranscoding".[5]GSM06.21:"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;Substitutionandmutingoflostframeforhalfratespeechtrafficchannels".[6]GSM06.22:"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;Comfortnoiseaspectsforhalfratespeechtrafficchannels".[7]GSM06.41:"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;Discontinuoustransmission(DTX)forhalfratespeechtrafficchannels".[8]GSM06.42:"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;VoiceActivityDetector(VAD)forhalfratespeechtrafficchannels".[9]ITU-TRecommendationG.711:"PulseCodeModulation(PCM)ofvoicefrequencies".[10]GSM06.07:"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;TestsequencesfortheGSMhalfratespeechcodec".[11]GSM06.06:"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;ANSI-CcodefortheGSMhalfratespeechcodec".SIST EN 300 966 V7.0.2:2003



ETSIETSIEN300966V7.0.2(1999-12)7(GSM06.02version7.0.2Release1998)3Definitionsandabbreviations3.1DefinitionsDefinitionoftermsusedinthepresentdocumentcanbefoundinGSM
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