ETSI EN 300 968 V8.0.1 (2000-11)

Digital cellular telecommunications system (Phase 2+) (GSM); Half rate speech; Test sequences for the GSM half rate speech codec (GSM 06.07 version 8.0.1 Release 1999)

REN/SMG-110607Q8

Digitalni celični telekomunikacijski sistem (faza 2+) – Govor s polovično hitrostjo – Preskušalna zaporedja za kodek sistema GSM za govor s polovično hitrostjo (GSM 06.07, različica 8.0.1, izdaja 1999)

General Information

• Status: Published
• Publication Date: 14-Nov-2000
• Technical Committee: SMG 11 - Speech Aspects
• Current Stage: 12 - Completion
• Due Date: 10-Nov-2000
• Completion Date: 15-Nov-2000
• Mandate: T-172
• Ref Project: SIST EN 300 968 V8.0.1:2003 - Digital cellular telecommunications system (Phase 2+) (GSM); Half rate speech; Test sequences for the GSM half rate speech codec (GSM 06.07 version 8.0.1 Release 1999)

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Digital cellular telecommunications system (Phase 2+) (GSM); Half rate speech; Test sequences for the GSM half rate speech codec (GSM 06.07 version 8.0.1 Release 1999)33.070.50Globalni sistem za mobilno telekomunikacijo (GSM)Global System for Mobile Communication (GSM)ICS:Ta slovenski standard je istoveten z:EN 300 968 Version 8.0.1SIST EN 300 968 V8.0.1:2003en01-december-2003SIST EN 300 968 V8.0.1:2003SLOVENSKI
STANDARD



SIST EN 300 968 V8.0.1:2003



ETSIEN300968V8.0.1(2000-11)EuropeanStandard(Telecommunicationsseries)Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;TestsequencesfortheGSMhalfratespeechcodec(GSM06.07version8.0.1Release1999)GLOBALSYSTEMFORMOBILECOMMUNICATIONSRSIST EN 300 968 V8.0.1:2003



ETSIETSIEN300968V8.0.1(2000-11)2(GSM06.07version8.0.1Release1999)ReferenceREN/SMG-110607Q8KeywordsDigitalcellulartelecommunicationssystem,GlobalSystemforMobilecommunications(GSM)ETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:[phone]Fax:[phone]SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:http://www.etsi.orgThepresentdocumentmaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableathttp://www.etsi.org/tb/status/Ifyoufinderrorsinthepresentdocument,sendyourcommentto:[e-mail]opartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 300 968 V8.0.1:2003



ETSIETSIEN300968V8.0.1(2000-11)3(GSM06.07version8.0.1Release1999)ContentsIntellectualPropertyRights.4Foreword.41Scope.62References.63Definitionsandabbreviations.63.1Definitions.63.2Abbreviations.74General.75Testsequenceformat.75.1Fileformat.75.2Codechoming.86Speechcodectestsequences.86.1Codecconfiguration.86.2Speechcodectestsequences.96.2.1Speechencodertestsequences.96.2.2Speechdecodertestsequences.96.2.3Codechomingsequence.97DTXtestsequences.107.1Codecconfiguration.107.2DTXtestsequences.107.2.1Predictorvaluescomputation.107.2.2Spectralcomparison.117.2.3Thresholdadaptation.117.2.4Periodicitydetection.117.2.5Tonedetection.117.2.6Safetyandinitialization.117.2.7Comfortnoisetestsequence.117.2.8Realspeechandtones.118Sequencesforfindingthe20msframingoftheGSMhalfratespeechencoder.128.1Bitsynchronization.128.2Framesynchronization.128.3Formatsandsizesofthesynchronizationsequences.139TrauTestingwith8BitA-andµ-lawPCMTestSequences.1410TestsequencesfortheGSMhalfratespeechcodec.15AnnexA(informative):ChangeRequestHistory.16History.17SIST EN 300 968 V8.0.1:2003



ETSIETSIEN300968V8.0.1(2000-11)4(GSM06.07version8.0.1Release1999)IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinETSISR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinETSISR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeSpecialMobileGroup(SMG).Anelectronicattachmentaccompaniesthepresentdocument,containingtestsequencesforabitexactimplementationofthehalfratespeechtranscoder.Archiveen_300968v080001p0.ZIPwhichaccompaniesthepresentdocumentcontainscompressedfileswhicharelabelledasfollows:Disks24.zipClause10:TestsequencesfortheGSMhalfratespeechcodec;Disks2and4(GSM06.07).Disks135.zipClause10:TestsequencesfortheGSMhalfratespeechcodec;Disks1,3and5(GSM06.07).Disks6A.zipClause10:TestsequencesfortheGSMhalfratespeechcodec;Disks6and10(GSM06.07).Disks7B.zipClause10:TestsequencesfortheGSMhalfratespeechcodec;Disks7and11(GSM06.07).Disks89.zipClause10:TestsequencesfortheGSMhalfratespeechcodec;Disks8and9(GSM06.07).ThepresentdocumentspecifiesthehalfratespeechtrafficchannelsfortheDigitalcellulartelecommunicationssystem.ThepresentdocumentspecifiesthedigitaltestsequencesfortheGSMhalfratespeechcodecforthedigitalcellulartelecommunicationssystem.Thepresentdocument,ispartofaseriescoveringthehalfratespeechtrafficchannelsasdescribedbelow:GSM06.02"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;Halfratespeechprocessingfunctions".GSM06.06"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;ANSI-CcodefortheGSMhalfratespeechcodec".GSM06.07"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;TestsequencesfortheGSMhalfratespeechcodec".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".SIST EN 300 968 V8.0.1:2003



ETSIETSIEN300968V8.0.1(2000-11)5(GSM06.07version8.0.1Release1999)ThecontentsofthepresentdocumentissubjecttocontinuingworkwithinSMGandmaychangefollowingformalSMGapproval.ShouldSMGmodifythecontentsofthepresentdocumentitwillbere-releasedwithanidentifyingchangeofreleasedateandanincreaseinversionnumberasfollows:Version8.x.ywhere:8indicatesRelease1999ofGSMPhase2+.xtheseconddigitisincrementedforallchangesofsubstance,i.e.technicalenhancements,corrections,updates,etc.ythethirddigitisincrementedwheneditorialonlychangeshavebeenincorporatedinthespecification.NationaltranspositiondatesDateofadoptionofthisEN:3November2000DateoflatestannouncementofthisEN(doa):28February2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31August2001DateofwithdrawalofanyconflictingNationalStandard(dow):31August2001SIST EN 300 968 V8.0.1:2003



ETSIETSIEN300968V8.0.1(2000-11)6(GSM06.07version8.0.1Release1999)1ScopeThepresentdocumentspecifiesthedigitaltestsequencesfortheGSMhalfratespeechcodec.Thesesequencestestforabitexactimplementationofthehalfratespeechtranscoder(GSM06.20[2]),VoiceActivityDetector(GSM06.42[6]),comfortnoise(GSM06.22[4])andthediscontinuoustransmission(GSM06.41[5]).2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.• ForthisRelease1999document,referencestoGSMdocumentsareforRelease1999versions(version8.x.y).[1]GSM01.04:"Digitalcellulartelecommunicationssystem(Phase2+);Abbreviationsandacronyms".[2]GSM06.20:"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;Halfratespeechtranscoding".[3]GSM06.21:"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;Substitutionandmutingoflostframeforhalfratespeechtrafficchannels".[4]GSM06.22:"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;Comfortnoiseaspectsforhalfratespeechtrafficchannels".[5]GSM06.41:"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;DiscontinuousTransmission(DTX)forhalfratespeechtrafficchannels".[6]GSM06.42:"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;VoiceActivityDetector(VAD)forhalfratespeechtrafficchannels".[7]GSM06.06:"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;ANSI-CcodefortheGSMhalfratespeechcodec".[8]GSM06.02:"Digitalcellulartelecommunicationssystem(Phase2+);Halfratespeech;Halfratespeechcodingfunctions".3Definitionsandabbreviations3.1DefinitionsDefinitionoftermsusedinthepresentdocumentcanbefoundinGSM06.20[2],GSM06.21[3],GSM06.22[4],GSM06.41[5]andGSM06.42[6].SIST EN 300 968 V8.0.1:2003



ETSIETSIEN300968V8.0.1(2000-11)7(GSM06.07version8.0.1Release1999)3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:ETSEuropeanTelecommunicationStandardGSMGlobalSystemforMobilecommunicationsForabbreviationsnotgiveninthisclause,seeGSM01.04[1].4GeneralDigitaltestsequencesarenecessarytotestforabitexactimplementationofthehalfratespeechtranscoder(GSM06.20[2]),VoiceActivityDetector(GSM06.42[6]),comfortnoise(GSM06.22[4])andthediscontinuoustransmission(GSM06.41[5]).ThetestsequencesmayalsobeusedtoverifyinstallationsoftheANSICcodeinGSM06.06[7].Clause5describestheformatofthefileswhichcontainthedigitaltestsequences.Clause6describesthetestsequencesforthespeechtranscoder.Clause7describesthetestsequencesfortheVAD,comfortnoiseanddiscontinuoustransmission.Clause8describesthemethodbywhichsynchronizationisobtainedbetweenthetestsequencesandthespeechcodecundertest.Clause9describestheoptionalacceptancetestingofthespeechencoderanddecoderintheTRAUbymeansof8bitA-orµ-lawcompressedtestsequencesontheA-Interface.Electroniccopiesofthedigitaltestsequencesareprovidedasclause10,thesedigitaltestsequencesarecontainedinarchiveen_300968v080001p0.ZIPwhichaccompaniesthepresentdocument.5TestsequenceformatThisclauseprovidesinformationontheformatofthedigitaltestsequencesfortheGSMhalfratespeechtranscoder(GSM06.20[2]),VoiceActivityDetector(GSM06.42[6]),comfortnoise(GSM06.22[4])andthediscontinuoustransmission(GSM06.41[5]).5.1FileformatThetestsequencefilesareprovidedinarchiveen_300968v080001p0.ZIPwhichaccompaniesthepresentdocument.Followingdecompression,byexecutionofthe11"disk*.exe"files,fourtypesoffileareprovided:-FilesforinputtotheGSMhalfratespeechencoder:*.INP-Filesforcomparisonwiththeencoderoutput:*.COD-FilesforinputtotheGSMhalfratespeechdecoder:*.DEC-Filesforcomparisonwiththedecoderoutput:*.OUTTables1,2,3and4definetheformatsofthefourtypesoffile.Eachparameterinthesetablesiscontainedina16bitwordexceptforthesamplesofthe8bitPCMtestsequences,whicharecontainedinan8bitwordeach.Theleftorrightjustificationisindicatedinthetables.Thesizeandlocationofspeechparametersintheencoderoutput(*.COD)anddecoderinputfiles(*.DEC)aredescribedinGSM06.20[2].SIST EN 300 968 V8.0.1:2003



ETSIETSIEN300968V8.0.1(2000-11)8(GSM06.07version8.0.1Release1999)5.2CodechomingEach*.INPfileincludestwohomingframesatthestartofthetestsequence.Thefunctionoftheseframesistoresetthespeechencoderstatevariablestotheirinitialvalue.InthecaseofacorrectinstallationoftheANSI-Csimulation(GSM06.06[7]),allspeechencoderoutputframesshallbeidenticaltothecorrespondingframeinthe*.CODfile.Inthecaseofacorrecthardwareimplementationundergoingtypeapproval,thefirstspeechencoderoutputframeisundefinedandneednotbeidenticaltothefirstframeinthe*.CODfile,butallremainingspeechencoderoutputframesshallbeidenticaltothecorrespondingframesinthe*.CODfile.Each*.DECfileincludestwohomingframesatthestartofthetestsequence.Thefunctionoftheseframesistoresetthespeech
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