ETSI EN 301 713 V7.0.3 (2000-10)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Digital cellular telecommunications system (Phase 2+) (GSM); Test sequences for the Adaptive Multi-Rate (AMR) speech codec (GSM 06.74 version 7.0.3 Release 1998)33.070.50Globalni sistem za mobilno telekomunikacijo (GSM)Global System for Mobile Communication (GSM)ICS:Ta slovenski standard je istoveten z:EN 301 713 Version 7.0.3SIST EN 301 713 V7.0.3:2003en01-december-2003SIST EN 301 713 V7.0.3:2003SLOVENSKI
STANDARD



SIST EN 301 713 V7.0.3:2003



ETSIEN301713V7.0.3(2000-10)EuropeanStandard(Telecommunicationsseries)Digitalcellulartelecommunicationssystem(Phase2+);TestsequencesfortheAdaptiveMulti-Rate(AMR)speechcodec(GSM06.74version7.0.3Release1998)GLOBALSYSTEMFORMOBILECOMMUNICATIONSRSIST EN 301 713 V7.0.3:2003



ETSI2ETSIEN301713V7.0.3(2000-10)(GSM06.74version7.0.3Release1998)ReferenceDEN/SMG-110674Q7KeywordsDigitalcellulartelecommunicationssystem,GlobalSystemforMobilecommunications(GSM),AMR,CODECETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:+33492944200Fax:+33493654716SiretN°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:editor@etsi.frCopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 301 713 V7.0.3:2003



ETSI3ETSIEN301713V7.0.3(2000-10)(GSM06.74version7.0.3Release1998)ContentsIntellectualPropertyRights.4Foreword.41Scope.52References.53Definitionsandabbreviations.53.1Definitions.53.2Abbreviations.64General.65Testsequenceformat.65.1Fileformat.65.2Codechoming.76Speechcodectestsequences.76.1Codecconfiguration.76.2Speechcodectestsequences.76.2.1Speechencodertestsequences.76.2.2Speechdecodertestsequences.86.2.3Codechomingsequence.87DTXtestsequences.97.1Codecconfiguration.97.2TestSequences.97.2.1Testsequencesforbackgroundnoiseestimation.97.2.2Testsequencesforpitch,toneandcomplexsignaldetection.107.2.3Realspeechandtones.107.2.4Testsequenceforsignal-to-noiseratioestimation.108Sequencesforfindingthe20msframingoftheGSMadaptivemulti-ratespeechencoder.108.1Bitsynchronisation.108.2Framesynchronisation.118.3Formatsandsizesofthesynchronisationsequences.119TrauTestingwith8BitA-andµ-lawPCMTestSequences.12AnnexA(informative):ChangeHistory.13History.14SIST EN 301 713 V7.0.3:2003



ETSI4ETSIEN301713V7.0.3(2000-10)(GSM06.74version7.0.3Release1998)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).TestsequencesinPC(little-endian)byteorderforabitexactimplementationoftheAdaptiveMulti-Rate(AMR)speechtranscoderarecontainedinthearchivesT.TGZ,S.TGZ,T_A.TGZ,T_U.TGZ,S_A.TGZandS_U.TGZwhichaccompanythepresentdocument.ThepresentdocumentspecifiesthedigitaltestsequencesfortheGSMadaptivemulti-ratespeechcodecforthedigitalcellulartelecommunicationssystem.ThecontentsofthepresentdocumentissubjecttocontinuingworkwithinSMGandmaychangefollowingformalSMGapproval.ShouldSMGmodifythecontentsofthepresentdocumentitwillbere-releasedwithanidentifyingchangeofreleasedateandanincreaseinversionnumberasfollows:Version7.x.ywhere:7indicatesRelease1998ofGSMPhase2+.xtheseconddigitisincrementedforallchangesofsubstance,i.e.technicalenhancements,corrections,updates,etc.ythethirddigitisincrementedwheneditorialonlychangeshavebeenincorporatedinthespecification.NationaltranspositiondatesDateofadoptionofthepresentdocument:1September2000Dateoflatestannouncementofthepresentdocument(doa):31December2000DateoflatestpublicationofnewNationalStandardorendorsementofthepresentdocument(dop/e):30June2001DateofwithdrawalofanyconflictingNationalStandard(dow):30June2001SIST EN 301 713 V7.0.3:2003



ETSI5ETSIEN301713V7.0.3(2000-10)(GSM06.74version7.0.3Release1998)1ScopeThepresentdocumentspecifiesthedigitaltestsequencesfortheGSMadaptivemulti-rate(AMR)speechcodec.Thesesequencestestforabitexactimplementationoftheadaptivemulti-ratespeechtranscoder(GSM06.90[4]),VoiceActivityDetection(GSM06.94[8]),comfortnoise(GSM06.92[6]),andthediscontinoustransmission(GSM06.93[7]).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:"Digitalcellulartelecommunicationssystem(Phase2+);Abbreviationsandacronyms".[2]GSM06.71:"Digitalcellulartelecommunicationssystem(Phase2+);AdaptiveMulti-Rate(AMR)speechprocessingfunctions;Generaldescription".[3]GSM06.73:"Digitalcellulartelecommunicationssystem(Phase2+);ANSI-CcodefortheGSMAdaptiveMulti-Ratespeechcodec".[4]GSM06.90:"Digitalcellulartelecommunicationssystem(Phase2+);AdaptiveMulti-Ratespeechtranscoding".[5]GSM06.91:"Digitalcellulartelecommunicationssystem(Phase2+);SubstitutionandmutingoflostframeforAdaptiveMulti-Ratespeechtrafficchannels".[6]GSM06.92:"Digitalcellulartelecommunicationssystem(Phase2+);ComfortnoiseaspectsforAdaptiveMulti-Ratespeechtrafficchannels".[7]GSM06.93:"Digitalcellulartelecommunicationssystem(Phase2+);Discontinuoustransmission(DTX)forAdaptiveMulti-Ratespeechtrafficchannels".[8]GSM06.94:"Digitalcellulartelecommunicationssystem(Phase2+);VoiceActivityDetection(VAD)forAdaptiveMulti-Ratespeechtrafficchannels".3Definitionsandabbreviations3.1DefinitionsDefinitionoftermsusedinthepresentdocumentcanbefoundinGSM06.90[7],GSM06.91[8],GSM06.92[9],GSM06.93[10]andGSM06.94[11].SIST EN 301 713 V7.0.3:2003



ETSI6ETSIEN301713V7.0.3(2000-10)(GSM06.74version7.0.3Release1998)3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:AMRAdaptiveMulti-RateDTXDiscontinuousTransmissionETSEuropeanTelecommunicationStandardGSMGlobalSystemforMobilecommunicationsForabbreviationsnotgiveninthissubclause,seeGSM01.04[1].4GeneralDigitaltestsequencesarenecessarytotestforabitexactimplementationoftheadaptivemulti-ratespeechtranscoder(GSM06.90[4]),voiceactivitydetection(GSM06.94[8]),comfortnoisegeneration(GSM06.92[6])anddiscontinuoustransmission(GSM06.93[7]).ThetestsequencesmayalsobeusedtoverifyinstallationsoftheANSICcodeinGSM06.73[3].Clause5describestheformatofthefileswhichcontainthedigitaltestsequences.Clause6describesthetestsequencesforthespeechtranscoder.Clause7describesthetestsequencesfortheVAD,comfortnoiseanddiscontinuoustransmission.Clause8describesthemethodbywhichsynchronisationisobtainedbetweenthetestsequencesandthespeechcodecundertest.Clause9describesthealternativeacceptancetestingofthespeechencoderanddecoderintheTRAUbymeansof8bitA-orµ-lawcompressedtestsequencesontheA-Interface.5TestsequenceformatThisclauseprovidesinformationontheformatofthedigitaltestsequencesfortheGSMadaptivemulti-ratespeechtranscoder(GSM06.90[4]),voiceactivitydetection(GSM06.94[8]),comfortnoisegeneration(GSM06.92[6])anddiscontinuoustransmission(GSM06.93[7]).5.1FileformatThetestsequencefilesinPC(little-endian)byteorderareprovidedinarchivefiles(ZIPformat)whichaccompanythepresentdocument.Followingdecompression,threetypesoffileareprovided:-Filesforinputtothespeechencoder:*.INP-Filesforcomparisonwiththeencoderoutputandforinputtothespeechdecoder:*.COD-Filesforcomparisonwiththedecoderoutput:*.OUT-OnemodecontrolfileforthemodeswitchingtestT21.MODAllfileformatsaredescribedinGSM06.73[3].SIST EN 301 713 V7.0.3:2003



ETSI7ETSIEN301713V7.0.3(2000-10)(GSM06.74version7.0.3Release1998)5.2CodechomingEach*.INPfileincludestwohomingframes(seeGSM06.73[3])atthestartofthetestsequence.Thefunctionoftheseframesistoresetthespeechencoderstatevariablestotheirinitialvalue.InthecaseofacorrectinstallationoftheANSI-Csimulation(GSM06.73[3]),allspeechencoderoutputframesshallbeidenticaltothecorrespondingframeinthe*.CODfile.Inthecaseofacorrecthardwareimplementationundergoingtesting,thefirstspeechencoderoutputframeisundefinedandneednotbeidenticaltothefirstframeinthe*.CODfile,butallremainingspeechencoderoutputframesshallbeidenticaltothecorrespondingframesinthe*.CODfile.Thefunctionofthetwohomingframesinthe*.CODfilesistoresetthespeechdecoderstatevariablestotheirinitialvalue.InthecaseofacorrectinstallationoftheANSI-Csimulation(GSM06.73[3]),allspeechdecoderoutputframesshallbeidenticaltothecorrespondingframeinthe*.OUTfile.Inthecaseofacorrecthardwareimplementationundergoingtesting,thefirstspeechdecoderoutputframeisundefinedandneednotbeidenticaltofirstframeinthe*.OUTfile,butallremainingspeechdecoderoutputframesshallbeidenticaltothecorrespondingframesinthe*.OUTfile.6SpeechcodectestsequencesThisclausedescribesthetestsequencesdesignedtoexercisetheGSMadaptivemulti-ratespeechtranscoder(GSM06.90[4]).6.1CodecconfigurationThespeechencodershallbeconfiguredtooperateinthenon-DTXmode.6.2Speechcodectestsequences6.2.1SpeechencodertestsequencesTwenty-twoencoderinputsequencesareprovided.NotethatfortheinputsequencesT00.INPtoT03.INP,theamplitudefiguresaregivenin13-bitprecision.TheactivespeechlevelsaregivenindBov.-T00.INP-Syntheticharmonicsignal.Thepitchdelayvariesslowlyfrom18to143.5samples.Theminimumandmaximumamplitudesare-997and+971.-T01.INP-Syntheticharmonicsignal.Thepitchdelayvariesslowlyfrom144downto18.5samples.Amplitudesatsaturationpoint-4096and+4095.-T02.INP-Sinusoidalsweepvaryingfrom150Hzto3400Hz.Amplitudes±1250.-T03.INP-Sinusoidalsweepvaryingfrom150Hzto3400Hz.Amplitudes±4000.-T04.INP-Femalespeech,activespeechlevel:-19.4dBov,flatfrequencyresp
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