ETSI EN 300 725 V7.0.1 (2000-01)

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 GSM Enhanced Full Rate (EFR) speech codec (GSM 06.54 version 7.0.1 Release 1998)33.070.50Globalni sistem za mobilno telekomunikacijo (GSM)Global System for Mobile Communication (GSM)ICS:Ta slovenski standard je istoveten z:EN 300 725 Version 7.0.1SIST EN 300 725 V7.0.1:2003en01-december-2003SIST EN 300 725 V7.0.1:2003SLOVENSKI
STANDARD



SIST EN 300 725 V7.0.1:2003



ETSIEN300725V7.0.1(2000-01)EuropeanStandard(Telecommunicationsseries)Digitalcellulartelecommunicationssystem(Phase2+);TestsequencesfortheGSMEnhancedFullRate(EFR)speechcodec(GSM06.54version7.0.1Release1998)GLOBALSYSTEMFORMOBILECOMMUNICATIONSRSIST EN 300 725 V7.0.1:2003



ETSIETSIEN300725V7.0.1(2000-01)2(GSM06.54version7.0.1Release1998)ReferenceREN/SMG-110654Q7KeywordsDigitalcellulartelecommunicationssystem,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,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.CopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 300 725 V7.0.1:2003



ETSIETSIEN300725V7.0.1(2000-01)3(GSM06.54version7.0.1Release1998)ContentsIntellectualPropertyRights.4Foreword.41Scope.62References.63Definitionsandabbreviations.73.1Definitions.73.2Abbreviations.74General.75Testsequenceformat.75.1Fileformat.75.2Codechoming.86Speechcodectestsequences.96.1Codecconfiguration.96.2Speechcodectestsequences.96.2.1Speechencodertestsequences.96.2.2Speechdecodertestsequences.106.2.3Codechomingsequence.107DTXtestsequences.127.1Codecconfiguration.127.2DTXtestsequences.127.2.1Predictorvaluescomputation.137.2.2Spectralcomparison.137.2.3Thresholdadaptation.137.2.4Periodicitydetection.137.2.5Tonedetection.137.2.6Safetyandinitialisation.137.2.7Comfortnoisetestsequence.137.2.8Realspeechandtones.138Sequencesforfindingthe20msframingoftheGSMenhancedfullratespeechencoder.148.1Bitsynchronisation.148.2Framesynchronisation.158.3Formatsandsizesofthesynchronisationsequences.159TrauTestingwith8BitA-andµ-lawPCMTestSequences.16AnnexA(informative):ChangeRequestHistory.19History.20SIST EN 300 725 V7.0.1:2003



ETSIETSIEN300725V7.0.1(2000-01)4(GSM06.54version7.0.1Release1998)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).TestsequencesforabitexactimplementationoftheEnhancedFullRate(EFR)speechtranscoderarecontainedinthearchive en_300725v070001p0.ZIP which accompanies the present document.ThearchivecontainsZIPcompressedfiles,asfollows:Disk1_8Clause10:TestsequencesfortheGSMEnhancedFullRate(EFR)speechcodec;SpeechtestsequencesTEST0.xxxtoTEST8.xxx.Disk2_8Clause10:TestsequencesfortheGSMEnhancedFullRate(EFR)speechcodec;SpeechtestsequencesTEST09.xxxtoTEST16.xxx.Disk3_8Clause10:TestsequencesfortheGSMEnhancedFullRate(EFR)speechcodec;SpeechtestsequencesTEST17.xxxtoTEST20.xxx,Codechomingandsynchronisationsequences.Disk4_8Clause10:TestsequencesfortheGSMEnhancedFullRate(EFR)speechcodec;DTXtestsequences.Disk5_8toClause10:TestsequencesfortheGSMEnhanceFullRate(EFR)speechcodec;8bitDisk8_8A-andµ-lawcompressedtestsequencesforalternativeTRAUtesting.ThepresentdocumentspecifiesthedigitaltestsequencesfortheGSMenhancedfullratespeechcodectforthedigitalcellulartelecommunicationssystem.ThecontentsofthepresentdocumentissubjecttocontinuingworkwithinSMGandmaychangefollowingformalSMGapproval.ShouldSMGmodifythecontentsofthepresentdocumentitwillbere-releasedwithanidentifyingchangeofreleasedateandanincreaseinversionnumberasfollows:Version7.x.ywhere:7indicatesRelease1998ofGSMPhase2+.xtheseconddigitisincrementedforallchangesofsubstance,i.e.technicalenhancements,corrections,updates,etc.ythethirddigitisincrementedwheneditorialonlychangeshavebeenincorporatedinthespecification.SIST EN 300 725 V7.0.1:2003



ETSIETSIEN300725V7.0.1(2000-01)5(GSM06.54version7.0.1Release1998)NationaltranspositiondatesDateofadoptionofthisEN:31December1999DateoflatestannouncementofthisEN(doa):31March2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):30September2000DateofwithdrawalofanyconflictingNationalStandard(dow):30September2000SIST EN 300 725 V7.0.1:2003



ETSIETSIEN300725V7.0.1(2000-01)6(GSM06.54version7.0.1Release1998)1ScopeThepresentdocumentspecifiesthedigitaltestsequencesfortheGSMenhancedfullratespeechcodec.Thesesequencestestforabitexactimplementationoftheenhancedfullratespeechtranscoder(GSM06.60[2]),VoiceActivityDetection(GSM06.82[6]),comfortnoise(GSM06.62[4])andthediscontinuoustransmission(GSM06.81[5]).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]GSM06.60:"Digitalcellulartelecommunicationssystem(Phase2+);EnhancedFullRate(EFR)speechtranscoding".[3]GSM06.61:"Digitalcellulartelecommunicationssystem(Phase2+);SubstitutionandmutingoflostframesforEnhancedFullRate(EFR)speechtrafficchannels".[4]GSM06.62:"Digitalcellulartelecommunicationssystem(Phase2+);ComfortnoiseaspectsforEnhancedFullRate(EFR)speechtrafficchannels".[5]GSM06.81:"Digitalcellulartelecommunicationssystem(Phase2+);DiscontinuousTransmission(DTX)forEnhancedFullRate(EFR)speechtrafficchannels".[6]GSM06.82:"Digitalcellulartelecommunicationssystem(Phase2+);VoiceActivityDetection(VAD)forEnhancedFullRate(EFR)speechtrafficchannels".[7]GSM06.53:"Digitalcellulartelecommunicationssystem(Phase2+);ANSI-CcodefortheGSMEnhancedFullRate(EFR)speechcodec".[8]GSM06.51:"Digitalcellulartelecommunicationssystem(Phase2+);EnhancedFullRate(EFR)speechcodingfunctions;Generaldescription".SIST EN 300 725 V7.0.1:2003



ETSIETSIEN300725V7.0.1(2000-01)7(GSM06.54version7.0.1Release1998)3Definitionsandabbreviations3.1DefinitionsDefinitionoftermsusedinthepresentdocumentcanbefoundinGSM06.60[2],GSM06.61[3],GSM06.62[4],GSM06.81[5]andGSM06.82[6].3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:ETSEuropeanTelecommunicationStandardGSMGlobalSystemforMobilecommunicationsForabbreviationsnotgiveninthissubclauseseeGSM01.04[1].4GeneralDigitaltestsequencesarenecessarytotestforabitexactimplementationoftheenhancedfullratespeechtranscoder(GSM06.60[2]),DigitaltestVoiceActivityDetection(GSM06.82[6]),comfortnoise(GSM06.62[4])andthediscontinuoustransmission(GSM06.81[5]).ThetestsequencesmayalsobeusedtoverifyinstallationsoftheANSICcodeinGSM06.53[7].Clause5describestheformatofthefileswhichcontainthedigitaltestsequences.Clause6describesthetestsequencesforthespeechtranscoder.Clause7describesthetestsequencesfortheVAD,comfortnoiseanddiscontinuoustransmission.Clause8describesthemethodbywhichsynchronisationisobtainedbetweenthetestsequencesandthespeechcodecundertest.Clause9describesthealternativeacceptancetestingofthespeechencoderanddecoderintheTRAUbymeansof8bitA-orµ-lawcompressedtestsequencesontheA-Interface.Electroniccopiesofthedigitaltestsequencesareprovidedasclause10,thesedigitaltestsequencesarecontainedinthearchive6po03i0o.ZIPwhichaccompaniesthepresentdocument.5TestsequenceformatThisclauseprovidesinformationontheformatofthedigitaltestsequencesfortheGSMenhancedfullratespeechtranscoder(GSM06.60[2]),VoiceActivityDetection(GSM06.82[6]),comfortnoise(GSM06.62[4])andthediscontinuoustransmission(GSM06.81[5]).5.1FileformatThetestsequencefilesareprovidedinarchive6po03i0o.ZIPwhichaccompaniesthepresentdocument.Followingdecompression,fourtypesoffileareprovided:-FilesforinputtotheGSMenhancedfullratespeechencoder:*.INP-Filesforcomparisonwiththeencoderoutput:*.COD-FilesforinputtotheGSMenhancedfullratespeechdecoder:*.DEC-Filesforcomparisonwiththedecoderoutput:*.OUTSIST EN 300 725 V7.0.1:2003



ETSIETSIEN300725V7.0.1(2000-01)8(GSM06.54version7.0.1Release1998)The*.DECfilesaregeneratedfromthecorresponding*.CODfiles.Tables1,2,3and4definetheformatsofthefourtypesoffile.Eachspeechparameterwithinthespeechframeof244bits/20msiscontainedinaserialstringof16bitwords,whereeachwordcontainsthevalueofonebitoftheparameter.Ineachstringofn16bitwordscontainingthenbitsofaparameter,themostsignificantbitoftheparameteriswrittenfirst,andtheleastsignificantbitiswrittenlast.Thebitvaluecontainedinasingle16bitwordiseither0x0000or0x0001(rightjustified)forthebinaryvaluesof“0”and“1”,respectively.Seetable6ofGSM06.60[2]fortheorderofoccurrenceandbitallocationofspeechparameterswithinthespeechframeof244bits/20ms.Thesamplesintheencoderinputsignalandinthedecoderoutputsignalareleftjustified.5.2CodechomingEach*.INPfileincludestwohomingframesatthestartofthetestsequence.Thefunctionoftheseframesistoresetthespeechencoderstatevariablestotheirinitialvalue.InthecaseofacorrectinstallationoftheANSI-Csimulation(GSM06.53[7]),allspeechencoderoutputframesshallbeidenticaltothecorrespondingframeinthe*.CODfile.Inthecaseofacorrecthardwareimplementationundergoingtesting,thefirstspeechencoderoutputframeisundefinedandneednotbeidenticaltothefirstframeinthe*.CODfile,butallremainingspeechencoderoutputframesshallbeidenticaltothecorrespondingframesinthe*.CODfile.Each*.DECfileincludestwohomingframesatthestartofthetestsequence.Thefunctionoftheseframesistoresetthespeechdecoderstatevariablestotheirinitialvalue.InthecaseofacorrectinstallationoftheANSI-Csimulation(GSM06.53[7]),allspeechdecoderoutputframesshallbeidenticaltothecorrespondingframeinthe*.OUTfile.Inthecaseofacorrecthardwareimplementationundergoingtesting,thefirstspeechdecoderoutputframeisundefinedandneednotbeidenticaltofirstframeinthe*.OUTfile,butallremainingspeechdecoderoutputframesshallbeidenticaltothecorrespondingframesinthe*.OUTfile.Table1:Encoderinputsequence(*.INP)formatNameDescriptionNo.ofbitsJustifications(n)Encoderinputsignal13LeftTable2:Encoderoutputsequence(*.COD)formatNameDescriptionNo.ofbitsJustificationSpeechparametersSPEECHSerialstreamofspeechparameterbitstothechannelencoder244RightAdditionalinformationVADSPVoiceactivitydetectionflagSPflag11RightRightTable3:Decoderinputsequence(*.DEC)formatNameDescriptionNo.ofbitsJustificationAdditionalinformationBFIBadFrameIndicatorflag1RightSpeechparametersSPEECHSerialstreamofspeechparameterbitstothechannelencoder244RightAdditionalinformationSIDTAFSilenceDescriptorflagTimeAlignmentFlag11RightRightTable4:Decoderoutputsequence(*.OUT)formatNameDescriptionNo.ofbitsJustifications'(n)Decoderoutputsignal13LeftSIST EN 300 725 V7.0.1:2003



ETSIETSIEN300725V7.0.1(2000-01)9(GSM06.54version7.0.1Release1998)6SpeechcodectestsequencesThisclausedescribesthetestsequencesdesignedtoexercisetheGSMenhancedfullratespeechtranscoder(GSM06.60[2]).6.1CodecconfigurationThespeechencodershallbeconfiguredtooperateinthenon-DTXmode.TheVADandSPflagsshallbesetto1atthespeechencoderoutput.6.2SpeechcodectestsequencesTable5liststhelocationandsizeofthespeechcodectestsequences.6.2.1SpeechencodertestsequencesTwenty-oneencoderinputsequencesareprovided.NotethatfortheinputsequencesTEST0.INPtoTEST3.INP,theamplitudefiguresaregivenin13-bitprecision.TheactivespeechlevelsaregivenindBov.-TEST0.INP-Syntheticharmonicsignal.Thepitchdelayvariesslowlyfrom18to143.5samples.Theminimumandmaximumamplitudesare-997and+971.-TEST1.INP-Syntheticharmonicsignal.Thepitchdelayvariesslowlyfrom144downto18.5samples.Amplitudesatsaturationpoint-4096and+4095.-TEST2.INP-Sinusoidalsweepvaryingfrom150Hzto3400Hz.Amplitudes±1250.-TEST3.INP-Sinusoidalsweepvaryingfrom150Hzto3400Hz.Amplitudes±4000.-TEST4.INP-Femalespeech,activespeechlevel:-19.4dBov,flatfrequencyresponse.-TEST5.INP-Malespeech,activespeechlevel:-18.7dBov,flatfrequencyresponse.-TEST6.INP-Femalespeech,ambientnoise,activespeechlevel:-35.0dBov,flatfrequencyresponse.-TEST7.INP-Fem
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