SIST EN 301 713 V7.0.3:2003
(Main)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)
General Information
- Abstract
Adaptive Multi- Rate (AMR) Test sequences
- Status
- Published
- Publication Date
- 30-Nov-2003
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Dec-2003
- Due Date
- 01-Dec-2003
- Completion Date
- 01-Dec-2003
- Mandate
- T-172
Overview
SIST EN 301 713 V7.0.3:2003 specifies the digital test sequences for the Adaptive Multi-Rate (AMR) speech codec within the Global System for Mobile Communications (GSM) Phase 2+ environment. Developed by the Slovenski inštitut za standardizacijo (SIST) and harmonized with the corresponding ETSI standard (EN 301 713), this document provides essential guidelines and test vectors for verifying and validating implementations of the AMR speech transcoder, including bit-exact operation, voice activity detection (VAD), comfort noise generation, and discontinuous transmission (DTX).
The standard's primary focus is to ensure interoperability, reliability, and robustness for digital cellular telecommunication systems using AMR codecs. It covers both normal and discontinuous operation modes and supports diverse GSM network testing requirements.
Key Topics
- Adaptive Multi-Rate (AMR) Codec Testing: Test sequences support the evaluation of speech codec encoding and decoding performance across all AMR modes.
- Bit-Exact Validation: Ensures that a given implementation matches the reference for both software and hardware under standardized conditions.
- Voice Activity Detection (VAD): Provides sequences to evaluate VAD algorithms as specified for AMR GSM scenarios.
- Comfort Noise Generation: Methods for testing comfort noise insertion during silence or inactive periods.
- Discontinuous Transmission (DTX) Tests: Assesses the effectiveness of DTX in saving bandwidth and power.
- Synchronization Sequences: Procedures to achieve both bit and frame synchronization for accurate testing.
- Alternative Testing with A-law and µ-law PCM: Allows codec testing using 8-bit compressed PCM suitable for traditional telephony interfaces.
- Support for Multiple Network Interfaces: Includes testing mechanisms for both mobile station (MS) and network (TRAU) environments.
Applications
This standard is foundational for manufacturers, developers, and network operators of GSM-based digital cellular equipment who require rigorous testing and validation of AMR codec implementations. Key application areas include:
- Product Development: Ensures that AMR codec implementations conform to GSM Phase 2+ specifications before deployment.
- Interoperability Testing: Facilitates standardized codec behavior across multiple vendors and operators for seamless GSM communication.
- Quality Assurance: Provides the necessary tools and test data to validate bit-exact encoder and decoder outputs during internal or third-party compliance evaluations.
- Network Optimization: Verifies the performance of voice activity detection, comfort noise, and DTX features, which are critical for bandwidth efficiency and user experience.
- System Integration: Supports end-to-end testing during integration of transcoders, MS, TRAU, and network elements.
- Regression and Acceptance Testing: Supplies reference sequences for ongoing verification amid software updates or hardware revisions.
Related Standards
For comprehensive GSM and AMR speech codec testing and interoperability, the following international standards are closely associated:
- GSM 06.71: General description of AMR speech processing functions
- GSM 06.73: ANSI-C code reference for the GSM AMR codec
- GSM 06.74: Test sequences for the AMR speech codec (core reference)
- GSM 06.90: AMR speech transcoding specification
- GSM 06.92: Comfort noise aspects for AMR speech traffic channels
- GSM 06.93: DTX requirements for AMR speech channels
- GSM 06.94: Voice Activity Detection (VAD) in AMR
- EN 301 713: European harmonized AMR speech codec test sequences standard (ETSI)
For organizations engaged in GSM device or infrastructure certification, adherence to SIST EN 301 713 and its related standards is essential for global market acceptance, regulatory compliance, and delivering consistent voice quality across networks.
Keywords: SIST EN 301 713, GSM, Adaptive Multi-Rate, AMR, speech codec, test sequences, voice activity detection, comfort noise, discontinuous transmission, codec validation, GSM Phase 2+.
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Frequently Asked Questions
SIST EN 301 713 V7.0.3:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "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)". This standard covers: Adaptive Multi- Rate (AMR) Test sequences
Adaptive Multi- Rate (AMR) Test sequences
SIST EN 301 713 V7.0.3:2003 is classified under the following ICS (International Classification for Standards) categories: 33.070.50 - Global System for Mobile Communication (GSM). The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 301 713 V7.0.3:2003 is associated with the following European legislation: Standardization Mandates: T-172. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
SIST EN 301 713 V7.0.3:2003 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
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
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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