IEC 61595-2-1997 Multichannel digital audio tape recorder (DATR) reel-to-reel system for professional use - Part 2 Format B《专业用多路数字声频磁带记录器(DATR)系统 第2部分 B格式》.pdf

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1、NORME INTERNATIONALE CEI IEC INTERNATIONAL STANDARD 615952 Premiredition Firstedition 199706 Systmedenregistrementbande audionumriquemultivoies(DATR), bobinebobine,usageprofessionnel Partie2: FormatB Multichanneldigitalaudiotaperecorder(DATR), reeltoreelsystem,forprofessionaluse Part2: FormatB Numro

2、derfrence Referencenumber CEI/IEC615952:1997Validitdelaprsentepublication LecontenutechniquedespublicationsdelaCEIest constammentrevuparlaCEIafinquilreflteltat actueldelatechnique. Desrenseignementsrelatifsladatede reconfirmationdelapublicationsontdisponibles auprsduBureauCentraldelaCEI. Lesrenseign

3、ementsrelatifscesrvisions, ltablissementdesditionsrvisesetaux amendementspeuventtreobtenusauprsdes ComitsnationauxdelaCEIetdanslesdocuments cidessous: BulletindelaCEI AnnuairedelaCEI Publiannuellement CataloguedespublicationsdelaCEI Publiannuellementetmisjourrgulirement Terminologie Encequiconcernel

4、aterminologiegnrale,lelecteur sereporteralaCEI60050: Vocabulaire ElectrotechniqueInternational(VEI),quiseprsente sousformedechapitressparstraitantchacundun sujetdfini.DesdtailscompletssurleVEIpeuvent treobtenussurdemande.Voirgalementle dictionnairemultilinguedelaCEI. Lestermesetdfinitionsfigurantdan

5、slaprsente publicationonttsoittirsduVEI,soit spcifiquementapprouvsauxfinsdecette publication. Symbolesgraphiquesetlittraux Pourlessymbolesgraphiques,lessymboleslittraux etlessignesdusagegnralapprouvsparlaCEI,le lecteurconsultera: laCEI60027: Symboleslittrauxutiliseren lectrotechnique; laCEI60417: Sy

6、mbolesgraphiquesutilisablessur lematriel.Index,relevetcompilationdesfeuilles individuelles; laCEI60617: Symbolesgraphiquespourschmas; etpourlesappareilslectromdicaux, laCEI60878: Symbolesgraphiquespour quipementslectriquesenpratiquemdicale. Lessymbolesetsignescontenusdanslaprsente publicationonttsoi

7、ttirsdelaCEI60027,dela CEI60417,delaCEI60617et/oudelaCEI60878, soitspcifiquementapprouvsauxfinsdecette publication. PublicationsdelaCEItabliesparle mmecomitdtudes Lattentiondulecteurestattiresurleslistesfigurant lafindecettepublication,quinumrentles publicationsdelaCEIprparesparlecomit dtudesquiatab

8、lilaprsentepublication. Validityofthispublication ThetechnicalcontentofIECpublicationsiskeptunder constantreviewbytheIEC,thusensuringthatthe contentreflectscurrenttechnology. Informationrelatingtothedateofthereconfirmation ofthepublicationisavailablefromtheIECCentral Office. Informationontherevision

9、work,theissueofrevised editionsandamendmentsmaybeobtainedfromIEC NationalCommitteesandfromthefollowingIEC sources: IECBulletin IECYearbook Publishedyearly CatalogueofIECpublications Publishedyearlywithregularupdates Terminology Forgeneralterminology,readersarereferredto IEC60050:InternationalElectro

10、technicalVocabulary (IEV),whichisissuedintheformofseparatechapters eachdealingwithaspecificfield.Fulldetailsofthe IEVwillbesuppliedonrequest.SeealsotheIEC MultilingualDictionary. Thetermsanddefinitionscontainedinthepresent publicationhaveeitherbeentakenfromtheIEVor havebeenspecificallyapprovedforthe

11、purposeofthis publication. Graphicalandlettersymbols Forgraphicalsymbols,andlettersymbolsandsigns approvedbytheIECforgeneraluse,readersare referredtopublications: IEC60027:Lettersymbolstobeusedinelectrical technology; IEC60417: Graphicalsymbolsforuseon equipment.Index,surveyandcompilationofthe singl

12、esheets; IEC60617: Graphicalsymbolsfordiagrams; andformedicalelectricalequipment, IEC60878:Graphicalsymbolsforelectromedical equipmentinmedicalpractice. Thesymbolsandsignscontainedinthepresent publicationhaveeitherbeentakenfromIEC 60027, IEC 60417,IEC60617and/orIEC60878,orhave beenspecificallyapprov

13、edforthepurposeofthis publication. IECpublicationspreparedbythesame technicalcommittee Theattentionofreadersisdrawntotheendpagesof thispublicationwhichlisttheIECpublicationsissued bythetechnicalcommitteewhichhaspreparedthe presentpublication.NORME INTERNATIONALE CEI IEC INTERNATIONAL STANDARD 615952

14、 Premiredition Firstedition 199706 Systmedenregistrementbande audionumriquemultivoies(DATR), bobinebobine,usageprofessionnel Partie2: FormatB Multichanneldigitalaudiotaperecorder(DATR), reeltoreelsystem,forprofessionaluse Part2: FormatB CommissionElectrotechniqueInternationale InternationalElectrote

15、chnicalCommission Pourprix,voircatalogueenvigueur Forprice,seecurrentcatalogue IEC1997Droitsdereproductionrservs Copyrightallrightsreserved Aucunepartiedecettepublicationnepeuttrereproduiteni utilisesous quelqueformequecesoitetparaucun procd,lectroniqueoumcanique,ycomprislaphoto copieetlesmicrofilms

16、sanslaccordcritdelditeur. Nopartofthispublicationmaybereproducedorut ilizedin anyformorbyanymeans,electronicormechanical, includingphotocopyingandmicrofilm,withoutpermissionin writingfromthepublisher. InternationalElectrotechnicalCommission 3,ruedeVarembGeneva,Switzerland Telefax:+41229190300 email

17、inmailiec.ch IECwebsitehttp:/www.iec.ch CODEPRIX PRICECODE U2 615952CEI:1997 SOMMAIRE Pages AVANTPROPOS 6 Articles 1 Domainedapplication . 8 2 Rfrencesnormatives . 8 3 Dfinitions. 8 3.1 Fluxdedonnesdunmagntophoneaudionumrique 8 4 Codagenumrique 12 4.1 Frquencedchantillonnage 12 4.2 Chronologiedchan

18、tillonnage 12 4.3 Quantification. 12 5 Vitessededfilement 12 6 Largeurdelabandeetnombredevoiesaudionumriques. 12 7 Enroulementdelabande 14 8 Bobineetnoyau 14 9 Rpartitionettailledespistesmagntiques. 14 10 Affectationdespistesmagntiques . 14 11 Accentuation. 22 12 Enregistrementdelapisteprincipale. 2

19、2 12.1 Mthodedemodulationpourlenregistrement. 22 12.1.1 Rgle1(transitionscentrales) 24 12.1.2 Rgle2(transitionsdebord) 24 12.2 Structuredesblocsdesignaux. 28 12.2.1 Formatdumot . 28 12.2.2 Structuredubloc 28 12.2.3 Motdesynchro/commande. 32 12.3 Attributiondespistesauxvoies 32 12.4 Mthodedeprotectio

20、ncontreleserreurs 40 12.4.1 Entrelacementetsommesdeparit . 40 12.4.2 LemotCRC . 42 12.5 Caractristiquesdenregistrementetdelecture 44 12.5.1 Bandederfrence 44 13 Enregistrementdessouspistes 44 13.1 Voieducodetemporel(pisteducodetemporel) . 44 13.2 Voiededonnesauxiliaires 44 13.2.1 Pistederfrence 44 1

21、3.2.2 Voiededonnesauxiliaires(pistededonnesauxiliaires) 50 13.3 Voieanalogiqueauxiliaire(pistederepragesonore1 et/oupistederepragesonore2). 50615952IEC:1997 3 CONTENTS Page FOREWORD. 7 Clause 1 Scope . 9 2 Normativereferences 9 3 Definitions. 9 3.1 Dataflowofadigitalaudiotaperecorder 9 4 Digitalenco

22、ding 13 4.1 Samplingfrequency . 13 4.2 Samplingtiming . 13 4.3 Quantization 13 5 Tapespeed. 13 6 Tapewidthandnumberofdigitalaudiochannels. 13 7 Tapewinding 15 8 Reelandhub 15 9 Allocationanddimensionofmagnetictracks . 15 10 Assignmentofmagnetictracks 15 11 Emphasis 23 12 Maintrackrecording . 23 12.1

23、 Recordingmodulationmethod 23 12.1.1 Rule1(centretransitions) 25 12.1.2 Rule2(edgetransitions) 25 12.2 Signalblockstructure. 29 12.2.1 Thewordformat. 29 12.2.2 Theblockstructure 29 12.2.3 Thesync/controlword 33 12.3 Tracktochannelassignment . 33 12.4 Errorprotectionmethod . 41 12.4.1 Interleavingand

24、paritysums. 41 12.4.2 TheCRCword . 43 12.5 Recordingandreproducingcharacteristics . 45 12.5.1 Referencetape 45 13 Subtrackrecording 45 13.1 Timecodechannel(timecodetrack) 45 13.2 Auxiliarydatachannel 45 13.2.1 Referencetrack . 45 13.2.2 Auxiliarydatachannel(auxiliarydatatrack) 51 13.3 Auxiliaryanalo

25、guechannel(cueaudio1trackand/orcueaudio2track). 514 615952CEI:1997 Pages 13.4 Alignementdessignauxaudionumriquesetdessignauxdessouspistes 50 13.4.1 Alignementdessignauxderepragesonore1etderepragesonore2 50 13.4.2 Alignementdusignaldepistedecodetemporel . 50 13.4.3 Alignementdusignaldepistederfrence.

26、 50 AnnexeABibliographie. 52 Tableaux 1 Largeurdelabandeetnombredevoiesaudionumriques. 14 2 Affectationdespistes 14 3 Structuredebloc. 28 4 Caspour24voies . 34 5 Caspour48voies . 36 6 Caspour96voies . 38 Figures 1 Fluxdedonnesdesvoieslectroacoustiquesprincipalesdunmagntophone audionumrique(DATR) 10

27、2 Voiesdenregistrementdunmagntophoneaudionumrique(DATR) 10 3 Voiesdelecturedunmagntoscopeaudionumrique(DATR) . 12 4 Dispositiondespistespourunmagntophoneaudionumrique(DATR) surunebandemagntique(28pistes,avecunelargeurdebandede12,7mm). 16 5 Dispositiondespistespourunmagntoscopeaudionumrique(DATR) sur

28、unebandemagntique(52pistes,avecunelargeurdebandede12,7mm). 18 6 Dispositiondespistespourunmagntoscopeaudionumrique(DATR) surunebandemagntique(103pistes,avecunelargeurdebandede25,4mm) . 20 7 Caractristiquesdelaccentuation . 22 8 Rgle1(transitionscentrales). 24 9 Rgle2(transitionsdebord)cas1 26 10 Rgl

29、e2(transitionsdebord)cas2 26 11 Rgle2(transitionsdebord)cas3 28 12 Adressedebloc 30 13 Structureglobaledesblocsdesignaux 30 14 ChronogrammedumotdeSynchro/Commande. 32 15 CalculdesmotsdecontrlePetQ . 40 16 Contenudunblocrelatifunesquencedentredunepiste . 42 17 EtendueduCRC . 42 18 Rglesducodagebiphas

30、emarque . 46 19 Formatdumotdelapistederfrence . 46 20 Motifdelasynchronisationetdfinitiondudbutdunsecteur . 48 21 Motdecommande 48 22 PlagedecalculutiledumotCRC 50615952IEC:1997 5 Page 13.4 Alignmentofdigitalaudiosignalsandsubtracksignals. 51 13.4.1 Alignmentofcueaudio1andcueaudio2tracksignals 51 13

31、4.2 Alignmentoftimecodetracksignal 51 13.4.3 Alignmentofreferencetracksignal. 51 AnnexABibliography 53 Tables 1 Tapewidthandnumberofdigitalaudiochannels. 15 2 Trackassignment 15 3 Blockstructure 29 4 24channelversion 35 5 48channelversion 37 6 96channelversion 39 Figures 1 Dataflowofthemainaudiocha

32、nnelsofaDATR(digitalaudiotaperecorder) 11 2 RecordingchannelsofaDATR(digitalaudiotaperecorder) 11 3 ReproducingchannelsofaDATR(digitalaudiotaperecorder) 13 4 TrackpatternforDATRonmagnetictape(28trackswith12,7mmtapewidth) 17 5 TrackpatternforDATRonmagnetictape(52trackswith12,7mmtapewidth) 19 6 Trackp

33、atternforDATRonmagnetictape(103trackswith25,4mmtapewidth) 21 7 Emphasischaracteristics. 23 8 Rule1(centretransitions) . 25 9 Rule2(edgetransitions)case1 27 10 Rule2(edgetransitions)case2 27 11 Rule2(edgetransitions)case3 29 12 Blockaddress . 31 13 Thetotalsignalblockstructure 31 14 Timediagramofthes

34、ync/controlword 33 15 ComputationofPandQcheckwords 41 16 Contentsofoneblock,referredtoonetrackinputsequence 43 17 RangeofCRCword 43 18 Biphasemarkcodingrules 47 19 Wordformatofthereferencetrackword . 47 20 Thesynchronizationpatternanddefinitionofthebeginningofasector 49 21 Controlword . 49 22 Effect

35、ivecomputationrangeoftheCRCword 516 615952CEI:1997 COMMISSIONLECTROTECHNIQUEINTERNATIONALE _ SYSTMEDENREGISTREMENTBANDEAUDIONUMRIQUE MULTIVOIE(DATR),BOBINEBOBINE,USAGEPROFESSIONNEL Partie2:FormatB AVANTPROPOS 1) LaCEI(CommissionElectrotechniqueInternationale)estuneorganisationmondialedenormalisation

36、compose delensembledescomitslectrotechniquesnationaux(ComitsnationauxdelaCEI).LaCEIapourobjetde favoriserlacooprationinternationalepourtouteslesquestionsdenormalisationdanslesdomainesde llectricitetdellectronique.Aceteffet,laCEI,entreautresactivits,publiedesNormesInternationales. Leurlaborationestco

37、nfiedescomitsdtudes,auxtravauxdesquelstoutComitnationalintressparle sujettraitpeutparticiper.Lesorganisationsinternationales,gouvernementalesetnongouvernementales,en liaisonaveclaCEI,participentgalementauxtravaux.LaCEI collaboretroitementaveclOrganisation InternationaledeNormalisation(ISO),selondesc

38、onditionsfixesparaccordentrelesdeuxorganisations. 2) LesdcisionsouaccordsofficielsdelaCEIconcernantlesquestionstechniquesreprsentent,danslamesure dupossibleunaccordinternationalsurlessujetstudis,tantdonnquelesComitsnationauxintresss sontreprsentsdanschaquecomitdtudes. 3) Lesdocumentsproduitsseprsent

39、entsouslaformederecommandationsinternationales.Ilssontpublis commenormes,rapportstechniquesouguidesetagrscommetelsparlesComitsnationaux. 4) Danslebutdencouragerlunificationinternationale,lesComitsnationauxdelaCEIsengagentappliquerde faontransparente,danstoutelamesurepossible,lesNormesinternationales

40、delaCEIdansleursnormes nationalesetrgionales.ToutedivergenceentrelanormedelaCEIetlanormenationaleourgionale correspondantedoittreindiqueentermesclairsdanscettedernire. 5) LaCEInafixaucuneprocdureconcernantlemarquagecommeindicationdapprobationetsaresponsabilit nestpasengagequandunmatrielestdclarconfo

41、rmelunedesesnormes. 6) LattentionestattiresurlefaitquecertainsdeslmentsdelaprsenteNormeinternationalepeuventfaire lobjetdedroitsdepropritintellectuelleoudedroitsanalogues.LaCEI nesauraittretenuepour responsabledenepasavoiridentifidetelsdroitsdepropritetdenepasavoirsignalleurexistence. LaNormeinterna

42、tionaleCEI615952attablieparlesouscomit100B:Enregistrement, ducomitdtudes100delaCEI:Systmesetappareilsaudio,vidoetmultimdia. Letextedecettenormeestissudesdocumentssuivants: FDIS Rapportdevote 100B/49/FDIS 100B/67/RVD Lerapportdevoteindiqudansletableaucidessusdonnetouteinformationsurlevoteayant aboutilapprobationdecettenorme. LaCEI61595comprendlespartiessuivantes,prsentessousletitregnral:Systme denregistrementbandeaudionumriquemultivoie(DATR),bobinebobine,usage professionnel: Partie1:FormatA Partie2:FormatB Partie3:Utili

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