IEC 62156-2001 Digital video recording with video compression 12 65 mm type D-9 component format 525 60 and 625 50 (DIGITAL S)《视频压缩12.65mmD-9型元件格式525 60及625 50(数字S)的数字录象》.pdf

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1、NORMEINTERNATIONALECEIIECINTERNATIONALSTANDARD62156Premire ditionFirst edition2001-10Enregistrement vido numrique aveccompression vido sur bandes de 12,65 mmformat composante 525/60 et 625/50(numrique S) type D-9Digital video recording with video compression12,65 mm type D-9 component format 525/60

2、and625/50 (digital S)Numro de rfrenceReference numberCEI/IEC 62156:2001Numrotation des publicationsDepuis le 1er janvier 1997, les publications de la CEIsont numrotes partir de 60000. Ainsi, la CEI 34-1devient la CEI 60034-1.Editions consolidesLes versions consolides de certaines publications de laC

3、EI incorporant les amendements sont disponibles. Parexemple, les numros ddition 1.0, 1.1 et 1.2 indiquentrespectivement la publication de base, la publication debase incorporant lamendement 1, et la publication debase incorporant les amendements 1 et 2.Informations supplmentairessur les publications

4、 de la CEILe contenu technique des publications de la CEI estconstamment revu par la CEI afin quil reflte ltatactuel de la technique. Des renseignements relatifs cette publication, y compris sa validit, sont dispo-nibles dans le Catalogue des publications de la CEI(voir ci-dessous) en plus des nouve

5、lles ditions,amendements et corrigenda. Des informations sur lessujets ltude et lavancement des travaux entreprispar le comit dtudes qui a labor cette publication,ainsi que la liste des publications parues, sontgalement disponibles par lintermdiaire de: Site web de la CEI (www.iec.ch) Catalogue des

6、publications de la CEILe catalogue en ligne sur le site web de la CEI(www.iec.ch/catlg-f.htm) vous permet de faire desrecherches en utilisant de nombreux critres,comprenant des recherches textuelles, par comitdtudes ou date de publication. Des informationsen ligne sont galement disponibles sur lesno

7、uvelles publications, les publications rempla-ces ou retires, ainsi que sur les corrigenda. IEC Just PublishedCe rsum des dernires publications parues(www.iec.ch/JP.htm) est aussi disponible parcourrier lectronique. Veuillez prendre contactavec le Service client (voir ci-dessous) pour plusdinformati

8、ons. Service clientsSi vous avez des questions au sujet de cettepublication ou avez besoin de renseignementssupplmentaires, prenez contact avec le Serviceclients:Email: custserviec.chTl: +41 22 919 02 11Fax: +41 22 919 03 00Publication numberingAs from 1 January 1997 all IEC publications areissued w

9、ith a designation in the 60000 series. Forexample, IEC 34-1 is now referred to as IEC 60034-1.Consolidated editionsThe IEC is now publishing consolidated versions of itspublications. For example, edition numbers 1.0, 1.1and 1.2 refer, respectively, to the base publication,the base publication incorp

10、orating amendment 1 andthe base publication incorporating amendments 1and 2.Further information on IEC publicationsThe technical content of IEC publications is keptunder constant review by the IEC, thus ensuring thatthe content reflects current technology. Informationrelating to this publication, in

11、cluding its validity, isavailable in the IEC Catalogue of publications(see below) in addition to new editions, amendmentsand corrigenda. Information on the subjects underconsideration and work in progress undertaken by thetechnical committee which has prepared thispublication, as well as the list of

12、 publications issued,is also available from the following: IEC Web Site (www.iec.ch) Catalogue of IEC publicationsThe on-line catalogue on the IEC web site(www.iec.ch/catlg-e.htm) enables you to searchby a variety of criteria including text searches,technical committees and date of publication. On-l

13、ine information is also available on recentlyissued publications, withdrawn and replacedpublications, as well as corrigenda. IEC Just PublishedThis summary of recently issued publications(www.iec.ch/JP.htm) is also available by email.Please contact the Customer Service Centre (seebelow) for further

14、information. Customer Service CentreIf you have any questions regarding thispublication or need further assistance, pleasecontact the Customer Service Centre:Email: custserviec.chTel: +41 22 919 02 11Fax: +41 22 919 03 00.NORMEINTERNATIONALECEIIECINTERNATIONALSTANDARD62156Premire ditionFirst edition

15、2001-10Enregistrement vido numrique aveccompression vido sur bandes de 12,65 mmformat composante 525/60 et 625/50(numrique S) type D-9Digital video recording with video compression12,65 mm type D-9 component format 525/60 and625/50 (digital S)Commission Electrotechnique InternationaleInternational E

16、lectrotechnical CommissionPour prix, voir catalogue en vigueurFor price, see current catalogue IEC 2001 Droits de reproduction rservs Copyright - all rights reservedAucune partie de cette publication ne peut tre reproduite niutilise sous quelque forme que ce soit et par aucun procd,lectronique ou mc

17、anique, y compris la photocopie et lesmicrofilms, sans laccord crit de lditeur.No part of this publication may be reproduced or utilized inany form or by any means, electronic or mechanical,including photocopying and microfilm, without permission inwriting from the publisher.International Electrotec

18、hnical Commission 3, rue de Varemb Geneva, SwitzerlandTelefax: +41 22 919 0300 e-mail: inmailiec.ch IEC web site http:/www.iec.chCODE PRIXPRICE CODE XF 2 62156 CEI:2001SOMMAIREAVANT PROPOS 121 Domaine dapplication 142 Rfrences normatives.143 Abrviations .164 Environnement et conditions dessai.184.1

19、Environnement 184.2 Bande de rfrence.184.3 Bande dtalonnage.185 Vidocassette.185.1 Spcifications gnrales185.2 Plan de rfrence185.3 Fentre et tiquettes .205.4 Couleur .205.5 Trou de prvention deffacement accidentel.205.6 Bande vido 205.7 Amorce de dbut et de fin de bande 225.8 Bobines.245.9 Couvercle

20、 de protection.246 Enregistrements hlicodaux Caractristiques physiques.266.1 Vitesse de la bande.266.2 Secteurs266.3 Emplacement et dimensions denregistrement.266.4 Zones de tolrance des pistes hlicodales enregistres .266.5 Emplacements relatifs des informations enregistres 286.6 Azimut dentrefer.28

21、6.7 Transport et dispositif de balayage287 Enregistrements hlicodaux Caractristiques lectriques .307.1 Contenu de piste .307.2 Traitement des signaux .307.3 Magntisation328 Donnes de piste de programme 348.1 Secteur ITI 348.2 Secteur audio348.3 Secteur vido 408.4 Secteur de code auxiliaire .428.5 In

22、tervalle de montage469 Pistes longitudinales.469.1 Piste dasservissement469.2 Piste dordres 4810 Traitement audio 4810.1 Introduction .4810.2 Mode de codage5010.3 Attribution de voie audio5010.4 Structure de trame 5062156 IEC:2001 3 CONTENTSFOREWORD.71 Scope.152 Normative references .153 Abbreviatio

23、ns .174 Environment and test conditions.194.1 Environment194.2 Reference tape194.3 Calibration tape.195 Video tape cassette195.1 General specifications .195.2 Datum plane195.3 Window and labels 215.4 Colour .215.5 Accidental erasure prevention hole215.6 Video tape.215.7 Leader/trailer tape.235.8 Ree

24、ls.255.9 Lid.256 Helical recording physical characteristics 276.1 Tape speed .276.2 Sectors276.3 Record location and dimensions276.4 Helical track record tolerance zones276.5 Relative positions of recorded information .296.6 Gap azimuth296.7 Transport and scanner 297 Helical recording electrical cha

25、racteristics .317.1 Track contents.317.2 Signal processing317.3 Magnetization338 Programme track data 358.1 ITI sector.358.2 Audio sector 358.3 Video sector 418.4 Subcode sector .438.5 Edit gap.479 Longitudinal tracks .479.1 Control track .479.2 Cue track 4910 Audio processing4910.1 Introduction .49

26、10.2 Encoding mode .5110.3 Audio channel allocation5110.4 Frame structure.51 4 62156 CEI:200110.5 Brassage audio .5210.6 Donnes audio auxiliaires (AAUX).5410.7 Ajout de code de correction derreur5811 Traitement vido.6011.1 Introduction .6011.2 Structure vido6211.3 Traitement DCT.6811.4 Quantificatio

27、n 7211.5 Codage de longueur variable (VLC).7411.6 Disposition dun macro bloc compress.7611.7 Disposition dun segment vido .7611.8 Relation entre le macro bloc compress et le bloc de synchronisation dedonnes 8011.9 Rorganisation des macro blocs compresss 8011.10 Donnes auxiliaires vido (VAUX) .8211.1

28、1 Ajout de code de correction derreur9012 Traitement de code auxiliaire9212.1 Introduction .9212.2 Donnes de code auxiliaire .9212.3 Ajout de code de correction derreur9413 Interface.9613.1 Introduction .9613.2 Structure des donnes 9613.3 Ordre de transmission .11013.4 Dure de trame .11213.5 Vitesse

29、 de lecture112Figure 1 Dimensions et forme gnrale de la cassette .154Figure 2 Dimensions Vue de dessus et latrale de la cassette (1).156Figure 3 Dimensions Vue de dessus et latrale de la cassette (2).158Figure 4 Dimensions Vue de dessous et latrale de la cassette (1).160Figure 5 Dimensions Vue de de

30、ssous et latrale de la cassette (2).162Figure 6 Dimensions Vue de dessous et latrale de la cassette (3).164Figure 7 Plan de rfrence Z et zones de support de cassette .166Figure 8 Trous de dtection .168Figure 9 Construction de lintrieur dune cassette.170Figure10 Dimensions de la bobine .172Figure 11

31、Relation bobine et disque de bobine.174Figure 12 Bobinage de bande et angle dextraction de la bande.176Figure 13 Dverrouillage du frein de bobine.178Figure 14 Vue du verrouillage et de louverture / de la fermeture du couvercle avant .180Figure 15 Vue douverture / de fermeture du couvercle arrire.182

32、Figure 16 Zone pour mcanisme de chargement de la bande.184Figure 17 Positions des vis de fixation des moitis infrieure et suprieure de cassette.186Figure 18 Emplacement et dimensions des pistes enregistres18862156 IEC:2001 5 10.5 Audio shuffling 5310.6 Audio auxiliary data (AAUX) 5510.7 Error correc

33、tion code addition .5911 Video processing6111.1 Introduction .6111.2 Video structure6311.3 DCT processing.6911.4 Quantization7311.5 Variable length coding (VLC).7511.6 The arrangement of a compressed macro block 7711.7 Arrangement of a video segment .7711.8 Relationship between compressed macro bloc

34、k and data-sync block.8111.9 Re-ordering of compressed macro blocks8111.10 Video auxiliary data (VAUX) 8311.11 Error correction code addition .9112 Subcode processing .9312.1 Introduction .9312.2 Subcode data 9312.3 Error correction code addition .9513 Interface.9713.1 Introduction .9713.2 Data stru

35、cture .9713.3 Transmission order11113.4 Frame period.11313.5 Playback speed.113Figure 1 Cassette overall shape and dimensions .155Figure 2 Cassette top and side view dimensions (1).157Figure 3 Cassette top and side view dimensions (2).159Figure 4 Cassette bottom and side view dimensions (1).161Figur

36、e 5 Cassette bottom and side view dimensions (2).163Figure 6 Cassette bottom and side view dimensions (3).165Figure 7 Cassette datum plane Z and supporting areas167Figure 8 Detector holes169Figure 9 Cassette internal construction 171Figure 10 Reel dimensions.173Figure 11 Reel and reel disk relations

37、hip .175Figure 12 Tape winding and tape pull out angle .177Figure 13 Reel brake release .179Figure 14 Front cover lock and open/close view.181Figure 15 Rear cover open/close view .183Figure 16 Area for tape loading mechanism .185Figure 17 Cassette top and bottom half securing screw positions.187Figu

38、re 18 Location and dimensions of recorded tracks.189 6 62156 CEI:2001Figure 19 Emplacement du secteur par rapport au point de rfrence de la zone deprogramme .188Figure 20 Emplacement et dimensions de la zone de tolrance denregistrementhlicodal 190Figure 21a Configuration possible du systme de balaya

39、ge (systmes 525/60 et625/50) Vue de dessus 192Figure 21b Configuration possible du systme de balayage (systmes 525/60 et625/50) Vue latrale 192Figure 21c Configuration possible du systme de balayage (systmes 525/60 et625/50) Vue latrale avec tte de piste dasservissement 194Figure 22 Disposition du s

40、ecteur sur une piste hlicodale unique (systmes 525/60et 625/50) .196Figure 23 Suite de bits avant modulation NRZI entrelace .198Figure 24 Pr-codage 198Figure 25 Structure de secteur ITI198Figure 26 Structure de secteur audio aprs modulation 24-25198Figure 27 Structure des blocs de synchronisation da

41、ns le secteur audio 200Figure 28 Structure du secteur vido aprs modulation 24-25 200Figure 29 Structure des blocs de synchronisation dans le secteur vido 202Figure 30 Structure du secteur de code auxiliaire aprs modulation 24-25 .202Figure 31 Structure des blocs de synchronisation dans le secteur de

42、 code auxiliaire .204Figure 32 Structure des donnes dID 206Figure 33 Polarit de flux de la piste dasservissement 206Figure 34 Niveaux de flux 208Figure 35 Conversion de lchantillon en octets de donnes pour 16 bits .208Figure 36 Motif de brassage audio pour systmes 525/60210Figure 37 Motif de brassag

43、e audio pour systmes 625/50212Figure 38 Disposition des paquets AAUX dans le secteur audio.214Figure 39 Echantillons de transmission pour systmes 525/60.216Figure 40 Echantillons de transmission pour systmes 625/50.218Figure 41 Bloc DCT et coordonnes de pixel .218Figure 42 Disposition de bloc DCT.22

44、0Figure 43 Macro bloc et blocs DCT 220Figure 44 Super blocs et macro blocs dans une trame vido pour systmes 525/60.222Figure 45 Super blocs et macro blocs dans une trame vido pour systmes 625/50.224Figure 46 Ordre de macro bloc dans un super bloc 226Figure 47 Ordre de sortie dun bloc DCT pondr 226Fi

45、gure 48 Mthode de mesure de la prcision de fonctionnement DCT 226Figure 49 Numro de zone.228Figure 50 Disposition de macro bloc compress 228Figure 51 Disposition de segment vido aprs rduction de dbit binaire.230Figure 52 Code derreur vido230Figure 53 Relation entre le numro de macro bloc et le bloc

46、de synchronisation dedonnes pour le secteur 0.232Figure 54 Relation entre le numro de macro bloc et le bloc de synchronisation dedonnes pour le secteur 1.23462156 IEC:2001 7 Figure 19 Sector location from programme area reference point 189Figure 20 Location and dimensions of tolerance zone of helica

47、l track record191Figure 21a Possible scanner configuration (525/60 and 625/50 system)-Overhead view 193Figure 21b Possible scanner configuration (525/60 and 625/50 system)-Side view 193Figure 21c Possible scanner configuration (525/60 and 625/50 system)-Side viewwith control track head195Figure 22 S

48、ector arrangement on single helical track (525/60 and 625/50 systems).197Figure 23 Bit stream before interleaved NRZI modulation 199Figure 24 Pre-coding .199Figure 25 Structure of ITI sector 199Figure 26 Structure of audio sector after 24-25 modulation 199Figure 27 Structure of sync blocks in audio sector .201Figure 28 Structure of video sector after 24-25 modulation 201Figure 29 Structure of sync blocks in video sector .203Figure 30 Stru

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