1、BRITISH STANDARD BS EN 62156:2001 Digital video recording with video compression 12,65 mm type D-9 component format 525/60 and 625/50 (digital S) The European Standard EN 62156:2001 has the status of a British Standard ICS 33.160.40 BS EN 62156:2001 This British Standard, having been prepared under
2、the direction of the Electrotechnical Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 28 October 2002 BSI 28 October 2002 ISBN 0 580 40630 X National foreword This British Standard is the official English language version of E
3、N 62156:2001. It is identical with IEC 62156:2001. The UK participation in its preparation was entrusted to Technical Committee EPL/100, Audio, video and multimedia systems and equipment, which has the responsibility to: A list of organizations represented on this committee can be obtained on reques
4、t to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Ele
5、ctronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to
6、 understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document co
7、mprises a front cover, an inside front cover, the EN title page, pages 2 to 129 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEAN STANDARD EN 62156 NORME EUROPENNE EUROPI
8、SCHE NORM December 2001 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2001 CENELEC - All rights of exploitation in any form an
9、d by any means reserved worldwide for CENELEC members. Ref. No. EN 62156:2001 E ICS 33.160.40 English version Digital video recording with video compression 12,65 mm type D-9 component format 525/60 and 625/50 (digital S) (IEC 62156:2001) Enregistrement vido numrique avec compression vido sur bandes
10、 de 12,65 mm format composante 525/60 et 625/50 (numrique S) type D-9 (CEI 62156:2001) Digitale Videoaufzeichnung mit Videokompression 12,65 mm D-9-Komponentenformat 525-60 und 625-50 (Digital-S) (IEC 62156:2001) This European Standard was approved by CENELEC on 2001-12-01. CENELEC members are bound
11、 to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Cen
12、tral Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same s
13、tatus as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.Forewo
14、rd The text of document 100/394/FDIS, future edition 1 of IEC 62156, prepared by IEC TC 100, Audio, video and multimedia systems and equipment, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 62156 on 2001-12-01. The following dates were fixed: latest date by which t
15、he EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2002-09-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2004-12-01 Annexes designated “normative“ are part of the body of the stand
16、ard. In this standard, annex ZA is normative. Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 62156:2001 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following note has to b
17、e added for the standard indicated: IEC 60735 NOTE Harmonized as EN 60735:1991 (not modified). _ Page2 EN62156:2001 65126 IEC:0201 3 CONTENTS 1 Scope.8 2 Normative references .8 3 Abbreviations .9 4 Environment and test conditions.10 4.1 Environment10 4.2 Reference tape10 4.3 Calibration tape.10 5 V
18、ideo tape cassette10 5.1 General specifications.10 5.2 Datum plane10 5.3 Window and labels 11 5.4 Colour .11 5.5 Accidental erasure prevention hole11 5.6 Video tape.11 5.7 Leader/trailer tape.12 5.8 Reels.13 5.9 Lid.13 6 Helical recording physical characteristics 14 6.1 Tape speed .14 6.2 Sectors14
19、6.3 Record location and dimensions14 6.4 Helical track record tolerance zones14 6.5 Relative positions of recorded information.15 6.6 Gap azimuth15 6.7 Transport and scanner 15 7 Helical recording electrical characteristics .16 7.1 Track contents.16 7.2 Signal processing16 7.3 Magnetization17 8 Prog
20、ramme track data 18 8.1 ITI sector.18 8.2 Audio sector18 8.3 Video sector21 8.4 Subcode sector .22 8.5 Edit gap.24 9 Longitudinal tracks .24 9.1 Control track .24 9.2 Cue track 25 10 Audio processing25 10.1 Introduction .25 10.2 Encoding mode .26 10.3 Audio channel allocation26 10.4 Frame structure.
21、26 Page3 EN62156:200165126 IEC:0201 5 10.5 Audio shuffling 27 10.6 Audio auxiliary data (AAUX) 28 10.7 Error correction code addition .30 11 Video processing31 11.1 Introduction .31 11.2 Video structure32 11.3 DCT processing.35 11.4 Quantization37 11.5 Variable length coding (VLC).38 11.6 The arrang
22、ement of a compressed macro block 39 11.7 Arrangement of a video segment.39 11.8 Relationship between compressed macro block and data-sync block.41 11.9 Re-ordering of compressed macro blocks41 11.10Video auxiliary data (VAUX) 42 11.11Error correction code addition .46 12 Subcode processing .47 12.1
23、 Introduction .47 12.2 Subcode data 47 12.3 Error correction code addition .48 13 Interface.49 13.1 Introduction .49 13.2 Data structure .49 13.3 Transmission order 56 13.4 Frame period. 57 13.5 Playback speed. 57 Figure 1 aC ssette overall shape and dimnesiosn . 81 Figure 2 aC ssette toa pnd side v
24、iew dimnesiosn (1). 97 Figure 3 aC ssette toa pnd side view dimnesiosn (2). 08 Figure 4 aC ssette bottmo and side view dimnesiosn (1). 18 Figure 5 aC ssette bottmo and side view dimnesoins (2). 28 Figure 6 aC ssette bottmo and side view dimnesiosn (3). 38 Figure 7 aCssette datum plane Z nad supporti
25、ng araes 48 Figure 8 D eetctro holes 58 Figure 9 aC ssette interanl construction 68 Figure 10 Rele idmensinos. 78 Figure 11 Rele and reel disk relatinoship . 88 Figure 12 Tape windign nad tape uplo lut angle . 98 Figure 13 Rele brake release. 09 Figure 14 Front cover lock and oepn/close view. 19 Fig
26、ure 15 Rera cover oepn/close view . 29 Figure 16 Area for tape loading mechanism . 39 FigurC 71 eassettpot e b dnaottom half seucrign csrwe opstiions. 49 Figure 18 Locatino and dimnesisno fo recorded tracks. 59 Page4 EN62156:2001 62156 IEC:2001 5 10.5 Audio shuffling 72 10.6 Audio auxiilary data (AA
27、UX) 82 10.7 Error correction code dadition .03 11 Viedo processing31 11.1 Intrdouction .31 11.2 Viedo structure23 11.3 TCD processing.53 11.4 Quantization73 11.5 Varibale lnegth cdoing (VLC).83 11.6 Teh arrangemtne fo a compressed macro block 93 11.7 Arragnemtne fo a viedo segment.93 11.8 Relatinosh
28、ip between compressde macro block and adat-sync block.14 11.9 eR-ordering fo compressed macro blocks41 11.10Viedo auxiilary data (AVUX) 24 11.11Errro correction code dadition .64 21 Sbucode processing .74 12.1 Intrdouction .74 12.2 Sbucode daat 74 12.3 Error correction code dadition .84 31 Inetrface
29、.94 13.1 Intrdouction .94 13.2 Daat strucutre .94 13.3 Trnasmission order 65 13.4 Framep eriod. 75 13.5 Playabck speed. 75 Figure 1 Cassette overall shape and dimensions . 78 Figure 2 Cassette top and side view dimensions (1). 79 Figure 3 Cassette top and side view dimensions (2). 80 Figure 4 Casset
30、te bottom and side view dimensions (1). 81 Figure 5 Cassette bottom and side view dimensions (2). 82 Figure 6 Cassette bottom and side view dimensions (3). 83 Figure 7 Cassette datum plane Z and supporting areas 84 Figure 8 Detector holes 85 Figure 9 Cassette internal construction 86 Figure 10 Reel
31、dimensions. 87 Figure 11 Reel and reel disk relationship . 88 Figure 12 Tape winding and tape pull out angle . 89 Figure 13 Reel brake release. 90 Figure 14 Front cover lock and open/close view. 91 Figure 15 Rear cover open/close view . 92 Figure 16 Area for tape loading mechanism . 93 Figure 17 Cas
32、sette top and bottom half securing screw positions. 94 Figure 18 Location and dimensions of recorded tracks. 95 4egaP 1002:65126NE Annex ZA (normative) Normative references to international publications with their corresponding European publications 128 62156 IEC:2001 5 10.5 Audio shuffling 72 10.6
33、Audio auxiilary data (AAUX) 82 10.7 Error correction code dadition .03 11 Viedo processing31 11.1 Intrdouction .31 11.2 Viedo structure23 11.3 TCD processing.53 11.4 Quantization73 11.5 Varibale lnegth cdoing (VLC).83 11.6 Teh arrangemtne fo a compressed macro block 93 11.7 Arragnemtne fo a viedo se
34、gment.93 11.8 Relatinoship between compressde macro block and adat-sync block.14 11.9 eR-ordering fo compressed macro blocks41 11.10Viedo auxiilary data (AVUX) 24 11.11Errro correction code dadition .64 21 Sbucode processing .74 12.1 Intrdouction .74 12.2 Sbucode daat 74 12.3 Error correction code d
35、adition .84 31 Inetrface.94 13.1 Intrdouction .94 13.2 Daat strucutre .94 13.3 Trnasmission order 65 13.4 Framep eriod. 75 13.5 Playabck speed. 75 Figure 1 Cassette overall shape and dimensions . 18 Figure 2 Cassette top and side view dimensions (1). 79 Figure 3 Cassette top and side view dimensions
36、 (2). 80 Figure 4 Cassette bottom and side view dimensions (1). 81 Figure 5 Cassette bottom and side view dimensions (2). 82 Figure 6 Cassette bottom and side view dimensions (3). 83 Figure 7 Cassette datum plane Z and supporting areas 84 Figure 8 Detector holes 85 Figure 9 Cassette internal constru
37、ction 86 Figure 10 Reel dimensions. 87 Figure 11 Reel and reel disk relationship . 88 Figure 12 Tape winding and tape pull out angle . 89 Figure 13 Reel brake release. 90 Figure 14 Front cover lock and open/close view. 91 Figure 15 Rear cover open/close view . 92 Figure 16 Area for tape loading mech
38、anism . 93 Figure 17 Cassette top and bottom half securing screw positions. 94 Figure 18 Location and dimensions of recorded tracks. 95 4egaP 1002:65126NE 65126 IEC:0201 5 10.5 Audio shuffling 27 10.6 Audio auxiliary data (AAUX) 28 10.7 Error correction code addition .30 11 Video processing31 11.1 I
39、ntroduction .31 11.2 Video structure32 11.3 DCT processing.35 11.4 Quantization37 11.5 Variable length coding (VLC).38 11.6 The arrangement of a compressed macro block 39 11.7 Arrangement of a video segment.39 11.8 Relationship between compressed macro block and data-sync block.41 11.9 Re-ordering o
40、f compressed macro blocks41 11.10Video auxiliary data (VAUX) 42 11.11Error correction code addition .46 12 Subcode processing .47 12.1 Introduction .47 12.2 Subcode data 47 12.3 Error correction code addition .48 13 Interface.49 13.1 Introduction .49 13.2 Data structure .49 13.3 Transmission order 5
41、6 13.4 Frampe eriod. 57 13.5 Playback speed. 57 Figure 1 aC ssette overall shape and dimnesiosn . 81 Figure 2 aC ssette toa pnd side view dimnesiosn (1). 97 Figure 3 aC ssette toa pnd side view dimnesiosn (2). 08 Figure 4 aC ssette bottmo and side view dimnesiosn (1). 18 Figure 5 aC ssette bottmo an
42、d side view dimnesoins (2). 28 Figure 6 aC ssette bottmo and side view dimnesiosn (3). 38 Figure 7 aCssette datum plane Z nad supporting araes 48 Figure 8 D eetctro holes 58 Figure 9 aC ssette interanl construction 68 Figure 10 Rele idmensinos. 78 Figure 11 Rele and reel disk relatinoship . 88 Figur
43、e 12 Tape windign nad tape uplo lut angle . 98 Figure 13 Rele brake release. 09 Figure 14 Front cover lock and oepn/close view. 19 Figure 15 Rera cover oepn/close view . 29 Figure 16 Area for tape loading mechanism . 39 FigurC 71 eassettpot e b dnaottom half seucrign csrwe opstiions. 49 Figure 18 Lo
44、catino and dimnesisno fo recorded tracks. 59 Page4 EN62156:2001 nnAex ZA (nroma)evit roNmevita refercnese ot tniertannoial bupcilatoisn wit htrieh corresidnopruE gnoaepn uplbcitasnoi 128 62156 IEC:2001 5 10.5 Audio shuffling 72 10.6 Audio auxiilary data (AAUX) 82 10.7 Error correction code dadition
45、.03 11 Viedo processing31 11.1 Intrdouction .31 11.2 Viedo structure23 11.3 TCD processing.53 11.4 Quantization73 11.5 Varibale lnegth cdoing (VLC).83 11.6 Teh arrangemtne fo a compressed macro block 93 11.7 Arragnemtne fo a viedo segment.93 11.8 Relatinoship between compressde macro block and adat-
46、sync block.14 11.9 eR-ordering fo compressed macro blocks41 11.10Viedo auxiilary data (AVUX) 24 11.11Errro correction code dadition .64 21 Sbucode processing .74 12.1 Intrdouction .74 12.2 Sbucode daat 74 12.3 Error correction code dadition .84 31 Inetrface.94 13.1 Intrdouction .94 13.2 Daat strucut
47、re .94 13.3 Trnasmission order 65 13.4 Framep eriod. 75 13.5 Playabck speed. 75 Figure 1 Cassette overall shape and dimensions . 18 Figure 2 Cassette top and side view dimensions (1). 79 Figure 3 Cassette top and side view dimensions (2). 80 Figure 4 Cassette bottom and side view dimensions (1). 81
48、Figure 5 Cassette bottom and side view dimensions (2). 82 Figure 6 Cassette bottom and side view dimensions (3). 83 Figure 7 Cassette datum plane Z and supporting areas 84 Figure 8 Detector holes 85 Figure 9 Cassette internal construction 86 Figure 10 Reel dimensions. 87 Figure 11 Reel and reel disk relationship . 88 Figure 12 Tape winding and tape pull out angle . 89 Figure 13 Reel brake release. 90 Figure 14 Front cover lock and open/close view. 91 Figure 15 Rear cover open/close view . 92 Figure 16 Area for tape loading mechanism . 93 Figure 17 Cassette
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