EN 62156:2001

Digital video recording with video compression 12,65 mm type D-9 component format 525/60 and 625/50 (digital S)

Specifies the content, format and recording method of the data blocks containing video, audio, and associated data that form the helical records on 12,65 mm tape in cassettes. Also specifies the content, format and recording method of the longitudinal record containing tracking information for the rotating head associated with the helical records, and also cue audio, and control tracks.

Digitale Videoaufzeichnung mit Videokompression 12,65 mm D-9-Komponentenformat 525-60 und 625-50 (Digital-S)

Enregistrement vidéo numérique avec compression vidéo sur bandes de 12,65 mm format à composante 525/60 et 625/50 (numérique S) type D-9

Spécifie le contenu, le format et la méthode d'enregistrement des blocs de données contenant des données vidéo, audio et des données associées formant les enregistrements hélicoïdaux sur les bandes de 12,65 mm en cassettes. De plus, spécifie le contenu, le format et la méthode d'enregistrement des pistes longitudinales contenant des informations de suivi pour la tête tournante associée à ces enregistrements vidéo, et également aux pistes d'ordres audio et aux pistes d'asservissement.

Digitalno video zapisovanje z video kompresijo 12,65 mm tipa D-9 formata komponent 525/60 in 625/50 (digitalni S) (IEC 62156:2001)

General Information

• Status: Published
• Publication Date: 12-Dec-2001
• Withdrawal Date: 30-Nov-2004
• ICS: 33.160.40 - Video systems
• Technical Committee: CLC/TC 100X - Audio, video and multimedia systems and equipment and related sub-systems
• Drafting Committee: IEC/TC 100 - IEC_TC_100
• Parallel Committee: IEC/TC 100 - IEC_TC_100
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 13-Dec-2001
• Completion Date: 13-Dec-2001
• Ref Project: SIST EN 62156:2007 - Digital video recording with video compression 12,65 mm type D-9 component format 525/60 and 625/50 (digital S)

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EUROPEAN STANDARD EN 62156
NORME EUROPÉENNE
EUROPÄISCHE NORM December 2001
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 vidéo numérique Digitale Videoaufzeichnung
avec compression vidéo mit Videokompression 12,65 mm
sur bandes de 12,65 mm format D-9-Komponentenformat
à composante 525/60 et 625/50 525-60 und 625-50 (Digital-S)
(numérique S) type D-9 (IEC 62156:2001)
(CEI 62156:2001)
This European Standard was approved by CENELEC on 2001-12-01. CENELEC members are bound 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 Central 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 status 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.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2001 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 62156:2001 E
Foreword
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 the 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 standard.
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 be added for the standard indicated:
IEC 60735 NOTE Harmonized as EN 60735:1991 (not modified).
__________
- 3 - EN 62156:2001
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
This European Standard incorporates by dated or undated reference, provisions from other
publications. These normative references are cited at the appropriate places in the text and the
publications are listed hereafter. For dated references, subsequent amendments to or revisions of any
of these publications apply to this European Standard only when incorporated in it by amendment or
revision. For undated references the latest edition of the publication referred to applies (including
amendments).
NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
Publication Year Title EN/HD Year
1)
ITU-R BT.470-6 - Conventional television systems - -
1)
ITU-R BT.601-5 - Studio encoding parameters of digital--
television for standard 4:3 and wide-
screen 16:9 aspect radios
SMPTE 12M 1999 Television, audio and film - Time and--
control code
1) Undated reference.
NORME CEI
INTERNATIONALE IEC
INTERNATIONAL
Première édition
STANDARD
First edition
2001-10
Enregistrement vidéo numérique avec
compression vidéo sur bandes de 12,65 mm
format à composante 525/60 et 625/50
(numérique S) type D-9
Digital video recording with video compression
12,65 mm type D-9 component format 525/60 and
625/50 (digital S)
 IEC 2001 Droits de reproduction réservés  Copyright - all rights reserved
Aucune partie de cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized in
utilisée sous quelque forme que ce soit et par aucun procédé, any form or by any means, electronic or mechanical,
électronique ou mécanique, y compris la photocopie et les including photocopying and microfilm, without permission in
microfilms, sans l'accord écrit de l'éditeur. writing from the publisher.
International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: [phone] e-mail: [e-mail] IEC web site http://www.iec.ch
CODE PRIX
Commission Electrotechnique Internationale
XF
PRICE CODE
International Electrotechnical Commission
Pour prix, voir catalogue en vigueur
For price, see current catalogue

62156  IEC:2001 – 3 –
CONTENTS
FOREWORD.7
1 Scope.15
2 Normative references .15
3 Abbreviations .17
4 Environment and test conditions .19
4.1 Environment .19
4.2 Reference tape.19
4.3 Calibration tape.19
5 Video tape cassette.19
5.1 General specifications .19
5.2 Datum plane.19
5.3 Window and labels .21
5.4 Colour .21
5.5 Accidental erasure prevention hole.21
5.6 Video tape.21
5.7 Leader/trailer tape.23
5.8 Reels.25
5.9 Lid.25
6 Helical recording – physical characteristics .27
6.1 Tape speed .27
6.2 Sectors.27
6.3 Record location and dimensions.27
6.4 Helical track record tolerance zones.27
6.5 Relative positions of recorded information .29
6.6 Gap azimuth.29
6.7 Transport and scanner .29
7 Helical recording – electrical characteristics .31
7.1 Track contents.31
7.2 Signal processing.31
7.3 Magnetization.33
8 Programme track data .35
8.1 ITI sector.35
8.2 Audio sector .35
8.3 Video sector .41
8.4 Subcode sector .43
8.5 Edit gap.47
9 Longitudinal tracks .47
9.1 Control track .47
9.2 Cue track .49
10 Audio processing.49
10.1 Introduction .49
10.2 Encoding mode .51
10.3 Audio channel allocation.51
10.4 Frame structure.51

62156  IEC:2001 – 5 –
10.5 Audio shuffling .53
10.6 Audio auxiliary data (AAUX) .55
10.7 Error correction code addition .59
11 Video processing.61
11.1 Introduction .61
11.2 Video structure.63
11.3 DCT processing.69
11.4 Quantization.73
11.5 Variable length coding (VLC).75
11.6 The arrangement of a compressed macro block .77
11.7 Arrangement of a video segment .77
11.8 Relationship between compressed macro block and data-sync block.81
11.9 Re-ordering of compressed macro blocks.81
11.10 Video auxiliary data (VAUX) .83
11.11 Error correction code addition .91
12 Subcode processing .93
12.1 Introduction .93
12.2 Subcode data .93
12.3 Error correction code addition .95
13 Interface.97
13.1 Introduction .97
13.2 Data structure .97
13.3 Transmission order.111
13.4 Frame period.113
13.5 Playback speed .113
Figure 1 – Cassette overall shape and dimensions . 155
Figure 2 – Cassette top and side view dimensions (1). 157
Figure 3 – Cassette top and side view dimensions (2). 159
Figure 4 – Cassette bottom and side view dimensions (1).
...