1、 INTERNATIONAL STANDARD IEC62447-3 First edition2007-06 Helical-scan compressed digital video cassette system using 6,35 mm magnetic tape Format D-12 Part 3:Data stream format Reference number IEC 62447-3:2007(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLI
2、ED BY BOOK SUPPLY BUREAU.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2007 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,wi
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8、Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONAL STANDARD IEC62447-3 First edition2007-06 Helical-scan compressed digital video cassette system using 6,35 mm magnetic tape Format
9、D-12 Part 3:Data stream format R For price,see current cataloguePRICE CODE Commission Electrotechnique InternationaleInternational Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 62447-3 IEC:2007(E)CONTENT
10、S FOREWORD.3 1 Scope.5 2 Normative references.5 3 Abbreviations and acronyms.5 4 Identification within the serial data transport interface(SDTI).6 4.1 SDTI header packet data.6 4.2 Payload.6 5 Stream block format.6 5.1 Stream block.6 5.2 Reserved data words.7 5.3 Signal type words.7 5.4 Transmission
11、 type word.9 5.5 DIF block ID words.9 5.6 DIF block data words.10 5.7 ECC words.10 6 Transmission order.11 7 Mapping structure.13 7.1 Channel unit.13 7.2 Mapping rules.13 Annex A(informative)Block diagram of D-12 recorder.18 Bibliography.19 Figure 1 Stream block format.7 Figure 2 ST word mapping.7 F
12、igure 3 TT word mapping.9 Figure 4 Mapping of DIF block ID.9 Figure 5 Mapping of ECC.10 Figure 6 Transmission order in one frame for the 100 Mb/s structure.11 Figure 7 Transmission order in a DIF sequence.12 Figure 8a For 270 Mb/s system.14 Figure 8b For 360 Mb/s system.15 Figure 8 Channel unit mapp
13、ing for the 100 Mb/s structure(525/60 SDTI system).15 Figure 9a For 270 Mb/s system.16 Figure 9b For 360 Mb/s system.17 Figure 9 Channel unit mapping for the 100 Mb/s structure(625/50 SDTI system).17 Figure A.1 Block diagram of D-7 recorder.18 Table 1 Start lines of channel units.17 LICENSED TO MECO
14、N Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.62447-3 IEC:2007(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ HELICAL-SCAN COMPRESSED DIGITAL VIDEO CASSETTE SYSTEM USING 6,35 mm MAGNETIC TAPE FORMAT D-12 Part 3:Data stream format FOREWORD 1)The Int
15、ernational Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical committees(IEC National Committees).The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electro
16、nic fields.To this end and in addition to other activities,IEC publishes International Standards,Technical Specifications,Technical Reports,Publicly Available Specifications(PAS)and Guides(hereafter referred to as“IEC Publication(s)”).Their preparation is entrusted to technical committees;any IEC National Committee interested in the subject dealt with may participate in this preparatory work.International,governmental and non-governmental organizations liaising with the IEC also participate in t
