1、INTERNATIONALSTANDARDIEC62330-3First edition2003-05Helical-scan digital video cassette recordingsystem using 12,65 mm(0,5 in)magnetic tape Format HD-D5 Part 3:Data stream formatReference numberIEC 62330-3:2003(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLI
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8、erviec.chTel:+41 22 919 02 11Fax:+41 22 919 03 00LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONALSTANDARDIEC62330-3First edition2003-05Helical-scan digital video cassette recordingsystem using 12,65 mm(0,5 in)magnetic tape
9、 Format HD-D5 Part 3:Data stream format IEC 2003 Copyright-all rights reservedNo part of this publication may be reproduced or utilized in any form or by any means,electronic ormechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechn
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11、N Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 62330-3 IEC:2003(E)CONTENTSFOREWORD.31Scope.52Normative references.53DIF block mapping.53.1DIF block and DIF slice.53.2Mapping of DIF blocks over SDI.64Audio Data.9Bibliography.10Figure 1 DIF block.5Fi
12、gure 2 DIF slice structure.6Figure 3 Slice sell structure over SDI.7Figure 4 DIF area type and byte allocation of DIF blocks.8Figure 5 Bit allocation.9LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.62330-3 IEC:2003(E)3 INTERNATIONAL E
13、LECTROTECHNICAL COMMISSION_HELICAL-SCAN DIGITAL VIDEO CASSETTE RECORDING SYSTEMUSING 12,65 mm(0,5 in)MAGNETIC TAPE FORMAT HD-D5 Part 3:Data stream formatFOREWORD1)The IEC(International Electrotechnical Commission)is a worldwide organization for standardization comprisingall national electrotechnical
14、 committees(IEC National Committees).The object of the IEC is to promoteinternational co-operation on all questions concerning standardization in the electrical and electronic fields.Tothis end and in addition to other activities,the IEC publishes International Standards.Their preparation isentruste
15、d to technical committees;any IEC National Committee interested in the subject dealt with mayparticipate in this preparatory work.International,governmental and non-governmental organizations liaisingwith the IEC also participate in this preparation.The IEC collaborates closely with the Internationa
16、l Organizationfor Standardization(ISO)in accordance with conditions determined by agreement between the twoorganizations.2)The formal decisions or agreements of the IEC on technical matters express,as nearly as possible,aninternational consensus of opinion on the relevant subjects since each technical committee has representationfrom all interested National Committees.3)The documents produced have the form of recommendations for international use and are published in the formof standards,technic