1、 INTERNATIONAL STANDARD IEC62141 First edition2005-10 Helical-scan digital video cassette recording format using 12,65 mm magnetic tape and incorporating MPEG-4 compression Type D-16 format Reference number IEC 62141:2005(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION
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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 IEC62141 First edition2005-10 Helical-scan digital video cassette recording format using 12,65 mm magnetic tape and incor
9、porating MPEG-4 compression Type D-16 format IEC 2005 Copyright-all rights reserved No part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from the publisher.International Elect
10、rotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.ch XD For price,see current cataloguePRICE CODE Commission Electrotechnique InternationaleInternational Electrotechnical Commission LICEN
11、SED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 62141 IEC:2005(E)CONTENTS FOREWORD.6 1 Scope.8 2 Normative references.8 3 Terms,definitions and acronyms.9 3.1 Terms and definitions.9 3.2 Acronyms.10 4 Environment and test conditions.10 4.
12、1 Calibration tape.11 4.2 Record locations and dimensions.11 5 Tape and cassette physical specifications.11 5.1 Magnetic tape specifications.11 5.2 Cassette specifications.11 6 Tape record physical parameters.34 6.1 Input reference signal.34 6.2 Tape speed.34 6.3 Helical record physical parameters.3
13、4 6.4 Longitudinal record physical parameters.35 7 Longitudinal track signal and magnetic parameters.39 7.1 Longitudinal track record parameters.39 7.2 Control track record parameters.39 7.3 Time and control code track record parameters.40 8 Source picture and audio processing.41 8.1 Introduction.41
14、 8.2 Input formats.44 8.3 Input data segmentation and shuffling.46 8.4 Picture data encoding.60 8.5 Data packing.63 8.6 Audio input format and data packing.77 9 Helical track signal parameters and magnetization.80 9.1 Introduction.80 9.2 Video data outer correction and shuffling.80 9.3 Audio data ou
15、ter correction and shuffling.82 9.4 Helical track data parameters.86 9.5 Channel coding.97 9.6 Magnetization.97 Annex A(normative)Digital interfaces.98 Annex B(informative)Tape transport and scanner.100 Annex C(informative)Compatibility with the other digital formats using Type-L derivative cassette
16、s.103 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.62141 IEC:2005(E)3 Figure 1 Top-and side-view dimensions(S-cassette).14 Figure 2 Bottom-view dimensions(S-cassette).15 Figure 3 Datum areas,supporting areas,tape guides and associated dimensions (S-cassette).17 Figure 4 Reel location in the unlocked position(S-cassette).17 Figure 5 Protecting lid dimensions(S-cassette).18 Figure 6 Reel dimensions(S-cassette).19 Figure 7 Reel hei
