1、INTERNATIONALSTANDARDIEC62330-1First edition2003-05Helical-scan digital video cassette recordingsystem using 12,65 mm(0,5 in)magnetic tape Format HD-D5 Part 1:VTR specificationsReference numberIEC 62330-1:2003(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLI
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9、 Format HD-D5 Part 1:VTR specifications 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、ON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 62330-1 IEC:2003(E)CONTENTSFOREWORD.51Scope.72Normative references.93Environment and test conditions.93.1Environment.93.2Reference tape.93.3Calibration tape.94Video tape.104.1Base.104.2Width.104.3Widt
12、h fluctuation.104.4Tape thickness.104.5Transmissivity.104.6Offset yield strength.104.7Magnetic coating.104.8Coating coercivity.104.9Particle orientation.105Helical recordings.115.1Tape speed.115.2Record location and dimensions.115.3Helical track record tolerance zones.145.4Relative positions of reco
13、rded information.155.5Gap azimuth.155.6Transport and scanner.166Programme track data.196.1Introduction.196.2Labelling convention.196.3Sector details.196.4Edit gaps.276.5Channel code.276.6Magnetization.397Video interface.408Audio interface.408.1Encoding parameters.408.2Digital signal interface.409Vid
14、eo processing.409.1Introduction.409.2Recorded data.409.3Channel and video block distribution.429.4Word data arrangement.429.5Video randomize.439.6Outer error protection.439.7Field data array.439.8Order of transmission to inner coding.45LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT T
15、HIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.62330-1 IEC:2003(E)3 10Audio processing.4510.1 Introduction.4510.2 Source coding.4510.3 Source processing.4810.4 Auxiliary words.5210.5 Outer error protection.5610.6 Inner protection.5710.7 Order of transmission to inner coding.5710.8 Channel code.571
16、0.9 Allocation of audio sectors.5711Longitudinal tracks.5811.1 Relative timing.5811.2 Control track.5811.3 Cue record.5911.4 Time and control code record.59Annex A(normative)Tape tension.60Annex B(normative)Cross-tape track measurement technique.61Annex C(normative)Track pattern during insert editing.65Bibliography.66Figure 1 Record block diagram.8Figure 2 Playback block diagram.8Figure 3 Location and dimensions of recorded tracks.12Figure 4 Location of cue and time and control code track record
