1、 IEC TS 62702-2 Edition 1.0 2016-05 TECHNICAL SPECIFICATION Audio archive sy stem Part 2:Audio data preservation IEC TS 62702-2:2016-05(en)THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2016 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this publication may be r
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10、 assistance,please contact the Customer Ser vice Centr e:csciec.ch.IEC TS 62702-2 Edition 1.0 2016-05 TECHNICAL SPECIFICATION Audio archive sy stem Part 2:Audio data preservation INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 33.160.30;35.220.30 ISBN 978-2-8322-3286-6 Registered trademark of the Inte
11、rnational Electrotechnical Commission Warning!Make sure that y ou obtained this publication from an authorized distributor.2 IEC TS 62702-2:2016 IEC 2016 CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Normative references.6 3 Terms and definitions.6 4 Objective media inspection.6 4.1 Criteria of the
12、 objective media.6 4.2 Criteria of the archival media for preservation and dissemination.7 5 Digitization of audio content.7 5.1 Condition and environment.7 5.2 Digitization method.7 5.2.1 Content of analogue media.7 5.2.2 Content of digital media.8 6 Inspection of digitised file and recorded media.
13、9 7 Reception of digitised content.10 8 Archival information package.10 8.1 Content information.10 8.2 Package format for AIP.10 9 Preservation.11 10 Access.11 11 Dissemination.11 11.1 Format.11 11.2 Copyright management.12 Annex A(informative)Digital signal capturing.13 Annex B(informative)Digitise
14、d content inspection in disk media.15 Annex C(informative)Treatment of content noise.16 Bibliography.17 Figure 1 Digitization of analogue signals.7 Figure 2 Digital signal capturing.9 Figure A.1 Signal capturing from the D/A converter signal.13 Figure A.2 Signal capturing from the digital audio inte
15、rface.14 Table 1 Digital signal format.8 Table 2 File format.8 Table 3 Digital to digital conversion format.9 Table 4 Audio file format.9 Table 5 Content information.10 Table 6 Dissemination format.11 IEC TS 62702-2:2016 IEC 2016 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ AUDIO ARCHIVE SYSTEM Par
16、t 2:Audio data preservation FOREWORD 1)The International 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 electronic fields.To this end and in addition to other activities,IEC publishes International Standards,Technical Specifications,Technical Reports,Publicly Avail