1、 IEC 62379-2Edition 1.0 2008-09INTERNATIONAL STANDARD Common control interface for networked digital audio and video products Part 2:Audio IEC 62379-2:2008(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.THIS PUBLICATION IS COPYRIGHT
2、 PROTECTED Copyright 2008 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,without permission in writing from either IEC or IECs me
3、mber National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication,please contact the address below or your local IEC member National Committee for further information.IEC Central Office 3,rue
4、 de Varemb CH-1211 Geneva 20 Switzerland Email:inmailiec.ch Web:www.iec.ch About the IEC The International Electrotechnical Commission(IEC)is the leading global organization that prepares and publishes International Standards for all electrical,electronic and related technologies.About IEC publicati
5、ons The technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have the latest edition,a corrigenda or an amendment might have been published.?Catalogue of IEC publications:www.iec.ch/searchpub The IEC on-line Catalogue enables you to search by a var
6、iety of criteria(reference number,text,technical committee,).It also gives information on projects,withdrawn and replaced publications.?IEC Just Published:www.iec.ch/online_news/justpub Stay up to date on all new IEC publications.Just Published details twice a month all new publications released.Ava
7、ilable on-line and also by email.?Electropedia:www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 20 000 terms and definitions in English and French,with equivalent terms in additional languages.Also known as the International Electrotec
8、hnical Vocabulary online.?Customer Service Centre:www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or need further assistance,please visit the Customer Service Centre FAQ or contact us:Email:csciec.ch Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON L
9、imited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 62379-2Edition 1.0 2008-09INTERNATIONAL STANDARD Common control interface for networked digital audio and video products Part 2:Audio INTERNATIONAL ELECTROTECHNICAL COMMISSION XCICS 33.160.01 PRICE CODE
10、ISBN 2-8318-9987-7 Registered trademark of the International Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 62379-2 IEC:2008(E)CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative references.7 3 Terms
11、,definitions and abbreviations.7 3.1 Abbreviations.7 4 Audio format definitions.8 4.1 Audio signal format definitions.8 4.1.1 Audio parameters.8 4.1.2 Audio signal formats.9 4.2 Audio transport format definitions.12 4.3 Audio metadata format definitions.12 5 MIB definitions for audio blocks.13 5.1 G
12、eneral.13 5.2 Type definitions.13 5.2.1 Textual conventions.13 5.2.2 Sequences.15 5.3 Audio port and associated managed object type definitions.17 5.3.1 Generic port functionality.17 5.3.2 AES3 ancillary data.18 5.3.3 Phantom power.19 5.3.4 Audio locked to reference.19 5.4 Other audio block and asso
13、ciated managed object type definitions.20 5.4.1 Audio mixer blocks.20 5.4.2 Audio crosspoint blocks.23 5.4.3 Audio clip player blocks.26 5.4.4 Audio limiter blocks.29 5.4.5 Audio converter blocks.31 5.4.6 Audio level alarm blocks.32 6 Status broadcasts.34 6.1 General.34 6.2 Type definitions.34 6.2.1
14、 Textual conventions.34 6.2.2 Sequences.34 6.3 Audio formats mapping.34 6.3.1 audioFormatsMapTable.35 6.3.2 audioFormatsMapEntry.35 6.3.3 afmNumber.35 6.3.4 afmFormat.35 6.4 Page formats.35 6.4.1 Audio port page.35 6.4.2 AES3 ancillary data page.35 6.4.3 Audio mixer page.36 6.4.4 Audio crosspoint pa
15、ge.36 6.4.5 Audio clip player page.37 6.4.6 Audio limiter page.37 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.62379-2 IEC:2008(E)3 6.4.7 Audio converter page.38 6.4.8 Audio level alarm page.38 6.5 Page groups.39 6.5.1 audioPorts.39
16、 6.5.2 standardAudioBlocks.39 6.5.3 audioAlarms.40 Annex A(informative)Machine-readable audio format definitions.41 Annex B(informative)Machine-readable audio block definitions.56 Annex C(informative)Machine-readable status page group definitions.74 Annex D(informative)Machine-readable status page MIB definitions.75 Annex E(informative)Worked examples.77 Annex F(informative)Tree of example audio formats.86 Figure 1 Audio port blocks.17 Figure 2 Audio mixer block.21 Figure 3 Audio crosspoint bloc