IEC_62365-2009.pdf

IEC 62365Edition 2.0 2009-05INTERNATIONAL STANDARD Digital audio Digital input-output interfacing Transmission of digital audio over asynchronous transfer mode(ATM)networks IEC 62365:2009(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2009 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 member 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 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 publications 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to search by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,withdrawn and replaced publications.?IEC Just Published:www.iec.ch/online_news/justpub Stay up to date on all new IEC publications.Just Published details twice a month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.Available 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 Electrotechnical 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 Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 62365Edition 2.0 2009-05INTERNATIONAL STANDARD Digital audio Digital input-output interfacing Transmission of digital audio over asynchronous transfer mode(ATM)networks INTERNATIONAL ELECTROTECHNICAL COMMISSION UICS 35.200,33.160 PRICE CODEISBN 2-8318-1040-8 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 62365 IEC:2009(E)CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.8 2 Normative references.8 3 Terms and definitions.8 4 Format of audio data in ATM cells.10 4.1 Format of audio samples.10 4.1.1 Subframes.10 4.1.2 Audio sample word.10 4.1.3 Ancillary data.10 4.1.4 Protocol overhead.10 4.2 Packing of sample data into cells.12 4.2.1 Packing schemes.12 4.2.2 Temporal grouping.12 4.2.3 Multi-channel.12 4.2.4 Grouping by channel.13 4.3 Formats.13 4.4 ATM adaptation layer.13 4.5 ATM-user-to-ATM-user indication.13 5 Switched virtual circuits.14 5.1 Addresses.14 5.2 Audio call connection:SETUP and ADD PARTY messages.14 5.2.1 Restrictions on connection requests.14 5.2.2 Information elements in the SETUP and ADD PARTY messages.14 5.2.3 Destination response to SETUP and ADD PARTY messages.15 5.3 Call disconnection.16 6 Coding of audio formats.16 6.1 Qualifying information.16 6.2 Subframe format.17 6.3 Packing of subframes into cells.17 6.4 Sampling frequency.18 7 Permanent virtual circuits.18 8 Management interface.19 8.1 Call connection:SETUP messages.19 8.1.1 Restrictions on connection requests.19 8.1.2 Information elements in the SETUP message.19 8.1.3 Destination response to SETUP message.20 8.2 Message encapsulation.20 8.3 Message format and action to be taken by recipient.20 8.4 Message types.21 8.4.1 Messages sent from the controlling entity.21 8.4.2 Messages sent to the controlling entity.23 8.4.3 Vendor-specific messages.25 Annex A(informative)Data protection.26 Annex B(informative)Application identifier values.28 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.62365 IEC:2009(E)3 Bibliography.29 Table 1 Fields contained in a subframe.10 Table 2 Default port number and packing for certain VCIs.19 Table 3 Status enquiry message.21 Table 4 Audio connection request message.22 Table 5 Audio disconnection request message.22 Table 6 Input port status message.23 Table 7 Output port status message.24 Table 8 Other status messages.25 Table 9 Ve