IEC-62365-2004.pdf
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1、 INTERNATIONAL STANDARD IEC 62365 First edition 2004-11 Digital audio Digital input-output interfacing Transmission of digital audio over asynchronous transfer mode (ATM) networks Reference number IEC 62365:2004(E) Copyright International Electrotechnical Commission Provided by IHS under license wit
2、h IECLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 04:49:29 MSTNo reproduction or networking permitted without license from IHS -,-,- Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series. For example, IE
3、C 34-1 is now referred to as IEC 60034-1. Consolidated editions The IEC is now publishing consolidated versions of its publications. For example, edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the base publication incorporating amendment 1 and the base publication inc
4、orporating amendments 1 and 2. Further information on IEC publications The technical content of IEC publications is kept under constant review by the IEC, thus ensuring that the content reflects current technology. Information relating to this publication, including its validity, is available in the
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8、 Customer Service Centre If you have any questions regarding this publication or need further assistance, please contact the Customer Service Centre: Email: custserviec.ch Tel: +41 22 919 02 11 Fax: +41 22 919 03 00 Copyright International Electrotechnical Commission Provided by IHS under license wi
9、th IECLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 04:49:29 MSTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD IEC 62365 First edition 2004-11 Digital audio Digital input-output interfacing Transmission of digital audio
10、 over asynchronous transfer mode (ATM) networks IEC 2004 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. Internatio
11、nal Electrotechnical Commission, 3, rue de Varemb, PO Box 131, CH-1211 Geneva 20, Switzerland Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmailiec.ch Web: www.iec.ch U For price, see current catalogue PRICE CODE Commission Electrotechnique Internationale International Electrotechn
12、ical Commission Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 04:49:29 MSTNo reproduction or networking permitted without license from IHS -,-,- 2 62365 IEC:2004(E) CONTENTS FO
13、REWORD.3 INTRODUCTION.5 1 Scope.7 2 Normative references .7 3 Terms and definitions .7 4 Format of audio data in ATM cells 8 4.1 Format of audio samples .8 4.2 Packing of sample data into cells 11 4.3 Formats.12 4.4 ATM adaptation layer 12 4.5 ATM-user-to-ATM-user indication13 5 Switched virtual cir
14、cuits13 5.1 Addresses .13 5.2 Audio call connection: SETUP and ADD PARTY messages .13 5.3 Call disconnection .15 6 Coding of audio formats .16 6.1 Qualifying information16 6.2 Subframe format16 6.3 Packing of subframes into cells .17 6.4 Sampling frequency.17 7 Permanent virtual circuits .18 8 Manag
15、ement interface18 8.1 Call connection: SETUP messages.18 8.2 Message encapsulation.20 8.3 Message format and action to be taken by recipient 20 8.4 Message types 20 Annex A (informative) Data protection26 Annex B (informative) Application identifier values.28 Bibliography29 Table 1 Fields contained
16、in a subframe9 Table 2 Combinations of subframe format and packing scheme .12 Table 3 Default port number and packing for certain VCIs18 Table 4 Status enquiry message21 Table 5 Audio connection request message .21 Table 6 Audio disconnection request message.22 Table 7 Input port status message .23
17、Table 8 Output port status message .24 Table 9 Other status messages25 Table 10 Vendor-specific messages.25 Table A.1 Sequence number protection field values.26 Table B.1 Application identifier (octets 9 to 12) values in the BHLI IE.28 Copyright International Electrotechnical Commission Provided by
18、IHS under license with IECLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 04:49:29 MSTNo reproduction or networking permitted without license from IHS -,-,- 62365 IEC:2004(E) 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ DIGITAL AUDIO DIGITAL INPUT-OUTPUT INTERFACING
19、TRANSMISSION OF DIGITAL AUDIO OVER ASYNCHRONOUS TRANSFER MODE (ATM) NETWORKS 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
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