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IEC_61937-7-2004.pdf

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1、 INTERNATIONAL STANDARD IEC61937-7 Second edition2004-11 Digital audio Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 Part 7:Non-linear PCM bitstreams according to the ATRAC,ATRAC2/3 and ATRAC-X formats Reference number IEC 61937-7:2004(E)Copyright International Electrotech

2、nical Commission Provided by IHS under license with IECNot for ResaleNo 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,IEC 34-1 is now referred to as IEC

3、 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 incorporating amendments 1 and 2.Further i

4、nformation 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 IEC Catalogue of publications(see below)in

5、addition to new editions,amendments and corrigenda.Information on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication,as well as the list of publications issued,is also available from the following:IEC Web Site(www.iec.ch)Ca

6、talogue of IEC publications The on-line catalogue on the IEC web site(www.iec.ch/searchpub)enables you to search by a variety of criteria including text searches,technical committees and date of publication.On-line information is also available on recently issued publications,withdrawn and replaced

7、publications,as well as corrigenda.IEC Just Published This summary of recently issued publications(www.iec.ch/online_news/justpub)is also available by email.Please contact the Customer Service Centre(see below)for further information.Customer Service Centre If you have any questions regarding this p

8、ublication 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 with IECNot for ResaleNo reproduction or networking permitted without lice

9、nse from IHS-,-,-INTERNATIONAL STANDARD IEC61937-7 Second edition2004-11 Digital audio Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 Part 7:Non-linear PCM bitstreams according to the ATRAC,ATRAC2/3 and ATRAC-X formats IEC 2004 Copyright-all rights reserved No part of this

10、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.International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919

11、02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.ch M For price,see current cataloguePRICE CODE Commission Electrotechnique InternationaleInternational Electrotechnical Commission Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo

12、 reproduction or networking permitted without license from IHS-,-,-2 61937-7 IEC:2004(E)CONTENTS FOREWORD.3 1 Scope.5 2 Normative references.5 3 Terms,definitions and abbreviations.5 3.1 Definitions.5 3.2 Abbreviations.5 4 Mapping of the audio bitstream on to IEC 61937.6 4.1 General.6 4.2 ATRAC,ATRA

13、C2/3 and ATRAC-X burst-info.6 5 Format of ATRAC,ATRAC2/3 and ATRAC-X data-bursts.6 5.1 General.6 5.2 Audio data-bursts.7 5.2.1 The data ATRAC.7 5.2.2 Latency of ATRAC decoding.8 5.2.3 The data ATRAC2/3.8 5.2.4 Latency of ATRAC2/3 decoding.9 5.2.5 The data ATRAC-X.10 5.2.6 Latency of ATRAC-X decoding

14、.11 Bibliography.12 Figure 1 ATRAC data-burst.7 Figure 2 Latency of ATRAC decoding.8 Figure 3 ATRAC2/3 data-burst.9 Figure 4 Latency of ATRAC2/3 decoding.10 Figure 5 ATRAC-X data-burst.10 Table 1 Fields of burst-info.6 Table 2 Data-type-dependent information for data-type ATRAC.7 Table 3 Data-type-d

15、ependent information for data-type ATRAC2/3.9 Table 4 Data-type-dependent information for data-type ATRAC-X.11 Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-61937-7 IEC:2004

16、(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ DIGITAL AUDIO INTERFACE FOR NON-LINEAR PCM ENCODED AUDIO BITSTREAMS APPLYING IEC 60958 Part 7:Non-linear PCM bitstreams according to the ATRAC,ATRAC2/3 and ATRAC-X formats 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 standa

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