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
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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
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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