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
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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
