1、Digital audio interfacePart 4-2: Professional applications Metadata and subcode BS EN 60958-4-2:2016(IEC 60958-4-2:2016)BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 60958-4-2July 2016ICS 33.160.30 Supersedes EN 609
2、58-4:2003 (partially) English VersionDigital audio interface -Part 4-2: Professional applications -Metadata and subcode(IEC 60958-4-2:2016)Interface audionumrique -Partie 4-2: Applications professionnelles -Mtadonnes et sous-code(IEC 60958-4-2:2016)Digitalton-Schnittstelle -Teil 4-2: Professioneller
3、 Gebrauch -Metadaten und Subcode(IEC 60958-4-2:2016)This European Standard was approved by CENELEC on 2016-04-28. CENELEC members are bound to comply with the CEN/CENELECInternal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without an
4、y alteration.Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member.This European Standard exists in three official versions (English, French, German). A version in any other lang
5、uage made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the
6、Czech Republic,Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,Turkey and the United Ki
7、ngdom.European Committee for Electrotechnical StandardizationComit Europen de Normalisation ElectrotechniqueEuropisches Komitee fr Elektrotechnische NormungCEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CENELEC All rights of exploitation in any form and by any means reserved w
8、orldwide for CENELEC Members.Ref. No. EN 60958-4-2:2016 EBS EN 60958-4-2:2016BS EN 60958-4-2:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 60958-4-2:2016. It is identical to IEC 60958-4-2:2016. Together with BS EN 60958-4-1:2016 and BS EN 60958-4-4:2016,
9、it supersedes BS EN 60958-4:2003+A1:2008, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee EPL/100, Audio, video and multimedia systems and equipment.A list of organizations represented on this committee can be obtained on request to its secretary.This
10、publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2016. Published by BSI Standards Limited 2016ISBN 978 0 580 86727 9ICS 33.160.30Compliance with a British Standard cannot confer im
11、munity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 August 2016.Amendments/corrigenda issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60958-4-2 July 2016 ICS 33.160.3
12、0 Supersedes EN 60958-4:2003 (partially) English Version Digital audio interface - Part 4-2: Professional applications - Metadata and subcode (IEC 60958-4-2:2016) Interface audionumrique - Partie 4-2: Applications professionnelles - Mtadonnes et sous-code (IEC 60958-4-2:2016) Digitalton-Schnittstell
13、e - Teil 4-2: Professioneller Gebrauch - Metadaten und Subcode (IEC 60958-4-2:2016) This European Standard was approved by CENELEC on 2016-04-28. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status
14、of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, G
15、erman). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belg
16、ium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden
17、, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CENELEC All rights of exploitat
18、ion in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 60958-4-2:2016 E BS EN 60958-4-2:2016EN 60958-4-2:2016 2 European foreword The text of document 100/2453/CDV, future edition 1 of IEC 60958-4-2, prepared by Technical Area 4 “Digital system interfaces and protocols“
19、, of IEC/TC 100 “Audio, video and multimedia systems and equipment“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60958-4-2:2016. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical nat
20、ional standard or by endorsement (dop) 2017-01-28 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2019-04-28 This document, together with EN 60958-4-1:2016 and EN 60958-4-4:2016, supersedes EN 60958-4:2003. Attention is drawn to the possibility th
21、at some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 60958-4-2:2016 was approved by CENELEC as a European Standard wi
22、thout any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60958 NOTE Harmonized in EN 60958 series. IEC 62365:2009 NOTE Harmonized as EN 62365:2009 (not modified). IEC 62537 NOTE Harmonized as EN 62537. BS EN 60958-4-2:20
23、16EN 60958-4-2:2016 3 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only
24、 the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on t
25、he latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 60958-1 2008 Digital audio interface - Part 1: General EN 60958-1 2008 + A1 2014 + A1 2014 IEC 60958-3 - Digital audio interface - Part 3: Consumer applications
26、EN 60958-3 - IEC 60958-4-1 - Digital audio interface - Part 4-1: Professional applications - Audio content EN 60958-4-1 - IEC 60958-4-4 - Digital audio interface - Part 4-4: Professional applications - Physical and electrical parameters EN 60958-4-4 - ISO/IEC 646 - Information technology - ISO 7-bit
27、 coded character set for information interchange - - ITU-R Recommendation BS.450-3 - Transmission standards for FM sound broadcasting at VHF - - ITU-T Recommendation J.17 - Pre-emphasis used on sound-programme circuits - - BS EN 60958-4-2:2016EN 60958-4-2:2016 2 European foreword The text of documen
28、t 100/2453/CDV, future edition 1 of IEC 60958-4-2, prepared by Technical Area 4 “Digital system interfaces and protocols“, of IEC/TC 100 “Audio, video and multimedia systems and equipment“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60958-4-2:2016. The following date
29、s are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2017-01-28 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2019-04-28 This document, to
30、gether with EN 60958-4-1:2016 and EN 60958-4-4:2016, supersedes EN 60958-4:2003. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endor
31、sement notice The text of the International Standard IEC 60958-4-2:2016 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60958 NOTE Harmonized in EN 60958 series.
32、IEC 62365:2009 NOTE Harmonized as EN 62365:2009 (not modified). IEC 62537 NOTE Harmonized as EN 62537. BS EN 60958-4-2:2016EN 60958-4-2:2016 3 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or i
33、n part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has
34、been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 60958-1 2008 Digital audio interface - P
35、art 1: General EN 60958-1 2008 + A1 2014 + A1 2014 IEC 60958-3 - Digital audio interface - Part 3: Consumer applications EN 60958-3 - IEC 60958-4-1 - Digital audio interface - Part 4-1: Professional applications - Audio content EN 60958-4-1 - IEC 60958-4-4 - Digital audio interface - Part 4-4: Profe
36、ssional applications - Physical and electrical parameters EN 60958-4-4 - ISO/IEC 646 - Information technology - ISO 7-bit coded character set for information interchange - - ITU-R Recommendation BS.450-3 - Transmission standards for FM sound broadcasting at VHF - - ITU-T Recommendation J.17 - Pre-em
37、phasis used on sound-programme circuits - - BS EN 60958-4-2:2016 2 IEC 60958-4-2:2016 IEC 2016 CONTENTS FOREWORD . 4 INTRODUCTION . 6 1 Scope 7 2 Normative references. 7 3 Terms, definitions and abbreviations 7 3.1 Terms and definitions 7 3.2 Abbreviations 8 4 User data format 8 5 Channel status for
38、mat 8 5.1 Channel status bit . 8 5.2 Channel status block . 8 5.3 Implementation . 9 5.3.1 Implementation levels 9 5.3.2 Transmitter requirement . 9 5.3.3 Receiver requirement . 9 5.4 Documentation 9 5.5 Channel status content 9 5.5.1 General . 9 5.5.2 Byte 0: Basic audio parameters 11 5.5.3 Byte 1:
39、 Channel modes, user bits management . 12 5.5.4 Byte 2: Auxiliary bits, word length and alignment level 12 5.5.5 Byte 3: Multichannel modes 13 5.5.6 Byte 4: DARS, hidden information, multiple-rate sampling frequencies 14 5.5.7 Byte 5: Reserved . 15 5.5.8 Bytes 6 to 9: Alphanumeric channel origin 16
40、5.5.9 Bytes 10 to 13: Alphanumeric channel destination 16 5.5.10 Bytes 14 to 17: Local sample address code 16 5.5.11 Bytes 18 to 21: Time-of-day sample address code 16 5.5.12 Byte 22: Reserved . 16 5.5.13 Byte 23: Channel status data CRCC . 17 5.6 Channel status when non-PCM audio is flagged . 17 6
41、Auxiliary bits 17 6.1 Availability of auxiliary bits 17 6.2 Use of auxiliary bits . 17 Annex A (informative) Channel modes 18 Annex B (informative) Provision of additional, voice-quality channels 19 Annex C (informative) Generation of CRCC (byte 23) for channel status . 20 Bibliography . 22 Figure 1
42、 Channel status data format . 10 Figure B.1 Frame and block structure . 19 Figure C.1 Flow diagram including exclusive or gates . 20 BS EN 60958-4-2:2016This page deliberately left blank 2 IEC 60958-4-2:2016 IEC 2016 CONTENTS FOREWORD . 4 INTRODUCTION . 6 1 Scope 7 2 Normative references. 7 3 Terms,
43、 definitions and abbreviations 7 3.1 Terms and definitions 7 3.2 Abbreviations 8 4 User data format 8 5 Channel status format 8 5.1 Channel status bit . 8 5.2 Channel status block . 8 5.3 Implementation . 9 5.3.1 Implementation levels 9 5.3.2 Transmitter requirement . 9 5.3.3 Receiver requirement .
44、9 5.4 Documentation 9 5.5 Channel status content 9 5.5.1 General . 9 5.5.2 Byte 0: Basic audio parameters 11 5.5.3 Byte 1: Channel modes, user bits management . 12 5.5.4 Byte 2: Auxiliary bits, word length and alignment level 12 5.5.5 Byte 3: Multichannel modes 13 5.5.6 Byte 4: DARS, hidden informat
45、ion, multiple-rate sampling frequencies 14 5.5.7 Byte 5: Reserved . 15 5.5.8 Bytes 6 to 9: Alphanumeric channel origin 16 5.5.9 Bytes 10 to 13: Alphanumeric channel destination 16 5.5.10 Bytes 14 to 17: Local sample address code 16 5.5.11 Bytes 18 to 21: Time-of-day sample address code 16 5.5.12 Byt
46、e 22: Reserved . 16 5.5.13 Byte 23: Channel status data CRCC . 17 5.6 Channel status when non-PCM audio is flagged . 17 6 Auxiliary bits 17 6.1 Availability of auxiliary bits 17 6.2 Use of auxiliary bits . 17 Annex A (informative) Channel modes 18 Annex B (informative) Provision of additional, voice
47、-quality channels 19 Annex C (informative) Generation of CRCC (byte 23) for channel status . 20 Bibliography . 22 Figure 1 Channel status data format . 10 Figure B.1 Frame and block structure . 19 Figure C.1 Flow diagram including exclusive or gates . 20 BS EN 60958-4-2:2016IEC 60958-4-2:2016 IEC 20
48、16 3 Table 1 Non-PCM audio, protected status bits 17 BS EN 60958-4-2:2016 4 IEC 60958-4-2:2016 IEC 2016 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ DIGITAL AUDIO INTERFACE Part 4-2: Professional applications Metadata and subcode FOREWORD 1) The International Electrotechnical Commission (IEC) is a wo
49、rldwide 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 standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Pu
