1、 IEC 61883-6 Edition 3.0 2014-09 INTERNATIONAL STANDARD Consumer audio/video equipment Digital interface Part 6: Audio and music data transmission protocol IEC 61883-6:2014-09(en) colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2014 IEC, Geneva, Switzerland All rights reserved. Unles
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11、ata transmission protocol INTERNATIONAL ELECTROTECHNICAL COMMISSION XE ICS 33.160.01; 35.200 PRICE CODE ISBN 978-2-8322-1822-8 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. colour inside 2 I
12、EC 61883-6:2014 IEC 2014 CONTENTS FOREWORD . 11 1 Scope 13 2 Normative references 13 3 Terms, definitions and abbreviations . 13 3.1 Terms and definitions 13 3.2 Abbreviations 15 4 Reference model for data transmission 16 4.1 General . 16 4.2 Application layer . 17 4.3 Adaptation layer 17 4.4 Packet
13、ization layer 18 5 Transport requirements . 19 5.1 Arbitrated short bus reset 19 5.2 Bit, byte, and quadlet ordering 19 6 Packet header for audio and music data 19 6.1 General . 19 6.2 Isochronous packet header format 19 6.3 CIP header format 19 7 Packetization . 20 7.1 Packet transmission method .
14、20 7.2 Transmission of timing information 20 7.3 Time stamp processing . 21 7.4 Transmission control . 21 7.4.1 Non-blocking transmission method 21 7.4.2 Blocking transmission method . 23 8 Event types . 24 8.1 General . 24 8.2 AM824 data 27 8.2.1 Generic format . 27 8.2.2 IEC 60958 conformant data
15、. 29 8.2.3 Multi-bit linear audio (MBLA) . 29 8.2.4 One-bit audio . 30 8.2.5 MIDI conformant data 31 8.2.6 SMPTE time code data 32 8.2.7 Sample count data . 32 8.2.8 High-precision multi-bit linear audio . 32 8.2.9 Ancillary data . 33 8.2.10 Application specific ancillary data 35 8.3 32-bit floating
16、-point data . 35 8.4 24-bit 4 audio pack 36 8.5 32-bit generic data 36 9 FDF definition 36 9.1 Overview 36 9.2 Basic format 37 9.3 Special format . 39 IEC 61883-6:2014 IEC 2014 3 10 FDF definition for AM824 data . 39 10.1 Definition of N-flag 39 10.2 Supplementary SFC definition . 39 10.3 Clock-base
17、d rate control mode (FDF = 0000 0xxx 2 ) 40 10.3.1 Introductory remark . 40 10.3.2 Default SFC table for (FDF = 0000 0xxx 2 ) . 40 10.4 Command-based rate control mode (FDF = 00001xxx 2 ) 41 10.4.1 Introductory remark . 41 10.4.2 Default SFC table for (FDF = 0000 1xxx 2 ) . 42 11 AM824 adaptation pr
18、ocess 42 11.1 Introductory remark . 42 11.2 Basic sequence conversion . 42 11.3 Sequence multiplexing 43 11.4 Compound data block structure . 43 11.4.1 General . 43 11.4.2 Compound data structure rule 44 12 AM824 sequence adaptation layers . 47 12.1 Overview 47 12.1.1 General . 47 12.1.2 IEC 60958 b
19、itstream 47 12.1.3 One-bit audio . 53 12.1.4 Non-linear audio data stream . 56 12.1.5 MIDI data stream . 56 12.1.6 SMPTE time code and sample count . 57 12.1.7 High-precision and double-precision multi-bit linear audio . 57 12.2 DVD-audio 62 12.2.1 General . 62 12.2.2 DVD-Audio specific ancillary da
20、ta 62 12.2.3 Data for CCI 64 12.2.4 Data for ISRC 64 12.2.5 Example of DVD-Audio stream 64 12.3 SACD definition 66 12.3.1 General . 66 12.3.2 SACD ancillary data 66 12.3.3 SACD supplementary data . 67 12.3.4 Multi-bit linear audio data 68 12.3.5 SACD Track_Mode&Flags data 68 12.3.6 SACD Track_Copy_M
21、anagement data . 68 12.3.7 Example of SACD streams. 68 12.4 Blu-ray Disc 70 12.4.1 General . 70 12.4.2 Structure of sample word for audio transmission 70 12.4.3 Multi-bit linear audio data 71 12.4.4 Blu-ray Disc specific ancillary data 71 12.4.5 Data transmitted at every data block 71 12.4.6 Data fo
22、r CCI 74 12.4.7 Example of Blu-ray Disc stream . 75 12.5 Multi-bit linear audio (MBLA) . 79 12.5.1 General . 79 4 IEC 61883-6:2014 IEC 2014 12.5.2 Structure of sample word for audio transmission 79 12.5.3 Fixed channels structure of sample word for audio transmission . 79 12.5.4 Variable channels st
23、ructure of sample word for audio transmission . 81 12.5.5 MBLA data . 83 12.5.6 MBLA specific ancillary data 83 12.5.7 Data transmitted at every data block of Group 1 for the fixed channels structure 83 12.5.8 Data transmitted at every data block of Group 2 for the fixed channels structure 86 12.5.9
24、 Data transmitted at every data block of Group 3 for the fixed channels structure 88 12.5.10 Data transmitted at every data block of Group 4 for the fixed channels structure 91 12.5.11 Data transmitted at every data block for the variable channels structure . 93 12.5.12 Data transmitted at extension
25、 channel bit order 1 for the variable channels structure 96 12.5.13 Data transmitted at extension channel bit order 2 for the variable channels structure 100 12.5.14 Data for CCI 102 12.5.15 Example of MBLA stream for the fixed channels structure . 103 12.5.16 Example of MBLA stream for the variable
26、 channels structure 105 Annex A (informative) Synchronization issues 108 A.1 General . 108 A.2 Delivery of sampling clock of arbitrary frequency 108 Annex B (informative) Catching up in non-blocking transmission method . 110 Annex C (informative) Transport characteristics . 111 C.1 Sampling-clock ji
27、tter characteristics 111 C.2 Sample clock transfer jitter mechanisms using A/M protocol . 111 C.2.1 General . 111 C.2.2 CYCLE_TIME register jitter 111 C.2.3 Time-stamp quantization jitter 112 C.3 Embedded sample-clock jitter . 113 C.3.1 Embedded sample-clock jitter spectrum . 113 C.3.2 Embedded samp
28、le-clock jitter amplitude 113 C.4 Jitter attenuation . 116 C.5 Jitter measurement . 116 Bibliography 118 Figure 1 Reference model for audio and music data transmission 16 Figure 2 Reference model for AM824 data transmission 17 Figure 3 Implementation example of receiver . 18 Figure 4 Isochronous pac
29、ket header 19 Figure 5 Common isochronous packet (CIP) format . 20 Figure 6 Non-blocking transmission method . 22 Figure 7 Transmission parameters . 23 Figure 8 Blocking transmission method 23 Figure 9 Cluster events 25 Figure 10 Pack and cluster events . 26 IEC 61883-6:2014 IEC 2014 5 Figure 11 Pac
30、k event with 24-bit event sequence. 26 Figure 12 Generic AM824 format . 27 Figure 13 AM824 data with SUB LABEL . 28 Figure 14 AM824 LABEL allocation map 28 Figure 15 IEC 60958 conformant data format . 29 Figure 16 MBLA data . 29 Figure 17 Raw audio data 30 Figure 18 Alignment of 20-bit data in 24-bi
31、t field 30 Figure 19 MIDI conformant data format 31 Figure 20 No-data format . 31 Figure 21 High-precision multi-bit linear audio data 32 Figure 22 Generic high-precision quadlet sequence . 33 Figure 23 Generic ancillary data 33 Figure 24 Ancillary no data 34 Figure 25 General format for ASID . 35 F
32、igure 26 General format for application-specific ancillary data . 35 Figure 27 32-bit floating-point data format 36 Figure 28 24-bit 4 audio pack format . 36 Figure 29 32-bit generic data format 36 Figure 30 Generic FDF definition . 37 Figure 31 FDF code for NO-DATA packet 39 Figure 32 Structure of
33、FDF for AM824 data type 39 Figure 33 SFC interpretation 40 Figure 34 FDF for AM824 and AM824 LABEL space 40 Figure 35 Adaptation to AM824 sequence 42 Figure 36 Asynchronous sequence multiplexing . 43 Figure 37 Example of compound data block . 44 Figure 38 Condition of AM824 rule . 44 Figure 39 Gener
34、ic compound data block structure . 45 Figure 40 Example of unspecified region structure . 46 Figure 41 Generic one-bit audio quadlet 54 Figure 42 Generic one-bit audio quadlet sequence 55 Figure 43 One-bit audio DST encoded quadlet . 55 Figure 44 Multiplexing of MIDI data streams 56 Figure 45 High-p
35、recision first ancillary data . 57 Figure 46 IEC 60958 conformant data with high-precision data 58 Figure 47 Common and application-specific ancillary data with high-precision data 59 Figure 48 High-precision channel assignment ancillary data 59 Figure 49 Example of high-precision data 60 Figure 50
36、Example of double-precision data 61 Figure 51 Example of double-precision compound data . 62 Figure 52 Data transmitted at data starting-point 63 Figure 53 Data transmitted at every data block 63 6 IEC 61883-6:2014 IEC 2014 Figure 54 Ancillary data for CCI . 64 Figure 55 Ancillary data for ISRC . 64
37、 Figure 56 Basic data block of DVD-Audio stream . 65 Figure 57 Example of DVD-Audio data . 66 Figure 58 SACD ancillary data . 67 Figure 59 SACD supplementary data . 68 Figure 60 SACD Track_Mode&Flags data 68 Figure 61 SACD Track_Copy_Management data . 68 Figure 62 Example of SACD stream in the case
38、of six channels . 69 Figure 63 Example of SACD stream in the case of five channels 70 Figure 64 Basic data blocks of Blu-ray Disc . 71 Figure 65 Data transmitted at every data block 72 Figure 66 Ancillary data for CCI . 75 Figure 67 Basic data block of Blu-ray Disc . 75 Figure 68 Examples of Blu-ray
39、 Disc stream of one channel 76 Figure 69 Example of Blu-ray Disc stream of two channels 77 Figure 70 Example of Blu-ray Disc stream of three channels (3/0) . 78 Figure 71 Example of Blu-ray Disc stream three channels (2/1) . 78 Figure 72 Example of Blu-ray Disc stream of four channels (2/2) . 79 Fig
40、ure 73 Basic data block of the fixed channels structure 81 Figure 74 Basic data block of the variable channels structure . 83 Figure 75 Data transmitted at every data block of Group 1 for the fixed channels structure . 84 Figure 76 Data transmitted at every data of Group 2 for the fixed channels str
41、ucture 86 Figure 77 Data transmitted at every data block of Group 3 for the fixed channels structure . 89 Figure 78 Data transmitted at every data block of Group 4 for the fixed channels structure . 91 Figure 79 Data transmitted at every data block for the variable channels structure 93 Figure 80 Da
42、ta transmitted at extension channel bit order 1 for the variable channels structure . 96 Figure 81 Data transmitted at extension channel bit order 2 for the variable channels structure . 100 Figure 82 Ancillary data for CCI . 102 Figure 83 Examples of MBLA stream for the fixed channels structure of
43、one channel 104 Figure 84 Examples of MBLA stream for the fixed channels structure of two channels 104 Figure 85 Example of MBLA stream for the fixed channels structure of three channels (3/0) . 105 Figure 86 Example of MBLA stream for the fixed channels structure of four channels (2/2) 105 Figure 8
44、7 Examples of MBLA stream for the variable channels structure of one channel . 106 Figure 88 Example of MBLA stream for the variable channels structure two channels . 106 Figure 89 Example of MBLA stream for the variable channels structure of three channels (3/0) . 106 IEC 61883-6:2014 IEC 2014 7 Fi
45、gure 90 Example of MBLA stream for the variable channels structure of four channels (2/2) . 107 Figure 91 Example of MBLA stream for the fixed channels structure of seven channels . 107 Figure C.1 Two-node bus . 113 Figure C.2 Three-node bus 114 Figure C.3 Thirty-five-node bus 115 Figure C.4 Sample-
46、clock recovery jitter attenuation template . 116 Figure C.5 Sample clock jitter measurement filter characteristic . 117 Table 1 Isochronous packet header fields 19 Table 2 CIP fields 20 Table 3 LABEL definition 28 Table 4 SB and SF definitions 29 Table 5 ASI1 definition . 30 Table 6 VBL (valid bit l
47、ength code) definition . 30 Table 7 LABEL definition for one-bit audio (plain) 31 Table 8 LABEL definition for one-bit audio (encoded). 31 Table 9 C (counter) definition . 31 Table 10 Num. (slot number) definition 32 Table 11 LABEL definition for ancillary data type . 33 Table 12 LABEL definition fo
48、r common ancillary data . 34 Table 13 CONTEXT definition 34 Table 14 SUB LABEL definition for ASID . 35 Table 15 LABEL definition for application specific ancillary data 35 Table 16 Subformat and FDF allocations . 37 Table 17 DBS for AM824 and 32-bit floating-point data 37 Table 18 DBS for 24-bit 4 audio pack 37 Table 19 Event type (EVT) code definition . 37 Table 20 Default SFC table 38 Table 21 TRANSFER_DELAY for blocking transmission 38 Table 22 Default SFC table for FDF = 0000 0xxx 2. 41 Table 23 TRANSFER_DELAY for blocking transmission 41 Table 24 Default
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