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861协议2016年最新版本.pdf
1 2017-11-03_CTA-861-G_Notice
CTA-861-G FINAL (revised 2017)
1 2017-11-03_CTA-861-G_Notice
2 CTA-861-G-Errata
3 Front Cover - CTA-861-G 110117
4 back cover
CTA
November 28, 2017
Users, Implementers and SDOs that reference CTA‐861, A DTV Profile for Uncompressed
To:
High‐Speed Digital Interfaces
From:
Date:
Subject: CTA‐861‐G
You are being contacted as you have previously obtained a copy CTA‐861‐E, ANSI/CTA‐861‐F or
ANSI/CTA‐861‐G. These documents have been revised from their original published versions to
remove references to Adobe. The company in question requested this change, citing the fact that
its company name is trademarked. The specific revisions that have been made include:
2.1.2.1
2.2
2.2
5.2.1
5.3
Removal of informative reference 89
The term defined as “the optional RGB color space defined in IEC 61966‐2‐5” was
renamed “opRGB.”
The term defined as “the luma‐chroma‐chroma (YCC) color space defined in Annex
A of IEC 61966‐2‐5. The ITU‐R BT.601 color conversion matrix is used to transform
RGB values to YCC values” was renamed “opYCC601.”
The new term “opYCC601” replaced a company specific reference.
The new term “opYCC601” replaced a company specific reference. Also, the new
term “opRGB” replaced a company specific reference.
Table 13 The new term “opYCC601” replaced a company specific reference. Also, the new
term “opRGB” replaced a company specific reference.
Table 14 The new term “opYCC601” replaced a company specific reference in three places.
Also, the new term “opRGB” replaced a company specific reference.
The new term “opYCC601” replaced a company specific reference. Also, the new
term “opRGB” replaced a company specific reference.
Table 70 The new term “opYCC601” replaced a company specific reference. Also, the new
term “opRGB” replaced a company specific reference.
Table 71 The new term “opYCC601” replaced a company specific reference. Also, the new
term “opRGB” replaced a company specific reference.
The new term “opYCC601” replaced a company specific reference in two places.
Also, the new term “opRGB” replaced a company specific reference.
6.4
7.5.6
No other changes have been made to CTA‐861‐G today. Please note that there is also an erratum
dated September 13, 2017.
Users are cautioned that implementation of Adobe RGB (1998) requires compliance with Adobe
RGB (1998) Color Image Encoding, Version 2005‐05, May 2005, Adobe Systems Incorporated. Any
use of the name Adobe RGB must be a reference to the Adobe RGB (1998) color space and color
encodings as defined exclusively by Adobe, and CTA‐861 adopters should not use the Adobe RGB
trademark in connection with their implementations of that standard.
Users interested in information about the implementation of Adobe RGB should contact Adobe‐
use@adobe.com.
To: Users of CTA‐861‐G, A DTV Profile for Uncompressed High Speed Digital Interfaces
From: CTA Technology & Standards Department
Date: September 13, 2017
Subject: AVI InfoFrame Version Errata
Please note that there are several errors in the published version of CTA‐861‐G (November 2016).
Changed pages with the corrections are provided. We apologize for any inconvenience.
• Page 54, Section 6.4, last sentence of paragraph preceding Table 8 – Two sentences removed:
“A Version 3 AVI InfoFrame shall be used and the Version field set to 0x03 (indicating that the Sink shall
decode the additional most‐significant bits) whenever either of the most‐significant bits Y2 or VIC7 are
set to '1'. If both Y2 and VIC7 are set to '0', then a Version 2 AVI InfoFrame shall be used and the Version
field shall be set to 0x02 (indicating that the Sink does not have to decode the additional most‐
significant bits).”
• Page 54, Section 6.4, following Table 9 – Six new paragraphs and algorithm pseudocode added after
the last paragraph
“All fields of the Version 4 AVI InfoFrame are described in Table 9. All fields of the Version 4 AVI
InfoFrame are the same as Version 3 AVI InfoFrame, except for the InfoFrame Version Number, Length
of AVI InfoFrame, and additional Data Byte 14.”
as follows:
“
Sinks that support AVI InfoFrames shall include support for AVI InfoFrame Version 2.
Sinks implicitly advertise support for Version 3 AVI InfoFrames by declaring support for VIC≥128 or Y=7
or both.
Sinks implicitly advertise support for both Versions 3 and 4 AVI InfoFrames by declaring support for any
standard indicated by ACE (Additional Colorimetry Extension listed in Table 25) in their Colorimetry Data
Block (Table 70). Sinks that support AVI InfoFrame Version 4 shall also support AVI InfoFrame Version 3.
Sources shall not send AVI InfoFrame Version 3 to Sinks that do not indicate support for AVI InfoFrame
Version 3 as described above.
Sources shall not send AVI InfoFrame Version 4 to Sinks that do not indicate support for AVI InfoFrame
Version 4 as described above.
When Y2 = 0, the following algorithm shall be used for AVI InfoFrame version selection:
if (C=3 and EC=7)
Sources shall use AVI InfoFrame Version 4.
Else if (VIC≥128)
Sources shall use AVI InfoFrame Version 3.
Sources shall use AVI InfoFrame Version 2.
Else
End if
“
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NOTICE
Consumer Technology Association (CTA)™ Standards, Bulletins and other technical publications
are designed to serve the public interest through eliminating misunderstandings between
manufacturers and purchasers, facilitating interchangeability and improvement of products, and
assisting the purchaser in selecting and obtaining with minimum delay the proper product for his
particular need. Existence of such Standards, Bulletins and other technical publications shall not in
any respect preclude any member or nonmember of the Consumer Technology Association from
manufacturing or selling products not conforming to such Standards, Bulletins or other technical
publications, nor shall the existence of such Standards, Bulletins and other technical publications
preclude their voluntary use by those other than Consumer Technology Association members,
whether the standard is to be used either domestically or internationally.
Standards, Bulletins and other technical publications are adopted by the Consumer Technology
Association in accordance with the American National Standards Institute (ANSI) patent policy.
By such action, the Consumer Technology Association does not assume any liability to any patent
owner, nor does it assume any obligation whatever to parties adopting the Standard, Bulletin or
other technical publication.
This document does not purport to address all safety problems associated with its use or all
applicable regulatory requirements. It is the responsibility of the user of this document to establish
appropriate safety and health practices and to determine the applicability of regulatory limitations
before its use.
This document is copyrighted by the Consumer Technology Association (CTA)™ and may not be
reproduced, in whole or part, without written permission. Federal copyright law prohibits
unauthorized reproduction of this document by any means. Organizations may obtain permission
to reproduce a limited number of copies by entering into a license agreement. Requests to
reproduce text, data, charts, figures or other material should be made to the Consumer Technology
Association (CTA)™.
(Formulated under the cognizance of the CTA R4.8 DTV Interface Subcommittee.)
Published by
CONSUMER TECHNOLOGY ASSOCIATION 2016
Technology & Standards Department
www.cta.tech
All rights reserved
CTA-861-G
Contents
1 Scope....................................................................................................................................................... 10
2 General .................................................................................................................................................... 10
2.1 References ...................................................................................................................................... 10
2.1.1 Normative References .............................................................................................................. 10
2.1.1.1 Normative Reference List ................................................................................................ 10
2.1.1.2 Normative Reference Acquisition .................................................................................. 12
2.1.2 Informative References ............................................................................................................ 13
2.1.2.1 Informative Document List .............................................................................................. 13
2.1.2.2 Informative Document Acquisition ................................................................................ 15
2.2 Definitions ....................................................................................................................................... 16
2.3 Symbols and Abbreviations .......................................................................................................... 21
2.4 Compliance Notation ...................................................................................................................... 23
2.5 Hexadecimal Notation .................................................................................................................... 23
2.6 HxV Video Timing Notation ........................................................................................................... 23
2.7 Bit Naming Conventions ................................................................................................................ 23
2.8 ASCII Codes, Characters & Strings .............................................................................................. 23
3 Overview ................................................................................................................................................. 23
3.1 General Video Format Requirements for Sources ...................................................................... 24
3.2 General Video Format Requirements for Sinks ........................................................................... 24
4 Video Formats and Waveform Timings ............................................................................................... 25
4.1 Aspect Ratio .................................................................................................................................... 39
4.2 Frame Rate Relationships ............................................................................................................. 45
5 Color Encoding, Sampling, & Conversion ........................................................................................... 46
5.1 Default Encoding Parameters ....................................................................................................... 46
5.2 Color Component Samples ........................................................................................................... 46
5.2.1 RGB-to-YCBCR Conversion Matrices....................................................................................... 46
5.2.2 Sample Lattice........................................................................................................................... 47
5.3 Transfer Characteristic (e.g., gamma correction) ....................................................................... 48
5.4 Color Coding & Quantization ........................................................................................................ 49
6 Auxiliary Information Carried from Source to Sink ............................................................................ 50
6.1 Vendor-Specific InfoFrames .......................................................................................................... 51
6.1.1 Multiple VSIF Handling ............................................................................................................. 52
6.2 Auxiliary Video Information (AVI) InfoFrame ............................................................................... 53
6.3 Format of Version 1 AVI InfoFrame .............................................................................................. 53
6.4 Format of Version 2, 3, & 4 AVI InfoFrames ................................................................................. 53
6.5 Source Product Description (SPD) InfoFrame ............................................................................. 71
6.6 Audio InfoFrame ............................................................................................................................. 73
6.6.1 Audio Identification Information ............................................................................................. 75
6.6.2 Speaker Mapping and Down-mix Information ....................................................................... 77
6.6.3 Delivery According to the Speaker Mask (Byte 4 = 0xFE) .................................................... 81
6.6.4 Delivery by Channel Index (Byte 4 = 0xFF) ............................................................................ 82
6.6.5 Additional Audio InfoFrame Information ................................................................................ 82
6.7 MPEG Source InfoFrame ............................................................................................................... 82
6.8 NTSC VBI InfoFrame....................................................................................................................... 83
6.9 Dynamic Range and Mastering InfoFrame ................................................................................... 84
6.9.1 Static Metadata Type 1 ............................................................................................................. 85
6.10 Extended InfoFrame ..................................................................................................................... 87
i
CTA-861-G
6.10.1 HDR Dynamic Metadata Extended InfoFrame ...................................................................... 88
7 EDID Data Structure ............................................................................................................................... 90
7.1 Use of CTA Extensions .................................................................................................................. 90
7.2 Describing Video Formats in EDID ............................................................................................... 91
7.2.1 Use of EDID Detailed Timing Descriptors .............................................................................. 91
7.2.2 Order of Dual-Aspect Ratio Detailed Timing Descriptors .................................................... 93
7.2.3 Source Requirements and Recommendations ...................................................................... 93
7.3 CTA Extension Version 1 ............................................................................................................... 93
7.4 CTA Extension Version 2 ............................................................................................................... 95
7.5 CTA Extension Version 3 ............................................................................................................... 95
7.5.1 Video Data Block..................................................................................................................... 100
7.5.2 Audio Data Block .................................................................................................................... 102
7.5.3 Speaker Allocation Data Block .............................................................................................. 104
7.5.4 Vendor-Specific Data Block ................................................................................................... 104
7.5.5 Colorimetry Data Block .......................................................................................................... 105
7.5.6 Video Capability Data Block .................................................................................................. 106
Vendor-Specific Video Data Block................................................................................... 108
7.5.7
7.5.8
Vendor-Specific Audio Data Block .................................................................................. 109
7.5.9
InfoFrame Data Block ....................................................................................................... 109
7.5.10 YCBCR 4:2:0 Video Data Block .......................................................................................... 111
7.5.11 YCBCR 4:2:0 Capability Map Data Block .......................................................................... 112
7.5.12 Video Format Preference Data Block .............................................................................. 113
7.5.13 HDR Static Metadata Data Block...................................................................................... 114
7.5.14 HDR Dynamic Metadata Data Block .................................................................................... 115
7.5.15 Room Configuration Data Block ......................................................................................... 117
7.5.16 Speaker Location Data Block .............................................................................................. 118
7.5.16.1 Room Coordinate System ........................................................................................... 119
Annex A Baseline Example EDID and Detailed Timing Descriptors (Informative) ........................... 121
A.1 Background .................................................................................................................................. 121
A.2 EDID Tables .................................................................................................................................. 121
A.2.1 EDID Table Construction ....................................................................................................... 121
A.2.2 Detailed Explanation of EDID Block Zero ............................................................................ 122
A.2.3 Block Zero Header Section ................................................................................................... 122
A.2.4 Vendor / Product Identification ............................................................................................. 122
A.2.5 EDID Version ........................................................................................................................... 123
A.2.6 Basic Display Parameters and Features .............................................................................. 124
A.2.7 Color Characteristics ............................................................................................................. 126
A.2.8 Established Timings .............................................................................................................. 127
A.2.9 Standard Timing ID #1 – 8 ..................................................................................................... 128
A.2.10 Detailed Timing Descriptor Block....................................................................................... 128
A.2.10.1 First Detailed Timing Descriptor ................................................................................ 128
A.2.10.2 Second Detailed Timing Descriptor .......................................................................... 129
A.2.10.3 First Monitor Descriptor (Monitor Name) .................................................................. 130
A.2.10.4 Second Monitor Descriptor (Monitor Range Limits) ................................................ 131
A.2.11 Extension Flag and Checksum ........................................................................................... 132
A.2.11.1 Block One Details ........................................................................................................ 133
A.2.12 Overview of Extensions ....................................................................................................... 133
A.2.13 Block One CTA Extension Header...................................................................................... 134
A.2.14 Third Detailed Timing Descriptor ....................................................................................... 135
A.2.15 Fourth Detailed Timing Descriptor ..................................................................................... 135
A.2.16 Descriptor Defined by Manufacturer .................................................................................. 136
A.2.17 Monitor Serial Number ......................................................................................................... 137
A.2.18 Residual Byte Padding and Check Sum ............................................................................ 137
A.2.19 Hot Plugging Sequence ....................................................................................................... 139
ii
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