CEA-770.3-C-2001.pdf
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1、 CEA Standard High Definition TV Analog Component Video Interface CEA-770.3-C November 2001 Copyright Consumer Electronics Association Provided by IHS under license with CEA Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/30/2007 20:59:37 MDTNo reproduction or networking perm
2、itted without license from IHS -,-,- NOTICE CEA 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 p
3、urchaser 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 CEA from manufacturing or selling products not conforming to such St
4、andards, 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 CEA members, whether the standard is to be used either domestically or internationally. Standards, Bulletins and
5、other technical publications are adopted by CEA in accordance with the American National Standards Institute (ANSI) patent policy. By such action, CEA does not assume any liability to any patent owner, nor does it assume any obligation whatever to parties adopting the Standard, Bulletin or other tec
6、hnical publication. This CEA Standard is considered to have International Standardization implication, but the International Electrotechnical Commission activity has not progressed to the point where a valid comparison between the CEA Standard and the IEC document can be made. This Standard does not
7、 purport to address all safety problems associated with its use or all applicable regulatory requirements. It is the responsibility of the user of this Standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations before its use. (From Pro
8、ject Number 4990, formulated under the cognizance of the CEA R4.8 DTV Interface Subcommittee.) Published by CONSUMER ELECTRONICS ASSOCIATION 2002 Technology Amendment 2 (60169-8-am2-1997-11), Annex A (informative): Information for interface dimensions of 75 ohm characteristic impedance connector wit
9、h unspecified reflection factor ITU-R BT.709-2, Parameter Values for the HDTV Standard for Production and International Program Exchange ANSI/SMPTE Standard 274M (1995), Standard for Television - 1920 X 1080 Scanning and Analog and Parallel Digital Interfaces for Multiple-Picture Rates ANSI/SMPTE St
10、andard 296M (1997), Standard for Television - 1280 X 720 Scanning, Analog and Digital Representation and Analog Interface 1 This document was formerly designated as IEC 169-8. 1 Copyright Consumer Electronics Association Provided by IHS under license with CEA Licensee=IHS Employees/1111111001, User=
11、Wing, Bernie Not for Resale, 03/30/2007 20:59:37 MDTNo reproduction or networking permitted without license from IHS -,-,- CEA-770.3-C NOTE-By permission from the Society of Motion Picture and Television Engineers, sections of this standard are directly obtained from SMPTE Standard 274M (1995) and S
12、MPTE Standard 296M. SMPTE RP 177 (1993), Derivation of Basic Television Color Equations 2.1.2 Normative Reference Acquisition CIE Standards: Global Engineering Documents, World Headquarters, 15 Inverness Way East, Englewood, CO USA 80112-5776; Phone 800-854-7179; Fax 303-397-2740; Internet http:/; E
13、mail IEC Standards: Global Engineering Documents, World Headquarters, 15 Inverness Way East, Englewood, CO USA 80112-5776; Phone 800-854-7179; Fax 303-397-2740; Internet http:/; Email IEC Central Office, 3, rue de Varembe, PO Box 131, CH-1211 Geneva 20, Switzerland; Phone +41 22 919 02 11; Fax +41
14、 22 919 03 00; Internet http:/www.iec.ch; Email pubinforiec.ch ITU Standards: International Telecommunications Union, Place des Nations, CH-1211 Geneva 20, Switzerland; Phone +41 22 730 5111; Fax +41 22 733 7256; Internet http:/www.itu.ch/publications/bookstore.html; Email itumailitu.int SMPTE Stand
15、ards: Society of Motion Picture Web: http:/www.smpte.org 3 General Scanning systems allowed in this standard shall conform to the parameters in Table 1. Scanning Nomenclatur e Samples per active line (S/AL) Active lines per frame Frame Rate (Hz) Scanning format Pixel Freq. (MHz) Samples per total li
16、ne (S/TL) Total lines per frame 1 1280 x 720 1280 720 60 Progressive 74.25 1650 750 2 1280 x 720 1280 720 60/1.001 Progressive 74.176 1650 750 3 1920 x 1080 1920 1080 30 2:1 Interlace 74.25 2200 1125 4 1920 x 1080 1920 1080 30/1.001 2:1 Interlace 74.176 2200 1125 Note-Scanning systems 1 systems 3 li
17、nes in a frame shall be uniformly scanned from top to bottom. Lines are numbered in time sequence according to the raster structure described in Section 6. 2 Copyright Consumer Electronics Association Provided by IHS under license with CEA Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for
18、 Resale, 03/30/2007 20:59:37 MDTNo reproduction or networking permitted without license from IHS -,-,- CEA-770.3-C 4.3 Timing Instants Timing instants in each line shall be defined with respect to a horizontal datum denoted by 0H that is established by horizontal synchronizing (sync) information in
19、Section 7. Each line shall be represented by a number of samples, equally spaced, as indicated by the column S/TL in Table 1. The time between any two adjacent sample instants is called the reference clock interval T. In each scanning system of Table 1, T shall be equal to the inverse of pixel frequ
20、ency. 4.4 Progressive Systems A progressive system shall convey all the active picture lines per frame in order from top to bottom. 4.5 Interlaced Systems An interlaced system shall scan a frame as a first field then as a second field, in which the scan lines of each field have twice the vertical sp
21、atial sampling pitch of the frame. Scanning lines in the second field shall be displaced vertically by the vertical sampling pitch, and scanning timing shall be delayed temporally by half the frame time, from scanning lines in the first field. For the 1080i system, the first field shall convey 540 a
22、ctive picture lines, starting with the top picture line of the frame. The second field shall convey 540 active picture lines, ending with the bottom picture line of the frame. 5 System Colorimetry 5.1 Colorimetric Analysis and Optoelectronic Transfer Equipment should be designed in accordance with t
23、he colorimetric analysis and optoelectronic transfer function defined in this section. This corresponds to ITU-R BT.709. Throughout this standard, references to signals, represented by a single primed letter such as R, G, B, refer to signals to which the following transfer characteristics have been
24、applied. Such signals are commonly described as being gamma corrected. 5.2 Wide-Gamut Color Signals Digital representation and treatment of wide-gamut color signals are not specified in the current edition of the international standard for HDTV colorimetry, ITU-R BT.709-2. In particular, coding rang
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