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| record. Code 709 | |
 BT.709 primaries shown on the CIE 1931 x, y chromaticity diagram. All chromaticities of the BT.709 color gamut fall within the triangle that connects the primaries. This includes Illuminant D65, the white point. | |
| Status | Approved |
|---|---|
| First published | November 16, 1993[1][2] |
| Latest version | BT.709-6 June 17, 2015[1][3] |
| Authors | ITU-R |
| Base standards | Rec.709, BT.709, ITU—709 |
| Domain | Digital image processing |
| Website | www |
ITU-R Recommendation 709, usually abbreviated Rec. 709, BT.709, or ITU-R 709, is a standard developed by the Radiocommunication Sector of the International Telecommunication Union (ITU-R) for image encoding and signal characteristics of high-definition television (HDTV).[3] The standard specifies a scheme for digital encoding of colors as triplets of small integers, a widescreen format with 1080 active lines per picture and 1920 square pixels per line (a 16:9 aspect ratio), as well as several details of signal capture, transmission, and display. While directed to HDTV, some of its specifications (such as the color encoding) have also been adopted for other uses.[4]
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