Rec. 709

ITU-R BT.709BT.709ITU-R BT.709-5field rateITU-R Rec. 709Rec.709Recommendation ITU-R BT.709
ITU-R BT.709, more commonly known by the abbreviations '''Rec.wikipedia
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High-definition television

HDTVhigh definitionHD
709 or BT.709''', standardizes the format of high-definition television, having 16:9 (widescreen) aspect ratio.
The standardization of MPEG-1 in 1993 also led to the acceptance of recommendations ITU-R BT.709.

1080i

1080i501080i601080i25
The 1035i30 system is now obsolete, having been superseded by 1080i and 1080p square-sampled ("square-pixel") systems.
1080i (also known as Full HD or BT.709) is an abbreviation referring to a combination of frame resolution and scan type, used in high-definition television (HDTV) and high-definition video.

ITU-R

CCIRITU Radiocommunication SectorComité Consultatif International pour la Radio
ITU-R BT.709, more commonly known by the abbreviations '''Rec.
Rec. 709

SRGB

sRGB color space standard Red Green Blue (rRGB)sRGB standard
709 color space (and the derivative sRGB color space) is almost identical to Rec. 601 and covers 35.9%. sRGB: IEC 61966-2-1:1999
sRGB uses the ITU-R BT.709 primaries, the same as in studio monitors and HDTV, a transfer function (gamma curve) typical of CRTs, and a viewing environment designed to match typical home and office viewing conditions.

Progressive segmented frame

PsF25PsF48 field per second (24 frame/s) video standard
Video captured as progressive can be transported with either progressive transport or progressive segmented frame (PsF)
PsF has been recognized by Recommendation ITU-R BT.709 as a legitimate way to transport progressive frames within an interlaced system.

Ultra-high-definition television

Ultra HDUHDUHDTV
Rec. 2020, a standard for ultra high definition television (UHDTV) with standard dynamic range
UHDTV allows the future use of the new Rec. 2020 (UHDTV) color space which can reproduce colors that cannot be shown with the current Rec. 709 (HDTV) color space.

Primary color

primary colorsprimary coloursprimary
The ITU-R BT.709-5/sRGB primaries are typical.

Rec. 601

ITU-R BT.601BT.601CCIR
709 color space (and the derivative sRGB color space) is almost identical to Rec. 601 and covers 35.9%. 709's nominal ranges are the same as those defined in ITU Rec. 601. Rec. 601, a comparable standard for standard-definition television (SDTV)
Rec. 709, the corresponding standard for high-definition television (HDTV)

Rec. 2020

BT.2020ITU-R BT.2020ITU-R Recommendation BT.2020
Rec. 2020, a standard for ultra high definition television (UHDTV) with standard dynamic range
2020 (UHDTV/UHD-1/UHD-2) color space can reproduce colors that cannot be shown with the Rec. 709 (HDTV) color space.

Color space

colour spaceabsolute color spacecolorspace
It is based on the ITU BT.601 and BT.709 standards but extends the gamut beyond the R/G/B primaries specified in those standards.

Standard-dynamic-range video

standard dynamic rangestandard
Rec. 2020, a standard for ultra high definition television (UHDTV) with standard dynamic range
Conventional gamma curves include Rec. 601 and Rec. 709.

Widescreen

wide screenwide-screenwidescreen format
709 or BT.709''', standardizes the format of high-definition television, having 16:9 (widescreen) aspect ratio.

Aspect ratio (image)

4:3aspect ratio16:9
709 or BT.709''', standardizes the format of high-definition television, having 16:9 (widescreen) aspect ratio.

Multiple sub-Nyquist sampling encoding

MUSEHi-Vision1035i30
Part 1 codifies what are now referred to as 1035i30 and 1152i25 HDTV systems.

HD-MAC

1152i25Mac HD
Part 1 codifies what are now referred to as 1035i30 and 1152i25 HDTV systems.

NTSC

analog30panalogue broadcasting
Note that red and blue are the same as the EBU Tech 3213 primaries while green is halfway between EBU Tech 3213 and SMPTE C (two types of Rec.601).

CIE 1931 color space

XYZtristimulustristimulus value
In coverage of the CIE 1931 color space the Rec.

Standard-definition television

SDTVstandard definitionSD
Rec. 601, a comparable standard for standard-definition television (SDTV)

Rec. 2100

BT.2100Rec. ITU-R BT.21002100
Rec. 2100, a standard for HDTV and UHDTV with high dynamic range

1080p

full HD1080p301080p HD
1080p (1920×1080 px; also known as Full HD or FHD and BT.709) is a set of HDTV high-definition video modes characterized by 1,920 pixels displayed across the screen horizontally and 1,080 pixels down the screen vertically; the p stands for progressive scan, i.e. non-interlaced.

4K resolution

4K4K video4K Ultra HD
Colorimetry characteristics as defined in the standard, including color primaries, quantization parameters, and the electro-optical transfer function. These are the same characteristics later standardized in ITU-R BT.2020. UHDTV1 systems are permitted to use BT.709 color primaries up to 60Hz.

VP9

The VP9 format supports the following color spaces: Rec. 601, Rec. 709, Rec. 2020, SMPTE-170, SMPTE-240, and sRGB.