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Digital Video and HD, 2nd Edition by Charles Poynton

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29

Component video colour coding for SD

Various scale factors are applied to the basic colour difference components B’-Y’ and R’-Y’ for different applications. In the previous chapter, I introduced luma and colour difference coding; in this chapter, I will detail the following coding systems:

B’-Y’, R’-Y’ components form the numerical basis for all the other component sets; otherwise, they are not directly used.

PBPR components are used for component analog video (including analog interfaces in devices such as DVD players and set-top boxes).

CBCR components as defined in BT.601 and BT.709 are used for component digital video, including studio video, DV, MPEG, and H.264.

• “Full-swing” (or “full-range”) CBCR components are used in JPEG/JFIF. ...

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