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Chroma subsampling
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===4:4:4=== [[File:Yuvformats444sampling.svg|thumb|4:4:4 sampling]] Each of the three [[Y'CbCr]] components has the same sample rate, thus there is no chroma subsampling. This scheme is sometimes used in high-end film scanners and cinematic post-production. "4:4:4" may instead be wrongly referring to [[R'G'B']] color space, which implicitly also does not have any chroma subsampling (except in JPEG R'G'B' can be subsampled). Formats such as [[HDCAM SR]] can record 4:4:4 R'G'B' over dual-link [[HD-SDI]].
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