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3:1:1 |
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3:1:1The compression notation in Sony's HDCAM high-definition digital Betacam videotape. In most subsampling, the two color signals are compressed, not the luma, and the luma is expressed as the first digit in the notation; for example, 4:2:2 and 4:2:0. HDCAM notation begins with the digit "3" because the luma is also compressed to 1440 pixels from 1920, and the chroma is one third the luma rate. See chroma subsampling. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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