subsampling

Noun

Meaning

The creation of subsamples

A subordinate sampling

Source: en.wiktionary.org

Examples

Different codecs use different chroma subsampling ratios as appropriate to their compression needs. Source: Internet

Because of subsampling, Y'CbCr video must always be stored using even dimensions ( divisible by 2), otherwise chroma mismatch ("ghosts") will occur, and it will appear as if the color is ahead of, or behind the rest of the video, much like a shadow. Source: Internet

Because the human eye is much more sensitive to small changes in brightness (the Y component) than in color (the Cr and Cb components), chroma subsampling is a very effective way to reduce the amount of video data that needs to be compressed. Source: Internet

Chroma resolution is improved by using 4:2:2 chroma subsampling. Source: Internet

Chroma subsampling can reduce the BPP to 16 or 12 bits/pixel. Source: Internet

It offered 480 or 576 lines of progressive scan recording with 4:2:0 chroma subsampling and four 16-bit 48 kHz PCM audio channels. Source: Internet

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