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Reduce chroma noise with FFmpeg chromanr
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What this guide covers
For editors with blotchy colour noise from low light or heavy compression who want to smooth chroma without touching luma. It explains the threshold, averaging size and step settings. Based on the FFmpeg manual; no command was run.
More about this guide
Guide ID: art_01M6WFZMD9BPRSRQ49RBD1WEHK
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Guide title
Reduce chroma noise with FFmpeg chromanr
Coverage
For editors with blotchy colour noise from low light or heavy compression who want to smooth chroma without touching luma. It explains the threshold, averaging size and step settings. Based on the FFmpeg manual; no command was run.
Example
A hypothetical dim bar scene where the threshold is raised from 30 to 40 while watching for colour smearing; nothing was run.
Useful starting points
- Colour bleeding across edges means the threshold or size is too high; still-blotchy colour means the threshold is too low.
- Larger step values speed filtering up, which matters with large averaging rectangles.
- Luma should stay unchanged; only colour is smoothed.
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