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Denoise noisy footage with the FFmpeg fftdnoiz filter
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What this guide covers
For editors with grainy or high-ISO clips who want to try frequency-domain denoising. You end with a cleaned clip tuned for strength, block size and neighbouring frames. It follows the FFmpeg filters manual and was not run; the manual recommends no values.
More about this guide
Guide ID: art_01M6W5RXP2X1W5DFXHCV2PKSD5
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Guide title
Denoise noisy footage with the FFmpeg fftdnoiz filter
Coverage
For editors with grainy or high-ISO clips who want to try frequency-domain denoising. You end with a cleaned clip tuned for strength, block size and neighbouring frames. It follows the FFmpeg filters manual and was not run; the manual recommends no values.
Example
A hypothetical high-ISO night clip compared at one sigma and amount, then with neighbouring frames added; nothing was run.
Useful starting points
- Visible blocks come from a high sigma combined with low overlap.
- Waxy-looking skin means too much denoising; lower sigma or amount.
- Test on a short section first; this kind of filtering is usually slower than simple denoisers (general knowledge, not in the manual).
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