How to clean noisy audio
Updated August 2026 · Conservative gates only
Noise in a mix is not one problem. Hiss in a quiet verse, sub rumble under an 808, DC offset, and clipped transients each need a different tool. CoProducer’s auto-repair only fires when the meter evidence is strong enough that the fix is unlikely to thin the record.
What the engine will try
| Evidence | Action | What it will not do |
|---|---|---|
| Noise floor in the rumble window (~−70 to −42 dBFS), DC offset, or sub-bass dominating bass | 25 Hz high-pass | Broadband denoise / “AI vocal print” |
| LUFS far from −14 or true peak over −1.0 dBTP | loudnorm, then a hard true-peak cap | Multiband glue, clipper, or “make it radio” |
| Clipped samples | Limit the output; caution stays | Reconstruct flattened transients |
| Phase < 0.1 | Caution only | Auto stereo repair |
That is why the web analyzer projects the post-repair numbers instead of rendering a “cleaned” file in the browser. The desktop app is where Pedalboard/FFmpeg actually write a WAV you can audition.
Order of operations
- Measure first. Guessing at EQ before LUFS/true peak is how mixes get smaller.
- Fix clips at the source if you still have the session.
- Then delivery: loudness + true-peak ceiling.
- Listen in mono after any width or phase warning.
Hear Drippin drop 231k clips to zero on the A/B demo, then run your own file.