Audio Repair & Restoration

Rescuing recordings that are not right.

Noise, clicks, clipping, room resonance and the limits of what can be fixed after the fact.

Diagnosis

Naming the problem.

1. Identifying noise, hum and buzz
2. Clipping and distortion: what can be saved
3. Room resonance and comb filtering
4. Sibilance, plosives and mouth noise

Repair

The tools and their limits.

1. Noise reduction without artefacts
2. Notching out hum and its harmonics
3. Fixing clicks by hand
4. Spectral repair
5. When to stop and re-record
6. Rescue a bad recording
7. Repair final