Audacity

Audacity Resources

Audacity Preferences

Go to Edit > Preferences

Audiobook Mastering with Audacity

  1. Open all files in one Audacity session and select-all (CTRL-A)
  2. Effect > Normalize > Settings: Check remove DC offset; Check Normalize maximum…; -3dB; Uncheck Normalize stereo…
  3. Effect > High Pass Filter > Settings: Roll-off = 48 dB; Cutoff = 100Hz
  4. Effect > Low Pass Filter > Settings: Roll-off = 48 dB; Cutoff = 11000 Hz
  5. Effect > Leveller > Settings: Degree = HEAVIER; Threshold = -70 dB
  6. Effect > Compressor > Settings: Threshold = -13 dB; Noise Floor = -60 dB; Ratio = 2.5:1; Attack Time = 0.5 secs; Decay Time = 1.0 secs; Check Make-up…; Uncheck Compress…
  7. Effect > Normalize > Settings: Check remove DC offset; Check Normalize maximum…; -3dB; Uncheck Normalize stereo…