| Lo-Fi & Destruction | acrusher | ffmpeg -i input.aif -af "acrusher=level_in=8:bits=4:mode=log" output.wav |
| | superequalizer, volume | ffmpeg -i input.aif -af "superequalizer=1b=20:2b=20:3b=20,volume=10" output.wav |
| Time-Based & Modulation | chorus | ffmpeg -i input.aif -af "chorus=0.5:0.9:50:0.4:0.25:2" output.wav |
| | flanger | ffmpeg -i input.aif -af "flanger=delay=10:width=2:feedback=0.7" output.wav |
| | aecho | ffmpeg -i input.aif -af "aecho=0.8:0.88:60:0.4" output.wav |
| EQ & Spectral | lowpass / highpass | ffmpeg -i input.aif -af "lowpass=3000,highpass=200" output.wav |
| | equalizer | ffmpeg -i input.aif -af "equalizer=f=1000:width_type=h:width=200:g=5" output.wav |
| | crystalizer | ffmpeg -i input.aif -af "crystalizer" output.wav |
| Dynamics & Spatial | compand | ffmpeg -i input.aif -af "compand=attacks=0.1:points=-80/-80|-45/-15|-27/-9|0/-7|20/-7" output.wav |
| | stereowiden | ffmpeg -i input.aif -af "stereowiden=delay=10:feedback=0.3:crossfeed=0.5:drymix=0.8" output.wav |
| Distortion & Warmth | acontrast | ffmpeg -i input.aif -af "acontrast=1.5" output.wav (You’ve already used this one) |
| | volume + loudnorm | ffmpeg -i input.aif -af "volume=2.0,loudnorm=I=-16" output.wav |