nolow
Offline ffmpeg processing chain applied to raw bounces to clean sub-sonic content and reduce low-mid buildup. Files processed with nolow have the filter variables encoded in their filename (e.g. 02-Junior-130-nolow-shelf10g-24-hpf29.mp3).
| Stage |
Freq |
Gain |
Notes |
| Hard shelf |
10 Hz |
−24 dB |
lowshelf — kills infrasound |
| Highpass |
29 Hz |
−7.5 dB @ 20 Hz |
2-pole Butterworth |
| Sub block |
18 Hz |
brick wall |
2× cascaded 4th-order HPF |
| Notch |
40 Hz |
−5 dB |
width 30 Hz |
| Notch |
125 Hz |
−7.5 dB |
width 80 Hz |
| Notch |
250 Hz |
−5 dB |
width 100 Hz |
| Notch |
300 Hz |
−3 dB |
width 100 Hz |