Hear it
Every parameter plays here, rendered on our server. Pick a test sound or your own file, move the dials or press Randomise, and switch bypass to compare.
Details
- Engine id
org.sournd.filter.prowl- Category
- Filter
- Type
- Auto filter, multimode
- Licence
- £2.99 once, or in the subscription
- Version
- 1.0.0
- Parameters
- 16
- Latency
- none
- Tail
- 0.3 s
- Sidechain input
- no
- Channels
- mono or stereo
Parameters
The id is the C ABI parameter id and the JUCE parameter id (as a decimal string).
| Id | Key | Name | Min | Max | Default | Unit | Taper |
|---|---|---|---|---|---|---|---|
| 0 | cutoff_hz | Cutoff | 20 | 20000 | 800 | Hz | log |
| 1 | resonance_pct | Resonance | 0 | 100 | 40 | % | linear |
| 2 | mode | Mode | 0 | 3 | 0 | - | linear |
| 3 | drive_db | Drive | 0 | 36 | 0 | dB | linear |
| 4 | lfo_amount_oct | LFO amount | 0 | 6 | 2 | oct | linear |
| 5 | lfo_shape | LFO shape | 0 | 5 | 0 | - | linear |
| 6 | lfo_rate_hz | LFO rate | 0.02 | 20 | 1 | Hz | log |
| 7 | sync | Sync | 0 | 11 | 0 | - | linear |
| 8 | tempo | Tempo | 40 | 300 | 120 | bpm | linear |
| 9 | stereo | Stereo | 0 | 180 | 0 | deg | linear |
| 10 | env_amount_oct | Envelope amount | -6 | 6 | 0 | oct | linear |
| 11 | env_attack_ms | Envelope attack | 0.5 | 200 | 5 | ms | log |
| 12 | env_release_ms | Envelope release | 10 | 2000 | 200 | ms | log |
| 13 | distortion | Distortion | 0 | 100 | 0 | % | linear |
| 14 | mix | Mix | 0 | 100 | 100 | % | linear |
| 15 | output_db | Output | -24 | 12 | 0 | dB | linear |
How it is made
Original sOURnd design blending general techniques: trapezoidal zero-delay-feedback state-variable filter with selectable outputs, octave-scaled cutoff modulation from a tempo-synced LFO and a peak envelope follower, slewed cutoff, hyperbolic-tangent pre-drive and post-distortion.