Audio Filter Butterworth

Nth order Butterworth audio filters, LP/HP up to 96dB per octave. It's the most efficient audio filter in Usine.

bypass

Bypasses the module.

in

Audio input flow(s).

out

Audio output flow(s).

gain

Output gain of the filter.

On this module, the gain isn't smoothed so quick variations can produce audio glitches. To modify the gain in real time, use a audio-mix-volume module.

freq

Filter frequency.

type

Filter type:

  • Low pass: only passes low and filters high frequencies.
  • High pass: only passes high and filters low frequencies.

order

Order of the filter, from 1 (3db/octave) to 32 (96db/octave).

process channels start index

process channels end index

Defines the range of channels calculated, from start index to end index. Channels outside this range are not calculated. You can reduce the CPU consumption by adjustment of calculated audio channels number.

Inlets visible only if the number of audio channels is > 2

See also

version 5.2.221206

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