Since*
1.2
Apply a biquad IIR filter with the given coefficients. Where b0, b1, b2 and a0, a1, a2 are the numerator and denominator coefficients respectively. and channels, c specify which channels to filter, by default all available are filtered.
Commands
This filter supports the following commands:
- a0, a1, a2, b0, b1, b2
-
Change biquad parameter. Syntax for the command is : "value"
- mix, m
-
How much to use filtered signal in output. Default is 1. Range is between 0 and 1.