hpf

Type: hpf :: Pattern Double -> ControlPattern

hpf turns a number pattern into a control pattern that sets the cutoff frequency of a high pass filter. In SuperDirt, this is in Hz (try a range between 0 and 10000). In classic dirt, it is from 0 to 1.

hpf is a shortcut for hcutoff.

d1 $ s "drum*8" # hpf "100 1000 2000 5000"