butlp
Files: butlp.h, butlp.c

Lowpass Butterworth filter

Functions

sp_butlp_create(sp_butlp **butlp)
sp_butlp_init(sp_data *sp, sp_butlp *butlp)
sp_butlp_compute(sp_data *sp, sp_butlp *butlp, SPFLOAT *input, SPFLOAT *output)
sp_butlp_destroy(sp_butlp **butlp)

Optional Parameters

freq: Cutoff Frequency.
(Default value: 1000)

Inputs

input: Signal input.

Outputs

output: Signal output.