dsp.h

/* dsp.h */

// TODO:  put prefixes on these names.

float window (bp_window_t type, int size, int j);

int gen_lowpass (float fc, float *lp_filter, int filter_size, bp_window_t wtype, float lp_delay_fract);

void gen_bandpass (float f1, float f2, float *bp_filter, int filter_size, bp_window_t wtype);

void gen_ms (int fc, int samples_per_sec, float *sin_table, float *cos_table, int filter_size, int wtype);