osmocom-analog/src/common/compander.h

12 lines
347 B
C

typedef struct compander {
double step_up;
double step_down;
double envelop_c;
double envelop_e;
} compander_t;
void init_compander(compander_t *state, int samplerate, double attack_ms, double recovery_ms);
void compress_audio(compander_t *state, int16_t *samples, int num);
void expand_audio(compander_t *state, int16_t *samples, int num);