13 lines
440 B
C
13 lines
440 B
C
#include "../common/iir_filter.h"
|
|
|
|
typedef struct scrambler {
|
|
double carrier_phaseshift65536;/* carrier phase shift per sample */
|
|
double carrier_phase65536; /* current phase of carrier frequency */
|
|
iir_filter_t lp; /* filter to remove carrier frequency */
|
|
} scrambler_t;
|
|
|
|
void scrambler_init(void);
|
|
void scrambler_setup(scrambler_t *scrambler, int samplerate);
|
|
void scrambler(scrambler_t *scrambler, sample_t *samples, int length);
|
|
|