13 lines
438 B
C
13 lines
438 B
C
#include "../common/filter.h"
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typedef struct scrambler {
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double carrier_phaseshift256; /* carrier phase shift per sample */
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double carrier_phase256; /* current phase of carrier frequency */
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filter_lowpass_t lp; /* filter to remove carrier frequency */
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} scrambler_t;
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void scrambler_init(void);
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void scrambler_setup(scrambler_t *scrambler, int samplerate);
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void scrambler(scrambler_t *scrambler, int16_t *samples, int length);
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