11 lines
296 B
C
11 lines
296 B
C
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double audio_level(sample_t *samples, int length);
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typedef struct goertzel {
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double coeff;
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} goertzel_t;
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void audio_goertzel_init(goertzel_t *goertzel, double freq, int samplerate);
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void audio_goertzel(goertzel_t *goertzel, sample_t *samples, int length, int offset, double *result, int k);
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