7e45f556ce
The leves are based on the standards of each mobile network. They are adjusted to the specified frequency deviation now.
22 lines
518 B
C
22 lines
518 B
C
typedef struct compandor {
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struct {
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double unaffected;
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double step_up;
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double step_down;
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double peak;
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double envelope;
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} c;
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struct {
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double unaffected;
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double step_up;
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double step_down;
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double peak;
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double envelope;
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} e;
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} compandor_t;
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void init_compandor(compandor_t *state, int samplerate, double attack_ms, double recovery_ms, double unaffected_level);
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void compress_audio(compandor_t *state, sample_t *samples, int num);
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void expand_audio(compandor_t *state, sample_t *samples, int num);
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