18 lines
361 B
C
18 lines
361 B
C
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typedef struct emphasis {
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struct {
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double last_value;
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double factor;
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double amp;
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} p;
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struct {
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double last_value;
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double factor;
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double amp;
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} d;
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} emphasis_t;
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int init_emphasis(emphasis_t *state, int samplerate);
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void pre_emphasis(emphasis_t *state, int16_t *samples, int num);
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void de_emphasis(emphasis_t *state, int16_t *samples, int num);
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