33 lines
667 B
C
33 lines
667 B
C
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#ifndef __WNR_H__
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#define __WNR_H__
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#include "iirfilt.h"
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typedef struct
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{
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int32_t bypass;
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int lpf_cutoff;
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int hpf_cutoff;
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float power_ratio_thr; // ratio of the power spectrum of the lower frequencies over the total power spectrum for all frequencies
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float power_thr; // normalized power of the low frequencies
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} WnrConfig;
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struct WnrState_;
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typedef struct WnrState_ WnrState;
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#ifdef __cplusplus
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extern "C" {
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#endif
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WnrState* wnr_create(int32_t sample_rate, int32_t frame_size, const WnrConfig *config);
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void wnr_destroy(WnrState *st);
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void wnr_process(WnrState *st, int16_t *buf, int frameSize);
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#ifdef __cplusplus
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}
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#endif
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#endif
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