#ifndef SPEECH_IIR_CALIBRATION_H #define SPEECH_IIR_CALIBRATION_H #include "speech_eq.h" // i.e. only support 4 channels #define SPEECH_IIR_CALIB_MAX_NUM (3) typedef struct { int bypass; int mic_num; EqConfig calib[SPEECH_IIR_CALIB_MAX_NUM]; } SpeechIirCalibConfig; typedef struct SpeechIirCalibState_ SpeechIirCalibState; SpeechIirCalibState *speech_iir_calib_init(int32_t sample_rate, int32_t frame_size, const SpeechIirCalibConfig *config); void speech_iir_calib_destroy(SpeechIirCalibState *st); void speech_iir_calib_process(SpeechIirCalibState *st, int16_t *buf, int32_t frame_size); #endif