Files
AC707N/SDK/apps/watch/video/pcm/mic_data.h
T
2025-12-03 11:12:34 +08:00

24 lines
676 B
C

#ifndef MIC_DATA_H
#define MIC_DATA_H
#include "asm/audio_adc.h"
#define VOICE_VAD_MIC 0
#define VOICE_MCU_MIC 1
#define VOICE_DEFULT_MIC VOICE_VAD_MIC
#define VOICE_ADC_SAMPLE_RATE 16000
#define VOICE_ADC_SAMPLE_CH 1
#define VOICE_MIC_DATA_SAMPLE_PREIOD 10
#define VOICE_MIC_DATA_PERIOD_FRAMES (VOICE_MIC_DATA_SAMPLE_PREIOD * VOICE_ADC_SAMPLE_RATE / 1000)
void *mic_data_open(u8 source, int buffer_size, int sample_rate);
void mic_data_close(void *mic);
int mic_data_read(void *mic, void *data, int len);
int mic_data_buffered_samples(void *mic);
void mic_data_clear(void *mic);
#endif /* MIC_DATA_H */