huxi
57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
#ifndef _CVP_NS_H_
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#define _CVP_NS_H_
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#include "generic/typedef.h"
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/******************************* ANS ***************************/
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/*ans参数*/
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typedef struct {
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char wideband;
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char mode;
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float AggressFactor;
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float MinSuppress;
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float NoiseLevel;
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} noise_suppress_param;
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int noise_suppress_frame_point_query(noise_suppress_param *param);
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int noise_suppress_mem_query(noise_suppress_param *param);
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int noise_suppress_open(noise_suppress_param *param);
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int noise_suppress_close(void);
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int noise_suppress_run(short *in, short *out, int npoint);
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enum {
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NS_CMD_NOISE_FLOOR = 1,
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NS_CMD_LOWCUTTHR,
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NS_CMD_AGGRESSFACTOR,
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NS_CMD_MINSUPPRESS,
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};
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/*
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* (1)NOISEFLOOR : 设定噪声估计的最小阈值，低于阈值的信号不会被估计。
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* 主要为了应对手机处理过的信号中无声段的幅度很低，
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* 语音段又抬高导致的噪声估计失效问题。
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* (2)LOWCUTTHR : 设定经过降噪后的信号清0阈值，低于此阈值的信号会被清0。
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* 主要为了应对硬件FFT精度不够，反变换太小的值时会出现噪声。
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*/
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int noise_suppress_config(u32 cmd, int arg, void *priv);
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/******************************* DNS ***************************/
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/*dns参数*/
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typedef struct {
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float DNS_OverDrive; //降噪强度 range[0:6.0]
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float DNS_GainFloor; //最小压制 range[0:1.00]
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float DNS_NoiseLevel;
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float DNS_highGain; //EQ强度 range[1.0:3.5]
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float DNS_rbRate; //混响强度 range[0:0.9]
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int sample_rate;
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} dns_param_t;
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int audio_dns_run(void *hdl, short *in, short *out, int len);
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void *audio_dns_open(dns_param_t *param);
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int audio_dns_close(void *hdl);
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/*在线更新参数*/
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int audio_dns_updata_param(void *hdl, float DNS_GainFloor, float DNS_OverDrive);
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#endif/*_CVP_NS_H_*/
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