chore: Remove tracked build artifacts
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#ifndef _AUDIO_NOISE_SUPPRESS_H_
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#define _AUDIO_NOISE_SUPPRESS_H_
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#include "generic/typedef.h"
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#include "generic/circular_buf.h"
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#include "commproc_ns.h"
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/*降噪数据帧长(单位:点数)*/
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#define NS_FRAME_POINTS 160
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#define NS_FRAME_SIZE (NS_FRAME_POINTS << 1)
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/*降噪输出buf长度*/
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#define NS_OUT_POINTS_MAX (NS_FRAME_POINTS << 1)
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typedef struct {
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//s16 in[512];
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//cbuffer_t cbuf;
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noise_suppress_param ns_para;
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} audio_ns_t;
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/*
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*********************************************************************
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* Noise Suppress Open
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* Description: 初始化降噪模块
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* Arguments : sr 数据采样率
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* mode 降噪模式(0,1,2:越大越耗资源,效果越好)
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* NoiseLevel 初始噪声水平(评估初始噪声,加快收敛)
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* AggressFactor 降噪强度(越大越强:1~2)
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* MinSuppress 降噪最小压制(越小越强:0~1)
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* Return : 降噪模块句柄
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* Note(s) : 采样率只支持8k、16k
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*********************************************************************
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*/
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audio_ns_t *audio_ns_open(u16 sr, u8 mode, float NoiseLevel, float AggressFactor, float MinSuppress);
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/*
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*********************************************************************
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* NoiseSuppress Process
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* Description: 降噪处理主函数
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* Arguments : ns 降噪句柄
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* in 输入数据
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* out 输出数据
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* len 输入数据长度
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* Return : 降噪输出长度
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* Note(s) : 由于降噪是固定处理帧长的,所以如果输入数据长度不是降噪
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* 帧长整数倍,则某一次会输出0长度,即没有输出
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*********************************************************************
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*/
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int audio_ns_run(audio_ns_t *ns, short *in, short *out, u16 len);
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/*
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*********************************************************************
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* Noise Suppress Close
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* Description: 关闭降噪模块
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* Arguments : ns 降噪模块句柄
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* Return : 0 成功 其他 失败
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* Note(s) : None.
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*********************************************************************
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*/
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int audio_ns_close(audio_ns_t *ns);
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#endif/*_AUDIO_NOISE_SUPPRESS_H_*/
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