chore: Remove tracked build artifacts
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@ -1,28 +0,0 @@
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/*
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************************************************************
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* Audio Utils
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*Brief:数字信号处理常用模块合集
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*Notes:
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************************************************************
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*/
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#include "audio_utils.h"
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/*
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*********************************************************************
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* Audio Digital Phase Inverter
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* Description: 数字反相器,用来反转数字音频信号的相位
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* Arguments : dat 数据buf地址
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* len 数据长度(unit:byte)
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* Return : None.
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* Note(s) : None.
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*********************************************************************
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*/
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void digital_phase_inverter_s16(s16 *dat, int len)
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{
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int data_size = len / 2;
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for (int i = 0; i < data_size; i++) {
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dat[i] = (dat[i] == -32768) ? 32767 : -dat[i];
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}
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}
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