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Description: 录制一段个人自己的语音信号。对录制的信号进行采样；画出采样后语音信号的时域波形和频谱图；对语音信号进行加噪和去噪处理，画出滤波后信号的时域波形和频谱，并对滤波前后的信号进行对比，分析信号的变化；回放语音信号；实现快录慢放、慢录快放等功能。-Record a person' s own voice signal. Of the recorded signal sampling draw sample after the speech signal time-domain waveform and frequency spectrum of voice signals, noise and de-noising processing, draw Filtered time-domain signal waveform and spectrum, and filtering the signal before and after comparative analysis of signal changes playback voice signal realize quickly recorded slow release, slow release recorded faster functions.
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Size: 243712 |
Author: 或或 |
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Description: 创建和播放声音的类，class CMPSound，在其他单元添加#include "MPSound.h",就可以使用-SoundClass
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Size: 2048 |
Author: 宇 |
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Description: This procedure to achieve sound noise, to achieve the effect of encryption, after denoising to get the original sound signal, and display the waveform.
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Size: 243712 |
Author: 王春水 |
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