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wavelet
- 小波去噪程序，在别人的程序上有一定的修改，对于任意声音文件a.wav进行小波去噪。-Wavelet denoising procedure, in others there are certain procedural changes, for any sound file a.wav wavelet denoising.
yangpan
- 针对EMD方法的不足,实现了对10个数字音的识别，采用了小波去噪的思想。- For lack of EMD, To achieve the recognition of 10 digital sound, Using wavelet denoising thought.
lao
- 实现了对10个数字音的识别，采用累计贡献率的方法，采用了小波去噪的思想。- To achieve the recognition of 10 digital sound, The method of cumulative contribution rate Using wavelet denoising thought.
chongcaiyang
- 对心音进行处理，包括去噪，小波变换以及高低通滤波等。(Heart sound processing, including denoising, wavelet transform.)
对语音进行加噪、去噪、变速等处理
- 基于matlab对语音信号进行加入随机噪声、去噪滤波、变声变速等处理，并显示出相关波形和频谱图。(Based on matlab, the speech signal is processed by adding random noise, denoising and filtering, changing sound and speed, and the relevant waveforms and spectrum diagrams are displayed.)