该程序主要是通过小波变换来实现对心音信号的去噪处理-The program is mainly achieved by wavelet denoising of heart sound signals

这是在matlab环境下，利用小波变换对信号 进行处理，例如对声音的去噪。-This is in the matlab environment, the use of wavelet transform for signal processing, such as denoising of sound.