解耦，恢复原信号，语音信号的采集与处理，数字信号处理课设，包括最后计算压缩图像的峰值信噪比和压缩效果的源码。- Decoupling, restore the original signal, Acquisition and Processing of the speech signal, digital signal processing class-based, Including the final calculation of the compressed image peak signal to noise ratio and compression of the source.