语音信号的采集与处理，数字信号处理课设，实现了图像的加水印，去噪，加噪声等功能，可直接计算得到多重分形谱。- Acquisition and Processing of the speech signal, digital signal processing class-based, Realize image watermarking, de-noising, plus noise and other functions, It can be directly calculated multi-fractal spectrum.