自相关方法提取语音一帧基音周期，很简单的-zi xiang guan ti qu ji yin zhou qi

盲源分离 读取语音文件并显示其频谱图像 基于声场景分析的混叠语音分离研究-Blind Source Separation the aliasing voice read the voice file and display its spectrum image based on the acoustic scene analysis Separation