VC声音采集并播放的代码，是在网上收集的，做了小调整，主要处理声音收集，做为初级入门参考。程序运行后会在窗口内显示声音频谱曲线，不过不是太精确，水平有限，仅供参考。-VC sound capture and playback code is collected online, do a small adjustment, main processing sound collection, as primary entry reference. After running in the window shows the curve of the sound spectrum, but not too precise, limited, and for reference only.