基于声卡的虚拟仪器设计　，示波器显示，　　　频谱显示，　　频率显示-sound card based virtual instrument design, oscilloscope, spectrum, frequency show

音效卡频谱分析，示波器，带有很多的使用功能，能实时捕捉和显示震幅很小的波形-Sound card spectrum analyzer, oscilloscope, with the use of many functions in real-time capture and display a small amplitude waveform

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 windo

LED点阵音乐频谱，12c5a60s控制8*16LED点阵显示音乐频谱-LED dot matrix music spectrum, 12c5a60s control 8* 16LED dot matrix display the music spectrum