基于VB的WAV声音波形/频谱分析系统，真正的频谱分析程序，播放、采样分析，支持多声道采集，显示清淅的频谱图。-VB on the WAV sound waveform/spectrum analysis system, the real spectrum analysis procedures, playback, sampling and analysis in support of multi-channel acquisition, the spectrum shows clear mi