自己写的一个基于eMbedded Visual C++的音频采集以及频谱分析小程序。 包括录音，回放，时域波形，频谱图-Based on the eMbedded Visual C++ of the audio spectrum analysis procedures. Including recording, playback, time-domain waveform, frequency spectrum

一个适合于学习信号处理的小程序，包含频谱分析，采集，保持等-A learning signal processing for small programs, including spectral analysis, acquisition, keeping, etc.