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

wolf calculated Lyapunov exponent, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. MinkowskiMethod algorithm.

The method of cumulative contribution rate Based on the time delay estimation of power spectrum, Prediction Error Method for Parameter Identification - the idea of relaxation.