对输入信号进行频谱分析，可以实现声音的即时采集并分析适合从事音频信号处理和分析。-Of the input signal spectral analysis, can achieve real-time voice fit to engage in collection and analysis of audio signal processing and analysis.

波形分析程序 能够很好的分析波形的功率谱-Power spectral analysis waveform waveform analysis procedures can be good