声音信号的功率谱分析，包括噪声抑制、错误输入输出等-Power spectral analysis of sound signals

基于PC及声卡的声音信号的采集与分析，可以保存成WAVV格式的声音信号，并可读取信号对其进行频谱，功率谱分析。 -Collection and analysis of the sound signal based on the PC and sound card, you can save the sound signal into WAVV format, and can read the signal spectrum, power spectrum analysis.

matlab实现对一声音信号的功率谱与时频分析-matlab realize the power spectrum of a sound signal with the frequency analysis