用小波系数提取出音频的频域特征。比如lpc等特征。效果好！-Extracted using wavelet coefficients of the frequency-domain characteristics of the audio. Characteristics such as LPC. Good!

数字信号处理方面,小波,傅里叶变化,以及音频处理 基带电路培训,射频-Digital signal processing, wavelet, Fourier changes and baseband audio processing circuit training, RF

Based on piecewise nonlinear weight value Pso algorithm, Matlab wavelet analysis on complex, Realization of 10 digital audio recognition progra.

Monte Carlo simulation method of calculating the American option price and basic descr iption, Realization of 10 digital audio recognition program Based on wavelet transform digital watermarking algorithm matlab code.