中文说明：分析了该信号的时域、频域、倒谱，循环谱等,matlab小波分析程序，包含优化类的几个简单示例程序，包含特征值与特征向量的提取、训练样本以及最后的识别，实现了对10个数字音的识别程序插值与拟合，解方程，数据分析。
English Description：
Analysis of the signal in time domain and frequency domain, cepstrum, cyclic spectrum, matlab wavelet analysis program, including optimization of several simple example program, including eigenvalue and eigenvector extraction, training samples and the final recognition, the realization of the 10 digital audio recognition program, interpolation and fitting, solution of equations, data analysis.