实现了对10个数字音的识别程序包含优化类的几个简单示例程序，采用波束成形技术的BER计算，采用了小波去噪的思想，Relief计算分类权重，FIR 底通和带通滤波器和IIR 底通和带通滤波器。- Realization of 10 digital audio recognition program Optimization class contains several simple sample programs, By applying the beam forming technology of BER Using wavelet denoising thought, Relief computing classification weight, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter.