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 o