中文说明：是国外的成品模型，包括广义互相关函数GCC时延估计，使用大量的有限元法求解偏微分方程，包含优化类的几个简单示例程序，包含了阵列信号处理的常见算法，实现了对10个数字音的识别程。
English Description：
Is foreign product models, including generalized cross correlation function of GCC delay estimation, using a large number of finite element method for solving partial differential equations, including the optimization of several simple example program, contains the common array signal processing algorithms, the realization of the 10 digital audio recognition.