是信号处理的基础，完整的基于HMM的语音识别系统，外文资料里面的源代码。- Is the basis of the signal processing, Complete HMM-based speech recognition system, Foreign materials inside the source code.

计算两个矩阵之间的欧氏距离，ldpc码的编解码实现，完整的基于HMM的语音识别系统。- Calculation of the Euclidean distance between the two matrices, Codec ldpc code implementation Complete HMM-based speech recognition system.