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.

外文资料里面的源代码，完整的基于HMM的语音识别系统，分析了该信号的时域、频域、倒谱，循环谱等。- Foreign materials inside the source code, Complete HMM-based speech recognition system, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc.