https://blog.csdn.net/eqiang8848/article/details/88967905
https://blog.csdn.net/eqiang8848/article/details/89671922
https://zhuanlan.zhihu.com/p/33464788
《语音信号处理》 语音识别章节 读书笔记
原文:https://www.cnblogs.com/focus-z/p/12078605.html