语音识别

mfcc提取：http://blog.csdn.net/jojozhangju/article/details/18678861

语音识别工具箱之kaldi----研究联盟：
http://blog.csdn.net/wbgxx333/article/details/17893641
http://blog.csdn.net/AMDS123/article/details/70313780
https://github.com/kaldi-asr/kaldi
https://wenku.baidu.com/view/6b0acc13f18583d04964593a.html