==第二次==
#Parallel training of DNNs with natural gradient and parameter averaging, ICLR Workshop 2015.[http://www.danielpovey.com Dan Povey]#Long short term memory-neural computation, Neural computation 9 (8), 1735-1780, 1997.[http://ieeexplore.ieee.org/document/6795963 LSTM]
#Karpagavalli, S., and E. Chandra. "A Review on Automatic Speech Recognition Architecture and Approaches." International Journal of Signal Processing, Image Processing and Pattern Recognition 9, no. 4 (2016): 393-404.
#EESEN_ End-to-End Speech Recognition using Deep RNN Models and WFST-based Decoding, ASRU 2015.