books.google.ca - This book reflects decades of important research on the mathematical foundations ofspeech recognition. It focuses on underlying statistical techniques such as hidden Markov models,decision trees, the expectation-maximization algorithm, information theoretic goodness criteria,maximum entropy probability...http://books.google.ca/books/about/Statistical_Methods_for_Speech_Recogniti.html?id=1C9dzcJTWowC&utm_source=gb-gplus-shareStatistical Methods for Speech Recognition