Hu hang Speech signal processing. Harbin Institute of Technology Press, 2000.
Nye. Speech signal processing machinery industry press, 2003.
Liu. Application technology of speech recognition and control. Beijing: Science Press, 2008.
Huang Fenggang, Song,. Pattern recognition. Harbin: Harbin Institute of Technology Press, 1998.
Shen Qing, Tang Lin. Introduction to pattern recognition. Changsha: National University of Defense Technology Press, 199 1.
Cai Lianhong, Fundamentals and Applications of Modern Phonetics, Tsinghua University Publishing House, 2003.
These books are all very good. I suggest you read it.