Discrete-time signal processing by Oppenheim, Alan V. 1937-, Schafer, Ronald W. 1938-

Available for University of the Philippines Diliman College of Engineering via e-Textbook Reserves under Vital Source. Click here to access
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Theory and applications of digital speech processing by Rabiner, Lawrence R. 1943-

Theory and applications of digital speech processing by Rabiner, Lawrence R. 1943-

DSP first a multimedia approach by McClellen, James H. 1947-

Speech analysis

Digital processing of speech signals by Rabiner, Lawrence R. 1943-