Digital Signal Processing Handbook P44
94
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The characteristics of a speech signal that are exploited for various applications of speech signal processing to be discussed later in this section on speech processing (e.g., coding, recognition, etc.) arise from the properties and constraints of the human vocal apparatus. It is, therefore, useful in the design of such applications to have some familiarity with the process of speech generation by humans. In this chapter we will introduce the reader to (1) the basic physical phenomena involved in speech production, (2) the simplified models used to quantify these phenomena, and (3) the digital implementations of these models....
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