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Discrete-Time Speech Signal Processing: Principles and Practice by Thomas F. Quatieri - Massachusetts Institute of Technology Lincoln Laboratory

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Chapter 9Sinusoidal Analysis/Synthesis

9.1 Introduction

We have seen in Chapters 5 and 6 that one approach to the analysis and synthesis of speech signals is to use the speech production model in which speech is viewed as the result of passing a source excitation waveform through a time-varying linear filter that models the resonant cavities of the vocal tract. In certain applications, it suffices to assume that the source function can be in one of two possible states corresponding to voiced or unvoiced speech. We have referred to these approaches of analysis/synthesis as “modeled-based.” In Chapters 7 and 8, on the other hand, we introduced methods of analysis and synthesis that depend on Fourier transform and filter-bank representations and ...

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