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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 2 A Discrete-Time Signal Processing Framework

2.1 Introduction

In this chapter we review the foundation of discrete-time signal processing which serves as a framework for the discrete-time speech processing approaches in the remainder of the text. We investigate some essential discrete-time tools and touch upon the limitations of these techniques, as manifested through the time-frequency uncertainty principle and the theory of time-varying linear systems, that will arise in a speech processing context. We do not cover all relevant background material in detail, given that we assume the familiarity of the reader with the basics of discrete-time signal processing and given that certain topics are appropriately cited, reviewed, or extended ...

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