10

Signal Information, Coding, and Compression

10.1  Introduction

In this chapter, we first discuss the measurement of signal information content as a basis for the rest of the subjects in the chapter. Then, we will examine topics applicable to the encoding and compression of signals, that is, waveforms and images. Encoding and compression1, 2, 3, 4, 5, 6, 7 are broad subjects, and our goal here is to introduce some of the basic techniques and show how they apply.

Signal coding and compression seem destined always to be necessary parts of the world of digital signal processing (DSP). Every time the technology offers twice the amount of storage capacity, users discover they have more than twice the amount of information to store. When ...

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