Chapter 3: SOURCE CODING
Chapter 2 described the physical form of source signals, but did not address a crucial question: How much information does a source actually produce? This chapter addresses these questions through the theory and practice of source coding. We move from describing signals in physical terms to describing information in statistical terms. Concepts such as entropy, redundancy, and compression will allow us to quantify the information content of a source and determine the minimum rate at which it must be represented.
Chapter Contents
- 3.1 INTRODUCTION
- 3.2 WAVEFORM CODING TECHNIQUES
- 3.3 DATA COMPRESSION TECHNIQUES
- 3.4 COMBINATION WAVEFORM/MODEL-BASED CODING
- 3.5 CHAPTER SUMMARY
- 3.6 LOOKING AHEAD
- 3.7 REVISION QUESTIONS
- 3.8 FREQUENTLY ASKED QUESTIONS (FAQ)