Chapter 1

Introduction

Abstract

This chapter gives a general introduction to the background of secure communication based on information hiding, the application of information hiding, and speech coding technology. The basic definitions and related concepts in the realm of speech information hiding are introduced. The fundamentals will help readers to comprehend the new technology of information hiding. To help readers better understand the development of the research contents of this book, related works are analyzed to show other researchers’ achievements. A comparative analysis of the existing information hiding methods is given, as well as simple summaries of the principles and working processes for the five kinds of existing methods. ...

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