Information Hiding in Speech Signals for Secure Communication

Overview

This book focuses on secure speech communication via VoIP (Voice over Internet Protocol) and PSTN (Public Switched Telephone Network) by using the technology of information hiding, an emerging steganographic subject. Secure speech communication is the practice of hiding secret speech digital information in public speech, requiring hiding capacity, robustness, and imperceptibility by means of steganographic techniques. This book addresses the key problems currently faced by communication security, and the technology under study facilitates communication information confidentiality and ensures the integrity and security of communication information. This book proposes the approach of analysis-by-synthesis speech information hiding (ABS-SIH) ...