Introduction to Digital Audio Watermarking

Introduction to Digital Audio Watermarking

Nedeljko Cvejic (University of Bristol, UK) and Tapio Seppänen (University of Oulu, Finland)
DOI: 10.4018/978-1-59904-513-9.ch001
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This chapter gives a general overview of the audio watermarking fundamental definitions. Audio watermarking algorithms are characterized by five essential properties, namely: perceptual transparency, watermark bit rate, robustness, blind/informed watermark detection and security. Chapter also reviews the most common signal processing manipulations that are frequently applied to the watermarked audio in order to prevent detection of the embedded watermark. Finally, several application areas for digital audio watermarking are presented and advantages of digital watermarking over standard technologies examined.

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