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Journal Article A Novel Audio Watermarking Algorithm for Copyright Protection of Digital Audio
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Authors
Jong Won Seok, Jin Woo Hong, Jin Woong Kim
Issue Date
2002-08
Citation
ETRI Journal, v.24, no.3, pp.181-189
ISSN
1225-6463
Publisher
한국전자통신연구원 (ETRI)
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.4218/etrij.02.0102.0301
Abstract
Digital watermark technology is now drawing attention as a new method of protecting digital content from unauthorized copying. This paper presents a novel audio watermarking algorithm to protect against unauthorized copying of digital audio. The proposed watermarking scheme includes a psychoacoustic model of MPEG audio coding to ensure that the watermarking does not affect the quality of the original sound. After embedding the watermark, our scheme extracts copyright information without access to the original signal by using a whitening procedure for linear prediction filtering before correlation. Experimental results show that our watermarking scheme is robust against common signal processing attacks and it introduces no audible distortion after watermark insertion.
KSP Keywords
Audio coding, Audio watermarking, Copyright protection, Digital Watermark, Digital audio, Digital content, Psychoacoustic Model, Signal Processing, linear prediction filtering, new method, watermarking scheme