Title
Quantization Index Modulation audio watermarking system using a psychoacoustic model
Abstract
We propose a system in which the watermark message is embedded into audio signal by means of Quantization Index Modulation (QIM) scheme. However, the method is sensitive to gain scaling attack. We use a value-metric scaling invariant method called Rational Dither Modulation (RDM) to cope with this problem. At the same time, we exploit the psychoacoustic model to improve the audio signal's perceptual quality after the watermark embedding procedure. In comparison of the traditional QIM which use a fixed quantization step, our method adjusts the quantization step with psychoacoustic model adaptively. Experimental results show that our watermarking scheme is robust against common signal processing attacks while keeping the watermarked audio a high perceptual quality.
Year
DOI
Venue
2011
10.1109/ICICS.2011.6173132
ICICS
Keywords
DocType
Volume
watermark message,signal processing attacks,gain scaling attack,audio watermarking,hearing,quantisation (signal),rational dither modulation,qim scheme,watermark embedding procedure,value-metric scaling invariant method,acoustic signal processing,psychoacoustic model,quantization index modulation audio watermarking system,audio signal perceptual quality,robustness,bit error rate,noise,quantization,modulation,watermarking,scale invariance,signal processing
Conference
null
Issue
ISSN
ISBN
null
null
978-1-4577-0029-3
Citations 
PageRank 
References 
4
0.40
4
Authors
4
Name
Order
Citations
PageRank
Xuemin Zhao1225.28
Yuhong Guo277449.28
Jian Liu3172.32
Yonghong Yan462.16