A high capacity watermarking technique for stereo audio

Xing He; Alexander I. Iliev; Michael S. Scordilis

A high capacity watermarking technique for stereo audio

Xing He, Alexander I. Iliev, Michael S. Scordilis

Electrical and Computer Engineering

Research output: Contribution to journal › Conference article

13 Scopus citations

Abstract

A novel audio watermarking technique is introduced, which is based on the processing of the difference phase spectrum of stereo audio. Psychoacoustical principles of binaural hearing are employed to compute a frequency-dependent threshold of the interaural phase difference, which is used to determine locations suitable for watermark insertion. Spread spectrum is used to mark watermark locations and to provide channel synchronization. Listening tests have indicated that the using this method to insert watermarks in stereo audio results in a signal that indistinguishable from the original audio. This technique is computationally efficient and it provides payload of up to 20 kb/s making it suitable for audio information enhancement. Its fragility necessitates a friendly environment, such as in authentication applications.

Original language	English (US)
Pages (from-to)	V-393-V-396
Journal	ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
Volume	5
State	Published - Sep 27 2004
Event	Proceedings - IEEE International Conference on Acoustics, Speech, and Signal Processing - Montreal, Que, Canada Duration: May 17 2004 → May 21 2004

ASJC Scopus subject areas

Software
Signal Processing
Electrical and Electronic Engineering

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He, X., Iliev, A. I., & Scordilis, M. S. (2004). A high capacity watermarking technique for stereo audio. ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, 5, V-393-V-396.

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AU - Iliev, Alexander I.

AU - Scordilis, Michael S.

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