IBM Systems Journal
Digital communications using chaos
Signal Processing - Special issue on emerging techniques for communication terminals
Robust spread-spectrum audio watermarking
ICASSP '01 Proceedings of the Acoustics, Speech, and Signal Processing, 2001. on IEEE International Conference - Volume 03
A New Audio Watermarking Method for Copyright Protection and Tampering Localization
ICICIC '08 Proceedings of the 2008 3rd International Conference on Innovative Computing Information and Control
Digital Watermarks for Audio Signals
ICMCS '96 Proceedings of the 1996 International Conference on Multimedia Computing and Systems
Robust audio watermarking in the time domain
IEEE Transactions on Multimedia
Digital audio watermarking in the cepstrum domain
IEEE Transactions on Consumer Electronics
An algorithm for removable visible watermarking
IEEE Transactions on Circuits and Systems for Video Technology
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This paper proposes a unconventional method for removable audible watermarking system based on the requirements of a promising application. Given a audio file, the system makes some part of file available for preview and perceptual watermarking on the remaining portion. The watermark is embedded into selected DCT coefficients of host audio signal so that the signal to noise ratio is maintained at a level which is audibly annoying to human auditory system. Once the audio file is decoded using the secret key a new watermark is embedded in the audio that is perceptually transparent to the human auditory system. Hence this double watermarking i.e. imperceptible and perceptible watermarking provides a novel prototype for digital right management control. The subjective quality tests and robustness tests indicate that the audio quality is excellent and is robust to signal processing attacks.