Proceedings of the 5th ACM workshop on Digital rights management
Underdetermined blind audio source separation using modal decomposition
EURASIP Journal on Audio, Speech, and Music Processing
A watermarking-based method for single-channel audio source separation
ICASSP '09 Proceedings of the 2009 IEEE International Conference on Acoustics, Speech and Signal Processing
Spread-spectrum watermarking of audio signals
IEEE Transactions on Signal Processing
IEEE Transactions on Audio, Speech, and Language Processing
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In this paper, we propose an efficient blind audio watermarking detection method for spread spectrum watermarking system. The proposed method considers the detection problem of the watermark as a matter of Blind Source Separation (BSS) between the audio signal and the watermark one. Thus, we aim to improve detection step by employing Independent Subspace Analysis (ISA) and Empirical Mode Decomposition (EMD) theories. The resulting technique called UISA (Underdetermined Independent Subspace Analysis) permits extracting the embedded watermark with low binary error rate and high bit rate.