@inproceedings{P107.301, author={Phlypo, Ronald and D`Asseler, Yves and Lemahieu, Ignace}, title={Extracting common spectral features by multichannel filtering using circulant matrices}, booktitle={Proceedings of the 9th International Symposium on Signal Processing and its Applications}, year={2007}, month={2}, pages={online}, address={Sharjah}, }