This contribution presents a stereo input-output beamformer for dual channel noise reduction. The computationally very efficient beamformer adapts superdirective filter design techniques to binaural input signals to optimally enhance signals from a given spatial direction. The beamformer outputs a stereo enhanced signal and thus preserves the spatial impression. Experiments in a real environment using a dummy head and various speech sources indicate that the proposed algorithm is capable of improving the speech intelligibility significantly.
Cite as: Lotter, T., Sauert, B., Vary, P. (2005) A stereo input-output superdirective beamformer for dual channel noise reduction. Proc. Interspeech 2005, 2285-2288, doi: 10.21437/Interspeech.2005-732
@inproceedings{lotter05_interspeech,
author={Thomas Lotter and Bastian Sauert and Peter Vary},
title={{A stereo input-output superdirective beamformer for dual channel noise reduction}},
year=2005,
booktitle={Proc. Interspeech 2005},
pages={2285--2288},
doi={10.21437/Interspeech.2005-732}
}