On CUDA implementation of a multichannel room impulse response reshaping algorithm based on p-norm optimization
Institute for Signal Processing, University of Lubeck, 23562 Lubeck, Germany
IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA), 2011
@inproceedings{mazur2011cuda,
title={On CUDA implementation of a multichannel room impulse response reshaping algorithm based on p-norm optimization},
author={Mazur, R. and Jungmann, J.O. and Mertins, A.},
booktitle={Applications of Signal Processing to Audio and Acoustics (WASPAA), 2011 IEEE Workshop on},
pages={305–308},
year={2011},
organization={IEEE}
}
By using room impulse response shortening and shaping it is possible to reduce the reverberation effects and therefore improve speech intelligibility. This may be achieved by a prefilter that modifies the overall impulse response to have a stronger attenuation. For achieving a spatial robustness, multichannel approaches have been proposed. Unfortunately, these approaches suffer from a very high computational cost and are far too slow for being of practical use in applications where filters have to be designed in real-time. In this work we tackle this drawback using a CUDA implementation and achieve a speedup of over 130 times.
January 30, 2012 by hgpu
