An acoustic human-machine interface with multi-channel sound reproduction
Buchner H, Kellermann W (2001)
Publication Status: Published
Publication Type: Conference contribution, Conference Contribution
Publication year: 2001
Pages Range: 359-364
Event location: Cannes
ISBN: 0780370252
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0035791420&origin=inward
Abstract
For hands-free man-machine audio interfaces with multi-channel sound reproduction and automatic speech recognition (ASR), sometimes both an acoustic echo canceller (AEC) and a beamforming (BF) microphone array are necessary for sufficient recognition rates. In the context of multimedia systems, multi-channel sound reproduction (e.g. stereo or 5.1 channel - surround systems) typically requires multi-channel AEC (M-C AEC). With M-C AEC being known to be a very demanding problem in signal processing, no practically relevant simulation results have yet been presented for more than two channels. In this contribution, we examine a recently proposed frequency-domain adaptive filtering scheme with some extensions for the case of more than two loudspeaker channels. The results using this approach show a remarkable performance at a relatively moderate computational complexity. Moreover, we show how to efficiently combine this M-C AEC structure with microphone arrays.
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How to cite
APA:
Buchner, H., & Kellermann, W. (2001). An acoustic human-machine interface with multi-channel sound reproduction. In Dugelay J.-L.; Rose K. (Eds.), Proceedings of the 2001 IEEE fourth Workshop on Multimedia Signal Processing (pp. 359-364). Cannes, FR.
MLA:
Buchner, Herbert, and Walter Kellermann. "An acoustic human-machine interface with multi-channel sound reproduction." Proceedings of the 2001 IEEE fourth Workshop on Multimedia Signal Processing, Cannes Ed. Dugelay J.-L.; Rose K., 2001. 359-364.
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