Robust beamforming and steering of arbitrary beam patterns using spherical arrays | IEEE Conference Publication | IEEE Xplore

Robust beamforming and steering of arbitrary beam patterns using spherical arrays


Abstract:

Spherical microphone and loudspeaker arrays present a compact method for analysis and synthesis of arbitrary three-dimensional sound fields. However, issues such as senso...Show More

Abstract:

Spherical microphone and loudspeaker arrays present a compact method for analysis and synthesis of arbitrary three-dimensional sound fields. However, issues such as sensor self noise, placement errors, and mismatch require robustness constraints in beamformer design. This work presents a method for designing robust beam patterns with an arbitrary shape and an efficient method for steering the resulting patterns in three dimensions. The technique is used for two applications: reproducing spherical microphone array recordings over loudspeaker arrays and binaurally over headphones with head tracking.
Date of Conference: 16-19 October 2011
Date Added to IEEE Xplore: 17 November 2011
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Conference Location: New Paltz, NY, USA

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