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Designing Near-Field MVDR Acoustic Beamfomers for Voice User Interfaces

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We present an analysis and design recommendations for a reduced computational complexity minimum variance distortionless response(MVDR) beamforming microphone. An overview of MVDR beamforming is given then decomposed into a generalized implementation to aid mapping to a microcontroller with some discussion of optimizations for real-world performance.

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AES - Audio Engineering Society