Sharp directive beamforming using microphone array and planar reflector

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概要

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• A method for sharp directive beamforming using a reflector is proposed. The method involves physically varying the transfer functions and the spatial correlation matrix by placing a planar reflector near a linear microphone array. We confirmed through experiments that the proposed method was effective for increasing the spatial nulls and minimizing the power of interference in the beamforming output and consequently achieving sharp directivity.

• 一般社団法人 日本音響学会の論文

著者

• NIWA Kenta

  NTT Media Intelligence Laboratories, NTT Corporation

• SAKAUCHI Sumitaka

  NTT Media Intelligence Laboratories, NTT Corporation

• HANEDA Yoichi

  Graduate School of Informatics and Engineering, The University of Electro-Communications

• HIOKA Yusuke

  Department of Electrical and Computer Engineering, University of Canterbury

関連論文

• An Estimation Method of Sound Source Orientation Using Eigenspace Variation of Spatial Correlation Matrix
• Sharp directive beamforming using microphone array and planar reflector

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