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Engineering Brief

Analysis of Beam Patterns of Super Directive Acoustic Beamformer

Authors: Kupryjanow, Adam

AES Convention 146 · Paper 504 · March 2019

Abstract

In this brief beam patterns of a super directive acoustic Beamformer were presented. The analysis was done based on the recordings made in diffuse far field environment. State of the art MVDR (Minimum Variance Distortionless Beamformer) was utilized as representative of super directive Beamformer. Two types of uniform microphone arrays were investigated: linear and circular. Experiments were performed for various number of microphones in the arrays, i.e., two, four, six, and eight.

Details

Published in
AES Convention 146
AES Convention
146
Paper number
504
Publication date
March 6, 2019
Session subject
Microphones and Circuits
Affiliation
Intel Technology Poland, Gdansk, Poland (See document for exact affiliation information.)
Type
Engineering Brief