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Numerical Near Field Optimization of Weighted Delay-and-Sum Microphone Arrays

Authors:
Schäfer, M.Heese, F. ,  Wernerus, J. ,  Vary, P.
Book Title:
Proceedings of International Workshop on Acoustic Signal Enhancement (IWAENC)
Organization:
IWAENC
Date:
Sep. 2012
Language:
English

Abstract

A novel concept for the determination of the weighting coefficients for weighted delay-and-sum microphone arrays is introduced in this contribution. The concept is based on a numerical optimization of the reception characteristic of the microphone array. The optimization procedure is shown to improve the reception characteristic in such a way that it closely approximates a target which can be defined according to the application.

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