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Loudspeaker array processing for multi-zone audio reproduction based on analytical and measured electroacoustical transfer functions

Olivieri, Ferdinando, Shin, Mincheol, Fazi, Filippo M., Nelson, Philip A. and Otto, Peter (2013) Loudspeaker array processing for multi-zone audio reproduction based on analytical and measured electroacoustical transfer functions At AES 52nd International Conference: Sound Field Control - Engineering and Perception, United Kingdom. 02 - 04 Sep 2013.

Record type: Conference or Workshop Item (Poster)

Abstract

Methods for generating multiple zones of sound with loudspeaker arrays have been implemented by using various control algorithms. In the sound control process, the electroacoustical transfer functions between the loudspeakers and the control points in the target region are important because they are used for the computation of the digital filters used to generate the input to the loudspeakers. For a given array, acoustic control performance depends mainly on these digital filters. The transfer functions of a prototype linear loudspeaker array composed of 16 loudspeakers are measured in specific acoustic environments and also calculated analytically assuming a model for the directivity of the individual loudspeakers. Using one multi-zone sound field control algorithm, the performance of multi-zone audio reproduction based on these different sets of transfer functions has been analyzed by computer simulations and experiments.

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More information

Published date: 2 September 2013
Venue - Dates: AES 52nd International Conference: Sound Field Control - Engineering and Perception, United Kingdom, 2013-09-02 - 2013-09-04
Organisations: Acoustics Group

Identifiers

Local EPrints ID: 358256
URI: http://eprints.soton.ac.uk/id/eprint/358256
PURE UUID: e0806192-da99-4943-9d2d-93469b2f3723

Catalogue record

Date deposited: 16 Oct 2013 12:37
Last modified: 18 Jul 2017 03:31

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Contributors

Author: Ferdinando Olivieri
Author: Mincheol Shin
Author: Filippo M. Fazi
Author: Peter Otto

University divisions

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