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A number of methods have been proposed for the application of Wave Field Synthesis to the reproduction of sound fields generated by point sources that exhibit a directional radiation pattern. However, a straightforward implementation of these solutions involves a large number of real-time operations that may lead to very high computational load. This paper proposes a simplified method to synthesize virtual sources with axisymmetric radiation patterns using a planar loudspeaker array. The proposed simplification relies on the symmetry of the virtual source radiation pattern and on the far-field approximation, although a near-field formula is also derived. The mathematical derivation of the method is presented and numerical simulations validate the theoretical results.
Author (s): Fazi, Filippo Maria; Olivieri, Ferdinando; Carpentier, Thibaut; Noisternig, Markus
Affiliation:
University of Southampton, Southampton, Hampshire, UK; UMR STMS IRCAM-CNRS-UPMC, Paris, France
(See document for exact affiliation information.)
AES Convention: 134
Paper Number:8921
Publication Date:
2013-05-06
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Session subject:
Spatial Audio
Permalink: https://aes2.org/publications/elibrary-page/?id=16821
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Fazi, Filippo Maria; Olivieri, Ferdinando; Carpentier, Thibaut; Noisternig, Markus; 2013; Wave Field Synthesis of Virtual Sound Sources with Axisymmetric Radiation Pattern Using a Planar Loudspeaker Array [PDF]; University of Southampton, Southampton, Hampshire, UK; UMR STMS IRCAM-CNRS-UPMC, Paris, France; Paper 8921; Available from: https://aes2.org/publications/elibrary-page/?id=16821
Fazi, Filippo Maria; Olivieri, Ferdinando; Carpentier, Thibaut; Noisternig, Markus; Wave Field Synthesis of Virtual Sound Sources with Axisymmetric Radiation Pattern Using a Planar Loudspeaker Array [PDF]; University of Southampton, Southampton, Hampshire, UK; UMR STMS IRCAM-CNRS-UPMC, Paris, France; Paper 8921; 2013 Available: https://aes2.org/publications/elibrary-page/?id=16821
@article{fazi2013wave,
author={fazi filippo maria and olivieri ferdinando and carpentier thibaut and noisternig markus},
journal={journal of the audio engineering society},
title={wave field synthesis of virtual sound sources with axisymmetric radiation pattern using a planar loudspeaker array},
year={2013},
number={8921},
month={may},}
TY – paper
TI – Wave Field Synthesis of Virtual Sound Sources with Axisymmetric Radiation Pattern Using a Planar Loudspeaker Array
AU – Fazi, Filippo Maria
AU – Olivieri, Ferdinando
AU – Carpentier, Thibaut
AU – Noisternig, Markus
PY – 2013
JO – Journal of the Audio Engineering Society
VL – 8921
Y1 – May 2013