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Convention Paper

Reproduction of Arbitrarily Shaped Sound Sources with Wave Field Synthesis - Discretisation and Diffraction Effects

Authors: Baalman, Marije A. J.

AES Convention 122 · Paper 7017 · May 2007

Abstract

Current Wave Field Synthesis (WFS) implementations only allow for point sources and plane waves. In order to reproduce arbitrarily shaped sound sources withWFS several aspects need to be considered, such as the WFS-operator for source points outside of the horizontal plane, discretisation of the object surface and diffraction of the sound around the sounding object itself, which can be modelled by introducing secondary sources at the edges of the object. This paper discusses those issues, describes the implementation in software and shows results of both objective and subjective evaluation.

Details

Published in
AES Convention 122
AES Convention
122
Paper number
7017
Publication date
May 6, 2007
Session subject
Spatial Audio Perception and Processing
Affiliation
Technische Universität Berlin (See document for exact affiliation information.)
Type
Convention Paper