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The Boundary Element method implemented in a commercial code is used to verify the acoustic directional characteristic in the far field of an arrayable loudspeaker’s horn in comparison with the full space, far field, measured acoustic balloon. A simple model of the full arrayable loudspeaker horn’s splay idealizes each source only by the calculated emission on a flat plane at each horn’s mouth. This approach reduces significantly the BEM’s calculation time with regard to having to model each source by its full geometry. Comparison with the full space, far field, predicted pressure from test data shows good agreement in all the frequency range of interest.
Author (s): Nizzoli, Tommaso; Prati, Stefano
Affiliation:
Acoustic Vibration Consultant, Reggio Emilia, Italy; RCF S.p.A., Reggio Emilia, Italy
(See document for exact affiliation information.)
AES Convention: 134
Paper Number:8846
Publication Date:
2013-05-06
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Session subject:
Transducers
Permalink: https://aes2.org/publications/elibrary-page/?id=16747
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Nizzoli, Tommaso; Prati, Stefano; 2013; Boundary Element Simulation of an Arrayable Loudspeaker Horn [PDF]; Acoustic Vibration Consultant, Reggio Emilia, Italy; RCF S.p.A., Reggio Emilia, Italy; Paper 8846; Available from: https://aes2.org/publications/elibrary-page/?id=16747
Nizzoli, Tommaso; Prati, Stefano; Boundary Element Simulation of an Arrayable Loudspeaker Horn [PDF]; Acoustic Vibration Consultant, Reggio Emilia, Italy; RCF S.p.A., Reggio Emilia, Italy; Paper 8846; 2013 Available: https://aes2.org/publications/elibrary-page/?id=16747