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Convention Paper

Directivity and Distortion in Digital Transducer Array Loudspeaker

Authors: Huang, Yaxiong; Busbridge, Simon C.; Gill, Denshinder S.

AES Convention 108 · Paper 5108 · February 2000

Abstract

An acoustic transducer array driven by a binary digital signal is one of the practicable approaches to a truly digital loudspeaker. Since the sound waves propagated from different transducers carry different bit streams and travel different path lengths to the listening position, a nonuniform sound field will be generated in space. Further analysis also showed that there is significant harmonic distortion in the digital array sound field, which is dependent on the bit drive sequence. Computer simulation results are provided to assess the distortion and to evaluate the radiation properties of a digital transducer array loudspeaker.

Details

Published in
AES Convention 108
AES Convention
108
Paper number
5108
Publication date
February 6, 2000
Session subject
Transducers
Affiliation
University of Brighton, Brighton, United Kingdom (See document for exact affiliation information.)
Type
Convention Paper