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Convention Paper Open Access

Polar Measurements of Harmonic and Multitone Distortion of Direct Radiating and Horn Loaded Transducers

Authors: Cobianchi, Mattia; Mizzoni, Fabrizio; Uncini, Aurelio

AES Convention 134 · Paper 8915 · May 2013

Abstract

While extensive literature is available on the topic of polar pattern measurements and predictions of loudspeakers’ fundamental SPL, only a single paper to our knowledge deals with the polar pattern of nonlinear distortions, in particular with harmonic distortion products of cone type loudspeakers. This paper contains the first results of a more thorough study intended as a complement to fill the gap both in measurement techniques and loudspeaker type. Relative and absolute harmonic distortion as well as relative and absolute multitone distortion, indeed, have been measured for cone, dome, and horn loaded transducers.

Details

Published in
AES Convention 134
AES Convention
134
Paper number
8915
Publication date
May 6, 2013
Session subject
Measurements and Modeling
Affiliation
Lavoce Italiana, Colonna (RM), Italy; Sapienza University of Rome, Rome, Italy (See document for exact affiliation information.)
Type
Convention Paper