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Convention Paper

About Phase Optimization in Multitone Excitations

Authors: Bard, Delphine; Meyer, Vincent

AES Convention 125 · Paper 7591 · October 2008

Abstract

Multitone signals are often used as excitation for the characterization of audio systems. The frequency spectrum of the response consists of harmonics of the frequencies contained in the excitation and intermodulation products. Beside the choice of frequencies, in order to avoid frequency overlapping, there is also the need to choose adequate magnitudes and phases for the different components that constitute the multitone signal. In this study, we will investigate how the choice of the phases will impact the properties of the multitone signal, but also how it will affect the performances of a compensation method based on Volterra kernels and using multitone signals as an excitation.

Details

Published in
AES Convention 125
AES Convention
125
Paper number
7591
Publication date
October 6, 2008
Session subject
Loudspeakers
Affiliation
University of Lund (See document for exact affiliation information.)
Type
Convention Paper