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Convention Paper

Listening Broadband Physical Model for Microphones: A First Step

Authors: Elliq, Mohammed; Lambert, Dominique; Lopes, Manuel; Millot, Laurent; Pelé, Gérard; Valette, Antoine

AES Convention 120 · Paper 6638 · May 2006

Abstract

We will present a first step in design of a broadband physical model for microphones. Within the proposed model, classical directivity patterns (omnidirectionnal, bidirectionnal and cardioids familly) are refound as limit cases: monochromatic excitation, low frequency and far-field approximation. Monophonic pieces of music are used as sources for the model so we can listen the simulation of the associated recorded soundfield in realtime thanks to a Max/MSP application. Listening and subbands analysis show that the directivity is a function of frequential subband and source location. This model also exhibits an interesting proximity effect. Audio demonstrations will be given.

Details

Published in
AES Convention 120
AES Convention
120
Paper number
6638
Publication date
May 6, 2006
Session subject
Microphones
Affiliation
ENS Louis-Lumiere (See document for exact affiliation information.)
Type
Convention Paper