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Journal Article

Sound Field Reproduction of Real Flight Recordings in Aircraft Cabin Mock-Up

Authors: Gauthier, Philippe-Aubert; Camier, Cédric; Padois, Thomas; Pasco, Yann; Berry, Alain

Journal of the Audio Engineering Society · Volume 63 · Issue 1/2 · pp. 6–20 · January 2015

Abstract

A mock-up of an airplane cabin can be a good simulation tool for the study, prediction, demonstration, and jury testing of interior aircraft sound quality. The authors used real flight recordings created with vibrational and microphone transducer arrays in combination with multichannel equalization with least-mean-square optimization techniques. The paper presents physical evaluations of reproduced sound fields on the basis of real flight recordings using an 80-channel microphone array and 41 reproduction sources in the cabin mock-up. To provide a faithfully reproduced sound environment, time, frequency, and spatial characteristics should be preserved. Results are satisfactory given the various limitations and constraints.

Details

Publication
Journal of the Audio Engineering Society
Volume
63
Issue
1/2
Pages
6–20
Publication date
January 6, 2015
Affiliation
Groupe d’Acoustique de l’Université de Sherbrooke (GAUS), Université de Sherbrooke, Sherbrooke, Canada; Centre for Interdisciplinary Research in Music, Media and Technology, McGill University, Montréal, Canada (See document for exact affiliation information.)
Type
Journal Article