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This paper presents a method using physical scale models as echo chambers. The proposed framework creates a partitioned convolution engine where the convolution processing is carried out physically on an up-scaled live audio stream in the model. The resulting reverberated sound is captured and down-scaled, providing the result to the user in real-time. The scale factor can be dynamically changed to explore different room sizes and the reduced dimensions of the scale model make it a tangible reverberation tool. Scale factors up to 1:5 have been tested for full bandwidth, with higher factor possible with improved hardware or in exchange for lowering the upper frequency range, primarily due to driver performance.
Author (s): Delcourt, Kevin; Zagala, Franck; Blum, Alan; Katz, Brian F. G.
Affiliation:
École Nationale Supérieure Louis Lumière, Saint-Denis, France; Sorbonne Université, Paris, France
(See document for exact affiliation information.)
AES Convention: 147
Paper Number:10236
Publication Date:
2019-10-06
Import into BibTeX
Session subject:
Room Acoustics
Permalink: https://aes2.org/publications/elibrary-page/?id=20609
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Delcourt, Kevin; Zagala, Franck; Blum, Alan; Katz, Brian F. G.; 2019; What’s Old Is New Again: Using a Physical Scale Model Echo Chamber as a Real-Time Reverberator [PDF]; École Nationale Supérieure Louis Lumière, Saint-Denis, France; Sorbonne Université, Paris, France; Paper 10236; Available from: https://aes2.org/publications/elibrary-page/?id=20609
Delcourt, Kevin; Zagala, Franck; Blum, Alan; Katz, Brian F. G.; What’s Old Is New Again: Using a Physical Scale Model Echo Chamber as a Real-Time Reverberator [PDF]; École Nationale Supérieure Louis Lumière, Saint-Denis, France; Sorbonne Université, Paris, France; Paper 10236; 2019 Available: https://aes2.org/publications/elibrary-page/?id=20609
@article{delcourt2019what’s,
author={delcourt kevin and zagala franck and blum alan and katz brian f. g.},
journal={journal of the audio engineering society},
title={what’s old is new again: using a physical scale model echo chamber as a real-time reverberator},
year={2019},
number={10236},
month={october},}