Scattering delay network simulator of coupled volume acoustics

Date
2022-01-18
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Source Title
IEEE/ACM Transactions on Audio Speech and Language Processing
Print ISSN
2329-9290
Electronic ISSN
2329-9304
Publisher
Institute of Electrical and Electronics Engineers Inc.
Volume
30
Issue
Pages
582 - 593
Language
English
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Abstract

Artificial reverberators provide a computationally viable alternative to full-scale room acoustics simulation methods for deployment in interactive, immersive systems. Scattering delay network (SDN) is an artificial reverberator that allows direct parametric control over the geometry of a simulated cuboid enclosure, as well as the directional characteristics of the simulated sound sources and microphones. This paper extends the concept of SDN reverberators to multiple enclosures coupled via an aperture. The extension allows independent control of the acoustical properties of the coupled enclosures and the size of the connecting aperture. Transfer functions of the coupled-volume SDN are derived. The effectiveness of the proposed method is evaluated in terms of rendered energy decay curves in comparison to full-scale ray-tracing models and scale model measurements. © 2014 IEEE.

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