Spherical decomposition of arbitrary scattering geometries for virtual acoustic environments

Raimundo Gonzalez Diaz*, Archontis Politis, Tapio Lokki

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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Abstract

A method is proposed to encode the acoustic scattering of objects for virtual acoustic applications through a multiple-input and multiple-output framework. The scattering is encoded as a matrix in the spherical harmonic domain, and can be re-used and manipulated (rotated, scaled and translated) to synthesize various
sound scenes. The proposed method is applied and validated using Boundary Element Method simulations which shows accurate results between references and synthesis. The method is compatible with existing frameworks such as Ambisonics and image source methods.
Original languageEnglish
Title of host publicationProceedings of the 24th International Conference on Digital Audio Effects
Pages199-205
Number of pages7
Publication statusPublished - Sep 2021
MoE publication typeA4 Article in a conference publication
EventInternational Conference on Digital Audio Effects - Online, Vienna, Austria
Duration: 8 Sep 202110 Sep 2021
Conference number: 24
https://dafx2020.mdw.ac.at/

Publication series

NameProceedings of the 24th International Conference on Digital Audio Effects (DAFx20in21)
ISSN (Print)2413-6700
ISSN (Electronic)2413-6689

Conference

ConferenceInternational Conference on Digital Audio Effects
Abbreviated titleDAFx
Country/TerritoryAustria
CityVienna
Period08/09/202110/09/2021
Internet address

Keywords

  • virtual acoustics
  • spherical harmonics
  • scattering

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