Sound field reconstruction in a room from spatially distributed measurements

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Abstract

The full characterization of the sound field in a room from experimental data is a challenging problem, as the direct measurement of the sound field in the volume requires considerable experimental effort. In this study, the sound field in a room at low frequencies is characterized using a representation in wavenumber domain that infers the modal structure of the sound field. The modal structure is used to synthesize frequency response functions, to characterize the spatio-temporal properties of the wave field. The proposed method makes it possible to infer frequency response functions between source-receiver pairs that have not been measured, exploiting the representation of the sound field as a modal superposition, and thus reducing the dimensionality of the reconstruction problem
Original languageEnglish
Title of host publicationProceedings of 23rd International Congress on Acoustics
PublisherGerman Acoustical Society (DEGA)
Publication date2019
Pages4961-68
Article number1425
ISBN (Print)978-3-939296-15-7
Publication statusPublished - 2019
Event23rd International Congress on Acoustics - Eurogress, Aachen , Germany
Duration: 9 Sep 201913 Sep 2019
http://www.ica2019.org/

Conference

Conference23rd International Congress on Acoustics
LocationEurogress
CountryGermany
CityAachen
Period09/09/201913/09/2019
Internet address

Keywords

  • Acoustic holography
  • Room acoustics
  • Array processing
  • Sound field analysis

Cite this

Fernandez Grande, E. (2019). Sound field reconstruction in a room from spatially distributed measurements. In Proceedings of 23rd International Congress on Acoustics (pp. 4961-68). [1425] German Acoustical Society (DEGA).