Sound field reconstruction: towards large-scale spatial sensing

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Abstract

Over the last couple of decades, sound field analysis and reconstruction methods have enabled us to observe and better understand diverse acoustic phenomena, from jetnoise to the sound of historical violins. In a broad sense, sound field reconstruction methods consist of capturing the spatial properties of sound, in order to visualize, analyze, reproduce, or manipulate the sound field in various
ways. Fueled by advances in instrumentation and signal processing, these methods have had a profound impact in the field of acoustics and have been widely adopted in areas like vibro-acoustics, spatial audio, room acoustics, materials and electroacoustics – among others. In this talk we discuss new approaches for capturing and reconstructing sound fields in space, motivated by some of
the longstanding challenges in the field. Specifically, we consider: 1) novel sensing methods, with a focus on optical remote sensing and the acousto-optic interaction, to measure sound using light, 2) physical models for largescale sound field visualization/reconstruction and 3) Deep Learning approaches for augmenting conventional acoustic measurements. Finally, we share an outlook of this multifaceted and increasingly relevant domain of acoustics.
Original languageEnglish
Publication date2023
Number of pages4
Publication statusPublished - 2023
Event10th Convention of the European Acoustics Association - Politecnico di Torino, Torino, Italy
Duration: 11 Sept 202315 Sept 2023
https://www.fa2023.org/

Conference

Conference10th Convention of the European Acoustics Association
LocationPolitecnico di Torino
Country/TerritoryItaly
CityTorino
Period11/09/202315/09/2023
Internet address

Bibliographical note

Paper associated to Keynote lecture at Forum Acusticum 2023, Torino, IT

Keywords

  • Sound field analysis
  • Signal processing
  • Measurement techniques
  • Acoustic holography
  • Room acoustics

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