A beamforming system based on the acousto-optic effect

Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2012

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Beamforming techniques are usually based on microphone arrays. The present work uses a beam of light as a sensor element, and describes a beamforming system that locates sound sources based
on the acousto-optic effect, this is, the interaction between sound and light. The use of light as a sensing element makes this method immune to spatial aliasing. This feature is illustrated by means of
simulation and experimental results. For ease of comparison, the study is supplemented with results obtained with a line array of microphones
Original languageEnglish
Title of host publicationProceedings - European Conference on Noise Control
PublisherEuropean Acoustics Association
Publication date2012
Pages1048-1053
ISBN (print)978-80-01-05013-2
StatePublished

Conference

ConferenceNinth European Conference on Noise Control
CountryCzech Republic
CityPrague
Period10/06/1213/06/12

Keywords

  • Acoustic variables control, Microphones, Beamforming, Acousto-optic effect, Beamforming technique, Line arrays, Microphone arrays, Sensing elements, Sensor elements, Sound source, Spatial aliasing.
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