Conference paper
A beamforming system based on the acousto-optic effect
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
Language: | English |
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Publisher: | European Acoustics Association |
Year: | 2012 |
Pages: | 1048-1053 |
Proceedings: | Ninth European Conference on Noise Control |
ISBN: | 8001050130 and 9788001050132 |
Types: | Conference paper |