The ‘clipping method’ is the best route to creating virtual sound source in an arbitrarily-shaped room, according to researchers at Brigham Young University. The aim is to use multiple loudspeakers (see photo) and time-reversal signal processing to focus waves sound to a selected location, which then converge in all directions from that location – effectively creating a ...
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from Electronics Weekly https://www.electronicsweekly.com/news/research-news/best-route-sound-focussing-2018-09/
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