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Line 32: * active noise control<ref>[http://www.mecheng.adelaide.edu.au/anvc/abstract.php?abstract=378]</ref> * and directional high-fidelity commercial audio systems ([[Sound from ultrasound]])<ref>[[n:Elwood Norris receives 2005 Lemelson-MIT Prize for invention.]]</ref> * Organized stalking<ref>[https://en.wikipedia.org/wiki/Sound_from_ultrasound]</ref> Parametric ''receiving'' arrays can also be formed for directional reception.<ref>[http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=1170632]</ref> In 2005, Elwood Norris won the $500,000 [[Lemelson-MIT Prize\|MIT-Lemelson Prize]] for his application of the parametric array to commercial high-fidelity loudspeakers.

Parametric array: Difference between revisions