Parametric array: Difference between revisions

Revision as of 20:42, 8 October 2009

Revision as of 21:52, 10 March 2010

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* underground seismic prospecting <ref>[http://dx.doi.org/10.1121/1.2022023],</ref>

* 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>[http[n://en.wikinews.org/wiki/Elwood_Norris_receives_2005_LemelsonElwood Norris receives 2005 Lemelson-MIT_Prize_for_inventionMIT Prize for invention.]]</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.