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* and tomography<ref>{{cite journal |last1=Zhang |first1=Dong |last2=Chen |first2=Xi |last3=Xiu-fen |first3=Gong |year=2001 |title=Acoustic nonlinearity parameter tomography for biological tissues via parametric array from a circular piston source—Theoretical analysis and computer simulations |journal=The Journal of the Acoustical Society of America |volume=109 |issue=3 |pages=1219–1225 |bibcode=2001ASAJ..109.1219Z |doi=10.1121/1.1344160 |pmid=11303935}}</ref>
* underground seismic prospecting<ref>{{cite journal | doi = 10.1121/1.2022023 | volume=76 | issue=S1 | title=High‐resolution seismic profiling with a low‐frequency parametric array | year=1984 | journal=The Journal of the Acoustical Society of America | page=S78 | last1 = Muir | first1 = T. G. | last2 = Wyber | first2 = R. J.| bibcode=1984ASAJ...76...78M }}</ref>
* active noise control<ref>{{cite web |url=http://www.mecheng.adelaide.edu.au/anvc/abstract.php?abstract=378 |title=
* and directional high-fidelity commercial audio systems ([[Sound from ultrasound]])<ref>[[n:Elwood Norris receives 2005 Lemelson-MIT Prize for invention.]]</ref>
Parametric ''receiving'' arrays can also be formed for directional reception.<ref>{{Cite book |doi = 10.1109/ICASSP.1979.1170632|chapter = Experiments with a large aperture parametric acoustic receiving array|title = ICASSP '79. IEEE International Conference on Acoustics, Speech, and Signal Processing|year = 1979|last1 = Reeves|first1 = C.|last2 = Goldsberry|first2 = T.|last3 = Rohde|first3 = D.|volume = 4|pages = 616–619}}</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.
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