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* and tomography {{cite journal | doi = 10.1121/1.1344160 | volume=109 | issue=3 | title=Acoustic nonlinearity parameter tomography for biological tissues via parametric array from a circular piston source—Theoretical analysis and computer simulations | year=2001 | journal=The Journal of the Acoustical Society of America | pages=1219–1225 | last1 = Zhang | first1 = Dong | last2 = Chen | first2 = Xi | last3 = Xiu-fen | first3 = Gong| bibcode=2001ASAJ..109.1219Z }}
* 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=Archived copy |accessdate=2006-12-05 |
* 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>[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.
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