Active structural acoustic illusions.

Abstract:

:We present active manipulation of the structural vibrations of an elastic body to generate an acoustic illusion. The resultant illusion misrepresents the nature, size and number of objects in the exterior acoustic domain. We demonstrate our technique, herein termed active structural acoustic illusion, using an elastic cylindrical shell. The radial motion of the shell at its cavity resonance frequencies is actively modified using localised mechanical forces. Acoustic illusions are generated to resemble the scattered acoustic field by one or more rigid cylinders of different size and location.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Eggler D,Kessissoglou N

doi

10.1038/s41598-020-66398-8

subject

Has Abstract

pub_date

2020-06-17 00:00:00

pages

9772

issue

1

issn

2045-2322

pii

10.1038/s41598-020-66398-8

journal_volume

10

pub_type

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