acoustic hologram

acoustic hologram

[ə′küs·tik ′häl·ə‚gram]
(engineering)
The phase interference pattern, formed by acoustic beams, that is used in acoustical holography; when light is made to interact with this pattern, it forms an image of an object placed in one of the beams.
References in periodicals archive ?
Here we individually control dozens of loudspeakers to tell us an optimal solution to generate an acoustic hologram that can manipulate multiple objects in real-time without contact.
The team, including scientists from the University of Sussex, created a force field known as an acoustic hologram - and adjusting speaker output allowed them to manipulate the 10microgram ball.
We can individually control dozens of loudspeakers to tell us an optimal solution to generate an acoustic hologram that can manipulate multiple objects in real-time without contact.