optical microphone

[¦äp·tə·kəl ′mī·krə‚fōn]

(engineering acoustics)

A microphone in which the motion of a membrane is detected using a light beam reflected from it, either with the aid of an interferometer or by detecting the deflection of the beam.

References in periodicals archive ?

VocalZoom s optical microphone is the only technology of its kind that is not affected by any background noise, and has the potential to provide disruptive voice clarity in any condition, said VocalZoom s Chairman, Yechiel Kurtz, We are excited with the partnership with Motorola Solutions, which provides us with new opportunities in a large and strategic market.

United States : Motorola Solutions Invests in VocalZoom

Integration of the Phone-Or BNS system optical microphone into Motorola Telematics systems will enhance voice recognition capabilities in the automobile, thereby improving the in-car communications experience.

PHONE-OR BNS SYSTEM ENHANCES MOTOROLA TELEMATIC SYSTEMS

Other new providers include: Single Quantum (A2, 511), which develops superconducting nanowire single-photon detectors; and Xarion (A2, 132), offering optical microphones for industrial process control and machine monitoring.

Standout sensing in Munich: Laser World of Photonics promises much for those interested in imaging technology