Active Noise Control

(redirected from Active noise reduction)
Also found in: Acronyms, Encyclopedia.

Active Noise Control

The use of energy-consumptive systems to reduce “white” noise by applying specific algorithms and computer-controlled digital processors, to generate sounds opposite that of the undesired noise(s), effectively cancelling their effects.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
Mentioned in ?
References in periodicals archive ?
Technology advancements in hearing protection: Active noise reduction, frequency/amplitude sensitivity, and uniform attenuation.
Headsets with active noise reduction have become popular because they seem to do a better job and are more comfortable.
AND THE ELECTRONICS GIVES YOU ACTIVE NOISE REDUCTION.
All the while, Lightspeed Aviation's Zulu has been steadily increasing its dominance in the premium headset market by offering active noise reduction (ANR) on par or exceeding that of the Bose, along with music and phone connectivity.
These headset-microphones use a digital voice system and have an active noise reduction feature, along with an electricpowered microphone.
Noise protection in headset speakers is accomplished by means of two techniques: active noise reduction (ANR) and passive noise reduction (PNR).
Following our report on active noise reduction headsets in the May issues, the e-mails trickled in.

Full browser ?