Active Noise Control

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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.
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Narrow-band digital active noise reduction in a siren-cancelling headset: Real ear and acoustic manikin insertion loss.
Since introducing the industry's first active noise reduction headset in 1989, we've continued our aviation research with a very specific goal: to improve the flying experience for pilots," said Sean Garrett, general manager of the Bose Noise Reduction Technology Group.
Under the newly signed pact, the partners are in search of additional alliance in the areas of Aircraft survivability equipment counting 3D-Audio and Active Noise Reduction Electronics manufacturing, Naval radars and radar antenna design Aircraft composite structures.
A third involves including a class of hearing protection that has been excluded in the past--namely electronic hearing protectors which provide active noise reduction or impulse noise suppression.
The original Denali series is replaced by the new enhanced headsets and also features 2 active noise reduction (ANR) models, which delivers industry-leading performance, comfort and value in a very lightweight and durable design.
The QuietComfort 15 headphones debut a more sophisticated, proprietary electronics approach to active noise reduction, placing microphones both inside and outside the earcup.
Active noise reduction, echo cancellation and stereo microphone array beam forming technology provides a better user experience with more intelligible audio when using Skype and other popular VoIP applications despite noisy environments.
ROME -- SELEX Communications, a Finmeccanica company, and Sennheiser Government Systems have partnered to offer the new Warrior Advanced Communications Headset 900 (WACH-900), which delivers a unique Active Noise Reduction (ANR) solution designed to address soldier voice communications needs in high ambient noise environments.
Because on-ear headphones are less effective at providing passive noise reduction (the physical blocking of noise), Bose engineers had to develop new ways to increase the active noise reduction in the QC(TM)3 headphones.
Telex is introducing three new active noise reduction (ANR) headsets under the Stratus brand name.
OTCBB:PCTU) today announced that Frontier Solutions and Strategies, a leading provider of ergonomic hardware and accessories in Australia and New Zealand, intends to distribute Pro Tech's NoiseBuster(R) active noise reduction (ANR) audio headphones.

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