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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This section describes the modifications to the ECAP-L algorithm that are necessary to apply this algorithm for active noise control applications.
Scratch Shield paint, Active Noise Control and goodies like heated leather steering wheel, rear view camera and Hard Disk Drive Infiniti Music Box are on every car, while an air purifying climate control system called Forest Air to keep out nasty niffs is one of only three extra cost options.
Double glazed side windows help reduce noise but the car also has a clever Active Noise Control System.
The Adaptive Signal Processing Scheme for Power Quality Conditioning Applications Based on Active Noise Control (ANC) // Electronics and Electrical Engineering.--Kaunas: Technologija, 2009.--No.
Other debut technologies available include Active Noise Control and Forest Air, a climate control system that recreates the gentle breezes and scents of an environment known to promote alertness and relieve stress.
The "anti-Vuvuzela filter" is based on a technique called active noise control, which is widely used in the music industry to erase unwanted buzz on records.
"Active noise control uses the same basic principle as the resonators but you do it with loudspeakers or panel actuators.
Regional British airline Flybe has received its 50th Bombardier Q400 aircraft, equipped with the 1,000th installation of Ultra Electronics' Active Noise Control (ANC) system.
Sicuranza and Marshall, affiliated, respectively, with the University of Trieste, Italy and the University of Strathclyde, UK present work on emerging theories and techniques in nonlinear signal and image processing, including recent theoretical contributions in digital filtering as well as applications in areas such as genomics, speech analysis and synthesis, communication systems, active noise control, and strategies for handling multivalued data.
* Active Noise Control with Distributed and Hierarchical Systems
Another noise reduction technology that is making significant inroads in certain sectors employs the concept of "active noise control" (ANC).

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