antinoise


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an·ti·noise

 (ăn′tē-noiz′, ăn′tī-)
adj.
1. Designed to reduce environmental noise, as in a community: an antinoise ordinance.
2. Capable of neutralizing the sound of another noise.
n.
A technique for neutralizing unwanted sound, in which a second sound wave, identical to but out of phase with the unwanted sound, is used to cancel the unwanted sound.

antinoise

(ˈæntɪˌnɔɪz)
n
(General Engineering) sound generated so that it is out of phase with a noise, such as that made by an engine, in order to reduce the noise level by interference

an•ti•noise

(ˌæn tiˈnɔɪz, ˌæn taɪ-)

adj.
designed to reduce or ban excessively loud sound, as of jet engines or traffic: antinoise regulations.
[1905–10]
References in periodicals archive ?
Coverings 2700 m2 asphalt pavements 1100 antinoise walls 180 m2
This method overcame the defect of most algorithms to consider only the color information during segmentation of topographic maps, with improved segmentation precision and antinoise capability.
used the improved hybrid algorithm, particle swarm optimization via Levy flight (LPSO), to estimate the five parameters of hybrid duct and analysed its antinoise ability [9].
Now, most of the image segmentation methods assume that the intensity distribution of MR images is uniform, only from the perspective of antinoise performance to segment MR image, which is bound to cause inaccurate segmentation result.
The rise comes despite the introduction of antinoise legislation in 2004.
In our workplace we would like to make antinoise panels based on crushed plastic boards of PCBs sticked by special adhesive mixture.
The protesters were supporters of the antinoise campaign group HACAN ClearSkies, which is mainly made up of locals opposed to further expansion of Heathrow.
The judges were considering an appeal by the UK Government to an earlier Strasbourg court victory on night flying for eight members of the Heathrow antinoise group,HACAN ClearSkies.
HUNDREDS of antinoise protesters marched on Downing Street yesterday in a demonstration against the decision to give the goahead to a fifth terminal at Heathrow Airport.
Antinoise enclosures and central dust extraction (2 x 10" pipes) recommended Torwegge H 604 Series 18,000-26,000 lbs.
The other, Jesus Pica Planas, is representative of most of these men, for creating a number of devices "striking in their uselessness," including an antinoise device for enamored cats and a mousetrap in the form of a guillotine.