antinoise

antinoise
a) intended to reduce environmental noise

According to the law, the pubs have to close by midnight.

b) capable of neutralizing another noise

I have invented an raygun.

2. noun
a sound wave, of the same amplitude but of opposite phase to that of an unwanted sound, that can neutralize the unwanted sound using destructive interference

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  • antinoise — /an tee noyz , an tuy /, adj. designed to reduce or ban excessively loud sound, as of jet engines or traffic: antinoise legislation. [1905 10; ANTI + NOISE] * * * …   Universalium

  • antinoise — an•ti•noise [[t]ˌæn tiˈnɔɪz, ˌæn taɪ [/t]] adj. cvb designed to reduce or ban excessively loud sound, as of jet engines or traffic: antinoise regulations[/ex] • Etymology: cvb 1905–10 …   From formal English to slang

  • antinoise — ˌ adjective Etymology: anti (I) + noise : designed or acting to reduce noise level an antinoise ordinance …   Useful english dictionary

  • antinoise — an·ti·noise …   English syllables

  • an|tinoise — «AN tee NOYZ», adjective, noun. –adj. 1. opposed to, or directed against, noise: »London, Chicago and Los Angeles are among the large cities now considering antinoise bans (Wall Street Journal). 2. preventing or lessening noise: »antinoise… …   Useful english dictionary

  • Noise-cancelling headphones — Showing 13.5φEX Headphone with noise cancellation from Sony Walkman Series NW S705F Noise cancelling headphones reduce unwanted ambient sounds (i.e., acoustic noise) by means of active noise control (ANC). This involves using one or more… …   Wikipedia

  • Active noise control — (ANC) (also known as noise cancellation, active noise reduction (ANR) or antinoise) is a method for reducing unwanted sound. Contents 1 Explanation 2 Applications 3 See also 4 …   Wikipedia

  • Soundproofing — is any means of reducing the intensity of sound with respect to a specified source and receptor. There are several basic approaches to reducing sound: increasing the distance between source and receiver, using noise barriers to block or absorb… …   Wikipedia

  • German Aerospace Center — Deutsches Zentrum für Luft und Raumfahrt e.V. Established 1969 Headquarters Köln Porz Administrator Johann Dietrich Wörner …   Wikipedia

  • De-emphasis — In telecommunication, de emphasis is the complement of pre emphasis, in the antinoise system called emphasis. Emphasis is a system process designed to decrease, (within a band of frequencies), the magnitude of some (usually higher) frequencies… …   Wikipedia

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