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Active noise control

Active noise control (ANC), also known as noise cancellation (NC), or active noise reduction (ANR), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first. The concept was first developed in the late 1930s; later developmental work that began in the 1950s eventually resulted in aviation…

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Active noise control

Nodes28
Edges27
Triples40
Avg. degree1.93
Density0.071429
Components1

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Active noise control

Top relations

related to External links · 14
Active noise control → Active Noise Cancellation Technology, April, Archived, BYU, Digisonix, Environment, IEEE Potentials, Noise, Quieting, Ruckman's ANC FAQ, Silence, This, Waves, Wayback Machine
related to history · 11
Active noise control → By, Fogel, Hz, In, Lawrence, NiCad, Paul Lueg, The, They, This, Willard Meeker
related to Active versus passive noise control · 5
Active noise control → Active, For, In, Noise, Passive
related to Explanation · 5
Active noise control → Adaptive, Modern, Sound, The, This

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Important terminology

noise active sound control cancel signal reduction cancellation also headphones first wave source power unwanted technology applications passive effective sounds

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
engine-instance ofnoise0.80text
propeller- or rotor-induced noiseinstance ofnoise0.80text
insulationinstance ofPassive noise control is sound reduction by noise-isolating materials0.80text
sound-absorbing tilesinstance ofPassive noise control is sound reduction by noise-isolating materials0.80text
or a muffler rather than a power source.Active noise canceling is best suited for low frequenciesinstance ofPassive noise control is sound reduction by noise-isolating materials0.80text
Active noise controlrelated to Active versus passive noise controlNoise0.60section
Active noise controlrelated to Active versus passive noise controlActive0.60section
Active noise controlrelated to Active versus passive noise controlPassive0.60section
Active noise controlrelated to Active versus passive noise controlFor0.60section
Active noise controlrelated to Active versus passive noise controlIn0.60section
Active noise controlrelated to ExplanationSound0.60section
Active noise controlrelated to ExplanationThe0.60section

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