Active Noise Control

Active noise control (ANC), also known as noise cancellation, or active noise reduction (ANR), is a method for reducing unwanted sound.

Read more about Active Noise Control:  Explanation, Applications, Active Vs. Passive Noise Control, History

Famous quotes containing the words active, noise and/or control:

    “Even if you find yourself in a heated exchange with your toddler, it is better for your child to feel the heat rather than for him to feel you withdraw emotionally.... Active and emotional involvement between parent and child helps the child make the limits a part of himself.”
    —Stanley I. Greenspan (20th century)

    “who chained themselves to subways for the endless ride from Battery
    to holy Bronx on benzedrine until the noise of wheels and children
    brought them down shuddering mouth-wracked and battered bleak of brain and drained of brilliance in the drear light of Zoo,”
    —Allen Ginsberg (b. 1926)

    “Just as men must give up economic control when their wives share the responsibility for the family’s financial well-being, women must give up exclusive parental control when their husbands assume more responsibility for child care.”
    —Augustus Y. Napier (20th century)