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What does ANR stand for?

ANR stands for Active Noise Reduction

This definition appears very frequently

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Other Resources:
We have 92 other meanings of ANR in our Acronym Attic

Samples in periodicals archive:

Each Saab 340Bplus features comfortable seating for 34 passengers, large, easy-to-access overhead bins, personalized flight attendant service, an active noise reduction system and on-board lavatories.
These headset-microphones use a digital voice system and have an active noise reduction feature, along with an electricpowered microphone.
Sound inside the ear is actively cancelled through a process known as active noise reduction," the spokesman explained, adding that while this technology has been used in headsets.
The biggest boon, however, came in 1989, with the introduction of the Bose active noise reduction headset, invented by the Framingham, MA-based company best-known for a variety of smartly marketed high-tech home and automotive audio advances.