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noise suppressor - 3 dictionary results

noise suppressor

–noun Electronics.
1. squelch (def. 8).
2. noise limiter.

noise limiter

–noun Electronics.
an electronic circuit that cuts off all noise peaks that are stronger than some specific maximum for the desired input signal, thus limiting atmospheric and other interference.
Also called noise suppressor.


Origin:
1935–40

squelch

[skwelch] ,
–verb (used with object)
1. to strike or press with crushing force; crush down; squash.
2. to put down, suppress, or silence, as with a crushing retort or argument.
–verb (used without object)
3. to make a splashing sound.
4. to tread heavily in water, mud, wet shoes, etc., with such a sound.
–noun
5. a squelched or crushed mass of anything.
6. a splashing sound.
7. an act of squelching or suppressing, as by a crushing retort or argument.
8. Also called squelch circuit, noise suppressor. Electronics. a circuit in a receiver, as a radio receiver, that automatically reduces or eliminates noise when the receiver is tuned to a frequency at which virtually no carrier wave occurs.

Origin:
1610–20; var. of quelch in same sense (perh. b. quell and quash ); initial s perh. from squash 1


squelcher, noun
squelch⋅ing⋅ly, adverb
squelch⋅ing⋅ness, noun
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