[CQ-Contest] Noise canceling headphones

Scott Ellington sdelling at facstaff.wisc.edu
Wed Dec 15 14:51:10 EST 1999

Eric Scace wrote:
> I don't think noise canceling headphones do much to shut out the
> loud-mouthed operator sitting next to you.  That does not meet the profile
> of "noise".  They will cancel white- and pink-noise sounds such as the fans
> on amplifiers.

The "head-vice" models will.  At high frequencies, they work like passive
hearing protectors. The active noise cancellation attenuates the low
frequencies, where passive attenuation is small.


Scott  K9MA

Scott Ellington
Madison, Wisconsin   USA

sdelling at facstaff.wisc.edu

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