[CQ-Contest] Noise canceling headphones

[Scott Ellington]

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.

73,

Scott  K9MA


-- 
Scott Ellington
Madison, Wisconsin   USA

sdelling at facstaff.wisc.edu


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