[Elecraft] Noise Cancelling Headphones

[Steve Kercel]

With my Bose QC2 phones, I've never noticed any diminution in the 
quality of the desired signal. Full disclosure: I'm a CW guy. I have no 
idea how they perform on SSB.

73,

Steve
AA4AK


On 12/26/2013 8:30 AM, Charlie T, K3ICH wrote:
> I've never tried noise cancelling headphones, so my one question is, 
> does anyone detect ANY effect to the desired audio?  In other words, 
> any "Noise-Blanker"  effects or coloration of the audio?
> I would suppose that, since they're designed for music, the noise 
> cancelling function is transparent, right?
>
> On the very few flights I've taken recently, I successfully used my 
> old Sony MDR-7506's.  Maybe I don't know what I'm missing by NOT using 
> a noise cancelling set.
>
> 73, Charlie k3ICH
>
>
> ----- Original Message ----- From: "Ron D'Eau Claire" <ron at cobi.biz>
> To: <elecraft at mailman.qth.net>
> Sent: Thursday, December 26, 2013 2:25 AM
> Subject: Re: [Elecraft] Noise Cancelling Headphones
>
>
>> True noise cancelling headphones will cut noise far, far beyond anything
>> acoustic isolation from ear pads can accomplish.
>>
>> I have a pair of Audio-Technia QuierPoint ATH-ANC1. They are "on ear" 
>> types
>> so I didn't recommend them to the person asking for ones that cover the
>> ears. They are very comfortable for me.
>>
>> When I fly, as the roar and whine of the big jet engines invades the 
>> cabin,
>> I just switch them on and all the racket becomes a quite background 
>> purr.
>>
>> I often wear them for the entire 11 hours from the west coast of the 
>> USA to
>> Europe, even if I'm not listening to any programs.
>>
>> The active circuitry in true noise-cancelling phones inverts the sound
>> arriving and so actually cancels it out.
>>
>> The circuit takes a few seconds to adapt so when the attendant brings my
>> drink she has no trouble waking me.
>>
>> 73 Ron AC7AC
>>
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