[Elecraft] [K3] CW Sidetone Pitch Change Problem

Rick Prather k6limaecho at gmail.com
Thu Apr 29 16:19:40 EDT 2010


That's very interesting.

Thanks,

Rick
K6LE

On 4/29/2010, at 10:44 , Bill W4ZV wrote:

> 
> 
> Rick Prather-2 wrote:
>> 
>> Wow <1Hz change?
>> 
>> You guys violinists for the SF Symphony?
>> 
>> I'm impressed!
>> 
> 
> It's a gift from God and you could have it too!  Click "Adaptive Pitch" to
> the right here:
> 
> http://tonometric.com/adaptivepitch/
> 
> "This adaptive pitch test will play a series of two short tones and ask you
> if the second tone is higher or lower than the first tone. This test
> measures your pitch perception abilities by adapting to your responses: The
> better you are, the closer and closer the stimuli will become. As you
> advance in the test, it may sound as if the two tones are identical. This is
> never the case: they will always be a different pitch, even if that
> difference is imperceptible."
> 
> I forget the exact histogram breakpoints but I believe ~20% of folks can
> resolve <1 Hz.  If you take the test, you'll see the histogram and where you
> fall on it. 
> 
> Have fun!
> 
> 73,  Bill
> 



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