[Elecraft] Copying CW and Pitch

[Mike Cizek W0VTT]

As a bass clef guy my entire life, I have my sidetone set at 300 Hz.  Sometimes wish it would go lower.

----
73,
Mike Cizek W0VTT
Retired Bass Trombonist

-----Original Message-----
From: elecraft-bounces at mailman.qth.net <elecraft-bounces at mailman.qth.net> On Behalf Of Dave Fugleberg
Sent: Saturday, 13 March, 2021 18:07
To: Elecraft List <elecraft at mailman.qth.net>
Subject: Re: [Elecraft] Copying CW and Pitch

Jim, that’s an interesting bit of information. Is that the case even for people who have excellent hearing at higher frequencies? In other words, would people with excellent hearing at higher frequencies also benefit from using a lower frequency side tone?


On Sat, Mar 13, 2021 at 5:45 PM Jim Brown <jim at audiosystemsgroup.com> wrote:

> On 3/13/2021 10:48 AM, Sverre Holm (LA3ZA) wrote:
> > A CW sidetone pitch of 400 Hz is consistent with what little 
> > research
> there
> > is on this. A paper from 1992 says that "/All subjects improved 
> > their recognition as the frequency was lowered to 500 Hz, some even at 250 Hz.
>
> As a retired designer of large sound systems, I had to learn a lot 
> about acoustics and psychoacoustics (the science of how humans' 
> ear/brain interprets what we hear). That science tells us that, like 
> most of our senses, hearing is logarithmic both with respect to 
> frequency and loudness. This means that our discrimination of one 
> frequency as compared to another increases with decreasing frequency. 
> That is, we are better able to separate signals from each other with 
> RX pitch set to lower frequencies.
>
> 73, Jim K9YC
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