Anymore I find that my hearing (except for that pesky tinnitus) rolls off around 1800 hz. I can't hear my auduo in the monitor if I use a tone that high anyway.
On Sun, Mar 14, 2021, 04:39 E.H. Russell <[email protected]> wrote: > FWIW At my age hearing of both ears starts to roll off in the 4khz range. > I can remember when the upper limit was 20+khz. I'm a bass player so my > hearing is quite acute at low frequencies. However for CW I prefer to copy > at about 625hz. This is with filters set in the 50-500hz range. If I try to > copy at a lower frequency the signal tends to get shrouded by noise. I have > not specifically tested the ability to discriminate close signals though. > > ED / W2RF > > > > > -----Original Message----- > From: [email protected] <[email protected]> > On Behalf Of Jim Brown > Sent: Sunday, March 14, 2021 3:16 AM > To: [email protected] > Subject: Re: [Elecraft] Copying CW and Pitch > > On 3/13/2021 9:37 PM, Dave Cole wrote: > > I had a hearing test many years ago, and asked to see the results. > > Turns out I had a null at some frequency I don't remember right now, > > but it was exactly where I had selected my sidetone to be... My guess > > is because I heard less noise there... Anyway-- > > > > I re-selected a new sidetone, lower in frequency, and on a small peak... > > My CW speed for copy increased probably 10-15%. > > One of the most common forms of hearing loss starts at the high > frequencies and works its way down with age, but that's far from universal. > When one or more notches develop at certain frequencies, it's often the > result of noise exposure at work. > > 73, Jim K9YC > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
