[Elecraft] KX3's binaural pitch-mapping feature

[Dale Boresz]

Roger,

The AFX mode button on the K3/K3S turns the previously-selected 'AFX Mode'
On and Off. You select the desired mode via the "MENU > AFX MD" option;
NOTE: it's the 'MENU' and not 'CONFIG' option. You should see choices of:
delay 1 through delay 5, and bin. These are described in the manual, but
the delay modes provide a "pseudo stereo" acoustic image with the 'image
width' proportional to the delay #. I think the 'bin' option reverses the
phase on one channel with respect to the other, which changes the 'mono'
image to a more 'out of head' image. To experiment in real-time, engage
your AFX button, and then evoke the 'MENU > AFX MD' option and try the
various settings as you listen to the band. It's probably obvious, but the
best way to hear and make use of this functionality is by wearing
headphones or to a lesser degree by sitting in the 'sweet spot' between
your external Left and Right speakers.

Have fun!

73,
Dale - WA8SRA

On Tue, Oct 22, 2019 at 4:10 PM Roger D Johnson <n1rj at roadrunner.com> wrote:

> I've tried several times to get this to work on my K3 without result. My
> K3 has no AFX Mode selection.
>
> 73, Roger
>
>
> On 10/21/2019 8:05 PM, Wayne Burdick wrote:
> > The KX3, like the K3/K3S and KX2, has full stereo audio. But it has one
> special audio effects mode the others don't: binaural-audio pitch mapping.
> >
> > When pitch-mapping is in effect, stations lower in frequency are mapped
> lower in audio pitch, and higher-frequency signals are mapped higher in
> pitch. A station tuned to your nominal sidetone pitch would be in the
> middle.
> >
> > This creates an audio "stage," of sorts, where it's easy to pick out
> different "instruments." The overall effect is to reduce listening fatigue
> in contests or anytime a band is crowded.
> >
> > Headphones or dual external speakers are of course required to use PITCH
> and other binaural audio modes.
> >
> > To turn on pitch mapping, set MENU:AFX MD to PITCH.
> >
> > 73,
> > Wayne
> > N6KR
> >
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