[Elecraft] More on NoiseNuller Latency

Gwen Patton ardrhi at gmail.com
Wed Jul 29 13:03:39 EDT 2026


Can it just turn off when sending CW? When you go back to listening, turn
it back on? It doesn't need to be on while you're manually sending CW, you
can't hear the noise anyway because you're transmitting.


-=-=-=-=-=-=-=-=-
73,
Gwen, NG3P


On Wed, Jul 29, 2026 at 2:19 AM David Gilbert via Elecraft <
elecraft at mailman.qth.net> wrote:

>
> A ham that has been experimenting with my NoiseNuller application
> pointed out to me where the current latency is indeed a problem, and
> that is when listening to the sidetone while sending CW with a key or
> paddle.  The sidetone audio coming out of the computer is delayed enough
> to throw off your keying at anything other than pretty slow speeds if
> you depend upon that for feedback.  It wouldn't be a problem for keying
> from a keyboard, but it is when manually keying.
>
> I'm working to improve that.
>
> In my opinion, though, it's just another reason why this kind of
> processing really belongs inside the rig itself.
>
> 73,
> Dave   AB7E
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