Sorry to confuse....
The receive was showing the effect of the bad Tx signal that has artifacts.
I did another test on Tx to show you it's occurring there.
It's the Tx being clipped....JTDX does something like 95% or 90% of max value
and does not have the problem.
BTW...the windows playback level does affect it on the 7300...dropping below
0dB cleans it up.
On my system the playback level doesn't affect the behavior so perhaps the VAC
is contributing too. 0dB doesn't mean 0dB?
Mike W9MDB
On Sunday, February 14, 2021, 12:32:49 PM CST, Bill Somerville
<g4...@classdesign.com> wrote:
On 14/02/2021 18:22, Black Michael via wsjt-devel wrote:
I just confirmed this same problem on an IC-7300 via the USB audio. You
can see the hash noise on the waterfall.
Seems we need to reduce the maximum amplitude WSJT-X generates.
Adjusting the Windows playback level does not affect the behavior.
Mike W9MDB
Mike,
two messages ago you were confirming you had an issue with Rx audio, now you
are saying Tx levels need to change. Which is it?
73
Bill
G4WJS.
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