audio noise

[Daniel Curry]

 I need in for if I can shut off the audio that is coming from my radio
or computer when I am transmitting FREEDV. I am hearing a wobbling
sound. I have turn the radio speaker control to off and that did not
help.  The sound is loud that it can be heard when I am transmitting via
my computer mic.

K6DLC

--
Daniel Curry A.A., B.A
U.S. Air Force Veteran
IPV6 Sage Certified
PGP: AD5A 96DC 7556 A020 B8E7 0E4D 5D5E 9BA5 C83E 8C92

[Mooneer Salem]

Hi Daniel,

If you mute your speakers on your computer before transmitting, do you still hear this sound? If so, it might be RF getting into your speakers and the usual RF mitigation strategies (adding ferite beads, etc.) will help.

Thanks,

-Mooneer K6AQ

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[Dudley Hurry]

Daniel,

To add what Mooneer said , you Might want to check that you have the monitor turned off, do a right click on the PTT button, make sure it’s off.   But if you have noise coming from the speakers when off , several chokes on the speaker leads should help, if you have other strange things in the shack , look for a “common mode choke “ for your feed line before getting to your shack.   Backed up RF is a killer for things in the shack.

73,

Dudley

WA5QPZ

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On Nov 30, 2025, at 5:29 PM, Mooneer Salem <moo...@gmail.com> wrote:



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