Audio dropout like this is usually caused by the USB audio device disconnecting.And that is usually case by RFI. Chokes on USB cables (and all other cables) usually solves the problem.Ensure your ethernet cables are shielded too. Newer CAT 7 or CAT 8 cables are already shielded. And ground your ethernet hub too (most don't have a built-in ground)I even put chokes on all my power lines going into the breaker box to reduce what's riding on the power. And, if you have an outside round rod (like many I have helped) that is not tied to the house ground either stop using it (and use the house ground) or tie the outside rod to the house ground properly. That has also solved many RFI problems. de Mike W9MDB
On Monday, December 2, 2019, 05:26:25 AM CST, Claude Frantz <claude.fra...@bayern-mail.de> wrote: On 12/1/19 10:46 PM, Frederic Beaulieu wrote: Hi Frederic, > I start to notice on my IC-7300's audio scope that occasionnaly, no > audio was sent to the radio. The problem seems to get worse (more > frequent) and now I'm seeing a kind of noise at the beginning of many > of my transmission. Anyone knows how I could verify if it is a > problem with my radio, the sound card (which is embedded in the radio > I think) or the WSJT-X software? This problem of occasional no audio output has been reported here by various users, included myself. I have encountered it while running with Windows XP and using Linux, on different hardware. I cannot remember that an valuable diagnostic has been reported about the reasons of these sporadic recurrences. Best wishes, Claude (DJ0OT) _______________________________________________ wsjt-devel mailing list wsjt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wsjt-devel
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