It sounds like the audio mapping may not be completely correct then.
What kind of radio are you using for this?
Most of the newer radios have some type of usb or virtual audio cable that needs to be mapped to the FreeDV client audio settings.
This can get a little confusing if you have too many choices to pick from.
But the basic thing that’s important, is knowing which audio ports are for the Analog side and which ones are for the Digital side.
If your not able to work that out, please get in touch with me tomorrow, and we can get into a Zoom session and walk through it very easily.
All the best,
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Go to the PTT in tools and make certain that the box in PTT settings is not ticked in “left channel Vox Tone” as this will give a continues 1 Kc tone.
Regards Cess GW3OAJ
Sent from Mail for Windows
Good evening, I'm trying to get started with FreeDV and after installing the program and two sound cards, one onboard and the other USB, when pressing the Start button, a permanent 1000 Hz tone appears on the speaker. I have changed the functions of the two audio cards and the problem persists. I have installed 1.5.3 and 1.6.0 versions with the same problem. There are no audio driver problems or hardware conflicts.