Tone

[J R]

Thank you for all the hard work.  

I haven't made a QSO yet, but I have heard some conversations.  It maybe my set-up, or just the mysterious nature of HF, as I have made

a QSO in South Africa, but not to one part of Arizona where a friend lives, or course.

I have installed 2.3, and when I transmit, it is tone.  I have used a websdr to check this.  Tone is around ~800hz.

Any ideas? 

Thank you.

Jason Reilley

W0LUV

73

[Walter Holmes]

Jason,

 

If your listening from a WebSDR receiver, you are correct, in that you will only heard a loud tone or buzzing type noise.

Unless the WebSDR receiver has added the FreeDV option, which several are doing these days.

 

Watch this webpage as your transmitting, to see if your being received by others. qso.freedv.org  

 

Hope to work you soon.

 

Walter/K5WH

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[Jason]

Walter,

Thank you for the clarification.  It just doesn't sound digital, not that I am an expert, but it sounds solid, as opposed to other digital modes.

W0LUV

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Jason

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[Walter Holmes]

20m looks like a flat line today, so conditions have been really terrible for making contacts on Freedv.

 

But the fact that your decoding stations sure sounds like your all set to go.

 

We just need a little help from mother nature on the propagation. 😊

 

 

Walter/K5WH

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[Rick, W4XA]

Jason, 

It's a common problem with Win11.   It's playing back through your speaker via an audio routing path in Windows.

I am having the same problem.   I just haven't found the Windows audio routing solution yet

[Jason]

Rick,

Thanks for the comeback.  Audio patches/assignments look correct.  Someone here mentioned that the output should sound tone-esque.  I used a websdr to monitor my output.  So I am not sure if it is my antenna(measures very well), my audio assignments, or what, that has caused me not to make a QSO.  I am starting to suspect it is the radio, a G90, although it is new.  But I have had a terrible time making a voice QSO.  Plenty of FT8, JS8, VarAC, but no analog voice or FreeDV.  I am using a DE19, which I think is a little noisey, as opposed to a digirig, but has simplified cable routing.

Jason

W0LUV

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[jdow]

If you have on-board Realtek audio it seems to bypass Windows controls (on 10 at least) with some of its own shenanigans. It generated an internal "leak" between its microphone and the speakers. I remember an epic fight to figure out what was going on. It had to be disabled in both the Realtek audio controls and Microsoft's.

{^_^}

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[Mooneer Salem]

Hi Jason,

If you're able to record the transmitted audio from a WebSDR, you should be able to play back the WAV file that gets downloaded in FreeDV by going to Tools->Play Audio File - From Radio. If you don't hear yourself talking when you do this, then we can be sure that something's not quite right and we can troubleshoot further.

Thanks,

-Mooneer K6AQ

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[Jason]

Fantastic idea.  Thank you.

Jason 

W0LUV

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[Jason]

No luck on playback.  If you or someone can play this back and see if working on that end..., that would be awesome.

Jason  

W0LUV

On Wed, May 13, 2026 at 4:33 PM Mooneer Salem <moo...@gmail.com> wrote:

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[Jason]

So I am successfully decoding.  Recorded some traffic and played back the FreeDV, sounds great!

Jason

W0LUV

On Wed, May 13, 2026 at 4:33 PM Mooneer Salem <moo...@gmail.com> wrote:

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[Dudley Hurry]

Jason,

Your recording sounded like you were in analog and the tone was a carrier 1 kHz up frequency,  and it varied in amplitude, as in QSB on the band.   If you are in actual digital,  you would not hear the tone .

73,

Dudley

WA5QPZ

Sent from my iPhone

On May 13, 2026, at 8:28 PM, Jason <jpre...@gmail.com> wrote:



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[Jason]

Dudley,

Thanks for the input!  I am in U-D, upper digital on the Xiegu G90, of course depending on band.  The tone, I had guessed 800hz earlier.  Where this tone is coming from, is beyond me.  On the waterfall of the websdr, my transmission looks incredibly narrow.  I am stumped.

Thanks for the comeback.

Jason

W0LUV

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[Jason]

Dudley,

When I have FreeDV running and I select analog through the computer mic, I am able to transmit full band, either LSB or USB.  

Decoding works, just not encoding.  

W0LUV

On Wed, May 13, 2026 at 7:09 PM Dudley Hurry <jhu...@austin.rr.com> wrote:

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[Mooneer Salem]

Hi Jason,

Are there any audio routing settings on the G90 for U-D mode? I know on most recent Icoms, for example, you can tell the radio to use audio from either the USB connection or the radio's microphone when in DIGU.

Thanks,

-Mooneer K6AQ

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[Jason]

From what I understand the newest firmware will only pass audio on the ACC port if UDIG or LDIG is selected.

Not sure if you saw earlier in this thread that when I transmit it is incredibly thin.

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[Mooneer Salem]

Hi Jason,

Something else you can try too is to download/install Audacity, set it to use the G90's sound device and and play an audio file through it (while the radio is transmitting) to see if anything goes out over the air. That should help rule out issues on the radio side.

Thanks,

-Mooneer K6AQ

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[Jason]

Mooneer,

Will attempt.  Thank you.

Just to reiterate that when using FreeDV, if I switch to analog, talk through computer microphone, I do transmit full banded audio, 2700kHz.  When I select digital, on FreeDV, radio goes to digital mode, 3000kHz, but what is transmitted looks about 100kHz wide.  If I use other digital modes, VarAC, FT8, Winlink, ..., radio transmits up to 3000kHz.  Winlink is 2300kHz, ....

Is there anything in the debugging terminal I should/can be looking for.  I am far from a coder, but it all looks correct.

I am decoding successfully.

Thank you.

Jason 

W0LUV

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[Doug Lung]

This is just a wild guess, but from the description of a narrower signal - FreeDV is about 1,500 Hz and a decimation of 16 would drop that to under 100 Hz, could it be that the sample rate somewhere is set too high or decimation is happening in the radio or other software in the path? If you capture and playback the audio from FreeDV going to the radio, you should be able to see the sample rate coming out of the software. 

I'll be watching to see what you find, 

73,

       Doug AH6DL

[Doug Lung]

The other possibility, more likely,is the sampling rate is set to 3 KHz somewhere in the audio chain, causing the decimation by 16. 

[Mooneer Salem]

To add to this--if you turn on the debugging console by going to Tools ->Options->Debugging, you should see what FreeDV thinks the sample rate is for each audio device that it's using. Copying that output and pasting here would be good too in case there's anything obvious. 

-Mooneer K6AQ 

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