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Low TX audio when using FLDigi on MacOS
I've gotten FLDigi to mostly work on macOS using Loopback to connect the audio interface, but when I go to transmit, the audio level received by SmartSDR is low and I get just a few watts of TX output, even if I bump up RF Power to 100.
Is there something I'm missing in the chain where I can increase the audio output from FLDigi by chance, or is this just the way things are?
Answers
-
can adjust gain in loopback
see my loop-back to send data stream to fldigi
you will see i have multiple fldigi versions in loopback...i did that cause if there is an issue with the current fldigi i an easily fall back a version
also loopback is one place to increase gain for transmit
hope this helps
Paul K3SF
0 -
If after adjusting all your loopback gains to 100%, and you still don't have sufficient audio (a situation which I ran into in my shack), download the program the xDAX helper program from
https://dl3lsm.blogspot.com
It has yet another volume control for the transmit channel that can boost the audio past what Loopback will do.
Carl WG1V0 -
Kind of an old thread, but you don't need any extra boost on the audio signal. Fldigi has a transmit attenuator setting just to the left of the AFC in the bottom toolbar. It is adjustable for each mode of operation and it's likely set to -12dB or something.
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