Hello Skyler,

Direwolf can be somewhat sensitive to some USB sound devices. Just because it uses a CM chip doesn't mean it will work. Are you running this on a Raspberry Pi behind a USB hub? If so, try connecting the sound device directly to the Rpi.

Beyond that, are you sure that Direwolf is getting the audio?

- Are you using Pulse vs. ALSA direct?
  - If pulse, have you routed the audio correctly via pavucontrol

- What is the output of Direwolf when running?
- what about the levels being reported. Are they tuned to be about a level of "50"?
  - Are you getting all the audio samples as expected?


All of this is well documented in the Direwolf UserGuide.

--David
KI6ZHD




On 07/12/2015 04:10 PM, Skyler F wrote:
I have soundmodem working fine where it will TX and RX packets. Direwolf
for some reason, however will only transmit packets and not receive when I
send an APRS packet in the sound in.

I am using a USB sound card (CM108 sound chip) and have my whole station
working fine on soundmodem, just having issues getting direwolf to receive
my packets.

Thanks for any help
Skyler KD0WHB


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