AristarchosOfSamos

Hi, yes, connection to radio is via Ethernet and it does not show any dropped eth packages. Do not have tested the VB-Cable, only VAC, have it way too many...

It is shown that in the Windows build action, there is a stage where tests are conducted with the use of both VB-Cable and VAC. As described above, I use...

Been doing some testing on several cases. > Also, do you see this problem with, say, VB-Cable, or just VAC? Acquired also VB-Cable and did test the setup with all...

> Can you send a screenshot of your audio options in FreeDV when using VAC for TX? This is the FreeDV audio options screen, all required interfaces are handled at...

Forgot this one > The GH actions actually rely on VB-Cable's loopback behavior to be able to execute as FreeDV runs in full duplex mode. Not sure if that's possible...

This issue affects many SDR rigs that rely on PC control application, eg FlexRadio, ApacheLabs, SunSDR, HermesLite etc. All these rely on virtual cables in order to have digimodes.

Reproducing the issue with the loopback setup, just FreeDV in full dublex and VAC Every few seconds there is a drop in SNR and FIFO numbers rising  More often...

Here is the requested info from my side CPU 13th Gen Intel(R) Core(TM) i5-13500, 14 cores, 20 threads, 32GBRAM, WIN11 Pro A small video ~60sec showing the issue, setup is...

@Roturbo Thanks for the tip. though I'll wait for @tmiw proper solution. The one tweak you mention adds more layers as it acts as an intermediate in the current ports...

@tmiw Long time applications that use PA for many years now without any issues on virtual audio cables are the OpenHPSDR apps in TAPR, eg Thetis https://github.com/TAPR/OpenHPSDR-Thetis https://github.com/ramdor/Thetis (ApacheLabs fork)...