- Mar 19, 2013I'm using HDSDR software and a Soundblaster X-Fi Surround 5.1 Pro as the sound card with my my Ensemble TX/RX. I'm trying to use VAC
as the interface between HDSDR and Fldigi for digital comms, but have only got it to work a couple times out of about a hundred
tries. I have finally been able to determine that whenever I have VAC connected to HDSDR output, the input from the sound card is
distorted. When I disconnect VAC from HDSDR and use a hard-wire solution with the onboard sound card for an interface with Fldigi,
I have no problems copying the various digital modes. I was able to verify the distortion with VAC connected to HDSDR using the
record feature. Recorded signals with VAC connected to HDSDR and vice versa.
I'm using a Dell E6420 laptop with Windows 7. Any thoughts on what might be the problem. I've played with all the VAC setting, but no joy. I'm thinking for whatever reason, VAC is interferring with the transfer of data from the sound card. I'm not a computer guru, so it could easily be some setting that is not correct.
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