I am getting an “Error on Sound Input” message when I start WSJT-X and have not been able to resolve it. It occurs immediately when I start WSJT-X v2.2.1 but, through troubleshooting, I noticed it is also occurring on earlier versions. It is not related to RFI since this occurs immediately after a program start well prior to any transmissions.

I had just built a new Windows 10, 64-bit based machine with 64 GB memory and migrated my old hard drive to new M2 drives. My former machine had Windows version 1904 and after it was migrated to the new hardware, it was upgraded to Windows 2004 on the new hardware. All other programs appear to be working correctly except with the error message with loading WSJT-X.

I am using an ICOM IC-7610 radio with built-in sound interface and I have verified its radio menu settings with a friend’s radio. The new computer has the ICOM driver installed, Silicon Labs USB to UART Bridge Drivers, version 1.30.

These are the steps I have taken so far.

1.Re-installed ICOM USB drivers,

2.Rolled back WSJT-X to v2.0.0 with same results and then reinstalled v2.2.1,

3.Confirmed no other programs are using the Silicon Labs USB to UART Bridge drivers,

4.Confirmed microphone privacy settings are set to allow device,

5.Confirmed IC-7610 set to Default Communications Device, and

6.I did find that WJT-X can be set to another microphone input it will begin functioning; that leads me to believe it is a ICOM radio sound card problem.

Has anyone come across this issue with “Error in Sound Input” and found how to resolve it with the ICOM IC-7610? Any trouble shooting ideas will be helpful.

Don, N7BD

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