If this scenario is applicable, downloading to a generic Windows driver should resolve the issue.

Windows audio driver is causing the issue – As a lot of users have reported, the default Realtek driver will get updated over time, which will end up causing this particular issue on some machines.In this case, changing the default behavior to ‘Do nothing’ will resolve the issue. Although it’s designed to automatically adjust the volume when the PC is used for communication purposes, it can sometimes pick up false-positive which will end up reducing the volume when it’s not the case. Issue is being caused by Windows Communications feature – There’s one Windows feature that ends up creating this particular issue for a lot of users.Several users in similar situations have reported that the issue was fixed after they disabled any additional sound effects. Realtek’s Immediate Mode and a few other sound effects can cause automatic volume adjustment to some degree.