I am having a strange issue with WASAPI. After starting my computer and then starting jriver, the first time I play a song I get a hissing sound. No music - only hissing! After closing JRiver and starting it again, that same song plays fine. I am not sure what is causing this. The only sound device on my computer is the Realtek HDMI Output. This device is configured for 5.1 sound. I am using Windows 7 Ultimate - 64bit.
Any suggestions?
David