Benchmark High Res Playback

I have a non-USB Benchmark DAC1 that I would like to use to begin playback of High Res downloaded files from online services like HDtracks. Is there a way to accomplish this by burning a CD or DVD and using the Benchmark DAC via an external transport?
Will the Benchmark handle the higher resolution files or modify them for playback? I am confused about the capability of this unit and the way it deals with such files? Thanks for anyones input.
If your PC can generate a 24/96 PCM digital signal then you can feed this Hi-Res to the DAC1. This is DVD-A format, however, most discs are copy protected and players will suppress the digital signal. The issue is to determine if your PC has a digital out...