Sar67,
if you have a DAC or a CD player with USB in, then you can take the signal direct from your PC. If there is no USB input on the DAC/CD player, but S/PDIF then you can use a HagUsb (http://www.hagtech.com/hagusb.html).
if you have a DAC or a CD player with USB in, then you can take the signal direct from your PC. If there is no USB input on the DAC/CD player, but S/PDIF then you can use a HagUsb (http://www.hagtech.com/hagusb.html).