Sysopt posted a review on the Diamond XtremeSound 7.1 DDL sound card

Famed for such respectable audio solutions as the Monster Sound series, Diamond Multimedia is back in the sound card business. What it brings to the table is something most users haven't seen since the demise of the nForce2 chipset series: real-time Dolby Digital encoding, allowing multi-channel system sounds to be fed directly from the audio device to amplifier via a single digital cable, courtesy Dolby Digital Live.

Dolby Digital Live Goes Mainstream: Diamond XtremeSound 7.1 DDL Review