THIS HD DVD SURROUND MUSIC DISC DELIVERS AN AMAZING ACOUSTIC REALITY EXPERIENCE THROUGH ANY HD DVD PLAYER WITH AN HDMI OR OPTICAL (core only 5.1 and 6.1) OUTPUT CONNECTED OR ASSEMBLED WITH DTS-HD MA OR DTS (core only 5.1 and 6.1) CAPABLE RECIEVER THE FULL RANGE 7.1 (6.1;5.1) SURROUND SPEAKER SET-UP IS HIGHLY RECOMMENDED FOR FULL PERCEPTION OF ACOUSTIC REALITY AND LOW FREQUENCY CHANNEL (LFE) THAT IS VERY CRITICAL FOR THIS RECORD. PLEASE NOTE THAT THIS RECORD WAS ORIGINALLY PRODUCED FOR 5.1 AND PRESENTED FOR 7.1 SURROUND SOUND REPRODUCTION TO PROVIDE YOU WITH UNIQUE ACOUSTIC REALITY EXPERIENCE.