. 0 . ▁According ▁to ▁Jim ▁Bel cher , ▁Vice ▁President ▁for ▁Advanced ▁Technology ▁and ▁Production ▁of ▁Universal ▁Music ▁Group , ▁the ▁advanced ▁techn ologies ▁associated ▁with ▁Dol by ▁D TS - HD ▁would ▁allow ▁the ▁audience ▁the ▁best ▁experience ▁while ▁view ing ▁the ▁DVD . ▁ ▁Brian ▁Ri ord an , ▁one ▁of ▁the ▁engine ers ▁who ▁worked ▁on ▁master ing ▁the ▁audio ▁for ▁the ▁DVD ▁described ▁in ▁a ▁video ▁interview ▁with ▁Rol ling ▁Stone ▁how ▁the ▁mix ▁was ▁achieved . ▁He ▁re called ▁getting ▁a ▁call ▁from ▁one ▁of ▁the ▁show ' s ▁produ cers ▁who ▁were ▁looking ▁for ▁special ized ▁sound ▁arrang ements ▁to ▁ac quire ▁an ▁authentic ▁live ▁concert ▁feeling ▁for ▁the ▁release . ▁Ri ord an ▁remembered ▁that ▁the ▁main ▁difficulty ▁was ▁trying ▁to ▁preserve ▁the ▁" c raz iness " ▁of ▁the ▁audience ▁and ▁G aga ' s ▁fans , ▁and ▁their ▁sc ream ing ▁during ▁the ▁concert , ▁never theless ▁make ▁the ▁music ▁of ▁the ▁show ▁primary . ▁His ▁team ▁used ▁L oss y ▁which ▁did ▁not ▁use ▁compression , ▁instead ▁one - to - one ▁audio ▁mixing ▁giving ▁the ▁whole ▁sound ▁system ▁" m uch ▁more ▁of ▁an ▁impact ful ▁experience ". ▁Ri ord an ▁decided ▁to ▁engineer ▁the ▁concert ▁sound ▁as ▁" center - chan ne led " ▁since ▁G aga ▁did ▁not ▁use ▁backing ▁audio , ▁resulting ▁in ▁the ▁listener ▁getting ▁the ▁whole ▁impact ▁of ▁her ▁vocals , ▁when ▁listened ▁with ▁a ▁head phone . ▁Other ▁difficulty ▁faced ▁by ▁team ▁included ▁converting ▁the