▁treated ▁walls , ▁non - parallel ▁walls ▁( to ▁reduce ▁standing ▁waves ), ▁a ▁per for ated ▁screen ▁( to ▁allow ▁center ▁channel ▁continu ity ), ▁and ▁NC 3 0 ▁rating ▁for ▁background ▁noise ▁(" ens ures ▁noise ▁from ▁air ▁condition ing ▁units ▁and ▁projection ▁equipment ▁does ▁not ▁mask ▁the ▁subt le ▁effects ▁in ▁a ▁movie ' s ▁sound track "). ▁ ▁In ▁ 2 0 0 2 , ▁TH X ▁was ▁owned ▁by ▁sound ▁card ▁manufact urer ▁Creative ▁Technology ▁Limited , ▁which ▁held ▁a ▁ 6 0 % ▁share ▁of ▁the ▁company . ▁The ▁company ▁has ▁had ▁a ▁long ▁history ▁with ▁Creative , ▁which ▁was ▁responsible ▁for ▁the ▁creation ▁of ▁the ▁first ▁TH X - cert ified ▁audio ▁card ▁for ▁computers , ▁the ▁Sound ▁Bl aster ▁Aud ig y ▁ 2 . ▁ ▁In ▁ 2 0 1 6 , ▁TH X ▁was ▁acquired ▁by ▁vide og ame ▁hardware ▁company ▁Raz er ▁Inc ., ▁with ▁Raz er ▁ow ning ▁all ▁of ▁TH X ▁and ▁its ▁intellectual ▁property . ▁ ▁App lications ▁ ▁The ▁first ▁the ater ▁TH X ▁was ▁used ▁in ▁was ▁the ▁University ▁of ▁Southern ▁California ' s ▁E ile en ▁L . ▁Nor ris ▁Cinema ▁Theatre , ▁a ▁part ▁of ▁US C ' s ▁film ▁school . ▁ ▁Cert ifications ▁ ▁TH X ▁has ▁created ▁a ▁cert ification ▁process ▁for ▁additional ▁products ▁including ▁home ▁audio , ▁home ▁the ater , ▁video , ▁and ▁autom ot ive ▁sound ▁components ▁and ▁products . ▁TH X ▁cert ification ▁extends ▁to ▁home ▁audio ▁rece