Patent ID: 7911580

Claim:
A method of converting a multiplex theatre hall into an immersive motion picture theatre hall, comprising: a. providing a multiplex theatre hall having a rear wall and comprising: i. a first projection screen positioned a distance D 1 from the rear wall; ii. a set of loudspeakers; and iii. at least first and second patron seat locations; b. providing a projection screen positioned a distance D 2 from the rear wall, where D 2 is greater than D 1 , by either (i) moving the first projection screen or (ii) erecting a second projection screen; c. providing a sound absorbing acoustic barrier positioned a distance D 3 from the rear wall, where D 3 is less than D 2 ; d. positioning at least some of the set of loudspeakers a distance D 4 from the rear wall, where D 4 is greater than D 3 and less than D 2 , such loudspeakers receiving signals via separate audio channels; and e. aiming the set of loudspeakers so that patrons sitting at the first and second seat locations perceive sound from all audio channels as having essentially the same volume level and tonal quality, thereby creating an immersive motion picture theatre hall.