Auditorium

1. A theater comprising:

a screen at a front end;

a display apparatus suitable for displaying a visual content on said screen;

two side walls;

a back wall arranged facing said screen; and

a plurality of platforms such that each of said platforms has a plurality of seats fastened thereon and said plurality of platforms is attached to the back wall, and that each of said platforms:

is a projecting platform, that for spectators present on the platform, is connected to the remainder of the theater only from behind the seats;

presents a width that is less than 70% of the width of the theater; and

enables spectators to walk on the platform so as to access seats that are provided on the platform; and

wherein one of said platforms is placed substantially in front of a center point of the screen.

2. A theater according to claim 1 , wherein at least one of said platforms is a suspended platform, beneath which there is an open space, having the same area as the platform, through which there passes no stand or support for the platform.

3. A theater according to claim 2 , wherein at least one suspended platform is supported solely by the back wall and/or through the back wall.

4. A theater according to claim 1 , including access paths to said platforms, the access paths defining a plurality of storeys; and

among said platforms, at least a first platform and a second platform are arranged horizontally at substantially the same level, with a difference in height between the first and second platforms being less than 70% of the height of a storey.

5. A theater according to claim 1 , wherein said at least one platform is arranged at a distance from the back wall.

6. A theater according to claim 1 , wherein the rear portion of at least one of said platforms has a width less than a maximum width of the platform.

7. A theater according to claim 1 , arranged in such a manner that access to at least one of said platforms can be obtained only via one or more passageways arranged through the back wall.

8. A theater according to claim 1 , wherein, for at least one of said platforms, at least one access gangway provides access to the platform.

9. A theater according to claim 1 , wherein, for at least one of said platforms, at least one access gangway is accessed to the platform from the back wall.

10. A theater according to claim 8 , wherein at least one platform is supported solely by said at least one gangway.

11. A theater according to claim 8 , wherein, for at least one of said platforms, said at least one gangway extends over an accumulated width that is less than half a maximum width of the platform.

12. A theater according to claim 1 , wherein at least one of the platforms is essentially supported by one or more arms connecting the back wall to the platform.

13. A theater according to claim 1 , wherein at least one of the platforms is supported by at least one beam passing through the back wall and bearing thereon, said beam supporting a counterweight disposed on a side of the back wall that faces away from the screen.

14. A theater according to claim 1 , wherein the platforms that are higher up are situated further away from the screen.

15. A theater according to claim 1 , wherein the back wall presents a front surface that slopes backwards.

16. A theater according to claim 1 , wherein, in face view, at least one platform is arranged in a staggered configuration relative to four other platforms that are the closest thereto.

17. A theater according to claim 1 , further comprising a ceiling, and wherein the back wall does not extend up to the ceiling.

18. A theater according to claim 1 , wherein at least at a first height, there are at least two platforms in a given horizontal section plane.

19. A theater according to claim 1 , wherein at least at a first height, and also at least at a second height that is offset from the first height by at least the height of one storey, there are at least two platforms in a given horizontal section plane.

20. A theater comprising:

a screen at a front end;

a display apparatus suitable for displaying a visual content on said screen;

two side walls;

a back wall arranged facing said screen; and

a plurality of platforms such that each of said platforms has a plurality of seats fastened thereon, and that each of said platforms:

is a projecting platform, which projects from the back wall and, for spectators present on the platform, is connected to the remainder of the theater only from behind the seats;

presents a width that is less than 70% of the width of the theater; and

enables spectators to walk on the platform so as to access seats that are provided on the platform;

and wherein a first platform among said at least one platform is arranged at a distance from the back wall.

21. A theater according to claim 20 , wherein the rear portion of the first platform has a width less than a maximum width of the platform.

22. A theater according to claim 20 , wherein the first platform is configured in such a manner that the first platform can be accessed only by going behind the back wall or along it.

23. A theater comprising:

a screen at a front end;

a display apparatus suitable for displaying a visual content on said screen;

two side walls;

a back wall arranged facing said screen; and

a plurality of platforms such that each of said platforms has a plurality of seats fastened thereon, and that each of said platforms:

is a projecting platform, that for spectators present on the platform, is connected to the remainder of the theater only from behind the seats;

presents a width that is less than 70% of the width of the theater; and

enables spectators to walk on the platform so as to access seats that are provided on the platform;

and wherein

the platforms are supported solely by the back wall and/or through the back wall, and

the platforms that are higher up are situated further away from the screen.

24. A theater comprising:

a screen at a front end;

a display apparatus suitable for displaying a visual content on said screen;

two side walls;

a back wall arranged facing said screen; and

a plurality of platforms such that each of said platforms has a plurality of seats fastened thereon, and that each of said platforms:

is a projecting platform that for spectators present on the platform, is connected to the remainder of the theater only from behind the seats;

presents a width that is less than 70% of the width of the theater; and

enables spectators to walk on the platform so as to access seats that are provided on the platform;

wherein a first one of the platforms does not bear against side walls of the theater.

25. A theater comprising:

a screen at a front end;

a display apparatus suitable for displaying a visual content on said screen;

two side walls;

a back wall facing said screen; and

a plurality of platforms such that each of said platforms has a plurality of seats fastened thereon, and that each of said platforms:

is a projecting platform that for spectators present on the platform is connected to the remainder of the theater only from behind the seats;

presents a width that is less than 70% of the width of the theater; and

enables spectators to walk on the platform so as to access seats that are provided on the platform;

wherein at least one of the platforms is supported by at least one beam passing through the back wall and bearing thereon, said beam supporting a counterweight disposed on a side of the back wall that faces away from the screen.

26. A theater according to claim 24 , wherein the platforms that are higher up are situated further away from the screen.