10.1 What is THX (tm) certification, and what standards are necessary for a theater which wishes to obtain it?
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This article is from the rec.arts.movies.tech FAQ, by Scott E. Norwood snorwood@nyx.nyx.net with numerous contributions by others.
10.1 What is THX (tm) certification, and what standards are necessary for a theater which wishes to obtain it?
THX (tm) is neither more nor less than a set of standards developed by
George Lucas and his cohorts, designed to ensure that the sound and
picture which were heard and seen in the mixing studio/screening room
are similarly reproduced in the theatrical setting. The theory behind
this is that a movie will look and sound best when the audience hears
and sees exactly what the director and sound mixers saw.
Most of the standards relate to the proper positioning of the loud-
speakers, screen brightness, presence or absence of sound-absorbing
material (e.g. seat coverings) in the auditorium, and such. The
standards are different for auditoria of differing sizes. A theater
which wishes to advertise its THX (tm) certification must not only
meet these standards, but also pay a yearly fee to Lucasfilm. THX (tm)
theaters receive promo- tional materials and trailers to promote their
establishment.
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