IMAX | Wikipedia audio article
This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/IMAX
00:02:04 1 History
00:03:35 1.1 Multiscreen Corporation
00:06:31 1.2 IMAX Corporation
00:09:08 1.3 Digital projection
00:11:25 2 Technical aspects
00:11:34 2.1 Camera
00:11:43 2.1.1 Film cameras
00:13:42 2.1.2 Phantom 65 IMAX 3D digital camera
00:14:48 2.1.3 ARRI Alexa IMAX digital camera
00:15:39 2.2 Film stock
00:16:52 2.3 Soundtrack - double-system
00:18:38 2.4 Projectors
00:21:45 2.4.1 Digital projection
00:23:44 2.4.2 Laser projection
00:27:01 2.5 Theatres
00:28:38 3 Variations
00:28:47 3.1 Dome and Omnimax
00:33:06 3.2 3D
00:35:00 3.3 HD
00:36:09 3.4 Digital
00:38:15 3.5 IMAXShift
00:38:36 3.6 Virtual reality
00:39:30 4 Films
00:39:39 4.1 Entertainment
00:41:32 4.2 Use in Hollywood productions
00:47:24 4.3 DMR (Digital Media Remastering)
00:50:32 4.4 Feature films
00:58:15 4.5 In space exploration
00:59:13 5 Awards
01:00:49 6 Other uses
01:01:51 7 Technical specifications
01:03:22 8 Gallery
01:03:31 9 Competitors
01:04:06 10 See also
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SUMMARY
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IMAX is a proprietary system of high-resolution cameras, film formats, film projectors, and theaters known for having very large screens with a tall aspect ratio (approximately 1.44:1 & 1.90:1) and steep stadium seating.
Graeme Ferguson, Roman Kroitor, Robert Kerr, and William C. Shaw were the co-founders of what would be named the IMAX Corporation (founded in September of 1967 as Multiscreen Corporation, Limited), and they developed the first IMAX cinema projection standards in the late 1960s and early 1970s in Canada. Unlike conventional film projectors, the film runs horizontally so that the image width can be greater than the width of the film stock.
When IMAX was introduced, it was a radical change in the movie-going experience. Viewers were treated to the scene of a gently-curved giant screen more than seven stories tall (75 feet (23 m), with the tallest measuring 117 feet (36 m)) and steep stadium seating that made for a visually immersive experience. This was enhanced by a sound system that was far superior to the audio at typical theaters in the years prior to the advent of THX. Some IMAX theaters have a hemispheric dome screen geometry, which can give the viewer an even more immersive feel. Over the decades since its introduction, IMAX evolved to include "3D" stereoscopic films, introduced in January 1998, and then began to proliferate with a transition away from analog film into the digital era. Beginning in May of 1991, a visceral dimension of the movie experience was added by having the audience's seats mounted on a full-motion platform as an amusement park ride in IMAX ride film theaters.
With the advent of digital projection, the IMAX brand has also been applied to lower-resolution imaging systems, causing some degree of confusion among the viewing public.