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Thursday, April 29, 2010

Why IMAX ?

Watching a new Blockbuster movie in Theater is fine, But Why IMAX? Hope all could recognize, what i mean. Yes, i mean IMAX configured theaters. I was questioned by my friend and when i tend to explain him, i found more interesting facts about IMAX theaters and I am here to share this with my friends. The picture below in the IMAX configured BFI London called
"BFI London IMAX".

Cool place rite! Watching movie is also a pretty cool thing. IMAX is a motion picture film format and a projection standard created by IMAX Corporation. They involve in designing, leasing, marketing, maintenance and operation of IMAX Film and digital theater systems as well as development, production and distribution on IMAX Motion Picture (From Wikipedia).

Even the most expected Cameron's "Avatar" is released in IMAX 3D format. IMAX is comprises of all Audio-Visual systems including Film used in the projection. The traditional Film projection follows only 35mm film but IMAX film format follows 70mm with Xenon Short-Arc lamp (The most reliable light source for a High resolution picture). The IMAX film is specially designed by Kodak with the brand name of PET which comprises of strong "ESTAR" base to produce larger resolution of the picture embedded on it.

So the fact is that, the 70mm IMAX Film format is used to produce a High resolution picture over a large screen, one such screen, the Worlds largest IMAX screen, is LG IMAX Theater at Sydney, New South Wales. Dimensioning 117.2 feet across 96.5 feet. Wow! thats really huge.

Also there were three different roles of IMAX that still exists and being built now.

  • IMAX 3D

IMAX Dome/OMNIMAX is the different theater experience i ever had. Watching movie Hemispheric Dome Screen, I hope you can understand from the above picture. IMAX 3D is for rendering 3D images of the picture and IMAX HD has 48Frames Per Second of film roll.

All above explains Visual experience, Coming to the Audio part, IMAX film does not include Embedded Sound-Track. It uses separate 6-Channel 35mm magnetic film synced to film. This technology is described to bring the Sound Tracks as recorded in Studios. Correspondingly distributing speakers all over the Theater and Behind the screen to make the picture alive. Unlike Dolby Digital decoding method of sound production, the Six channel audio is directly fed to Audio amplifier and to the rendering speakers to make real audio as recorded in studio.

IMAX with the above Audio-Visual technologies makes a real world behind the screen which worth paying for it.


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