ISDCF Chairman Jerry Pierce
On Tuesday at the AMC Burbank 16 in Burbank, CA, the Inter-Society Digital Cinema Forum (ISDCF) held a luminance level demonstration of digital 3D content which had been mastered for different light levels. The ISDCF is not a standards body and thus the demo was not a test, but simply a way for industry professionals to see what 3D content would look like at brighter levels than the 4 foot-lamberts (ftL) to 4.5 ftL that is common luminance for most 3D movies today. One of the goals was to examine the emotional and technical impact of screening the content at different luminance levels.
Speaking of the content, material from the following films was shown:
- “Journey To The Center of the Earth 3D”
- “Miley Ray Cyrus/Hannah Montana: Best of Both Worlds”
- “The Polar Express”
- “Tokyo Mater”
- “U2:3D”
A brand new Christie XD projector was brought in and connected to Doremi DSVJ2 server. Since it already existed at the theatre, the RealD XLS system was employed as the 3D technology. As well, RealD’s dynamic EQ was used to “ghostbust” the content as it was piped between the server and the projector. The Christie projector was set to triple flash (show each frame three times per eye).
Unfortunately, the ISDCF did not receive raw footage so that they could be timed from scratch. Instead they received material that had already been mastered for 4.5 ftL. Any adjustments made to master the content for higher luminance levels were made on top of this. As well, all of the clips were either set at night or were indoors. There was no daylight footage. All of the clips were originally shot on digital rather than film.
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Ever wonder what digital 3D would look like at 14 foot-lamberts (ftL) rather than the dim 4 ftL at which it is usually projected? If so then you’ll want to sign up for a 3D demo being held by the 
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