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Digital Cinema
By Dawn Gordon Luks
In the old days, a trip to the local movie theater was an opportunity to see your favorite films in all their Technicolor glory. There was just no way that the venerable Big Screen TV sitting in your living room could compete with a professional projector and surround sound system.
Well, thanks to technology, those days have been over for several years. The best crop of residential DLP, or D-ILA projectors coupled with high-end screens and sound processors, not only competed with, but more often than not out-shined, their film-based counterparts. Of course, these high-end systems were not within the grasp of ordinary folk, and could cost in excess of $20,000. This year there are even more affordable ensemble systems available for less than $8,000 that produce images and sound almost as good as their high-end cousins.
Even the less expensive combination of Blu-ray players and flat-panel TVs have impacted the movie industry. Seeing this trend and looking for effective solutions to draw movie-goers back to the local Cineplex, theater owners are turning toward digital cinema.
Early digital cinema projectors produced in the late 1990s were DLP models with 1280 x 1024 pixel resolution. This level of acuity, while exceptional at the time, is less than the full HD specification of today's 1080p TVs' 1920 x 1080 resolution. More recent digital projectors from the likes of Christie Digital Systems, Barco, and NEC have licensed the 2K (2048 x 1080) DLP Cinema technology developed by Texas Instruments.
Even though these 2K projectors are just slightly sharper than today's 1080p TVs, they are light-years better than film projection. There are several reasons for this: The latest digital projectors deliver a picture with impressive clarity, brilliance, and color; fantastic black level; and a lack of scratches and fading. Every time a film is run through a projector it gets scratched and eventually fades. The digital process, on the other hand, is perfect for every showing, from the first time it's played to the 1,000th time. There is simply no degradation of the image or sound.
I've seen several digital presentations, both at trade shows and at my local theater, and even though our local movie-house charges a couple of dollars more for the DLP showing, I pay it every time because the experience is so much better.
At $150,000 each, digital projectors are three or four times more expensive than their film-based counterparts, however, they have the potential to save the movie industry a billion dollars or more in film distribution per year. Each standard film print costs about $1,200. If you multiply this times 4,000 screens (for a wide release movie) it costs almost $5 million. The same digital print could easily fit into the confines of a 300 GB portable hard drive that's priced less than $75. When the theater is finished with the movie run, the hard drive is simply returned to the film studio to be re-filled.
The future of digital cinema is going to be all about higher resolution and better delivery systems. Both Sony and JVC have 4K projectors that effectively quadruple the number of pixels. Recently, Sony signed a deal with Regal Entertainment to provide the company with state-of-the-art 4K digital projectors using Sony's SXRD digital engine. Sony's installations at Regal sites -- planned for about 550 Regal Cinema locations -- are set for completion within three to five years and calls for Sony to outfit a minimum of 5,000 of the exhibitor's 6,700 screens.
Once digital projectors reach a critical mass, studios will turn to satellite delivery systems so that films could simply be downloaded directly to a projector's attached hard drive. That day is not far off.
Dawn Gordon Luks is a veteran consumer electronics journalist. In addition to her writing schedule, Dawn also designs home audio, home theater, and home automation installations in South Florida. Send an email to Dawn Gordon Luks.
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