Cinegrid Extreme Audio Networking With 4k At Ilm

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sbove

Member
[FONT=Arial, Helvetica]This happened live at ILM in SF today...

...the first large-scale AES event to be held at LucasFilm’s new Letterman Digital Arts Center, will demonstrate the transmission of Super High Definition 4K digital cinema, synched over great distances to uncompressed, multichannel high definition audio. The 4K digital cinema signals will originate from Tokyo and Los Angeles and will be synched with audio streaming from servers at the University of California, San Diego, then viewed and mixed live at the Letterman Digital Arts Center Premier Theater in the San Francisco Presidio. Transmission will be carried over CineGrid, a virtual network for extreme media collaboration running on advanced research networks such as California’s CENIC optical fiber at 1 Gbps and 10 Gbps speeds. The two-hour event will demonstrate the potential for networked delivery of future super high definition entertainment formats to audiences and/or to post-production professionals collaborating over great distances.

http://www.aes.org/events/121/specialevents/session.cfm?ID=881


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Not sure exactly why they would want to run two separate signals (audio and video) but I guess it's still neat to transmit 4k imagery over such a distance. The big question is scaling. It's fine to be able to pump 4k to one cinema at high speed, minus audio, but how about transmitting to lots of theaters at once? Is that their plan? Personally I see digital distribution still using media of some sort to guarantee playback speed and full quality, plus a digital format would still be far cheaper than reels of expensive and delicate film.

Thanks for the link!
 
visceralpsyche said:
Not sure exactly why they would want to run two separate signals (audio and video) but I guess it's still neat to transmit 4k imagery over such a distance. The big question is scaling. It's fine to be able to pump 4k to one cinema at high speed, minus audio, but how about transmitting to lots of theaters at once? Is that their plan? Personally I see digital distribution still using media of some sort to guarantee playback speed and full quality, plus a digital format would still be far cheaper than reels of expensive and delicate film.

Thanks for the link!
Click to expand...

It's about both uncompressed multi-track audio and picture. Your sound designer, picture editor and audio mixer won't always all be in the same building.

WHen you are sending to theaters, you're sending compressed 4k, to a server at the theater.

The idea is to cut printing and shipping costs. It doesn't make sense to have a physical media that has to still be duplicated and shipped.

Beaming the content to a secure encrypted server that is then sent to however many projectors in the theater is what they want.

The DCI spec sets the standard for what digital distribution should be.
 
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