[Xiph-Advocacy] Vorbis and Dirac for digital cinema?
Dean Siren <[email protected]> Sun, 03 Aug 2008 04:31:41 -0400
| Newsgroups | gmane.comp.multimedia.ogg.advocacy |
|---|---|
| Message-ID | <[email protected]> |
Hi, I'm Dean, an aspiring movie theater entrepreneur. One big opportunity I see in digital cinema is for better codecs. Currently, the Hollywood/Digital Cinema Initiative system use JPEG2000 for video and uncompressed WAV for audio. These are hardly the most efficient ways to transmit video and audio, but Hollywood seems content with them for now because they're still much less expensive than sending cans of film in the mail, plus Hollywood doesn't want to pay royalties for codecs. But movie theaters may soon be showing a much larger volume of content than they are now: Theoretically, everything that's popular on TV can be shown in movie theaters with digital projectors, and new shows and movies could be shown as little as once a week, not 35 times a week as they do now, so theaters could show many times as much content per week as they do now without building more screens. Movie theaters need to watch costs nowadays, so more efficient compression would be preferable to more bandwidth. So, could Ogg come to the rescue? Vorbis and Dirac seem like big improvements over WAV and JPEG2000 for the purpose of movies. Maybe you guys could pitch these Ogg codecs to the DCI people. Here's the link to the Digital Cinema Initiative, the standards body for digital distribution and projection in movie theaters. http://www.dcimovies.com/