Re: [Xiph-Advocacy] Vorbis and Dirac for digital cinema?
"Conrad Parker" <[email protected]> Tue, 5 Aug 2008 15:35:45 +0900
| Newsgroups | gmane.comp.multimedia.ogg.advocacy |
|---|---|
| Message-ID | <[email protected]> |
2008/8/3 Dean Siren <[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/ Good idea, let's encourage use of VC-2, the Dirac-based SMPTE standard: http://sonofid.blogspot.com/2008/01/on-road-to-dirac-standard-at-last.html K.