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Attack of the Clone: About 2 gigs of source files, 6 gigs of rendered sequences. Six gigabytes compressed down to 20 mb. Not too shabby if I do say so myself. Man, I need to put them on CDs.
The sound codec applies to your format. If you’re using Quicktime, IMA is usually preferred. If DivX, most likely MP4 as Brian stated. RealOne comes with its own, and is quite good.
Well, it was shot with a VHS-C camcorder, but I used Videowave to capture, and it only captures stills at 320×240. But since the entire thing was bluescreened, there was a lot of 3d stuff made. In the end, the “rendered sequences” were six finished stages rendered with the Quicktime Animation codec*, and then put into one project. I watched the RM version last night, and I’m so disappointed at the compression. It really destroys the lightsabers and other certain effects.
*The Quicktime Animation codec is a lossless format, which means that it’s compressed video, but is as good as uncompressed video. The only problem is that it takes up huge amounts of space. There’s a new lossless Quicktime codec out that supposedly is as good but uses less disk space, but I forgot what it’s called.
Work is being done on lossless codecs for video and still images. Jpeg 2000, Motion Jpeg 2000 (part 3 of the Jpeg 2000 standard), PNG and MNG (the latter two are both finished products and in use in several programs).
These should provide ways of reducing the amount of disk space taken by your videos while retaining quality. For still images, though, 4:1 compression is already quite a lot. Don’t expect miracles!
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