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Originally Posted by Sailor Steve
That's pretty funny, SUBMAN1. A paper here recently carried an article about SuperHD-DVDs being used in movie theaters, and he noted that in large scenes of "amber waves of grain" there was still a fair amount of digitization. His quote: "SuperDVDs claim to capture millions of colors. Only film still captures ALL the colors; and that's billions."
I'll be curious to see where all this new tech ends up.
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Actually you are right. It was recorded on film so only film will show off its detail to the best degree. Any change in default format always results in a quality loss for any form of media.
Besides, you have compression. A RAW uncompressed DVD can easily take up 150 GB of data, which is why MPEG-2 is used to bring it down to 4.37 GB to 7.8 GB. WIth compression comes quality loss. MPEG-2 is not bad though, and is better than MPEG-4 for high action scenes - it has more I frames. MPEG-4 trades more P frames for I frames, and this results in higher compression, but is best used for static frames since P frames only record the change from the default I frame. Notice if an I frame has an error, P frames will continue to propogate that error until the next I frame too.
I'm way off topic now.
-S