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I want to rip DVDs and play them on my netbook on flights. Are there specific video codecs/file formats that use less processing power during playback?

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CPU will draw a lot more power than hard-drive activity, so raw uncompressed (or lowest-compression possible) would consume less power.

High-resolution/HD media would also be one to avoid or down-convert.

I would assume the difference would be marginal though.

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I would even go that far to assume it would vary more on the content played (some action movie with lots of dynamics on screen vs. some slow documentary) than that. – ldigas Jan 11 '10 at 22:49
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