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I have a couple of videos at 1920x800 that use the MKV format (4.7 GB). A friend of mine has an old PC that has some problems playing them; the CPU is working at nearly 100%.

Is it possible to convert these videos to a less CPU intensive video format? The final size is not a problem, it can also double or more.

Into which format should I convert it and which software for Windows should I use (better if free)?

Thank you in advance.

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See:… – heavyd Feb 10 '10 at 14:50
thank you I will try handbrake – Drake Feb 11 '10 at 14:30
up vote 6 down vote accepted

MKV is only the container, so that's not the problem. It is a question of the codec or the picture size. Processing large image sizes needs much more power than small images. So I think the problem here is rather the image size. Maybe you should try to resample it to 720p or even 576p.

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@Martin Thank you, it is clear now. I saw the Video use CABAC, maybe I should try without CABAC active, I read on wiki that it could be lighter to elaborate – Drake Feb 11 '10 at 14:21

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