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I have some presentations that are filmed. The audio is the presenter and the video is all the Powerpoint slides (size 1024x768, video codec H264, audio codec AAC).
I would like to reduce their final file size since a 1 hour presentation is about 800 MB. Most of it is the video part which as I said is mostly powerpoint slides that don't change much over a matter of several seconds.
Which codec would be better suited to encode this images and reduce the size of the end file?
The idea is not the powerpoint file - everybody has Office available - it's the "soundtrack" of the presenter while a specific slide is shown. If I could synchronize the PPT with the audio that would be great, otherwise the users will wonder which slide the presenter is talking about. – rslite – 2012-09-27T01:30:34.623