New answers tagged screen-casting
Modern video codecs are already very good at dealing with temporal redundancy. You probably don't need to do anything extra unless you're targetting an extremely low bitrate. You could probably go down to 10fps without having things look bad, and that should help. I guess you want to leave the resolution fairly high, so it's easy to read the chalk board. ...
Apparently Youtube took some extra time to process the HD. Both are showing in HD now.
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