The mp4 one works well for me. Other people really like sorenson. The Hsomethingorother codec will get it really small, but it also turns it very dark.
Another thing that will lower the size is restricting the bitrate. I play around with it until I reach the compromise between quality and size, and it's different for each vid depending on the action.
Something I just read recently, but haven't had a chance to apply is doing it in two passes:
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The mp4 one works well for me. Other people really like sorenson. The Hsomethingorother codec will get it really small, but it also turns it very dark.
Another thing that will lower the size is restricting the bitrate. I play around with it until I reach the compromise between quality and size, and it's different for each vid depending on the action.
Something I just read recently, but haven't had a chance to apply is doing it in two passes:
http://www.quicktiming.org/tutorials/compression.php