iTechster

Screen Capture Frame Rates - iShowU

We this is more for those that are into doing screen captures on their computers. Now mostly I’ve been doing pretty much all my video tutorials using several codecs like Apple Intermediate Codec, Apple Animation, H.264 for the most part. Now usually always my FSP or Frames Per Second while capturing is 25 fps. Which is all good and dandy but you will end up with a pretty large file at the end. Also note that all my screen captures are my full screens resolution which is at 1920×1200 so it’s a fairly large size not gigantic but still on the large side of things.

Ok so here is how it goes. My final movie file is .MOV which I then convert to .m4v, .mp4, or still to .mov using H.264 codec. So I have found that making my initial screen capture @ 16 fps still pretty much looks identical to using 25 fps. Basically I could not tell the difference in quality since screen captures don’t involve motion blur as movies do.

I hope some of you folks find this tip useful if not well then better luck next time.

I’ve attached two files both are the same exact videos of my test I was running at 16 fps which I exported the original video to two different formats. So you can see the quality for yourself.

One is .m4v @ 768×480 and the other is .mp4 @ 640×352 Video durations is 02:39 QuickTime/iTunes/QuickTime Alternative needed to play videos so you don’t have any issues.

iShowU Capture M4V [17.52 MB]
iShowU Capture MP4 [7.39 MB]