Jason Schoenfeld
Forum Replies Created
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I was getting this same error when ever I tried to render out my 1280×720 comp in h.264. No matter what I tried the same error would pop up. Went over and looked at setting Vimeo recommends for h.264 and they suggest setting the level at 3.1+ for anything 720 HD and 4.2+ for anything 1080 HD. I tried this and it worked – I was finally able to output to h.264.
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Yes, that makes sense. Thank you all for the clarification.
Jason
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Dave,
I’m still having a somewhat difficult time understanding this. Projecting video onto a wall and having the pixel dimensions increase in size make senses, but I’m still having a hard time understanding what happens to the pixels on a computer screen when SD is upscaled. As a test I took a SD video, imported it into a 720 x 1080 comp in After Effects and scaled it up to fit the comp. Yes, it didn’t look too good but when I exported one of the frames and took it into Photoshop I counted out 720 x 1080 pixels (didn’t seem as though the pixel size increased).
Thanks again for the help.
Jason
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Thanks Dave – that answered my question. I wasn’t sure if the pixels became larger or if it created pixels based on existing information. Thanks again for the help.
Jason
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Yes, thanks for all the help and info. I’ve got a much better feel for what I’m working with – especially understanding the 4-1… color profile stuff, which I’ve never really understood before. A friend of mine and I were also discussing AVCHD the other day and I really didn’t have much information. So, this clears up a lot.
Thanks again,
Jason -
Other than compatibility issues, and shooting really fast motion. most of the reviews of AVCHD have been favorable. I’m not a big fan of the the fact that it doesn’t shoot 30p, but no big deal. But a couple of months ago I noticed that I had some problems keying out green from some stuff I shot. So is AVCHD a lesser quality HD format?
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Thanks Dave. I have been having problems with AVCHD/mts ever since I’ve started working with it – mainly compatibility issues (iMovie, FCE and even some in Premiere Pro). I just recently updated to the 9.0.3 version and AE seems to handle it pretty good, but I will definitely look at converting to a different codec. I’ve been capturing the footage with a Canon HG10 (which I really like), but I’ve heard that the AVCHD codec can have compatibility issues. Why is this the case and why would Canon use it?
Jason
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Great tutorial, thanks. I’d been to video copilot and saw the HDRI tutorial and that’s what got me thinking about 32 bit and how it applies to elements that are only 8 bits. Thanks again.
Jason
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Forgot to mention that I’m working in Leopard with AE CS4.