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Adobe Premiere Pro CS4 Exporting Issues
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So I've been trying to figure out what the problem is for a few days now to no avail. I made a simple edit with one track and the thing is about 3 minutes long. The footage is from a GoPro HD recording in 720p at 60 fps. I rendered the project and exported it as an AVI and ended up with a 752 MB file. It works great and all, but Jesus Christ it's a ridiculously huge file and I know I fucked up somethiing. I feel like I'm not encoding what was rendered....but I've tried encoding about 10 times (each attempt took about an hour).
Any help at all would be appreciated because I'm fed up.
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what was the original, unedited go pro footage file?
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Good call, there are a bunch of short clips in the edit and they are all pretty big. 20 second clips are about 50 MB. How do I compress this stuff into a reasonably sized edit?
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That makes the quality pretty poor, but the file size is taken down to 21 MB. Is there anyone who knows good settings for this type of footage?
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your native video size and frame rate
and make it to like 5000 kbps
quality bar at 100.
damn i havent exported in a while i dont remember what else is there haha. but that should help. turn frame reordering on.
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oh nad make sure the deinterlace box is checked. it normally is by default when your exporting with h.264 though
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Thanks for the advice, I'll try these settings. What is this though? How do I change it?
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yep. do that. put quality at 100. kbps is bitrate. i usually set mine at 8000. that should do it.
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H264.
do a VBR 1 pass and push you rate to 20.
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Yeah, I'd export to H.264 mp4 format. If you're on a PC, when you export an H.264 using a Quicktime wrapper rather than exporting to mp4 H.264 itself you can get a gamma shift (the exported video looks brighter than your source files).
I'd use H.264 format with the Apple TV 720p preset, and maybe bump your target bitrate up to 6 or 7 if you want higher quality (it'll come with a larger file size though).
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Awesome, that answers a lot of questions! I'll try a few different methods and get back, hopefully with a new edit to post and get critiqued.
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I did this and it significantly decreased the size of the file to about 200 MB (I still had it at a pretty high bitrate). The only issue is that it plays for about 10 seconds and freezes on my computer. If I start it in the middle of the video, same thing. I use VLC player. Maybe there is another way to encode it that's more PC friendly?
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That's kinda strange. Have you tried playing it with Quicktime?
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it will probably work fine once you upload it. its probably just your computer.
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I just had too much shit going on. I restarted my computer and it worked beautifully. So basically with these settings I just need to make a compromise with quality using bitrate? I tried it all the way up and I got a 200 MB file, but it is awesome quality. I'm sure some of it is excessive, but I'm still experimenting.
Also, is it strange that it takes an hour to encode? The video is only ~3 minutes. I have plenty of power on my PC.
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thats dosent seem to out of the norm if you are exporting with a high bitrate.
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Okay, thanks for all the help everyone! You saved me hours of trial and error with this advice.
Is it unnecessary to set the bit-rate over a certain level? I mean, is there a point at which the quality doesn't increase anymore or not noticeably and I am just making the file bigger?
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No, it's probably not the bitrate that is causing the long export time; even a really high H.264 bitrate (like 20Mbps) is pretty low compared to that of most codecs. It's probably a combination of things, starting with your source files, which are super compressed with H.264 mp4 encoding, and take a long time to decompress when you're exporting. On top of that, any effects, motion, titles, transitions, and speed changes will add significantly to your export time. Computer power also adds into that equation.
An hour long encode seems pretty normal for a three minute encode coming from mp4 source footage, but you can always double check your export settings to make sure that frame rate, frame size, audio frequency, etc matches the settings of your timeline. Any inconsistencies there can also add onto export time.
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Thanks, you're awesome guys.
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