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  1. #1
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    Compression and youtube

    Anyone have any advice on how to get the best quality out of youtube? My clips look decent on my machine and once they get uploaded youtube seems to really change the bitrate or GOP size. What do people set GOP size to when exporting from Adobe Premiere?

    Here is a video I shot today. Looks lovely @ 2.7k on my machine (minus shakey cam nation)...uploaded it to youtube and looks like poo.

    https://www.youtube.com/watch?v=-Kv4...qOm9dAWBJJbBrA

  2. #2
    Airborne Flight Crew
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    Definitely looks a little pixely or something...

    do you know what data-rate you have it saved as? In Premiere, there's a setting where I can tell it to save as a certain megabyte per second.. I shoot for 12-15mbs, knowing that it's overkill and that youtube will compress. Not sure if your software has such a setting...
    Airborne Flight Crew

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  3. #3
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    Yea bitrate is pretty high in this example. set to a min of 8 and a max of 20, thing is it looks good out of premiere...youtube just jacks the bitrate/GOP up real good.

  4. #4
    Airborne Flight Crew
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    Bit rate - that's it! Couldn't come up with the term while at work...

    Lately, I've been setting mine as constant, (cbr) rather than variable and have been getting okay results (to be honest I don't understand how the vbr works, when or why, so I figure I'll just give it one choice. It's probably a simplistic/naive approach, but...).

    Usually shoot for above 10, probably less than 18, but whatever keeps my final render under 500mb.
    Airborne Flight Crew

    Jerry Hazard – website

  5. #5
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    found a couple super informative tutorials...

    https://vimeo.com/104554788
    https://vimeo.com/115534648

    Also I seem to notice after a while the youtube compression seems to get better. Maybe youtube does a quick first pass then does a better second pass. I have no idea.

  6. #6
    try anything on a bike
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    Compression and youtube

    To keep good quality, skip YouTube and use Vimeo instead. Keeps the good quality much better.

  7. #7
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    If you're in Premiere, you can use the Youtube 1080p preset and wont have to fiddle with anything. Choose "H.264" as your format, and "YouTube 1080p HD" as the preset.

    To explain a little about how variable/constant bitrate works: Imagine a scene that's a tripod shot of a guy standing in front of a solid wall (Shot A). Then imagine a gopro shot riding through the forest (Shot B). Shot A requires a lot less data to make the image quality look good. Things aren't moving around and there's a big block of solid color, so you can get away with a lower bitrate. But Shot B will need more data to get all the details and movements right.

    If you have a video with different types of shots, using VBR will automatically lower the bitrate for simple shots, and raise the bitrate for complex shots (all within whatever low/high range you set). CBR, as the name implies, just stays at one bitrate for every shot.

  8. #8
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    Thanks! Yea I think I am getting a hold of some of this, somewhat. I have also found that with time youtube tends to fix its initial bitrate issues. It seems like it does a better job of recompressing your video after a while. Also finding a good workflow has been interesting. Shooting @ 2.7k@50 fps (now 60 w/ new firmware update) editing @ in a 30fps timeline seems to work for me. Export either at native 2.7k or 1080p Please feel free to throw any other tips out, much appreciated.

    Second attempt in tahoe with better light helped out too.

    https://www.youtube.com/watch?v=oW8P...qOm9dAWBJJbBrA

  9. #9
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    Another tip is to make a timeline with just a 5 second clip, and export that several times with a ton of settings until you find one you like, then save those settings as a preset. Better than rendering out your whole video just to realize it's pixelated or a gigantic file size.

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