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  • Compression Techniques

    H.264 and Youtube issue

    Posted by Roberto Cerini on June 18, 2009 at 12:31 pm

    I’m trying to get a new video into Youtube. I am exporting it using the H.264 Premiere default and changing VBR, 2 Pass, adding 30 keyframes and changing the audio to 44.1kHz from 48 (plus selecting “use best quality”). The videos are less than 1Gb and less than 10 minutes. For some reason this is what I get:

    https://www.youtube.com/watch?v=RkelpUCC–Q

    Does anyone know what could be the issue here? The video plays fine in Windows. I also tried to the the VBR to 3mbs for both max and average as an experiment and got the same result.

    Thanks,

    Rob

    Craig Seeman replied 16 years, 11 months ago 2 Members · 4 Replies
  • 4 Replies

  • Craig Seeman

    June 18, 2009 at 3:50 pm

    Can you post the complete details of your encode? Obviously YouTube isn’t liking the source.
    Profile (Base, Main, High)?
    Frame Size?
    Data Rate?
    extension?
    30 keyframes? Do you mean keyframe every 30 frames or something else?

  • Roberto Cerini

    June 18, 2009 at 9:20 pm

    I meant a keyframe every 30 frames.
    The movie is an SD movie.

    Frame rate 29.97
    Field Order: Lower
    Aspect 4:3
    Profile: Main
    Level: 3.1
    VBR, 1 Pass
    Target Bit Rate 3mbps
    Max bit Rate 6mbps

    no keyframe, 30 keyframes.

    they still look like this:

    https://www.youtube.com/watch?v=O6kL67c-vr0

    If I encode using other formats it works fine!?! COuld my Adobe H.264 encoder have gotten corrupted somehow? The movies play fine in Windows.

  • Roberto Cerini

    June 18, 2009 at 9:37 pm

    I fixed it. The Field order needs to be set to Progressive.

    BTW, what is the Level setting? Premiere defaults to 3.1 for the H.264 setting.

    Thanks,
    Rob

  • Craig Seeman

    June 19, 2009 at 1:43 am

    [Roberto Cerini] “BTW, what is the Level setting? Premiere defaults to 3.1 for the H.264 setting. “

    See the charts towards the bottom of this page
    https://en.wikipedia.org/wiki/H.264

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