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salamsejahtera
Inspiring
May 31, 2018
解決済み

Exported video has 10x higher bitrate than selected (VBR, 1-pass)

  • May 31, 2018
  • 返信数 1.
  • 732 ビュー

These are my AME CC 2018 (12.1.1 | Build 12) settings. 0.30Mbps for 100 minutes (file size is the target). But my exported video has a bitrate of 2.9Mbps (and a 2.06GB file size to boot).

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What has gone wrong here? Sure, VBR 2-pass would save me a few bits, but I can't fathom how this 10x size increase has happened. It should be 300kbps, not 3,000kbps. For peculiarities, I used hardware acceleration (QSV) and added a timecode. But besides that...this video is plain jane (recorded via OBS).

    このトピックへの返信は締め切られました。
    解決に役立った回答 salamsejahtera

    Found the answer: the "hardware accelerated" (Quick Sync Video) dribble: beyond worthless for lower bit rates. Switching to software only fixed it right up with the output bit rates actually matching the specified bit rates.

    Hopefully this can help others.

    返信数 1

    S
    salamsejahtera作成者
    Inspiring
    May 31, 2018

    Even the minimum bitrate is still 2x the target. Has anyone experienced this issue?

    xNqEdks.png

    And, for what it's worth, I ran it again on a much smaller portion of the file (~5 seconds). It's still 10x the bitrate (and thus 10x the size).

    DqVf0s0.png

    S
    salamsejahtera作成者解決！
    Inspiring
    June 1, 2018

    Found the answer: the "hardware accelerated" (Quick Sync Video) dribble: beyond worthless for lower bit rates. Switching to software only fixed it right up with the output bit rates actually matching the specified bit rates.

    Hopefully this can help others.

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