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rant7
rant7
Participant
June 10, 2023
Answered

Premiere Elements export file more than twice the size of original.

  • June 10, 2023
  • 1 reply
  • 788 views

Using Premiere Elements 14. Editing a 4.0GB .mp4 (1920x1080, 25fps) movie to remove commercials. After edits and movie is exported, the file size has ballooned out to 10GB even though overlength of the movie has decreased.

Suggestions please.

 

 

    This topic has been closed for replies.
    Correct answer Bill Sprague

    More than anything else, file size is determined by "bitrate".  Your source file probably has a low bitrate.  The default output probably has a higher bitrate.  Use the custom settings and lower the output bitrate. 

    1 reply

    B
    Community Expert
    Bill SpragueCommunity ExpertCorrect answer
    Community Expert
    June 10, 2023

    More than anything else, file size is determined by "bitrate".  Your source file probably has a low bitrate.  The default output probably has a higher bitrate.  Use the custom settings and lower the output bitrate. 

    rant7
    rant7Author
    Participant
    June 10, 2023

    Bill,

    Thanks for the reply.

    The output bit rate was set to 15Mbps. If I change it to 10Mbps the size of the file decreases to 7.0GB.

    How low can you go before the output degrades in quality?

      B
      Community Expert
      Bill SpragueCommunity Expert
      Community Expert
      June 10, 2023

      How low can the bitrate be?  That depends on how you measure "quality" and it can be a lot lower than you expect.  What you need for viewing a YouTube on a laptop computer and what you need for a 55 inch 4K TV screen might be different.   On one recent project I used 5 mbps to keep file size down and was surprised at the visual quality I saw.   In the table below, YouTube suggest 8 mbps for an HD video at a "standard" frame rate.   

      https://support.google.com/youtube/answer/1722171?hl=en#zippy=%2Cbitrate

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