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michaelg56776519
michaelg56776519
Participant
March 2, 2018
Answered

One image project : how to reduce the weight of the final product ?

  • March 2, 2018
  • 2 replies
  • 728 views

Greetings,

My question is very simple. I'm exporting some one-hour ambience videos for D&D / RPG sessions, like this one : RPG/D&D Ambience - Gates Of Hell - YouTube

The final size, considering there's only one frame, should be very low, but at the export I end up having projects of between 4 to 7 Go, which is definitely too much.

Is there a way to reduce the weight of the video ?

Thank you very much.

Michael Ghelfi

PS: The ambience is composed on Cubase and the one-hour loop is 602Mo big, best quality .wav

This topic has been closed for replies.
Correct answer Jax24135

VBR will also be your friend.


It's one video frame, so CBR wouldn't doing much good when there's nothing new to add bits to. You can probably drop the video bit rate way down as well - maybe 1.5mbps average, 3mbps max?

2 replies

michaelg56776519
michaelg56776519Author
Participant
March 2, 2018

Thanks to both of you! That really helps.

Have a good day

Michael Ghelfi

R
Community Expert
RobShultzCommunity Expert
Community Expert
March 2, 2018

Wavs are pretty big. You might want to try h.264.

    michaelg56776519
    michaelg56776519Author
    Participant
    March 2, 2018

    Excuse me if I wasn't clear in my explanation : here's a more simple explanation :

    I have a 60 minutes .wav file. Weight : 602 Mo

    I have a 1920x1080 .jpg picture. Weight : 3 Mo
    Nothing else is used, no special effect, nothing, just a simple sound over a motionless picture.

    My final export (h264 for HD Youtube) : 7Go

    This is non sense to me. Where do these extra 6.4 Go come from? How to reduce this useless weight / size ?

    Jax24135
    Jax24135
    Inspiring
    March 2, 2018

    Yeah, don't use the default YouTube HD preset (without altering it) and expect specific results.

    The YouTube HD 1080p preset is VBR, but at 16Mbps.

    File_size = Bitrate (16Mbps) * video length (60min) (Google search bar proves this too)

    The encoder doesn't care if the video is moving or not, it's rendering everything at 16Mbps, so you're getting a needlessly large file size.

    Drop your video bitrate - it'll (probably) never be under 500MB but definitely under 7GB.

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