Why Premiere isn't use the max bitrate limit

Forum|Forum|1 year ago
December 13, 2024
1 reply
374 views

Hello,

I am try to convert 1080p mp4 AVC codec 29,970 fps to UHD Hevc mp4 60 fps using premiere

All I did is just change the audio gain of certain part of the video ebcause it's too low

I have select max quality and set the max bitrate to 5.5 mbps (I am using Nvidia hardware acceleration - RTX 3070 Ti) but the result is always exceeding 5.5 mbps even if I lower maxbitrate to 2 mbps, is there something that I might do wrong so the result isn't following the max bitrate limit I set ?

Thank you in advance

nb. the file was converted from vfr video using Handbrake because I read Premiere not fully support vfr

This topic has been closed for replies.

P

PaulMurphy

Community Expert

How are you checking that the file is exceeding the maximum bitrate? Are you viewing this in Premiere Pro, using Media Info, or another tool? What maximum bitrate is it showing?

Also, is there a specific reason for this conversion? By increasing the resolution and doubling the frame rate, you’re likely reducing the quality while significantly increasing the file size.

J

joely_4957Author

Participant

Hello, the video is a video, but the it's vfr I want to make it cfr since I don't like cfr, that's why I use handbrake to make it cfr 29.97 fps

Then I want edit the audio because the Audio is not balanced so I use premiere to balance the audio then I export it to hevc UHD 60 fps

I set max bitrate to 5.5 mbps

But the result is the bitrate is around 9 mbps then if I lowered to 2 mbs, it's around 7 mbps

Then when Is et 1,8 mbps the result even large file

P

PaulMurphy

Community Expert

Why do you need to convert to UHD 60 fps? This won’t improve the quality of your video. It just adds extra pixels and frames, which makes the file size much bigger without any real benefit.

When checking the bitrate of the file, are you looking at megabits per second (Mbps) or megabytes (MB)? It’s easy to mix them up because they sound similar, but they mean different things:

Mbps (megabits per second): This measures the amount of video data being processed every second, which directly affects the video quality.
MB (megabytes): This measures the total size of the file on your computer.

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