Introduction · Advanced user tips VFR (Variable Frame Rate) vs. CFR (Constant Frame Rate)


VFR (Variable Frame Rate) vs. CFR (Constant Frame Rate)

You can change the frame rate mode by clicking the [...] button in the video format settings.
FPS settings: VFR and CFR
  •  1   Use VFR - Variable Frame Rate (Recommended)
  • VFR is a very efficient recording method which allows you to get small file sizes with the maximum FPS which the recording target can obtain. For example, even though you select "60" FPS at the video settings, you will get a "variable 40FPS video" if you are able to get only 40FPS while recording.

  •  2   Prefer CFR - Constant Frame Rate
  • VFR is much better than CFR. However, some video editing software such as Adobe Premiere doesn't support a VFR video. In this case, you have to choose "CFR". If you select "60" FPS with the CFR option, you will normally get a "constant 60FPS video".

    However, even though you select 60 FPS with the "CFR" option, you will get a "VFR" video if your computer/encoder is not good enough.

* Choose "VFR" for media players

Most media players and some video editors support VFR (Variable Frame Rate), so please choose "VFR" to enhance the recording ability and reduce the video size.

* Choose "CFR" for video editing software

To edit the recorded video with editing programs such as Adobe Premiere, Camtasia, CyberLink's PowerDirector, Magix Movie Edit Pro, Lightworks, Corel VideoStudio Pro with the MP4 container, choose "CFR".

  • Even if you choose the "Prefer CFR" option, the video will automatically be saved as VFR if the encoder's performance is not good enough. To edit a VFR video, you have to convert the VFR video to CFR.
  • To convert VFR to CFR, download Bandicut -> Open a VFR video -> Click the "Encoding Settings" and then select the FPS value. If you select 30 FPS, you will get a 30-FPS CFR video.

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