When a video file is playing back at a variable frame rate, it can cause problems with audio sync. Only that the more power your system has, the more likely it will be able to handle the extra demand h.264 or VFR puts on it.
Therefore, you can start to experience “juddering” or “lagging” when playing back the footage, especially if you add extra effects to the video. Essentially, while it saves hard drive space, it’s an extra drain on your system. Like with the h.264 compressed video format, variable frame rate reduces file sizes at the cost of adding extra processing needs in playback. What’s the problem with Variable Frame Rate? If you don’t have Adobe Premiere Pro, you can use other software to detect VFR. This is a screengrab from Adobe Premiere (from a project I’m working on called Silent Eye). at the bottom of the panel it will say “variable frame rate detected”.If you use Adobe Premiere, you can easily find out if a video clip is shot using VFR. other screen capture applications like OBS Studio.game-play recording software like NVIDIA ShadowPlay.Most times this is done to maintain either a compression level or for better capture performance.
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