Tbr.mp4 -

: The time base provided by the MP4 container itself.

: For many MP4 files, TBR and FPS will be identical (e.g., 30 fps and 30 tbr). However, because MP4 containers can store complex time-stamping data, tools like FFmpeg must calculate TBR by finding the lowest common multiple of all frame rates in the stream to ensure accurate timestamp representation. Common Issues : TBR.mp4

If a video has a , it can cause playback issues such as freezing, jittery motion, or "non-monotonous DTS" warnings during editing or conversion. : The time base provided by the MP4 container itself