When looking at an MP4 file's stream data, you will often see TBR alongside two other "time base" metrics:
While most users are familiar with (Frames Per Second), TBR represents a calculated "guess" by media decoders to determine the video's intended playback speed. Definition : It is the "Real Base Framerate" of a stream. TBR.mp4
: The fundamental unit of time used by the specific codec (like H.264) inside the file. When looking at an MP4 file's stream data,
If a video has a , it can cause playback issues such as freezing, jittery motion, or "non-monotonous DTS" warnings during editing or conversion. If a video has a , it can
The technical acronym stands for Time Base Rate (or r_frame_rate in technical documentation). It is most commonly encountered as a metadata value when using media tools like FFmpeg to analyze or convert .mp4 video files. Understanding TBR in MP4 Files