B_022.mp4 -

: Sequential naming (e.g., "b_022") is common in academic datasets, such as the Basketball Action Recognition Dataset (BARD) or other computer vision projects.

: Security systems, dashcams, or body cams often use alphanumeric patterns to name clips chronologically. b_022.mp4

: The file is composed of "atoms" or boxes that define its metadata (size, resolution, frame rate) and the actual media streams. : Sequential naming (e