The string most likely follows a YYMMDD or DDMMYY format, representing November 22, 2021, or December 21, 2022. In professional production environments, this "Date-First" naming is crucial for:
While a filename tells you when a video was made, technical specifications like tell you how good it looks. Professional cameras often record in formats such as 4:2:2 or 4:4:4 . 21122mp4
Often encoded using H.264 (AVC) or H.265 (HEVC) for maximum clarity at low bitrates. The string most likely follows a YYMMDD or