In the television industry, LSM (Live Slow Motion) is a proprietary system by EVS. Files with this naming convention are often training modules for the LSM-VIA remote panel, used by operators to create replays and highlights during live sports.
Regardless of the specific subject, using the format for these educational files is standard because: Lsm13 01 02 mp4
It is a universal "container" that stores video, audio, and subtitles, making it playable on almost any smartphone, tablet, or PC. In the television industry, LSM (Live Slow Motion)