-iv--u-15--lals-01-2-l-ve School Jr 14 .avi -

Researchers studying classroom interactions often use systematic naming. -IV-- could stand for “Interview Video.” U-15 – “Unit 15” in a teaching module. LALS – a specific intervention code. The 2-L-VE might indicate “second live event.” “SCHOOL Jr 14” is the location and grade.

Tell me which of the above you want (or paste a transcript/description you own), and I’ll produce a thorough, specific result. -IV--U-15--LALS-01-2-L-VE SCHOOL Jr 14 .avi

Given the prevalence of dashes, it’s plausible that this file was created by an automated system (e.g., a digital camera, screen recorder, or security camera) that appended metadata or timestamps directly into the filename. For example, “-IV-” could be a camera ID (IV = 4), “U-15” = User 15, “LALS-01” = Location/Lesson code, “2-L-VE” = 2nd version of a Live recording. The 2-L-VE might indicate “second live event