These terms typically indicate a version of the film that has been re-uploaded with corrected audio-visual synchronization or "fixed" file corruption for online viewing. Database References
The mention of "LostFilm" in your query likely refers to digital archival sites or enthusiast databases like LostFilm.INFO bacanal+de+adolescentes+1982+onlain+lostfilm+fixed
The final result is a that stays true to the original aesthetic while being watchable on modern screens. These terms typically indicate a version of the