Multimovies.ul

If it seems like raw video:

ffplay -f mulaw -ar 8000 -i multimovies.ul (adjust sample rate — 8 kHz is common for μ-law) multimovies.ul

file multimovies.ul This checks magic bytes. Might say "data", "RIFF", "ISO Media", or "μ-law audio". If it seems like raw video: ffplay -f

If it’s μ-law audio: