STL to srt from cli

Debian

Install

apt install python3-ttconv

Convert stl to srt subtitles

ttconv convert -i test.stl -o test.srt

Source

https://github.com/sandflow/ttconv?tab=readme-ov-file

ttconv is a library and command line application written in pure Python for converting between timed text formats used in the presentations of captions, subtitles, karaoke, etc.

What are STL subtitles

EBU STL files are binary files containing both metadata and subtitle data. They are structured into a series of blocks, each serving a specific purpose.

https://support.limecraft.com/support/solutions/articles/48001266429-subtitle-file-format-ebu-stl
https://tech.ebu.ch/docs/tech/tech3264.pdf