About Galician transcription
Galician (Galego) is written in the Latin alphabet and spoken principally in Galicia, in north-west Spain. Subtitles generated here come back in that script, as ordinary written Galician, ready to use in an SRT or VTT file.
Galician sits between Portuguese and Spanish and is close to both, which makes automatic detection unreliable across all three. Speakers also alternate with Spanish routinely, so selecting Galician explicitly is what stops a recording drifting into Castilian spelling.

