SMRTR TechJan 12, 2026Noted

Subgen: Self-Hosting an Automated Subtitle Generator

SMRTR summary

Subgen automatically generates subtitle files for personal media libraries by extracting audio tracks and processing them through OpenAI's Whisper model when triggered by webhooks from media servers like Plex or Jellyfin. The self-hosted tool creates SRT subtitle files that appear alongside video files, providing a hands-off solution for households needing subtitles when commercial options aren't available.

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