imscED — IMSC subtitle/caption editor

IMSC (TTML) subtitle/caption editor built on imscJS, with a Video Image Burner REST service for IMSC burn-in.

Link

Related resources

  • subconv — SCC (CEA-608) to WebVTT converterRuby library converting SCC (EIA-608/CEA-608) caption files to WebVTT; niche 608 conversion path.
  • Whisper-WebUI — subtitle generation UIGradio UI generating subtitles from files/YouTube/mic using faster-whisper; outputs SRT/WebVTT, translation (NLLB/DeepL), Silero VAD, diari…
  • WhisperXASR pipeline producing word-level timestamps via wav2vec2 forced alignment plus speaker diarization, useful for accurate subtitle cue timin…
  • stable-tsWhisper-based transcription with forced alignment and audio indexing, including a mode that loads audio in 30s chunks for near-streaming su…
  • whisper-vtt2srt — AI transcript WebVTT→SRT cleanerZero-dependency CLI/Python tool converting Whisper WebVTT to clean SRT, fixing karaoke-accumulation and filtering glitches.
  • AutoSubSyncSubtitle auto-sync GUI wrapping ffsubsync/autosubsync/alass; can sync against a reference subtitle instead of the video.
  • IMFTool — IMF CPL editor with IMSC subtitlesOpen-source editor for IMF (Interoperable Master Format) Composition Playlists with IMSC1 text-profile subtitle decode/render/preview.
  • SceneSeg (Local-to-Global Scene Segmentation)CVPR 2020 multimodal movie scene segmentation using place and audio features on the MovieNet dataset; reference ML baseline with code.
  • butteraugli (Rust port)Pure Rust port of Butteraugli from libjxl with XYB color, visual masking, and multi-scale bands, validated to within 0.001% of the referenc…
  • SimpleVQADeep-learning no-reference video quality assessment for user-generated content, in PyTorch with SlowFast feature extraction.