Create reviewable subtitles for your own short video
Transcribe with Whisper, review manually and process with FFmpeg; this does not claim to generate a new video.
Models generate and reason. Agents use tools to work on tasks. A harness manages an agent’s environment. MCP connects tools and data. Skills are reusable task guidance.
Current task
Create reviewable subtitles for your own short video
Prerequisites
Prepare an authorized isolated test environment, pin dependencies and model versions, and back up before changes.
Estimated time
Learner time varies by environment; no measured duration is claimed.
Validation
Check synchronization at the beginning, middle and end and reopen the exported file in a player.
Limits & boundaries
FFmpeg missing from PATH, insufficient model resources, name errors, subtitle encoding or timing offsets.
Alternatives
ffmpeg
Cost
Not verified
Price not verified; check software, model, API, hardware and hosting costs separately.
Implementation steps
- 01Prepare a short recording with audio/image rights and preserve the original.
- 02Install Whisper and FFmpeg per official instructions and pin versions and the model.
- 03Transcribe a short sample, export subtitles and review timing, names and terminology line by line.
- 04Create a preview using your installed FFmpeg filter/format docs, retaining separate subtitles and originals.
- 05Watch the full clip and correct issues, exporting after checking subtitle/audio/video alignment.
whisper <owned-audio-file> --model <verified-model-id> --output_format srtLimits & boundaries
- Silence or noise may produce incorrect text; transcription quality and hardware speed were not measured here.
- Official documentation reviewed; this site has not run this combination or tested the device.
Permissions & risks
- Silence or noise may produce incorrect text; transcription quality and hardware speed were not measured here.
Original sources
- FFmpeg official documentation ↗
ffmpeg.org · 2026-10-15 · Official documentation
- Whisper official documentation ↗
github.com · 2026-10-15 · Official documentation