Retail option (many others):
- ~$1200 -- CaptionMaker & MacCaption
Free (and paid option) transcription editor:
Example using IBM Watson (or "Gentle") to auto-transcribe a video's audio stream to more easily transcribe (Option 2):
Free in-development (used in production) auto-transcribe tool (online version uses IBM Watson) autoEdit 2:
Speech-to-text engines:
Open Source Command Line tool for automatic video captioning:
HTML5 Polyfill to embed captions for your own videos:
HTML5 Video Player built with a11y in mind (originally by University of Washington):
https://github.com/BingLingGroup/autosub