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Auto subtitle synchronization tool

Experiment data: https://clug-kr.github.io/ming/

Requirements

  • node.js ^7.10
  • ffmpeg (for extract-audio command)
  • IBM Bluemix API username/password (for recognize command)

Install Dependencies

$ npm install
$ npm install -g typescript ts-node # sudo if needed

How to use

1. Extracting audio

$ ts-node src/index.ts extract-audio video.mp4 -o audio.ogg

2. Speech-to-Text

Currently, only ogg format is supported for the audio file, and recognize command requires to be set valid IBM Bluemix username/password settings on the environment variable.

$ ts-node src/index.ts recognize audio.ogg -o recognition_result.json

3. Creating subtitle

$ ts-node src/index.ts combine subtitle.srt recognition_result.json > fixed_subtitle.srt