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Word-By-Word Timestamps for Audio Transcription

by Alexandr Wang on May 13 2017

Starting today, we will now be sending word-by-word timestamps for all of our audio transcription requests. It was a common feature request we’ve gotten for our audio transcription API, and has enabled a wide range of applications for our customers.Successful transcriptions will now also include an alignment field, which will contain an array of time-aligned words (in the same order as the transcript), where each entry in the array has the following values:

  • word: The word in question
  • start : timestamp in the audio file at which this word begins
  • end : timestamp in the audio file at which this word ends
  • confidence : The confidence for this word’s timestamps

We are excited to see what developers decide to build using the alignment. We’ve seen customers already build custom captioning, simultaneous text-and-video editing, and more.
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