Speech to text options
There are three options for speech to text APIs that you can use with this system.
Check them out individually for extra setup instruction.
Unfortunately Speechmatics is no longer an option as they discontinuing their web portal (meaning the access to STT with API key will no longer be supported) from 30th of Sept 2020. See their deprecation notice for more details.
Mozilla Deep Speech (Open Source, need to download 1.8gig for the English language model)
Pocketsphinx (Open Source, integrate inside the app, no extra setup needed)
Overview
AssemblyAI
Free tier: 5 hours free per month
Competitive pricing at $0.0003 per second
Easy to setup credentials
Generally very accurate (my opinion, judge for yourself)
For now only support for English but more coming soon
Speechmatics
1 hour free credit with new accountEasy to setup credentialsGenerally pretty accurate (my opinion, judge for yourself)Including support for "accent agnostic global english".
Mozilla Deepspeech
Pros:
Free as in free speech as well as in free beer.
Working locally on your machine. No internet connection needed because of that, good for sensitive material.
Open source
requires to download 1.8gig for the English language model
Cons:
Not as accurate as commercial STT but still pretty good (in my opinion, but decide for yourself).
Only support US english STT.
Check out for extra setup instructions for Mozilla Deepspeech .
Pocketsphinx
Pros:
Free as in free speech as well as in free beer.
working locally on your machine. no internet connection needed because of that, good for sensitive material.
Open source module in autoEdit originally extracted from Videogrep project.
Cons:
Not as accurate as IBM or Gentle.
Only support US english STT.
Transcription takes a little longer then the length of the media. (eg 27 min takes 30 min to transcribe).
Pocketsphinx does not require extra setup to use.
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