Setup: STT APIs

There are three options for speech to text APIs that you can use with this system.

Check them out individually for extra setup instruction.

1. IBM Watson STT

2. Speechmatics

3. AssemblyAI

4. Gentle STT (Open Source, needs a separate app for setup)

5. Pocketsphinx (Open Source, integrate inside of autoEdit, no extra setup needed)

6. Rev - Transcriptions service

Overview

IBM Watson STT Service

Pros:

• 16 hours a month included in service. 0.02 cent a minute after that see pricing.

• Speed. In autoEdit, always takes 5 minutes to transcribe any duration of audio or video.

• Generally pretty accurate (my opinion, judge for yourself)

• Supports a number of languages see here. Including distinction between British and American English.

Cons:

• Need to provide card details for pay as you go fee.

• is in the cloud so no offline support.

Check out for extra setup instructions for IBM.

Speechmatics STT Service

• 1 hour free credit with new account

• Easy to setup credentials

• Generally pretty accurate (my opinion, judge for yourself)

• 28 languages, see full list Including support for "accent agnostic global english".

AssemblyAI STT Service

• 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

Gentle Open Source STT

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 github repo and I made a node module to work with the API .

Cons:

• Not as accurate as IBM one (in my opinion, but decide for yourself).

• Only support US english STT.

• In autoEdit, at the moment not as fast as IBM one, takes a little longer then the length of the media. (eg 27 min takes 30 min to transcribe).

Check out for extra setup instructions for Gentle.

Pocketsphinx Open Source STT

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.

• in autoEdit, at the moment not as fast as IBM one, 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.

Rev Transcription service

Pros:

• Transcription service from real humans
• In theory more accurate then automated transcriptions

• word level timestamps

Cons:

• Price more expensive then automated transcriptions

• Turnaround slower then automated transcriptions.

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