Speech Recognition

Our demo recognizes speech from microphone. Requires Google Chrome. Press a button and say something. The result will be displayed on the right.

Products

Vosk Open Source

  • 18+ languages
  • works offline
  • mobile and server
  • 10 platforms
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Vosk Enterprise

  • more languages
  • premium accuracy
  • ongoing support
  • technology training
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Vosk Mobile

  • more languages
  • efficiency for the edge
  • iOS and Unity
  • ongoing support
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News

Hindi and Dutch model release

2022/03/27

We released Hindi and Dutch models for Vosk

Vosk talk on ClueCon Weekly

2022/02/27

We presented Vosk updates on ClueCon Weekly.

Video available here

Japanese model release

2022/01/06

We released Japanese model for Vosk

Vocabulary update documentation

2021/08/28

Recently we released long-waited documentation on the update of the acoustic model with new vocabulary. Please follow to expand the model or tune the accuracy.

ClueCon 2020 Presentation

2020/08/06

Alpha Cephei presented a great talk on FreeSwitch developers conference ClueCon 2020 titled "Open source speech technology in telephony in 2020". You can find the video here.

About

Alpha Cephei primary mission is scientific. We spent more than 10 years researching speech production, speech recognition and all related areas. We have made a significant progress in understanding the nature of such a marvelous communication method as speech.

At the same time we are also the experts in implementation of the state of the art algorithms in practical systems. We excelled our capabilities during numerous projects in many companies around the world.

We hope you'll find our software, our publications and thoughts useful.

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