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Cloud-based Automatic Speech Recognition (ASR) platform and a public ASR webservice.
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benchmarks Buffer length changed back to 16384. May 6, 2015
bin Script for running online recognition from CLI added. Aug 20, 2015
slt_demo Recordings doesn't need google login credentials. May 6, 2015
tests Makefile fixed. Jan 16, 2017
.dockerignore .dockerignore added. Aug 10, 2015
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Makefile All vystadial server dependencies removed. Jul 29, 2018 updated. May 6, 2015
cloudasr.json Deployment configuration fixed. Mar 30, 2016
requirements-pip.txt Theano VAD engine replaced with webrtcvad. Jul 29, 2018


CloudASR is a software platform and a public ASR webservice. Its three strong features are:

  • scalability
  • customizability
  • easy deployment

Platform’s API supports both batch and incremental speech recognition. The batch version is compatible with Google Speech API. New ASR engines can be added onto the platform and work simultaneously.

For more information have a look at the documentation or try out our demo.

Contact us

The CloudASR platform is developed by the Dialogue Systems Group at UFAL and the work is funded by the Ministry of Education, Youth and Sports of the Czech Republic under the grant agreement LK11221, by the core research funding of Charles University in Prague. The language resources presented in this work are stored and distributed by the LINDAT/CLARIN project of the Ministry of Education, Youth and Sports of the Czech Republic (project LM2010013).

If you have any questions regarding CloudASR you can reach us at our mailinglist:

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