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CMUSphinx- Training

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CMUSphinx- Training
Sphinx is a speaker-independent large vocabulary continuous speech recognizer. It is also a collection of free and open source tools and resources that allows researchers and developers to build speech recognition systems. The packages that the CMU Sphinx Group is releasing are a set of reasonably mature, world-class speech components that provide a basic level of technology to anyone interested in creating speech-using applications without the once-prohibitive initial investment cost in research and development; the same components are open to peer review by all researchers in the field, and are used for linguistic research as well. SphinxTrain is CMU Sphinx's training package. It trains models in Sphinx-3 format, which is also used by PocketSphinx. The Sphinx-2 format can also be converted to Sphinx-2 format under some conditions related to Sphinx-2's limitations. At this point, Sphinx-4 uses Sphinx-3 models.

Documentation and


Download version 5prealfa (planning)
released on 23 February 2016


Related Projects


LicenseVerified byVerified onNotes
BSD 2ClauseKelly Hopkins18 February 2009

Leaders and contributors

Ricky Houghton Maintainer
Alan W Black Maintainer
Rita Singh Maintainer
Arthur Chan Maintainer
Evandro Gouvêa Maintainer
Kevin Lenzo Maintainer
Mosur Ravishankar Maintainer

Resources and communication

Audience Resource type URI
Developer Download
Developer Homepage
Bug Tracking Bug Tracking
General Forum
Support Forum

Software prerequisites

This entry (in part or in whole) was last reviewed on 15 September 2016.


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.

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