CMU Sphinx 1.0 review
DownloadCMU Sphinx is a Open Source Speech Recognition Engine
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CMU Sphinx is a Open Source Speech Recognition Engine. The Sphinx Group at Carnegie Mellon University is committed to releasing the long-time, DARPA-funded Sphinx projects widely, in order to stimulate the creation of speech-using tools and applications, and to advance the state of the art both directly in speech recognition, as well as in related areas including dialog systems and speech synthesis.
The Sphinx Group has been supported for many years by funding from the Defense Advanced Research Projects Agency, and the recognition engines to be released are those that the group used for the various DARPA projects and their respective evaluations.
Recent support for the project also include Telef?nica I & D, Sun Microsystems, and Mitsubishi Electric Research Labs.
The licensing terms for the Sphinx engines and tools are derived from BSD, and based, in particular, upon the license for the Apache web server. There is no restriction against commercial use or redistribution. (License terms for CMU Sphinx)
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.
Note however that Sphinx is not a final product and there can appear problems. Those with a certain level of expertise can achieve great results with the versions of Sphinx available here, but a naive user will certainly need further help. In other words, the software available here is not meant for users with no experience in speech, but for expert users.
This site will be the canonical location for the release of the Sphinx trainers, recognizers, acoustic and language models, and documentation.
CMU Sphinx 1.0 keywords