Public bug reported:
URL:
http://cmusphinx.sourceforge.net/html/cmusphinx.php
http://cmusphinx.sourceforge.net/sphinx4/
Description:
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 Telefónica 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. 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.
Capabilities
======
Live mode and batch mode speech recognizers, capable of recognizing
discrete and continuous speech.
Generalized pluggable front end architecture. Includes pluggable
implementations of preemphasis, Hamming window, FFT, Mel frequency
filter bank, discrete cosine transform, cepstral mean normalization, and
feature extraction of cepstra, delta cepstra, double delta cepstra
features.
Generalized pluggable language model architecture. Includes pluggable
language model support for ASCII and binary versions of unigram, bigram,
trigram, Java Speech API Grammar Format (JSGF), and ARPA-format FST
grammars.
Generalized acoustic model architecture. Includes pluggable support for
Sphinx-3 acoustic models.
Generalized search management. Includes pluggable support for breadth
first and word pruning searches.
Utilities for post-processing recognition results, including obtaining
confidence scores, generating lattices and embedding ECMAScript into
JSGF tags.
Standalone tools. Includes tools for displaying waveforms and
spectrograms and generating features from audio.
(NOTE: The links in this section point to local files created by
javadoc. If they are broken, please follow the instructions on Creating
Javadocs to create these links.)
License:
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.
There is no restriction against commercial use or redistribution. (License
terms for CMU Sphinx)
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: needs-packaging recognition speech synthesis
--
[needs-packaging] CMUSphinx - speech recognition and synthesis project
https://bugs.launchpad.net/bugs/270269
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