Simon developer Peter Grasch has announced version 0.4.0 of the open source speech recognition tool – Simon. This new version brings many improvements as official blog reads – “This new version of the open source speech recognition system Simon features a whole new recognition layer, context-awareness for improved accuracy and performance, a dialog system able to hold whole conversations with the user and more.”
Important changes in this versions are:
Sphinx : Simon now includes support for BSD licensed CMU SPHINX. Still they maintain support for HTK and Julius, New models compilation will be done with Sphinx and proprietary HTK is no longer required to build new models. Simon will choose from Sphinx and HTK as backend automatically depending on your configuration.
Other changes includes revamped home screen, Dialog screen, Simonoid – “plasmoid to start and monitor Simon – including the current recording volume.”, sample review tool called Afaras, integration with the Sequitur grapheme to phoneme framework, an Akonadi command plugin and many much. You can either get source code from here and compile it or download binaries / Windows installer.