[maemo-developers] Some weird questions about speech2text, text2speech, GPS ...
From: David Huggins-Daines dhuggins at cs.cmu.eduDate: Mon Jul 16 16:59:47 EEST 2007
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Marco Solari wrote: > I am currently evaluating the porting to the ARM architecture of open-source > projects 'rsynth' and 'festival' for text2speech, and 'pockesphinx' for > speech2text ... Hi, I'm working on speech recognition for the N800. Plans and status can be found at http://lima.lti.cs.cmu.edu/mediawiki/PocketSphinx and http://lima.lti.cs.cmu.edu/mediawiki/GStreamerSphinx To summarize: * ALSA doesn't work very well so we need to use GStreamer for audio input * This is not actually very hard. I'm working on a GStreamer plugin for PocketSphinx. Currently it is in "proof of concept" stage, i.e. it recognizes speech but isn't configurable or stable, you can get it at https://cmusphinx.svn.sourceforge.net/svnroot/cmusphinx/trunk/gst-pocketsphinx/ * The N800 is a bit slower than I expected (slower than my first-generation iPaq) so we will have to do some more tuning to get acceptable performance for large-vocabulary tasks like dictation. For simple commands it should be just fine though. * I haven't put up acoustic models yet but will do so pretty soon. The ones included with PocketSphinx will not work because they expect 16kHz sampling rate, and the N800 can only do 8kHz. On the bright side the audio quality from the lapel microphone on the headset that comes with the device is pretty good (the onboard mic is not suitable for speech recognition). Stuff I would appreciate some help with includes: * GStreamer. * How to create a new input method.
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