Stephen, Any thoughts of putting this into Matterhorn as a workflow operation? I could imagine getting better performance using a trained acoustic model, for those instructors who are interested. Though the audio sounded nice and clean compared to what we normally get from a mic.
Chris On Mon, 19 Dec 2011 11:23:55 +0200 Stephen Marquard <[email protected]> wrote: > Hi all, > > At the Opencast meeting in June in LA, I presented some figures on > baseline speech recognition performance with Sphinx4 for a set of > lecture recordings from Open Yale Courses. > > I've now put the complete data set for these online, described at: > > http://trulymadlywordly.blogspot.com/2011/12/sphinx4-speech-recognition-results-for.html > > The figures and resulting output don't look very encouraging, but keep > in mind that a primary purpose of automated speech recognition is to > produce searchable time-aligned transcripts rather than a readable > result. > > I'd be interested in comparative results if anyone runs these > recordings through another speech recognition engine, or one of the > hosted services. > > Regards > Stephen > > > Stephen Marquard, Acting Director > Centre for Educational Technology, University of Cape Town > http://www.cet.uct.ac.za > Email/IM/XMPP: [email protected] > Phone: +27-21-650-5037 Cell: +27-83-500-5290 > > > > > > > ### > > UNIVERSITY OF CAPE TOWN > > This e-mail is subject to the UCT ICT policies and e-mail disclaimer > published on our website at > http://www.uct.ac.za/about/policies/emaildisclaimer/ or obtainable > from +27 21 650 9111. This e-mail is intended only for the person(s) > to whom it is addressed. If the e-mail has reached you in error, > please notify the author. If you are not the intended recipient of > the e-mail you may not use, disclose, copy, redirect or print the > content. If this e-mail is not related to the business of UCT it is > sent by the sender in the sender's individual capacity. > > ### > > _______________________________________________ > Community mailing list > [email protected] > http://lists.opencastproject.org/mailman/listinfo/community > > > To unsubscribe please email > [email protected] > _______________________________________________ _______________________________________________ Community mailing list [email protected] http://lists.opencastproject.org/mailman/listinfo/community To unsubscribe please email [email protected] _______________________________________________
