Hello Stephen We prefer headset over lapel because the latter collide with clothing and do not cover heads turning towards the presentation constantly.The downside is that people have problems positioning the headset correctly, but that's the same with lapel. Agree with Ruediger that instructors don't like headsets, but they got used to them even here at ETH.
Don't mess with Bluetooth if you're looking for good quality (and with respect to speech recognition you should be). Regards Olaf A. PS: http://www.sennheiser.com/sennheiser/home_en.nsf/root/professional_wired-microphones_headworn-mics-HS-2 are the ones we use. > -----Ursprüngliche Nachricht----- > Von: [email protected] [mailto:community- > [email protected]] Im Auftrag von Stephen Marquard > Gesendet: Mittwoch, 9. Februar 2011 09:15 > An: Opencast Community > Betreff: [Opencast] Microphone recommendations > > Hi all, > > I was wondering what microphones people are planning to use? > > Some early experiments I have been doing with CMU Sphinx show that the speech > recognition engine is very sensitive to echo and reverberation (as well as > background noise), so we are looking at lapel mics and head-mounted mics. > > For venues where amplification isn't necessary for the audience, I was also > wondering whether bluetooth headsets would be an option? > > Regards > Stephen > > > > -- > Stephen Marquard, Learning Technologies Co-ordinator Centre for Educational > Technology, University of Cape Town http://www.cet.uct.ac.za Email / IM > (Jabber/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] _______________________________________________
