Cisco Digital Video Recorder in Stand-Alone Mode Uživatelský manuál Strana 27

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Video Player
Matterhorn includes a rich video player that displays both streams
simultaneously, with additional engagefeatures, such as a slide
navigation bar, automatic division of the video into segments according
to the changes in the slides, ability to search in the slidestext, etc.
User Experience
Producer:
Teachers can benefit from the live visual feedback of everything that is being recorded (even the
audio levels) to adjust their position and speech, and the simple tactile interface allows them to pause
the recording or mute the audio to remove parts of the class they do not wish to be recorded. They
can also edit or add the video metadata on the spot. The recordings can also be set up to start and
stop automatically, so that teachers do not have to remember to start the recording at the beginning
of the class, and they can still control it (pause/mute/stop) as any manual recording.
Technical Staff:
Technical staff can use a portable version of the recorder (Galicaster) to record sporadic events such as
conferences and conventions in rooms without fixed recording equipment. Operators can manage
the recorders (Galicaster) in all the classrooms from their own desks, because the capturers are
accessible via a VNC, and the processing system (Matterhorn) is operated with a web interface. They
can schedule single classes or complete courses to be recorded automatically in a very easy way.
Video processing and distribution (by Matterhorn) are completely automated. The specific processing
steps are configurable, so that the specific formats and qualities are configured once at the beginning,
and then are automatically applied to all the videos. Finally, PuMuKIT is an excellent publishing
platform that allows the technical staff to add very rich cataloguing information (metadata), choose
different publishing options (public, private, restricted environments), as well as configure very
different publishing channels and platforms (own webTV, YouTube, iTunes, RSS feeds). It also provides
a corporate webTV site, which can be easily styled to match the institution’s corporate image.
Viewer:
Viewers have a very rich experience because, apart from being able to watch the teacher and the
presentation alongside each other in the player, they can resize and relocate each video according to
their preferences, jump to a certain slide in the presentation and search the video for a certain word
that appears in the presentation slides.
Tools & Links:
Opencast Matterhorn
o http://www.opencast.org
Galicaster
o http://www.galicaster.org
PuMuKit
o http://code.google.com/p/pumukit/
Contact details
Vicente Goyanes
University of Vigo
http://www.uvigo.es/
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