Cisco Digital Video Recorder in Stand-Alone Mode Instrukcja Użytkownika Strona 18
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5 – ViPS
Kaunas University of Technology, Lithuania
System Description
ViPS is an in-house development of the Kaunas University of Technology. The
third edition of this software was used during the TF-Media recording contest.
It has a user-friendly interface allowing teachers to record lectures on their own
using a simple webcam or external video source connected to the system via a
video capture device.
ViPS may be operated in two ways: a) by the teacher, b) by technical staff
connected to the auditorium setup. To support these two scenarios
simultaneously, two interfaces have been developed on the front end: the
broadcaster’s interface and the presenter’s interface. In case of technical assistance, the presenter and
the broadcaster instances can be initiated on separate computers. When the teacher handles the
system alone, the two interfaces can run on the same computer. The ViPS portal is developed on top
of the Drupal open source CMS. For video production, Red5 Media Server is primarily used and,
optionally, Wowza Media Server. All the Flash video synchronisation functions are done by Red5 while
Wowza is used for more reliable video streaming, although it may be replaced by Red5 once it has
developed further. The system is designed in such a way that a special container has to be prepared
for each recording where presentation slides can be uploaded in advance. Static slides can be
presented through the presenter’s interface and automatically synchronised with the video. The
presenter’s computer screen can also be broadcast as a separate high-resolution, low-frame-rate
screen capture window. While the latter results in larger files this does allow for improved
demonstration of dynamic information. During post-processing the video is transcoded to H.264
codec that is used in an HTML5 player, which is compatible with devices without Flash players, such as
iPads. The system is based on open source components, but it is not provided as a complete open
source package at the moment. The service is offered to all members of the Lithuanian Distance
Education Network (LieDM). More than three thousand recordings have been made in two years, and
the LieDM has more than 4500 registered users.
Screenshot
https://vips.liedm.lt/live/2512/tnc2012/en
- TERENA TF-Media 1
- Showcase of 1
- Recording Systems 1
- Summary Report 1
- Contributors 2
- Contact Details 2
- Introduction 4
- Lecture Recording System 4
- SWITCH, Switzerland 10
- 3 – Videotorium 13
- NIIF, Hungary 13
- 4 – L2L (Live to e-Learning) 15
- 5 – ViPS 18
- 6 - Cisco Lecture Vision 21
- Cisco Systems 21
- University of Vigo, Spain 25
- Features Table 28
- TF-Media Recording Contest 30
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