Introduction to Opencast Matterhorn, Apereo Mexico Conference, May 2014
The academic lecture capture
and video management
14 May 2014
University of Cape Town
I work at the University of Cape Town in South
Sakai adopter since 2005
Matterhorn adopter since 2011
Sakai developer, Sakai Fellow, Sakai Board (2009-
2011), Opencast Matterhorn Board (2014)
Universities, companies and people:
• concerned with academic video
• attracted to the Opencast values of openly exchanging
ideas, experience, knowledge and code
• committed to building and maintaining a robust, flexible,
high-quality open source lecture capture and
academic video management solution.
Now also becoming part of
Why is video important?
Source: Echo360 and The Feedback Loop
“Capturing Student Perspectives About Lecture Recordings”, 2010.
639 respondents from 8 US universities
How important are the following
course resources to you?
Lecture recordings are highly valued
Lecture recordings are a safety-net
for students: a second chance to go
over difficult material, or catch up on
Video provides an important way of
engaging learners in online and
blended e-learning courses.
But video can also be complex to
produce, manage and preserve.
… is a free, flexible, open-source platform to support the
management of educational audio and video content.
Institutions use Matterhorn to produce lecture
recordings, manage existing video, serve designated
distribution channels, and provide user interfaces to
engage students with educational videos.
Matterhorn is not itself a video portal (“mytube”).
Where is Opencast Matterhorn used?
43 Adopters with
Upload DIY recordings
Capture from BigBlueButton
Build your own,
NC) for non-
or USB devices
Example of using Galicaster
and Matterhorn in a MOOC
Upload do-it-yourself (DIY) recordings:
• from your computer (e.g. with TheREC)
• from Sakai or another LMS using LTI
• directly to the Matterhorn inbox (server folder)
• from BigBlueButton
Matterhorn video processing is defined by flexible and powerful workflows
which determine how the media is processed, and encoding profiles which
define the formats (container and codec). You can write your own workflow to
suit your needs.
Matterhorn uses ffmpeg and other open source tools to analyse and transcode
audio and video.
For example a lecture capture workflow at the University of Cape Town:
1. ingest recording (audio, presenter/camera track, presentation/slide track)
2. create working versions (mix in audio)
3. hold for review and trimming
4. normalize audio (adjust to reasonable loudness)
5. create download MP4 versions at 360p (H264)
6. create FLV streaming versions
7. archive high-quality versions (720p/1080p)
You can choose how to distribute (publish) recordings from Matterhorn (defined
in workflows and encoding profiles)
Download (e.g. mp4)
another web server
support download whole file or progressive download
Flash Streaming (rtmp)
Your campus video portal, MOOCs, …
Matterhorn2Go Mobile App (Android / Apple)
Inside Sakai or another LMS with LTI
The Paella Player (HTML5)
Features: clean modern look, supports wider range of devices.
for Apple iOS and Android (find it in the app store!)
Inside Sakai (with self-service scheduling) or another LTI-compliant LMS
Publishing to YouTube
Matterhorn support recently added for the Google v3 API by UC Berkeley
Get involved today!
http://opencast.org/ (read the adopter stories!)
Wiki Oficial de la Comunidad OPENCAST en Español
firstname.lastname@example.org (low frequency)
email@example.com (implementers, users)
Issue Tracking and Wiki
Commercial support for
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