Peter de Moel Sefi IGIP 2010

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Transcript of Peter de Moel Sefi IGIP 2010

Challenge the future

DelftUniversity ofTechnology

Expanding the usabilityof recorded lecturesin Watermanagement

2Expanding the usability of recorded lectures

Personal details authors

Peter de MoelLecturer Drinking water Engineering /Project manager Pilot Delft

OpenCourseWareDelft University of Technology

(Netherlands)Erwin de MoelMSc graduate Computer ScienceUniversity of Twente (Netherlands)

Jasper VerberkAssociate professor Drinking Water

EngineeringDelft University of Technology

(Netherlands)

Willem van ValkenburgDirector TU Delft OpenCourseWareDelft University of Technology

(Netherlands)

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Netherlands and waterWatermanagement since 1200 AD

Reclaimed land and others...

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TU Delft OpenCourseWareSince 2006

http://ocw.tudelft.nl/

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TU Delft OpenCourseWareSince 2006

http://vimeo.com/5458064

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TU Delft OpenCourseWare

BSc

• Watermanagement (Dutch)• Sanitary Engineering

(English)

8 courses in Watermanagement (2 BSc / 6 MSc)

http://ocw.tudelft.nl/watermanagement/

MSc (English)

• Water Management in Urban Areas

• Public Hygiene and Epidemiology

• Drinking water Technology• Drinking water Design• Pumping Stations and

Transport Pipelines• Civil Engineering in

Developing Countries

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Recorded lectures

Collegerama (Mediasite) in Blackboard:

Since 2007

http://blackboard.tudelft.nl/

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Expanding the use of recorded lectures

Backgrounds:• TU Delft OpenCourseWare • Recorded lectures at Delft and Twente (identical recording

systems)• Speech recognition for video searching in Twente

MSc project in Computer Science

http://www.citg.tudelft.nl/live/pagina.jsp?id=69192d7e-3eaf-4788-b936-21808aa8de29&lang=en

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Recorded lectures

Course size 1 lecture 30-40 lecturesRecording duration 15 minutes 100-120 minutesVideo resolution 340x240 (iPOD)

1920x1280 (HD)File location Streaming DownloadMovie content All-in-one video

Video + screenshots

Large variation

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Watermanagement 2009/2010

• Monday/Friday 1+2

• Lecture hall A• max. 350

students

• recording with “live video connection”

• full house

550 students for BSc course

http://blackboard.tudelft.nl

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Watermanagement 2009/2010

• Lecture hall D• “Theatre room”

• 1st hour - 8 stud.• 2nd hour - 23

stud.

• not further used

550 students for BSc course

http://blackboard.tudelft.nl

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Watermanagement 2009/2010

• Live streaming ?

• Same as on my laptop

• Lectures at home

550 students for BSc course

http://blackboard.tudelft.nl

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Watermanagement 2009/2010

• In the coffee break...

• Next lecture will be the online recorded lecture....

• Or later !!

550 students for BSc course

http://blackboard.tudelft.nl

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15Expanding the usability of recorded lectures

Watermanagement 2009/2010“Lecture attendance”

Recorded lectures are favourite

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Watermanagement 2009/2010

• Lorem ipsum dolor sit amet, consectetuer adipiscing• Cras vestibulum ipsum in lorem.• Aliquam libero magna

• Eget fermentum quis rutrum eu erat. • Suspendisse tempus dui ut eros. • Aenean pulvinar eleifend ipsum.

At what time do students “attend” recorded lectures ?

Recorded lecture are viewed live, or on demand the same day,or a week later, but mostly on the day(s) direct before the exam

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Potential developmentsReuse of recorded lectures

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Reuse of recorded lecturesLectures download

• iTunes / YouTube

• 320 x 240• MP4

• 7 MB • 1:48 min

Watermanagement• 28 lectures• 85 downloads

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Content of a course / lectures

• What is in this course ? Lectures / Subject per lecture• What is in this lecture ? Subjects• How do I navigate ? Time slider or Table Of Content• Where starts the subject…..?• Where is something on ……..?

Main questions for students

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Content of a course / lectures

• Overview of lectures• Text / pictures / pictures+text

Table of Content

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Content of a lecture

• Chapters and Paragraphs• Link to start time• Combined in ELS

Table of Content

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Content of a lectureInteractive Table of Content

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SubtitlesAnd translated subtitles (online in YouTube)

http://www.youtube.com/watch?v=9na2hHJmmvE

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Subtitels

Mean word correctness 50% (range 25 – 75%)

Creation with speech recognition

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Meta data of lecturesCourse with 28 lectures (45 minutes)

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Collegerama lecture search

• Lecture titles • Slide titles

Table of content

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Collegerama lecture search

• Human made subtitles better than speech recognition• Slide content is not a good source for search engines• Multiple keyword result per slide: much shorter viewing

time

Search engine

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Presentation in ELSTOC – downloads – search engine

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International curriculum exchange

• Distant learning as preparation for MSc Delft• Short courses• Intensive courses• Local modifications

Recorded lectures – books - assignments - exams

30Expanding the usability of recorded lectures

International curriculum exchangeRecorded lectures – books - assignments - exams

Challenge the future

DelftUniversity ofTechnology

http://ocw.tudelft.nlhttp://drinkwater.tudelft.nlcontact: p.j.demoel@tudelft.nl