Experiences with Structured Recording and Replay in Interactive Remote Instruction
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Experiences with Structured Recording and Replay in
Interactive Remote Instruction
Kurt Maly et al.Old Dominion University, Norfolk,
Virginia, USA
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• Two widely used distance learning methods are:
• IRI (Interactive Remote Instruction) combines key features of both methods. It has been used for the past 4 years in regular credit classes.
Introduction
TV-basedcourses
Web-basedcourses
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Degree of Interaction• “In its most fundamental form education is
interaction among teacher, student, and subject content.”
• Increasing the degree of interaction increases effectiveness and satisfaction.
• When comparing traditional environments (2-way audio, one-way video and traditional classrooms) with IRI, the perception of classroom interaction of the IRI group is consistently higher.
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Recording Architecture• Recording is based on a passive
“participant” that records the session.• Playback is based on an active “participant”
that plays back on demand. • The architecture allows us to mix live with
recorded sessions.• Storage: anywhere from 300MB to 1GB/h.
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Recording and Review• IRI session recording and review are completely
controlled through Java applets.
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Recording and Review (cont.)• IRI Control Panel in a session
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Recording and Review (cont.)• Interfaces for review selection
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• Replay and live session integration Recording and Review (cont.)
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Client Machine
JavaApplet
WebBrowser
Recording/Replay
Machine
Web ServerMachine
RecordingReplay Server
JavaServer
Architecture of Replaying and Recording Controller
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Status and Future Work • IRI has evolved into a reliable system.• We plan to continue use of this UNIX
version for classes over the next year.• We are currently designing a platform
independent version, Java based, with an emphasis on supporting at-home class members.