Study Element Based Adaptation of Lecture Videos to Mobile Devices

With devices like mobile phones and PDAs becoming pervasive especially among students, there is a demand for viewing lecture videos on such devices, to get quick access to educational content. But, being traditionally designed for desktop computers, lecture videos have high video bit-rates, due to which viewing them on low network bandwidth connections like GPRS incurs long delays and high costs. In this paper, the authors propose a novel method for adapting lecture videos, to make them viewable on low bandwidth connections, at low cost. Their idea is to exploit redundancy present in lecture videos, such as non-changing presentation slides.

Provided by: Indian Institute of Technology Bombay Topic: Mobility Date Added: Jan 2010 Format: PDF

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