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A Low-Cost, High-Quality Method for Remote Recording of Presentations

Li Kuo Tan1, Jeannie Hsiu Ding Wong1 and Kwan-Hoong Ng1

1 All authors: Department of Radiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia 59100.


Figure 1
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  		Fig. 1 —Diagram shows hardware configuration of typical recording session. Note that recording PC has two inputs: network connection from presenter's computer feeds video; audio connection from sound system feeds audio.

 

Figure 2
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  		Fig. 2 —Installation of CamStudio Lossless Codec.

 

Figure 3
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  		Fig. 3 —Configuration of CamStudio specifying recording window. In practice, we apply client-side scale factor of 0.75 to view window (1,024 x 768 -> 768 x 576) as trade-off between file size and quality.

 

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