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.
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.