An information processing apparatus obtains a first image and display timing
information
of the first image via a first channel, and a second image via a second channel
different from the first channel. The information processing apparatus includes
a main CPU for processing the obtained second image in accordance with the contents
of the first image, and a CRTC for outputting the obtained first image, the processed
second image and the display timing information to a predetermined display unit
to display a combined image obtained by combining the first and second images on
the display unit.