| 摘要 |
The present invention includes video image control means for acquiring information for a plurality of video images from a video image source, cursor position control means for calculating the cursor position information and generating cursor image information, display image generating means for synthesizing a plurality of video images and cursor image information and displaying the same on a display device, distance information generating means for generating distance information based on video image position information and cursor position information, and audio output control means for deciding volume of audio for the plurality of video images based on this distance information, and making output to an audio output device.
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