Radiation levels and alarms are reported on a videooverlay that appears over the surveillance video and can be viewed or re-corded on existing video surveillance hardware.
辐射水平和报警报告覆盖的视频出现在监控录像里，可以查看现有的视频监控硬件记录。
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Auditude allows them to add a videooverlay to the clip, advertising the content source, the original broadcast date, and links to purchase the entire episode or other related content.
Now consider the iPhone, where an embedded video will display a nice play button in its overlay, the tapping of which will grow the video to fill the tiny screen.