About: Telestrator

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A telestrator is a device that allows its operator to draw a freehand sketch over a moving or still video image. Also known as a video marker, this device is often used in sports and weather broadcasts to diagram and analyze sports plays or incoming weather patterns. The user typically draws with a finger, stylus or pen on a touchscreen or graphics tablet. From the touchscreen or the tablet, the drawing signal is communicated to the telestrator, which overlays the video image with the drawing and outputs the combined signal for broadcast or display.

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  • A telestrator is a device that allows its operator to draw a freehand sketch over a moving or still video image. Also known as a video marker, this device is often used in sports and weather broadcasts to diagram and analyze sports plays or incoming weather patterns. The user typically draws with a finger, stylus or pen on a touchscreen or graphics tablet. From the touchscreen or the tablet, the drawing signal is communicated to the telestrator, which overlays the video image with the drawing and outputs the combined signal for broadcast or display. Today, the telestrator is used in a wide variety of applications (from educational, boardroom, church and military presentations to telemedicine conferences), where it can be used by both the near and far ends to annotate precise details of microscopic images or other medical images that are under consultation. The telestrator is also used in courtrooms to communicate details of multimedia images presented to a jury, as was most famously seen during the O. J. Simpson trial in March 1995. (en)
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  • A telestrator is a device that allows its operator to draw a freehand sketch over a moving or still video image. Also known as a video marker, this device is often used in sports and weather broadcasts to diagram and analyze sports plays or incoming weather patterns. The user typically draws with a finger, stylus or pen on a touchscreen or graphics tablet. From the touchscreen or the tablet, the drawing signal is communicated to the telestrator, which overlays the video image with the drawing and outputs the combined signal for broadcast or display. (en)
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  • Telestrator (en)
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