How to put computer screen on TV?

How do they put those computer-generated lines on the TV screen for football games?

  • Would like to know more about the technology they use for putting a line on the field for the line of scrimmage and first down markers.

  • Answer:

    Adding the line to a game broadcast is an impressive feat of logistics and engineering. It takes surveying equipment, special video cameras, a rack of computers and a staff of operators to insert a simple line and change it every time a first down is made. You can find out more at the following link.

Tim D at Yahoo! Answers Visit the source

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