With the coronavirus pandemic highlighting the need for safety, the upcoming U.S. Open tennis tournament will replace human line judges on 15 of 17 match courts with Hawk-Eye Live, an electronic system that makes automated line calls.
Transitioning from a quality control and broadcast tool in previous tournaments to a judge, Hawk-Eye Live features 18 cameras, six of which are used by a review official to monitor foot faults.
It uses recorded voices to make its calls, which shout “out,” “fault” or “foot fault.”
Courts using Hawk-Eye Live at the U.S. Open will have only a chair umpire to call the score after the system makes the call, and they will take over only if the system malfunctions.
From The New York Times
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