
(LOW ELECTRONIC HUM)
Westworld Season 3, Episode 8

(ELECTRONIC WHIRRING)
Westworld Season 3, Episode 8

...a state-of-the-art
ELECTRONIC access system.
The Big Bang Theory Season 3, Episode 13

(ELECTRONIC BUZZING)
Westworld Season 3, Episode 8

(ELECTRONIC whirring)
The Big Bang Theory Season 5, Episode 23