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

I tried one of those
ELECTRONIC Japanese toilets.
The Big Bang Theory Season 10, Episode 22

(ELECTRONIC WHIRRING)
Westworld Season 3, Episode 8

(ELECTRONIC BUZZING)
Westworld Season 3, Episode 8

(ELECTRONIC HUMMING)
Westworld Season 3, Episode 8