This is the 1652nd most frequent French word.
écran
Screen.
Here, 'écran' refers to the physical display screen of an electronic device, such as a computer.
L'écran de mon ordinateur est trop lumineux.
The screen of my computer is too bright.
In this context, 'écran' is used to mean a partition or screen meant to provide sound insulation.
Nous avons installé un écran acoustique dans la salle.
We installed an acoustic screen in the room.
Here, 'écran' figuratively refers to a metaphorical or physical method of concealment, like a 'smoke screen.'