soundproofed; soundproofing; soundproofs. Definition of soundproof (Entry 2 of 2) transitive verb. : to insulate so as to obstruct the passage of sound.

What is the meaning of sound proofing?

Soundproofing is any means of reducing the sound pressure with respect to a specified sound source and receptor. ... Soundproofing can suppress unwanted indirect sound waves such as reflections that cause echoes and resonances that cause reverberation.

What is the meaning of sound proof room?

When you soundproof a room, you insulate it so that less noise can be heard outside it. ... You can also use soundproof as an adjective: "The party was in a soundproof room in the hotel, so we could turn the music up as loud as we wanted."