What is another word for soundproofed?
Pronunciation: [sˈa͡ʊndpɹuːft] (IPA) 
There are several synonyms for the word "soundproofed" including "soundproof," "noise-cancelling," "sound-resistant," "acoustically treated," and "audio-insulated." Soundproofing a room can be an effective way of reducing noise pollution and preventing outside sound from disturbing the peace within the room. There are many materials and techniques available to achieve soundproofing, including the use of acoustic panels, thick curtains, or insulated wall and floor materials. When choosing which synonym to use, consider the specific context and desired effect. While "soundproof" is perhaps the most commonly used synonym, "acoustically treated" might be more appropriate in a professional recording studio where high-quality sound is the priority.
