What is another word for noise quellers?
Pronunciation: [nˈɔ͡ɪz kwˈɛləz] (IPA) 
Noise quellers are devices or solutions that reduce or eliminate unwanted sound. Another term for noise quellers is sound absorbers that absorb sound waves, a sound barrier that blocks sound, and noise reducers which lower the volume of sound. Other synonyms for noise quellers include acoustic baffles, sound attenuators, noise mufflers, and sound insulation. There are a variety of materials that are used for noise quelling, including fiberglass, acoustic foam, Mass Loaded Vinyl and other acoustically engineered materials. Such solutions and accessories can be used in various settings, including homes, offices, factories, and public spaces where sound needs to be managed.
