Acoustical cloud
one of a number of acoustic panels installed near the ceiling of a concert hall to reflect sound for improving the acoustic quality of music.
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- Acoustical surveillance
the collecting or recording of information by sound-detection methods and devices, as for intelligence purposes.
- Acoustical tile
tile made in various sizes and textures from soft, usually fibrous, sound-absorbing material, as wood, cork, or metal, and typically applied to ceilings or walls.
- Acoustician
an acoustic engineer. noun an expert in acoustics
- Acoustically
pertaining to the sense or organs of hearing, to sound, or to the science of sound. (of a building material) designed for controlling sound. Music. of, relating to, or being a musical instrument whose sound is not electrically enhanced or modified. arranged for or made up of such instruments: an acoustic solo; an acoustic group. […]
- Acousticophobia
noun a fear of noise, sounds Word Origin Greek akoustikos ‘pertaining to hearing’