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. […]
- Acoustics
(used with a singular verb) physics. the branch of physics that deals with sound and sound waves. (used with a plural verb) the qualities or characteristics of a room, auditorium, stadium, etc., that determine the audibility or fidelity of sounds in it. pertaining to the sense or organs of hearing, to sound, or to the […]