Acoustical engineering is the branch of engineering dealing with sound and vibration. It is closely related to acoustics, the science of sound and vibration. Acoustical engineers are typically concerned with:
how to reduce unwanted sounds
how to make useful sounds
using sound as an indication of some other physical property
The art of reducing unwanted sounds is called noise control. Noise control engineers work with engineers in most industries to ensure that their products and processes are quiet.
The art of producing useful sounds includes the use of ultrasound for medical diagnosis, sonar, and sound reproduction.
A separate and related discipline, audio engineering, is the art of recording and reproducing speech and music for human use.
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