Acoustical engineering (also known as acoustic engineering) is the branch of engineering dealing with sound and vibration.It includes the application of acoustics, the science of sound and vibration, in technology.Acoustical engineers are typically concerned with the design, analysis and control of sound.

Acoustics is a branch of physics that deals with the study of mechanical waves in gases, liquids, and solids including topics such as vibration, sound, ultrasound and infrasound.A scientist who works in the field of acoustics is an acoustician while someone working in the field of acoustics technology may be called an acoustical engineer.The application of acoustics is present in …