• Acoustical engineering is defined as the branch of engineering dealing with sound and vibration.
  • It is 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.