Body: "Acoustical engineering" is the examination of the application of acoustics, the science of sound and vibration, in technology.
Professionals of "Acoustical engineering" include John Gagliardi, Siddharth Mahajan, David Woolworth, William Roland.
Some subfields in "Acoustical engineering" include aeroacoustics, noise control, speech, bioacoustics, ultrasonics.
Some reasons we look at "Acoustical engineering" include reduction of unwanted noise, use of ultrasound in medicine, concert hall design.