Acoustical engineering is the science of sound and vibration in technology. An acoustical engineer works with noise, vibration, and acoustics. You use equipment to measure, manipulate, and analyze sound as part of your daily responsibilities. Duties involve improving sound quality, reducing noise, and managing sound pollution on an environmental and human comfort scale. You assess the impact of sound on animals, people, and the environment. Jobs in acoustical engineering exist in the construction industry, both in the public and private sectors.