Since its organization in 1929, the Society has grown steadily in membership and stature. At this time about 7500 men and women who work in acoustics throughout the U.S. and abroad belong to this prestigious Society. A variety of fields related to sound are represented: Physics, Measurement Technologies and Instrumentation, Electrical Engineering, Mechanical Engineering, Civil Engineering, Aeronautical Engineering, Robotics and Computer Sciences, Oceanography, Underwater Propagation, Biology, Physiology, Psychology, Architecture, Speech and Hearing, Music, Noise and Noise Control, Noise Effects, Animal Bioacoustics, and Structural Acoustics and Vibration.