acoustical engineering
101Air Movement and Control Association — The Air Movement and Control Association International, Inc. (AMCA; pronounced Am Cah ) is a nonprofit organization that creates standards for, tests, and rates Heating, Ventilating, and Air Conditioning (HVAC) equipment. It is best known for its …
102Maglev — JR Maglev at Yamanashi, Japan test track in November 2005 …
103Speech recognition — For the human linguistic concept, see Speech perception. The display of the Speech Recognition screensaver on a PC, in which the character responds to questions, e.g. Where are you? or statements, e.g. Hello. Speech recognition (also known as… …
104Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A …
105Raymond D. Mindlin — Raymond David Mindlin (New York City, 17 September 1906 to 22 November 1987) was a mechanician who made seminal contributions to many branches of applied mechanics, applied physics, and engineering sciences. Mindlin was the second of three sons… …
106Speed of sound — Sound is a vibration that travels through an elastic medium as a wave. The speed of sound describes how much distance such a wave travels in a certain amount of time. In SI Units with dry air at 20 °C (68 °F), the speed of sound is 343 m/s. This… …
107Victor Talking Machine Company — Victrola redirects here. For other uses, see Victrola (disambiguation) The Victor Talking Machine Company (1901–1929) was an American corporation, the leading American producer of phonographs and phonograph records and one of the leading… …
108Bose Corporation — Infobox Company company name = Bose Corporation company company type = Private company slogan = Better Sound Through Research foundation = 1964 location = Framingham, Massachusetts key people = Amar Bose, Chairman, Founder Bob Maresca, President… …
109undersea exploration — Introduction the investigation and description of the ocean waters and the seafloor and of the Earth beneath. Primary objectives and accomplishments Included in the scope of undersea exploration are the physical and chemical… …
110Octave illusion — Octave illusion. Discovered by Diana Deutsch in 1973, the octave illusion is an auditory illusion produced by simultaneously playing two sequences of two notes that are spaced an octave apart, high to low, and low to high, in separate stereo… …
