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A horn loudspeaker is a loudspeaker or loudspeaker element which uses an acoustic horn to increase the overall efficiency of the driving element(s). A common form (right) consists of a compression driver which produces sound waves with a small metal diaphragm vibrated by an electromagnet, attached to a horn, a flaring duct to conduct the sound waves to the open air.
Western Electric Co., Inc. was an American electrical engineering and manufacturing company that operated from 1869 to 1996. A subsidiary of the AT&T Corporation for most of its lifespan, Western Electric was the primary manufacturer, supplier, and purchasing agent for all telephone equipment for the Bell System from 1881 until 1984, when the Bell System was dismantled.
After the release of The Jazz Singer, all the major film companies were racing to hire audio engineers so they could record and reproduce sound for film.Through common acquaintances at Electrical Research Products, Inc. (ERPI) within Western Electric, [2] Hilliard was contacted and hired by United Artists Studios (UA) in Hollywood, California in 1928 because of his studies in physics ...
Their primary products are loudspeakers and associated audio electronics for professional, home, automotive and multimedia applications. [5] Engineers at Western Electric, who later formed Altec Services Company, developed the technology for motion picture sound that was introduced in 1927, with the release of The Jazz Singer. [6]
In 1929, Western Electric entered as a market competitor for early cinema sound systems. It created the Western Electric Universal Base, a device by which early silent cinema projectors could be adapted to screen sound films. [citation needed] Western Electric designed a wide-audio-range horn loudspeaker for cinemas.
A compression driver is a small specialized diaphragm loudspeaker which generates the sound in a horn loudspeaker. It is attached to an acoustic horn, a widening duct which serves to radiate the sound efficiently into the air. It works in a "compression" mode; the area of the loudspeaker diaphragm is significantly larger than the throat ...
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