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Wireless activators are common during construction. When a fire pull station or call point is activated, codes usually require evacuation begin immediately. There are certain exemptions like system maintenance and security lockdowns, where manual activation outside the control panel may be overridden. [1]
The JVC GR-C1 VideoMovie was a camcorder released in March 1984 by JVC. It was notable as the second consumer-grade all-in-one camcorder after 1983 Sony Betamovie , as opposed to earlier portable systems in which the camera and recorder were separate units linked by a cable ( portapaks ), and as the first VHS-C camcorder.
Certain models like the JVC RC-M90 and the Sharp GF-777 were known as the boombox kings, having the power to drown out other ghetto blasters; they were frequently used in music battles. [9] The Beastie Boys embraced the boombox as a signature, The Clash always had a boombox with them, and Schoolly D carried around a Conion C-100F in the UK.
Harman Kardon designed and produced some of the first high fidelity audio products in the 1950s. The company's first product was an FM tuner.. Early integrated receivers (with a tuner, preamplifier and power amplifier) were an attempt to create, improve and produce high fidelity performance in a single unit.
A four channel quadraphonic diagram showing the usual placement of speakers around the listener. Quadraphonic (or quadrophonic and sometimes quadrasonic) sound – equivalent to what is now called 4.0 surround sound – uses four audio channels in which speakers are positioned at the four corners of a listening space.
The Bluejacket's Manual is the basic handbook for United States Navy personnel. First issued in 1902 to teach recruits about naval procedures and life and offer a reference for active sailors, it has become the "bible" for Navy personnel, providing information about a wide range of Navy topics.
RCA originated as a reorganization of the Marconi Wireless Telegraph Company of America (commonly called "American Marconi"). In 1897, the Wireless Telegraph and Signal Company, Limited, was founded in London to promote the radio (then known as "wireless telegraphy") inventions of Guglielmo Marconi.
Noise reduction is the process of removing noise from a signal.Noise reduction techniques exist for audio and images. Noise reduction algorithms may distort the signal to some degree.