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Audio recorders designed to store sound information in magneto-optical discs. These recorders usually consist of an electromechanical device that includes an integral microphone and/or external jacks to attach microphones; an analog/digital converter; data processors; a magneto-optical writer (a device that de-magnetizes a specific area of the disk while laser writing); controls; and a magneto-optical disk memory. The recorders usually have playing capabilities (using a laser reader), either through integral amplifiers and speakers or by providing output to sound reproduction systems. Magnetic-optical audio recorders are available in tabletop, rack mounted, and portable versions.
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