FIELD: radio engineering; automatic adjustment of sound-reproducing systems using magnetic or optical data media.
SUBSTANCE: proposed method involves formation of reference spectrum designed for record reproduction at speed exceeding record reproduction operational speed, evaluation of obtained signal spectrum which is compared with reference one, and control of channel gain-frequency response using comparison results. Device implementing this method has tone unit, spectrum analyzer, control unit, and demultiplexer.
EFFECT: ability of reproducing-channel automatic adjustment in compliance with arbitrarily specified requirements.
12 cl, 3 dwg
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