FIELD: magnetic recording. SUBSTANCE: method involves reading, filtration, zero normalization and detection of information marker pulse and synchronization pulses. In area of losses a replace pulse signal, doubled-frequency pulse series and pulse series that is invariant to losses are generated. Then pulse of zone of detection of measuring channels anti-slant marker pulses is generated. Series of basic and additional anti- slant marker pulses are received. Permission flag for group of information data is generated. Then, generated reverse code information series is added with information series outside permission flag zone. Results are read and output series of marker pulse and information pulses of measuring channel are generated. EFFECT: increased validity of reading of digital information decreased time for recovery of anti-slant marker pulses when synchronization fails. 4 dwg
