Method and apparatus for recording data

Details Method and apparatus for recording data Method and apparatus for recording data

1995-12-18

1998-01-27

Edun, Muhammad N.

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

369 58, 369 47, G11B 700

Patent

active

057128375

ABSTRACT:
A method and an apparatus arranged to record data at a higher density. Learning data generated by a learning data generating circuit is recorded on a disc and is actually reproduced by a player to measure inter-code interference in the learning data by an inter-code interference measuring section. In a pre-emphasis correction value calculating section, a pre-emphasis correction value corresponding to the measured inter-code interference is calculated. The result of this calculation is recorded as a table in a ROM of a recording edge position calculating circuit. The recording edge position calculating circuit processes recording data output from an information source in accordance with the table recorded in this ROM.

REFERENCES:
patent: 5533003 (1996-07-01), Kobayashi

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