Reproduction apparatus using multiple partial response maximum l

Details Reproduction apparatus using multiple partial response maximum l Reproduction apparatus using multiple partial response maximum l

1995-12-11

2000-04-04

Burgess, Glenton B.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of equalizing

360 46, 360 53, G11B 5035, G11B 509

Patent

active

060468742

ABSTRACT:
A first equalizer of a partial response system such as PR4 and a second equalizer of an extended partial response such as EPR4 are provided and are switched by a selector to the equalizer in which an error rate is reduced and an equalization is executed. After that, read data is decoded by a maximum likelihood detection by a decoder.

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