Data recording/reproducing apparatus employing read-after-write system

摘要: A recording apparatus provided on, for example, a digital audio tape recorder or on data storage device correctly and reliably data. An ECC unit 23 appends the parity error correction to transmits resulting heads Hw1, Hw2, while in RAM 61. The are reproduced from magnetic 32 by Hr1, Hr2 supplied subcode separation 45. syndrome detection 62 detects number of corrections performed an 46. system controller 63 compares times threshold value read out 61 sub-code 45 order detect if has been recorded correctly. If not correctly, controls recording/reproducing 30 re-recording same