Data processing apparatus having a digital recording and reprodu

Details Data processing apparatus having a digital recording and reprodu Data processing apparatus having a digital recording and reprodu

1994-04-28

1996-02-06

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Converting an analog signal to digital form for recording;...

360 53, 360 65, G11B 509, G11B 5035

Patent

active

054900182

ABSTRACT:
An analog reproduced output can be processed by a digital system circuit in a digital and analog data processing apparatus. An analog output reproduced from a medium on which analog signals are recorded is converted into digital signals by an (A/D) analog to digital converter of a digital recording and reproducing system. These signals are divided signals corresponding to predetermined frequency bands by sub-band filters. The signals are input to a (DSP) digital signal processing section and an (ECC) error correction coding section. An frequency characteristic adjustment operation and an interpolation operation are performed digitally under the control of a controller. Then, for example, the signals are converted by a (D/A) digital to analog converter and output.

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