Data recording and reproducing apparatus

Details Data recording and reproducing apparatus Data recording and reproducing apparatus

1994-12-23

1997-03-25

Edun, Muhammad N.

Dynamic information storage or retrieval

Signal processing by storage and subsequent retrieval

369 59, 369 48, 369 32, 369124, 360 48, G11B 700

Patent

active

056151950

ABSTRACT:
A data recording apparatus for recording quantized data at every predetermined fundamental unit includes a quantizing circuit for quantizing a consecutive signal with a predetermined sampling frequency to generate quantized data, a separating circuit for separating each sample of the quantized data at every predetermined fundamental unit, a fundamental unit generating circuit for separating samples of the quantized data of every fundamental unit into odd-numbered group formed of odd-numbered samples and even-numbered group formed of even-numbered samples and disposing the an odd-numbered group and the an even-numbered group so that one of the odd-numbered group and the even-numbered group is disposed in the first half of the fundamental unit and the other is disposed in the second half of the fundamental unit to thereby form quantized data of every fundamental unit, a recording circuit for recording the quantized data on a recording medium, and a recording control circuit for controlling the recording so that at least two consecutive quantized data of every recording fundamental unit are recorded in substantially consecutive positions on the recording medium.

REFERENCES:
patent: 4393502 (1983-07-01), Tanaka et al.
patent: 4697212 (1987-09-01), Osawa et al.
patent: 4961204 (1990-10-01), Tanaka et al.
patent: 5424879 (1995-06-01), Yamada et al.
patent: 5491592 (1996-02-01), Aramaki et al.

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