Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Mechanism control by the control signal
Patent
1997-11-04
1999-07-20
Hindi, Nabil
Dynamic information storage or retrieval
Control of storage or retrieval operation by a control...
Mechanism control by the control signal
369 54, 369 58, 369 32, G11B 700
Patent
active
059264489
ABSTRACT:
A recording medium to which this invention is applied includes a first recording area 3 where a digital audio signal sampled at a predetermined sampling frequency and quantized by a predetermined number of bits is recorded, a first management area 2 where information for carrying out management of the digital audio signal recorded in the first recording area 3 is recorded, a second recording area 6 where a digital audio signal corresponding to the digital audio signal recorded in the first recording area 3 is recorded, and a second management area 5 where information for carrying out management of the digital audio signal recorded in the second recording area 6 is recorded, wherein discrimination data indicating that plural recording areas exist is recorded in the first management area 2.
Thus, this recording medium has compatibility with the conventional CD player, and can be reproduced in the state of high sound quality by a higher rank reproducing equipment.
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Nishio Ayataka
Yokota Teppei
Hindi Nabil
Sony Corporation
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