Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Mechanism control by the control signal
Patent
1993-09-17
1994-12-27
Psitos, Aristotelis
Dynamic information storage or retrieval
Control of storage or retrieval operation by a control...
Mechanism control by the control signal
369 48, 369 49, 369 58, 369 32, G11B 700
Patent
active
053771672
ABSTRACT:
A recording/reproducing device for recording and reproducing on a rewritable recording medium which comprises absolute addresses, a sound information recording region for recording sound information entered thereto from outside and a TOC area for recording additional information on the sound information recorded in the sound information recording region. The device includes an optical head as well as a magnetic coil for recording silencing information or fading information in the TOC area, each of which respectively specifies that a desired range in the sound information recording region should be erased or a fade-in/fade-out operation adjacent to the recording start/end position of desired sound information should be executed in reproducing sound information in the sound information region, a TOC memory wherein the silencing information or the fading information read from the TOC area is stored when the recording medium is placed in the device, and a muting circuit which performs the silencing operation within the range specified by the silencing information stored in the TOC memory or a fading circuit which performs the fade-in/fade-out operation according to the fading information stored in the TOC memory.
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The Art of Digital Audio; John Watkinson; Jan. 1988; p. 1 and pp. 441 to 487.
Zukai Compact Disc Dokuhon (Illustrated Compact Disc Handbook) Apr. 25, 1988.
Maeda Shigemi
Terashima Shigeo
Edun Muhammad N.
Psitos Aristotelis
Sharp Kabushiki Kaisha
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