Dynamic magnetic information storage or retrieval – Record editing
Patent
1997-09-12
1999-07-20
Psitos, Aristotelis M.
Dynamic magnetic information storage or retrieval
Record editing
360 51, 386 54, G11B 2702
Patent
active
059263326
ABSTRACT:
A variable speed reproduction of speech from memory depending on the indication of a jog dial, is accomplished by buffer memory (23) for speech sound and a jog dial (17) for controlling a read speed from this memory. Speech sound data is read out from the buffer memory (23) at a speed corresponding to the indication of the jog dial (17). The speech sound data is reproduced, independent of the jog dial (17), from a tape (13) and is written into the memory (23). A capstan motor drive circuit (18) detects the difference between the read address and the write address of the memory (23) and controls the reproduction speed of the sound speech data from the tape (13) in accordance with this difference. Since the read speed is directly controlled for the memory (23), no time delay exists between the speed command and the actual variable-speed reproduction. The address difference between write and read of the memory (23) is always monitored to keep the buffer from becoming empty so that continuous reproduction can be made, and so that, when the speech sound is edited, variable-speed continuous reproduction can be made for speech editing by the buffer memory (23) alone.
REFERENCES:
patent: 5712737 (1998-01-01), Tsubaki et al.
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Patent Abstract of Japan, vol. 012, No. 180 (P-709), Dec. 16, 1987, JP-A-62 289986.
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Maruyama Yukihira
Sato Masami
Sekigawa Kaoru
Yahagi Yoshiyuki
Maioli Jay H.
Psitos Aristotelis M.
Sony Corporation
Wamsley Patrick
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