Dynamic information storage or retrieval – Storage or retrieval of spatially related acoustic signals
Patent
1990-04-20
1994-01-04
Chin, Tommy P.
Dynamic information storage or retrieval
Storage or retrieval of spatially related acoustic signals
369 93, G11B 374, G11B 720
Patent
active
052766691
ABSTRACT:
A disc recording device for recording left channel signals and right channel signals having a super audio-frequency signal range up to 40 kHz on a left master disc and a right master disc respectively comprises a left disc recording control portion, a right disc recording control portion, and a common control portion. An another disc recording device for recording the left channel signals and the right channel signals having sounds of super audio-frequency signal range up to 40 kHz onto one face and other face of a master disc respectively comprises a disc inverse face playback control portion, a disc front face playback control portion, and a common control portion. A signal frame as a channel bit used in the above mentioned devices has 316 bits per one left channel signal and one right channel signal, respectively.
REFERENCES:
patent: 3394235 (1968-07-01), Schott
patent: 4320486 (1982-03-01), Cooley et al.
patent: 4748669 (1988-05-01), Klayman
patent: 4788671 (1988-11-01), Kanda
patent: 4873679 (1989-10-01), Murai et al.
patent: 4876719 (1989-10-01), Nakagami et al.
Niitsu Moritada
Oohashi Tsutomu
Chin Tommy P.
Oohashi Tsutomu
The Tokyo Electric Power Co. Inc.
Tran Thai
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