Dynamic information storage or retrieval – Combined independent audio systems – Changeover between audio systems
Patent
1996-10-29
1998-09-01
Neyzari, Ali
Dynamic information storage or retrieval
Combined independent audio systems
Changeover between audio systems
348 13, H04B 120
Patent
active
058020179
ABSTRACT:
To control the audio-recording mode of a video tape recorder used in a communication system, a plurality of pieces of equipment are connected to each other by communication-control buses for carrying out communication among them. Data "71h" set in an OPC (operation-code) field of a command specifying an audio-recording mode of a video tape recorder indicates an audio-recording mode. RM1 to RM4 sub-fields set in an OPR1 (operand) field indicate whether audio recording is to be carried out on Channels 1 to 4 respectively. SF1 to SF4 sub-fields of OPR2 and OPR3 fields indicate the sampling frequencies of Channels 1 to 4 respectively. NA1 to NA4 sub-fields of the OPR2 and OPR3 fields indicate whether one-channel audio recording, two-channel audio recording or 20 bit audio recording is to be carried out on Channels 1 to 4 respectively. Therefore, by transmitting a control signal conveying such a command, other equipment can specify the audio-recording mode of the VTR.
REFERENCES:
patent: 5195065 (1993-03-01), Kato et al.
patent: 5508733 (1996-04-01), Kassatly
Kawamura Harumi
Sato Makoto
Frommer William S.
Neyzari Ali
Sony Corporation
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