| abstract |
(57) [Summary] [Purpose] To enable high-speed recording / reproduction, simultaneous reproduction, and simultaneous recording / reproduction using a disk drive, a cache memory, and a high-speed recording / reproduction VTR. [Structure] A playback device 21 capable of performing playback at a playback speed n times the normal playback speed, and a plurality of disk drives 22, 2 3, 30, 31, 34, 35, 42 and 43, the input unit 25, the sub-code generation circuit 32, the reproduction output unit 36, 41 and 49, a recording monitor output unit 44, a data controller 20 provided between them to control data transfer between them, and a system controller 33 to control them. |