Disc apparatus for selectively outputting data from a disc and a

Details Disc apparatus for selectively outputting data from a disc and a Disc apparatus for selectively outputting data from a disc and a

1994-06-17

1998-05-05

Tran, Thang V.

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

369 48, 369 32, 369 60, G11B 700

Patent

active

057485852

ABSTRACT:
A disc apparatus includes a readout unit, an audio signal output unit, a memory, a switch, and a controller. The readout unit reads out data from a disc wherein the data includes at least digital audio data. The audio signal output unit produces an audio signal output in accordance with the digital audio data. The memory stores the digital audio data read from the disc by the readout unit. The switch switches the digital audio data supplied to the audio signal output unit between the digital audio data stored in the memory and the digital audio data currently being read by the readout unit. Furthermore, the controller controls the readout unit and the memory so that, prior to a playback start operation, the digital audio data of a first predetermined period from a beginning of at least one program is read out by the readout unit and stored in the memory; controls the switch so that, at a beginning of the playback start operation, the audio signal output unit produces the audio signal output based on the digital audio data stored in the memory; and controls the switch so that, a second predetermined period after the start operation, the audio signal output unit produces the audio signal output based on the digital audio data currently being read out by the readout unit.

REFERENCES:
patent: 4977550 (1990-12-01), Furuya et al.
patent: 5235575 (1993-08-01), Han
patent: 5363362 (1994-11-01), Maeda et al.

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