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Reproduction device, reproduction method, program, and storage medium

A technology of reproduction device and memory, applied in information storage, carrier indicating device, recording information storage, etc., can solve the problem of expensive reproduction device and so on

Inactive Publication Date: 2009-07-01
D & M HOLDINGS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, the regenerator becomes very expensive if a completely free asynchronous regeneration is to be possible

Method used

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  • Reproduction device, reproduction method, program, and storage medium
  • Reproduction device, reproduction method, program, and storage medium
  • Reproduction device, reproduction method, program, and storage medium

Examples

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Embodiment Construction

[0024] Embodiments of the present invention will be described in detail below with reference to the drawings. In addition, the embodiment shown below is an example only, and is not limited to this.

[0025] The configuration of the output device according to the embodiment of the present invention is shown in figure 1 . figure 1 The shown playback device 10 includes: a system CPU (Central Processing Unit) 12, an operation section 14, a playback section 16, an audio buffer memory 18, a video buffer memory 20, an audio DSP (Digital Signal Processor) 22, a video DSP 24, an audio decoder 26, Video decoder 28 , audio DAC (Digital to Analog Converter) 30 , video DAC 32 , and display unit 34 .

[0026] The system CPU 12 controls the overall operation of the playback device 10 described below.

[0027] The reproducing unit 16 is constituted by an optical drive or the like for reading a storage medium, and reads and reproduces digital data recorded on a storage medium such as a CD o...

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Abstract

A reproduction device includes: a reproduction unit (16) for reproducing an audio signal and a video signal stream correlated to each other; an audio buffer memory (18) which stores the audio signal reproduced by the reproduction unit (16) and from which the stored audio signal is read out; a video buffer memory (20) which stores the video signal reproduced by the reproduction unit (16) and from which the stored video signal is read out; an operation detection unit (40) for detecting an input operation of an operator concerning the read out of the audio signal or the video signal from the audio buffer memory (18) or the video buffer memory (20); and a system CPU (12) which performs control to read out one of the audio signal and the video signal from the audio buffer memory (18) or the video buffer memory (20) at a predetermined speed and order and to read out the other signal at the speed and the order based on the input operation detected by the operation detection unit (40). The system CPU (12) monitors whether the difference between the current reproduction points of the audio signal and the video signal exceeds a predetermined value.

Description

technical field [0001] The present invention relates to the technology of a reproduction device capable of asynchronously reproducing audio signals and video signals which are synchronized with each other. Background technique [0002] With the development of digital technology, CD players that can perform special reproduction (such as so-called scratch reproduction) on CDs (CompactDisc) in the same way as special reproduction using analog records (so-called scratch (scratch) reproduction, etc.) have become common. This CD player is especially used by DJs (Dis jockey) and the like in clubs, house parties, and the like. [0003] This CD player stores audio signals reproduced from a CD or the like in a memory. The CD player includes a disc-shaped dial, and controls the reading speed and sequence of the audio signals stored in the memory in accordance with the rotational direction and rotational speed of the dial. By rotating the dial in the same manner as an analog record pl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11B20/10G11B27/10H04N5/93H04N5/937
CPCH04N5/85G11B27/34G10H2210/241G11B2020/10703G10H1/0091H04N5/937G11B27/005G11B2020/10694G11B20/10527H03M7/30G11B27/007G11B27/10G11B2020/1074G11B2020/10666G11B2020/1062G11B27/36
Inventor 远藤康弘鬼塚一浩
Owner D & M HOLDINGS INC