Title:
【発明の名称】ディスク再生装置
Document Type and Number:
Japanese Patent JP3463299
Kind Code:
B2
Abstract:
Image data coded highly efficiently in accordance with the MPEG standards are subjected to an interleave processing and recorded in units of an IGOP on clusters of a minidisk. The clusters each comprise a predetermined number of sectors and are connected to each other through link sectors. If a minidisk is a ROM minidisk, and a P picture or B picture exists in the head of a cluster, an image used as a prediction criterion is coded and recorded as an I picture in the link sector immediately before the cluster besides the P or B picture. In decoding, unless any I picture is recorded in the link sector of the preceding cluster of the cluster, the substantial decoding of the P picture or B picture in the head of the cluster is prohibited. In this way, it is possible to easily edit the highly efficiently decoded image data in units of a GOP quickly when the data are recorded on a disklike recording medium such as a minidisk. Further a special playback such as fast forward or reverse playback in units of a GOP can be executed easily and quickly.
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Inventors:
Yoshimasa Hosono
Application Number:
JP52191194A
Publication Date:
November 05, 2003
Filing Date:
March 28, 1994
Export Citation:
Assignee:
ソニー株式会社
International Classes:
G06T9/00; G11B7/004; G11B11/10; G11B11/105; G11B20/10; G11B20/12; G11B20/14; G11B27/036; G11B27/10; H04N5/926; H04N7/50; H04N9/804; G11B27/034; H04N5/775; H04N5/783; H04N5/85; (IPC1-7): G11B20/12; G11B20/10
Domestic Patent References:
| JP522698A | ||||
| JP4105271A | ||||
| JP646368A | ||||
| JP638166A | ||||
| JP5344494A |
Attorney, Agent or Firm:
Hidemori Matsukuma