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US 7,623,761 B2Granted
Information recording method, information recording medium, and information reproducing method, wherein information is stored on a data recording portion and a management information recording portion
AssigneeKabushiki Kaisha Toshiba
InventorsHideo Ando, Hiroaki Unno
Life of this patent
Estimating the term…
Abstract
With this invention, at least one of a video file containing video information, a still picture file containing still picture information, and an audio file containing audio information and a management file having management information on a control method of reproducing the information in the file are recorded on an information storage medium. This realizes a data structure that causes the recording and deleting places on the information storage medium to correspond spuriously to places on a single tape, such as a VTR tape. Use of the data structure provides users with an easy-to-use interface.
Claims4
An information recording medium being configured to have data that is recorded thereon and reproduced therefrom by an information recording/reproducing apparatus, said information recording medium comprising:
- a lead-in area being located on an inner circumference side of the information recording medium;
- and
- a data area being located on an outer circumference side of the lead-in area,
- the data area being divided into logical sectors,
- each of said logical sectors having a size of 2,048 bytes,
- logical sector serial numbers being assigned to the logical sectors, and
- a part of said logical sectors corresponding to logical blocks to which logical block numbers are assigned respectively, wherein said data area comprises:
- a first area being configured to store a video file,
- the video file including an unrecorded area and an object,
- the unrecorded area being able to store new video data,
- the unrecorded area being managed as at least an extent,
- the object having object units,
- each of the object units containing video packs and audio packs,
- one of the object units containing one begin pack,
- each of the video packs and the audio packs having predetermined size,
- said begin pack including recording time information on the object unit,
- the recording time information being expressed by year, month, day, hour, minute and second;
- a second area being configured to store a management file,
- the management file including video management information,
- the video management information having program chain information,
- the program chain information containing cell information,
- the cell information representing a presentation period within the object;
- and a third area being configured to store file management information, and
- the file management information including a file entry that specifies a location of the video file,
- wherein the file management information is able to be obtained by reading the information recording medium,
- the video management information included in the management file is able to be read and stored into a memory,
- the object is able to be read,
- some amount of data of the object is able to be buffered,
- the data of the object is able to be decoded,
- the video management information provides a functionality with respect to the video file such that when processed by the information recording/reproducing apparatus, the object is managed and accessed according to the video management information.
27 more elements
An information reproducing method for reproducing information from an information recording medium,
- said information recording medium having a first area being configured to store a video file, a second area being configured to store a management file, and a third area being configured to store file management information,
- the video file including an unrecorded area and an object,
- the unrecorded area being able to store new video data,
- the unrecorded area being managed as at least an extent,
- the object having object units,
- each of the object units containing video packs and audio packs,
- one of the object units containing one begin pack,
- each of the video packs and the audio packs having predetermined size,
- said begin pack including recording time information on the object unit, and
- the recording time information being expressed by year, month, day, hour, minute and second,
- the management file including video management information,
- the video management information having program chain information,
- the program chain information containing cell information, and
- the cell information representing a presentation period within the object, and
- the file management information including a file entry that specifies a location of the video file, and
- the information reproducing method comprising:
- reading the management file;
- and
- reading the video file, wherein
- the file management information is able to be obtained by reading the information recording medium,
- the video management information included in the management file is able to be read and stored into a memory,
- the object is able to be read,
- some amount of data of the object is able to be buffered, and
- the data of the object is able to be decoded.
21 more elements
An information recording method for recording information to an information recording medium,
- said information recording medium having a first area being configured to store a video file, a second area being configured to store a management file, and a third area being configured to store file management information,
- the video file including an unrecorded area and an object,
- the unrecorded area being able to store new video data,
- the unrecorded area being managed as at least an extent,
- the object having object units,
- each of the object units containing video packs and audio packs,
- one of the object units containing one begin pack,
- each of the video packs and the audio packs having predetermined size,
- said begin pack including recording time information on the object unit, and
- the recording time information being expressed by year, month, day, hour, minute and second,
- the management file including video management information,
- the video management information having program chain information,
- the program chain information containing cell information, and
- the cell information representing a presentation period within the object, and
- the file management information including a file entry that specifies a location of the video file, and
- the information recording method comprising:
- recording the object units into the video file;
- and
- recording the video management information, wherein
- the file management information is able to be obtained by reading the information recording medium,
- the video management information included in the management file is able to be read and stored into a memory,
- the object is able to be read,
- some amount of data of the object is able to be buffered, and
- the data of the object is able to be decoded.
21 more elements
An information reproducing apparatus for reproducing information from an information recording medium,
- said information recording medium having a first area being configured to store a video file, a second area being configured to store a management file, and a third area being configured to store file management information,
- the video file including an unrecorded area and an object,
- the unrecorded area being able to store new video data,
- the unrecorded area being managed as at least an extent,
- the object having object units,
- each of the object units containing video packs and audio packs,
- one of the object units containing one begin pack,
- each of the video packs and the audio packs having predetermined size,
- said begin pack including recording time information on the object unit, and
- the recording time information being expressed by year, month, day, hour, minute and second,
- the management file including video management information,
- the video management information having program chain information,
- the program chain information containing cell information, and
- the cell information representing a presentation period within the object, and
- the file management information including a file entry that specifies a location of the video file, and
- the information reproducing apparatus comprising:
- a reproducer for reading the management file and reading the video file, wherein
- the file management information is able to be obtained by reading the information recording medium,
- the video management information included in the management file is able to be read and stored into a memory,
- the object is able to be read,
- some amount of data of the object is able to be buffered, and
- the data of the object is able to be decoded.
19 more elements
Dependencies are inferred from the claim text.