Information recording medium, method for recording information, and method for reproduction information

• US 6,741,798 B2
• Filed: 06/20/2002
• Issued: 05/25/2004
• Est. Priority Date: 01/21/1998
• Status: Expired due to Term

• Current Assignee: Kabushiki Kaisha Toshiba (Toshiba Corporation)
• Original Assignee: Kabushiki Kaisha Toshiba (Toshiba Corporation)
• Inventors: Ando, Hideo, Maruyama, Koji, Kikuchi, Shinichi, Taira, Kazuhiko, Ishizawa, Yoshiyuki
• Primary Examiner(s): NGUYEN, HUY THANH
• Application Number:
  US10/175,407
• Publication Number:
  US 20020159765A1
• Time in Patent Office: 705 Days
• Field of Search: 386/95, 386/111, 386/112, 386/125, 386/126, 386/83, 386/97, 386/120, 386/121
• US Class Current: 386/241
• CPC Class Codes: G11B 20/00086 Circuits for prevention of unauthorised reproduction or copying, e.g. piracy indicating unauthorised use of record carriers in general G11B23/28; scrambling for television signal recording H04N5/913; network architectures or network protocols for network security H04L63/00; cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
• CPC Class Codes: G11B 2220/211 Discs having both read-only and rewritable or recordable areas containing application data; Partial ROM media
• CPC Class Codes: G11B 2220/216 Rewritable discs
• CPC Class Codes: G11B 2220/218 Write-once discs
• CPC Class Codes: G11B 2220/237 having exactly two recording layers
• CPC Class Codes: G11B 2220/2516 Hard disks
• CPC Class Codes: G11B 2220/2562 DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
• CPC Class Codes: G11B 2220/2575 DVD-RAMs
• CPC Class Codes: G11B 2220/455 said record carriers being in one device and being used as primary and secondary/backup media, e.g. HDD-DVD combo device, or as source and target media, e.g. PC and portable player
• CPC Class Codes: G11B 2220/90 Tape-like record carriers
• CPC Class Codes: G11B 27/034 on discs G11B27/036, G11B27/038 take precedence
• CPC Class Codes: G11B 27/036 Insert-editing
• CPC Class Codes: G11B 27/105 of operating discs
• CPC Class Codes: G11B 27/3027 used signal is digitally coded
• CPC Class Codes: G11B 27/329 on a disc [VTOC]
• CPC Class Codes: G11B 27/34 Indicating arrangements indicating means incorporated in magazine or cassette G11B23/046 and G11B23/0875; indicating measured values in general G01D
• CPC Class Codes: G11B 27/36 Monitoring, i.e. supervising the progress of recording or reproducing for digital recording G11B20/00 and s.gr.; for monitoring, testing or measuring of TV recorders of the type covered by H04N5/76 and subgroups, see H04N17/06
• CPC Class Codes: H04N 5/85 on discs or drums
• CPC Class Codes: H04N 9/8042 involving data reduction
• CPC Class Codes: H04N 9/8063 using time division multiplex of the PCM audio and PCM video signals
• CPC Class Codes: H04N 9/8205 : involving the multiplexing of an additional signal and the colour video signal
• CPC Class Codes: H04N 9/8227 : the additional signal being at least another television signal

Abstract

An information recording medium includes a first area (DA2) for storing picture data for forming a plurality of pictures, a second area (DA21) which is included in the first area and stores control data of the picture data, and a third area (INFO1) which is included in the second area and stores specifying data for specifying the storage position of representative picture data for forming a representative picture in the plurality of pictures.

Claims

1. An information reproducing method for reproducing a representative picture recorded on an information recording disc, said information recording disc including,

a managing file in which management information is stored, and

an audio file in which audio information is stored or a video file in which video information is stored, wherein,

at least one object is recorded in said audio file or said video file, said at least one object including object units, each of said object units including at least one of a video pack in which video data is recorded or an audio pack in which audio data is recorded,

said management information includes a plurality of program chain information including cell information representing cells, and a video manager information table as a first block including disc representative picture information for a disc representative picture,

said video manager information table precedes said plurality of program chain information,

at least one of said program chain information designates respective cell reproduction orders, said cells refer to a whole or a part of said at least one object,

said disc representative picture information includes information regarding a program chain number, a cell number, a picture point as a presentation time of a picture representing recording contents of the disc, and information regarding a time when the disc representative picture was made, and

said disc representative picture is any picture included in said at least one object,

the information reproducing method comprising:

reading said management information;

referring to said disc representative picture information;

determining a position of said disc representative picture in said video file; and

decoding said disc representation picture.

2. An information reproducing apparatus for reproducing a representative picture recorded on an information recording disc, said information recording disc including,

a managing file in which management information is stored, and

an audio file in which audio information is stored or a video file in which video information is stored, wherein,

at least one object is recorded in said audio file or said video file, said at least one object including object units, each of said object units including at least one of a video pack in which video data is recorded or an audio pack in which audio data is recorded,

said management information includes a plurality of program chain information including cell information representing cells, and a video manager information table as a first block including disc representative picture information for a disc representative picture,

said video manager information table precedes said plurality of program chain information,

at least one of said program chain information designates respective cell reproduction orders, said cells refer to a whole or a part of said at least one object,

said disc representative picture information includes information regarding a program chain number, a cell number, a picture point as a presentation time of a picture representing recording contents of the disc, and information regarding a time when the disc representative picture was made, and

said disc representative picture is any picture included in said at least one object,

the information reproducing apparatus comprising:

a reproducer for reproducing said management information, for referring to said disc representative picture information, and for determining a position of said disc representative picture in said video file; and

a decoder for decoding said disc representation picture.

3. An information recording method for recording a representative picture on an information recording disc, said information recording disc including,

a managing file in which management information is stored, and

an audio file in which audio information is stored or a video file in which video information is stored, wherein,

at least one object is recorded in said audio file or said video file, said at least one object including object units, each of said object units including at least one of a video pack in which video data is recorded or an audio pack in which audio data is recorded,

said management information includes a plurality of program chain information including cell information representing cells, and a video manager information table as a first block including disc representative picture information for a disc representative picture,

said video manager information table precedes said plurality of program chain information,

at least one of said program chain information designates respective cell reproduction orders, said cells refer to a whole or a part of said at least one object,

said disc representative picture information includes information regarding a program chain number, a cell number, a picture point as a presentation time of a picture representing recording contents of the disc, and information regarding a time when the disc representative picture was made, and

said disc representative picture is any picture included in said at least one object,

the information recording method comprising:

determining a position of said disc representative picture in said video file;

generating said disc representative picture information; and

recording said management information including said disc representative picture information.

4. An information recording apparatus for recording a representative picture on an information recording disc, said information recording disc including,

a managing file in which management information is stored, and

an audio file in which audio information is stored or a video file in which video information is stored, wherein,

at least one object is recorded in said audio file or said video file, said at least one object including object units, each of said object units including at least one of a video pack in which video data is recorded or an audio pack in which audio data is recorded,

said management information includes a plurality of program chain information including cell information representing cells, and a video manager information table as a first block including disc representative picture information for a disc representative picture,

said video manager information table precedes said plurality of program chain information,

at least one of said program chain information designates respective cell reproduction orders, said cells refer to a whole or a part of said at least one object,

said disc representative picture information includes information regarding a program chain number, a cell number, a picture point as a presentation time of a picture representing recording contents of the disc, and information regarding a time when the disc representative picture was made, and

said disc representative picture is any picture included in said at least one object,

the information recording apparatus comprising:

a first processor for determining a position of said disc representative picture in said video file, and for generating said disc representative picture information; and

a second processor for recording said management information including said disc representative picture information.

5. An information recording disc, comprising:

a recording area configured to store a managing file in which management information is stored, and an audio file in which audio information is stored or a video file in which video information is stored, the management information used to reproduce the audio or video information with a reproduction apparatus, wherein,

said recording area includes at least one object recorded in said audio file or said video file, said at least one object including object units, each object unit including at least one of a video pack in which video data is recorded or an audio pack in which audio data is recorded,

said management information includes,

a plurality of program chain information including cell information representing cells, and

a video manager information table as a first block including disc representative picture information for a disc representative picture,

said video manager information table precedes said plurality of program chain information,

at least one of said program chain information designates respective cell reproduction orders,

said cells refer to a whole or a part of at least one object,

said disc representatives picture information includes information regarding a program chain number, a cell number, a picture point as a presentation time of a picture representing recording contents of the disc, and information regarding a time when the disc representative picture was made, and

said disc representative picture is any picture included in said at least one object.