Information storage medium and information recording/playback system

• US 7,907,819 B2
• Filed: 08/16/2010
• Issued: 03/15/2011
• Est. Priority Date: 02/23/1998
• Status: Expired due to Fees

• Current Assignee: Kabushiki Kaisha Toshiba (Toshiba Corporation)
• Original Assignee: Kabushiki Kaisha Toshiba (Toshiba Corporation)
• Inventors: Yoshioka, You, Ando, Hideo
• Primary Examiner(s): Tran; Thai
• Assistant Examiner(s): Hasan; Syed Y
• Application Number:
  US12/857,039
• Publication Number:
  US 20110002655A1
• Time in Patent Office: 211 Days
• Field of Search: 386/240, 386/241, 386/329, 386/332, 386/351, 386/353, 386/356, 704/94
• US Class Current: 386/240
• CPC Class Codes: G11B 19/04 Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
• CPC Class Codes: G11B 20/10527 Audio or video recording; Data buffering arrangements G11B20/12 - G11B20/18 take precedence
• CPC Class Codes: G11B 2020/10592 specifically adapted for recording or reproducing multichannel signals
• CPC Class Codes: G11B 2020/1062 Data buffering arrangements, e.g. recording or playback buffers
• CPC Class Codes: G11B 2020/10722 wherein the size of the buffer is variable, e.g. by adding additional memory cells for coping with input streams that have high bit rates
• CPC Class Codes: G11B 2020/10805 involving specific measures to prevent a buffer overflow
• CPC Class Codes: G11B 2020/1275 Calibration data, e.g. specific training patterns for adjusting equalizer settings or other recording or playback parameters
• 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 2220/2516 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 2220/913 Digital audio tape [DAT] format
• 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 27/10 Indexing; Addressing; Timing or synchronising; Measuring tape travel
• CPC Class Codes: G11B 27/105 of operating discs
• CPC Class Codes: G11B 27/22 Means responsive to presence or absence of recorded information signals
• CPC Class Codes: G11B 27/329 : on a disc [VTOC]
• CPC Class Codes: H04N 21/4325 : by playing back content from the storage medium reproduction of recorded television signals H04N5/76; reproduction of recorded television signals H04N9/79
• 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 9/888 : for signals recorded by pulse code modulation

Abstract

There are provided an information storage medium capable of real-time recording/playback of digital moving picture information, and a digital information recording/playback system using this medium. In a medium that records/plays back data including video data and control information, the control information (DA21 in FIG. 4; RTR_VMG in FIG. 30) includes information (VOBU entry in FIG. 31) for accessing a specific portion (VOBU) of the video data.

Claims

1. A machine readable information storage medium for access by an information playback system,

the information storage medium embodied as an optical disc comprising:

a first area in which a video object is recorded; and

a second area in which control information is recorded,

the control information including first program chain information and second program chain information,

the first program chain information relating to a first program chain,

the second program chain information relating to a second program chain,

cells being specified by the control information,

the first program chain specifying a first playback sequence of one part of the cells,

the second program chain specifying a second playback sequence of another part of the cells,

a first cell of the one part of cells referring to a first region of the video object,

a second cell of the another part of cells referring to a second region of the video object,

a part of the first region being able to overlap with the second region to enable playback of the part of the first region,

another part of the first region being able not to include the second region,

one of the cells relating to Main video or Sub video,

the Main video or the Sub video being able to be used in a multi video simultaneous playback,

the control information including information indicating if an information playback relates to the multi video simultaneous playback,

the first program chain information including information which relates to a total number of the one part of cells,

the control information including I-picture end position information, and the control information including information which indicates an audio signal coding type,

wherein the control information is read and provided to play back the video object by the information playback system, and

the video object is accessed according to the read control information.

4. An information playback system for information playback from an information storage medium according to claim 1, the information playback system comprising:

a reading unit configured to read the control information; and

an accessing unit configured to access and to play back the video object based on the read control information.

2. An information playback method for information playback from an information storage medium embodied as an optical disc including,

a first area in which a video object is recorded, and

a second area in which control information is recorded,

the control information including first program chain information and second program chain information,

the first program chain information relating to a first program chain,

the second program chain information relating to a second program chain,

cells being specified by the control information,

the first program chain specifying a first playback sequence of one part of the cells,

the second program chain specifying a second playback sequence of another part of the cells,

a first cell of the one part of cells referring to a first region of the video object,

a second cell of the another part of cells referring to a second region of the video object,

part of the first region being able to overlap with the second region to enable playback of the part of the first region,

another part of the first region being able not to include the second region,

one of the cells relating to Main video or Sub video,

the Main video or the Sub video being able to be used in a multi video simultaneous playback,

the control information including information indicating if an information playback relates to the multi video simultaneous playback,

the first program chain information including information which relates to a total number of the one part of cells,

the control information including I-picture end position information, and

the control information including information which indicates an audio signal coding type,

the information playback method comprising:

reading the control information; and

accessing and playing back the video object based on the read control information.

3. An information recording method for recording information on an information storage medium embodied as an optical disc including,

a first area in which a video object is recorded, and

a second area in which control information is recorded,

the control information including first program chain information and second program chain information,

the first program chain information relating to a first program chain,

the second program chain information relating to a second program chain,

cells being specified by the control information,

the first program chain specifying a first playback sequence of one part of the cells,

the second program chain specifying a second playback sequence of another part of the cells,

a first cell of the one part of cells referring to a first region of the video object,

a second cell of the another part of cells referring to a second region of the video object,

a part of the first region being able to overlap with the second region to enable playback of the part of the first region,

another part of the first region being able not to include the second region,

one of the cells relating to Main video or Sub video,

the Main video or the Sub video being able to be used in a multi video simultaneous playback,

the control information including information indicating if an information playback relates to the multi video simultaneous playback,

the first program chain information including information which relates to a total number of the one part of cells,

the control information including I-picture end position information, and

the control information including information which indicates an audio signal coding type,

the information recording method comprising:

recording a new video object on the first area; and

adding new control information to the second area.