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US 2004/0175142 A1Published application
Digital video recording/playback system with entry point processing function
AssigneeKabushiki Kaisha Toshiba
InventorsYasufumi Tsumagari, Shinichi Kikuchi
Life of this patent
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Abstract
This invention allows the user to insert an entry point (bookmark) at an arbitrary recording position of video data, audio data, and the like as if he or she placed a bookmark between pages of a book. Information RTR_VMG that manages recorded objects includes movie cell entry point information M_C_EPI. M_C_EPI includes entry point playback time information EP_PTM and text information PRM_TXTI that pertains to an entry point. PRM_TXTI can store text information that pertains to its contents together with type information and date information of an entry point.
Claims31
A data structure having a data area and its management area, wherein
- data is stored in said data area in a form of one or more objects,
- each said object includes one or more data units,
- said data unit includes record information in a form of one or more packs, said record information being presented within a prescribed period of time,
- said management area includes management information for managing said objects,
- said management information includes program chain information for specifying an order of presentation of said objects, and
- said program chain information includes one or more pieces of cell information,
- and wherein said cell information has an area for describing information of one or more entry points, each said entry point indicating a position to enter said record information.
4 more elements
A method for entering one or more entry points using an information medium,
- wherein said information medium has a data area and its management area,
- said data area is used for storing data in a form of one or more objects,
- each said object includes one or more data units,
- said data unit includes record information in a form of one or more packs, said record information being presented within a prescribed period of time,
- said management area includes management information for managing said objects,
- said management information includes program chain information for specifying an order of presentation of said objects,
- said program chain information includes one or more pieces of cell information, and
- said cell information has an area for describing information of one or more entry points, each said entry point indicating a position to enter said record information.
- said method comprising a process for entering said entry points with a predetermined time interval when said record information is recorded in the data area of said information medium.
6 more elements
A method for entering one or more entry points using an information medium,
- wherein said information medium has a data area and its management area,
- said data area is used for storing data in a form of one or more objects,
- each said object includes one or more data units,
- said data unit includes record information in a form of one or more packs, said record information being presented within a prescribed period of time,
- said management area includes management information for managing said objects,
- said management information includes program chain information for specifying an order of presentation of said objects,
- said program chain information includes one or more pieces of cell information, and
- said cell information has an area for describing information of one or more entry points, each said entry point indicating a position to enter said record information.
- said method comprising a process for entering said entry points in response to an instruction from a recorder for recording information on said information medium or from a user of this recorder.
6 more elements
A method for reproducing information from an information medium,
- wherein said information medium has a data area and its management area,
- said data area is used for storing data in a form of one or more objects,
- each said object includes one or more data units,
- said data unit includes record information in a form of one or more packs, said record information being presented within a prescribed period of time,
- said management area includes management information for managing said objects,
- said management information includes program chain information for specifying an order of presentation of said objects,
- said program chain information includes one or more pieces of cell information,
- said cell information has an area for describing information of one or more entry points, each said entry point indicating a position to enter said record information,
- said management information further includes a movie AV file information table,
- said a movie AV file information table includes one or more pieces of movie VOB information,
- said movie VOB information includes time map information,
- said method comprising:
- reading information of said entry point from said management information;
- and
- when a presentation or playback of specific one or ones of said entry points is required, converting a presentation time of the specific entry point to a corresponding file access pointer using said time map information in order to access said specific entry point.
12 more elements
A method for inputting text information using an information medium,
- wherein said information medium has a data area and its management area,
- said data area is used for storing data in a form of one or more objects,
- each said object includes one or more data units,
- said data unit includes record information in a form of one or more packs, said record information being presented within a prescribed period of time,
- said management area includes management information for managing said objects,
- said management information includes program chain information for specifying an order of presentation of said objects,
- said program chain information includes one or more pieces of cell information, and
- said cell information has an area for describing information of one or more entry points, each said entry point indicating a position to enter said record information, the information of one or more said entry points being associated with primary text information,
- said method comprising:
- reading the information of one or more said entry points from said management information;
- inputting text information with respect to a selected one of said entry points;
- and
- changing contents of said primary text information according to the input text information.
10 more elements
A method for displaying a menu using an information medium,
- wherein said information medium has a data area and its management area,
- said data area is used for storing data in a form of one or more objects,
- each said object includes one or more data units,
- said data unit includes record information in a form of one or more packs, said record information being presented within a prescribed period of time,
- said management area includes management information for managing said objects,
- said management information includes program chain information for specifying an order of presentation of said objects,
- said program chain information includes one or more pieces of cell information, and
- said cell information has an area for describing information of one or more entry points, each said entry point indicating a position to enter said record information, the information of one or more said entry points being associated with primary text information,
- said method comprising:
- reading the information of one or more said entry points from said management information;
- reading the primary text information from the read entry point information;
- and
- displaying a menu being associated with a text or texts with respect to the information of one or more said entry points.
10 more elements
A method for displaying an erasure or delete menu using an information medium,
- wherein said information medium has a data area and its management area,
- said data area is used for storing data in a form of one or more objects,
- each said object includes one or more data units,
- said data unit includes record information in a form of one or more packs, said record information being presented within a prescribed period of time,
- said management area includes management information for managing said objects,
- said management information includes program chain information for specifying an order of presentation of said objects,
- said program chain information includes one or more pieces of cell information, and
- said cell information has an area for describing information of one or more entry points, each said entry point indicating a position to enter said record information, the information of one or more said entry points being associated with primary text information,
- said method comprising:
- reading the information of one or more said entry points from said management information;
- reading the primary text information from the read entry point information;
- and
- displaying a menu having information with respect to an order of erasure of the record information according to the read entry point information and the read primary text information.
10 more elements
A method for searching information of an information medium,
- wherein said information medium has a data area and its management area,
- said data area is used for storing data in a form of one or more objects,
- each said object includes one or more data units,
- said data unit includes record information in a form of one or more packs, said record information being presented within a prescribed period of time,
- said management area includes management information for managing said objects,
- said management information includes program chain information for specifying an order of presentation of said objects,
- said program chain information includes one or more pieces of cell information, and
- said cell information has an area for describing information of one or more entry points, each said entry point indicating a position to enter said record information, the information of one or more said entry points being associated with primary text information,
- said method comprising:
- inputting a key word or key words for searching;
- searching the primary text information containing said key word or key words from said management information;
- and
- displaying a result of the searching.
10 more elements
A method for entering defect of an information medium,
- wherein said information medium has a data area and its management area,
- said data area is used for storing data in a form of one or more objects,
- each said object includes one or more data units,
- said data unit includes record information in a form of one or more packs, said record information being presented within a prescribed period of time,
- said management area includes management information for managing said objects,
- said management information includes program chain information for specifying an order of presentation of said objects,
- said program chain information includes one or more pieces of cell information, and
- said cell information has an area for describing information of one or more entry points, each said entry point indicating a position to enter said record information.
- said method comprising:
- reproducing the record information from said data area;
- when the reproduced information contains a defective portion, entering entry point information of a start point of the defective portion as well as entry point information of an end point of that defective portion.
8 more elements
A recordable/reproducible digital information medium having a volume space including a data area and its management area, wherein
- data is stored in said data area in a form of one or more objects,
- each said object includes one or more data units,
- said data unit includes record information of video or audio in a form of one or more packs, said record information being presented within a prescribed period of time,
- said management area includes management information for managing said objects,
- said management information includes program chain information for specifying an order of presentation of said objects,
- said program chain information includes one or more pieces of program information and one or more pieces of cell information,
- said cell information includes specific information for specifying the object to be presented,
- said specific information records entry point information for describing an entry point of the object to be reproduced, and
- said entry point information further includes information relating to the entry point.
6 more elements
A digital video information recording/reproducing apparatus using a recordable/reproducible information medium having management information for managing objects as record information, wherein said management information includes movie cell information,
- said apparatus comprising:
- an entry point setting portion for setting a prescribed entry point at said movie cell information;
- an additional information input portion for inputting additional information with respect to said entry point;
- and
- an additional information setting portion for setting the input additional information at said entry point.
2 more elements
A method for entering an entry point using a recordable/reproducible information medium having management information for managing objects as record information, wherein said management information includes movie cell information,
- said method comprising:
- setting a prescribed entry point at said movie cell information;
- inputting additional information with respect to said entry point;
- and
- setting the input additional information at said entry point.
2 more elements
Dependencies are inferred from the claim text.