WO2003085975A1 - Support, dispositif et procede d'enregistrement d'informations, dispositif et procede d'enregistrement/reproduction d'informations, programme informatique de commande d'enregistrement ou de reproduction d'informations, et structure de donnees comprenant un signal de commande - Google Patents

Support, dispositif et procede d'enregistrement d'informations, dispositif et procede d'enregistrement/reproduction d'informations, programme informatique de commande d'enregistrement ou de reproduction d'informations, et structure de donnees comprenant un signal de commande Download PDF

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Publication number
WO2003085975A1
WO2003085975A1 PCT/JP2003/004450 JP0304450W WO03085975A1 WO 2003085975 A1 WO2003085975 A1 WO 2003085975A1 JP 0304450 W JP0304450 W JP 0304450W WO 03085975 A1 WO03085975 A1 WO 03085975A1
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WO
WIPO (PCT)
Prior art keywords
information
recording
data
still image
reproduction
Prior art date
Application number
PCT/JP2003/004450
Other languages
English (en)
Japanese (ja)
Inventor
Nobuyuki Takakuwa
Takeshi Koda
Tohru Kanegae
Masanori Nakahara
Takao Sawabe
Yasuko Fukuda
Original Assignee
Pioneer Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pioneer Corporation filed Critical Pioneer Corporation
Priority to AU2003236332A priority Critical patent/AU2003236332A1/en
Publication of WO2003085975A1 publication Critical patent/WO2003085975A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/8146—Monomedia components thereof involving graphical data, e.g. 3D object, 2D graphics
    • H04N21/8153—Monomedia components thereof involving graphical data, e.g. 3D object, 2D graphics comprising still images, e.g. texture, background image
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal

Definitions

  • the present invention relates to an information recording medium, an information recording apparatus and method, an information reproducing apparatus and method, an information recording and reproducing apparatus and method, a computer program for recording or reproducing control, and a data structure including a control signal.
  • the present invention relates to an information recording medium such as a high-density optical disk capable of recording various types of information such as main video, audio, sub-video, and reproduction control information at a high density, an information recording apparatus for recording information on the information recording medium, and Method, information reproducing apparatus and method for reproducing information from the information recording medium, information recording / reproducing apparatus and method capable of both recording and reproduction, computer program for recording or reproduction control, and reproduction control
  • the invention relates to the technical field of data structures containing control signals. Background art
  • DVDs have become popular as optical discs on which various information such as main video, audio, sub-video, and playback control information are recorded.
  • the main video information (video data), audio information (audio data), and sub-video information (sub-picture data) are each packetized together with playback control information (navigation data) to improve efficiency.
  • It is multiplex-recorded on the disc in the program stream format of the MPEG 2 (Moving Picture Experts Group 2) encoding technology.
  • the main video information contains only one stream of data compressed in accordance with the MPEG video format (IS013818-2) in one program stream.
  • audio information is recorded in multiple formats (ie, linear PCM, AC-3 and MPEG audio, etc.), and up to 8 streams can exist in one program stream.
  • the sub-picture information is defined by a bitmap and recorded by compression in a run-length system, and up to 32 streams can exist in one program stream.
  • the adoption of the program stream format allows, for example, a single movie to have multiple streams of selectable audio information (for example, one stream of main video information).
  • selectable audio information for example, one stream of main video information.
  • multiple streams of selectable sub-picture information eg Japanese subtitles, English subtitles) , Etc.
  • the transport stream format of the MPEG 2 standard has been standardized, which is suitable for data transmission.
  • a plurality of elementary lease streams are transmitted simultaneously.
  • a plurality of programs or programs such as a large number of satellite digital broadcast television channels, are multiplexed in a time-division manner and transmitted simultaneously on one satellite wave. Disclosure of the invention
  • the present invention has been made in view of the above-described problems, and allows still image information having a relatively large data amount to be multiplex-recorded together with moving image information, audio information, etc.
  • the information recording medium of the present invention has a structure in which an entire stream including a plurality of partial streams each composed of a series of content information is stored in physically accessible units.
  • An information recording medium that is multiplex-recorded in a unit of a packet, and is an object that is a logically accessible unit and stores object data composed of a plurality of packets each storing a fragment of the content information.
  • the plurality of partial streams are configured as a data file, a playback sequence information file storing playback sequence information defining a playback sequence of the object data, and playback control information for controlling playback of the object data.
  • the multiple packets that store the static image control information for controlling the display of the still image information and the multiple packets that store the static image information are combined into one still image partial stream.
  • the playback sequence information is divided into two or more partial streams for still images, and the playback sequence information includes the still image information and the previous
  • the entire stream such as at least a part of the transport stream of MPEG 2 includes a plurality of partial streams such as an elementary stream.
  • Each stream is composed of content information such as video information or sub-video information (for example, video data or sub-picture data) or audio information (for example, audio data), which constitutes a series of contents that can be played back by the information playback device.
  • one “partial stream” means, for example, an elementary stream, such as a video stream, an audio stream, a sub-picture stream, etc., which form a series of contents. Refers to the data array or information array of the book.
  • one “whole stream” refers to a data array or an information array in which a plurality of partial streams are bundled.
  • the entire stream may be a transport stream which is a bundle of m (where m is a natural number of 2 or more) elementary streams in MPEG-2, and n (where n May be a natural number of 2 or more and less than m).
  • a data array or an information array formed by bundling the elementary streams may be used.
  • the entire stream includes at least one partial stream (for example, a sub-picture stream) composed of still image information and still image control information.
  • the entire stream configured as described above is multiplex-recorded on the information recording medium in units of packets (for example, TS packets described later), which are units physically accessible by the information reproducing apparatus.
  • the object data file is a unit logically accessible by the information reproducing apparatus, and stores object data composed of a plurality of buckets for storing fragments of content information, respectively.
  • the reproduction sequence information file stores reproduction sequence information (for example, play list information) that specifies a reproduction sequence of the object data stored in the object data file.
  • the object information file stores related group definition information (for example, AU information or AU information table described later) as reproduction control information for controlling reproduction of the object data file by the information reproducing apparatus.
  • related group definition information for example, AU information or AU information table described later
  • Various types of information stored in these object information files and playback sequence information files Unlike the case of the object data file, it is not multiplexed on the information recording medium in the unit of the aforementioned packet. Therefore, it is possible to reproduce the object data in the information reproducing apparatus based on the reproduction control information and the reproduction sequence information.
  • a related group having a specific relation for example, an AU described later.
  • a desired one of a plurality of multiplex-recorded programs or programs is divided into a plurality of corresponding partial streams (for example, a pair of a video stream and an audio stream, and sub-streams thereof).
  • a set including the picture stream
  • playback can be performed relatively easily.
  • the information reproducing apparatus can easily recognize the related group having a specific relationship such as multi-vision broadcast or multi-view broadcast, Nike language broadcast, and Nike language subtitle broadcast. Become.
  • definition rules or interpretation rules eg, Regardless of the contents of PAT and PMT described later
  • it can be reproduced without any problem according to the related group definition information on the information recording medium.
  • such recording does not record the data structure in a transport stream in which a plurality of television channel programs are digitally broadcasted simultaneously, for example. Since it is sufficient to record a project information file and a playback sequence information file, it is very convenient in practice.
  • a partial stream composed of packets for storing still image information a partial stream composed of packets for separately storing still image control information, or a packet for storing still image information
  • a partial stream for a still image for example, a sub-picture stream
  • the playback sequence information is used in the playback sequence. It includes a first read control flag that indicates whether or not it is necessary to read still image information and still image control information when transitioning between playback items.
  • the related group definition information includes information on each content belonging to the related group. At the time of replacement, a second read control flag indicating whether reading of still image information or still image control information is necessary is included.
  • the partial stream for a still image is displayed. Reading of still image information and still image control information is not performed. In other words, the reading and reproduction of image information on other partial streams (for example, video stream and audio stream) is performed preferentially, and the reproduction of the main video, video, music, etc. may be delayed. Can be actively avoided.
  • the still image information or the still image control information on the partial stream for the still image is displayed. Is read. That is, the still image information and its control information on the partial stream for the still image (for example, the sub-picture stream) are read and reproduced, and the situation in which the reproduction of the still image is delayed is positively performed. Can be avoided.
  • the still image information and still image control information on the partial stream are not read. That is, the reading and reproduction of image information on other partial streams (for example, a video stream or an audio stream) is performed preferentially, and switching of a main image, a moving image, music, or the like (immediately) , Playback after switching) can be positively avoided.
  • the still image information and the still image control information on the partial stream for the still image are displayed.
  • Reading is performed. That is, the still image information and its control information on the partial stream for the still image (for example, the sub-picture stream) are read and played back, and the switching of the still image (that is, the switching after the switching) is performed. It is possible to proactively avoid situations in which regeneration is delayed.
  • At least one partial stream (eg, Still image information included as a sub-picture stream can be appropriately reproduced together with other main video information and audio information, or independently, based on the still image control information included in the at least one partial stream.
  • still image playback can be performed even when performing special playback such as time search, chapter search, fast forward, and rewind, that is, even when playback is started from an arbitrary time.
  • special playback such as time search, chapter search, fast forward, and rewind
  • switching between the main image and the still image can be executed without delay.
  • still image information such as a bitmap or JPEG having a relatively large amount of data can be efficiently reproduced together with moving image information and audio information in any case. ⁇ Addition is effectively suppressed.
  • the entire stream in the present invention may include two or more partial streams (that is, video streams) including main video information as content information.
  • the entire stream is composed of a partial stream containing main video information as content information and a corresponding partial stream containing sub-video information (that is, a sub-picture stream) and a part containing audio information.
  • a stream ie, an audio stream).
  • the first read control flag indicates whether or not the read is necessary at the time of trick play including a time search instead of or in addition to the shift.
  • the second reading control flag indicates whether or not the reading is necessary at the time of the special reproduction including the time search instead of or in addition to the switching.
  • the still image information on the still image partial stream or the Reading of the still image control information is not performed. That is, reading and reproduction of image information in another partial stream (for example, a video stream or an audio stream) is performed with priority.
  • reading of still image information and still image control information on the partial stream for still images is executed.
  • the still image information and still image control information on the still image partial stream can be obtained. No reading is done. That is, Reading and playback of image information on other partial streams (eg, video stream and audio stream) is given priority.
  • reading of still image information and still image control information on the still image partial stream is executed. Therefore, in any case, it is possible to positively avoid a situation where the reproduction of the main video or the still image at the reproduction start position specified by the time search is delayed. In the case of special playback such as chapter search, fast forward, and rewind other than time search, it is also possible to positively avoid a situation in which playback of the main video or still image at the playback start point is delayed. .
  • the reproduction sequence information includes play list information that defines each reproduction sequence in a logically accessible playlist unit.
  • the flag indicates, as the play item, whether or not the reading is necessary at the time of transition between a plurality of play items constituting the play list.
  • the play item when the play item is transferred in the playback sequence, if it is indicated according to the first reading control flag that reading is not necessary, the still image on the still image partial stream is displayed. No information or still image control information is read.
  • the still image information and the still image control information on the partial stream for the still image are displayed. Is read. In any case, playback can be started satisfactorily in an arbitrary play item according to the playback sequence information and the first read control flag.
  • the object information file includes a plurality of multiplexed buckets and the plurality of multiplexed buckets as other reproduction control information for controlling reproduction of the object data file.
  • the object information file stores the correspondence definition information (for example, address information of a bucket for each partial stream or an ES map table including the same as described later) and other reproduction control information. Stored as Therefore, based on such playback control information and playback sequence information, the information playback device Object data can be reproduced.
  • correspondence definition information for example, address information of a bucket for each partial stream or an ES map table including the same as described later
  • the correspondence definition information includes address information including at least a part of a serial number of a packet constituting each partial stream and a display start time corresponding to the serial number. You may comprise so that it may have for every stream.
  • the information reproducing apparatus can appropriately reproduce a series of partial streams based on the address information of the packet corresponding to each partial stream.
  • the address information includes a serial number of a packet related to an I picture and a display start time corresponding to the serial number. May be configured.
  • the address of the bucket can be specified based on the serial number of the packet related to the I picture, and the I picture can be reproduced based on the corresponding display start time. Further, based on the I picture, a B picture and a P picture can be reproduced, and when there is audio information corresponding to such video information, the audio information can be reproduced. That is, it is possible to access the packet related to the I picture, and it is also possible to access the packet related to the video information and audio information related to the accessed I picture. It becomes playable.
  • the amount of information to be recorded on the information recording medium as a whole is not necessary. Reduction can be achieved.
  • the correspondence definition information includes table information indicating a bucket identification number uniquely assigned to a plurality of buckets multiplexed at the same time for each of the partial streams. Good.
  • a desired partial stream can be obtained at any playback time by referring to table information (for example, an ES map table or ES address information described later) indicating a packet identification number for each partial stream. You can quickly identify which packet the ream corresponds to. As a result, a desired partial stream can be reproduced.
  • each of the plurality of packets has a bucket header that stores time information (for example, ATC information to be described later) indicating a reproduction time on the reproduction time axis of the content information and does not store information indicating a serial number. hand Is also good. That is, according to the present invention, such reproduction according to time information can be executed without any problem without storing information indicating a serial number in the packet header of each packet as described above. Conversely, such a configuration can prevent the packet header from becoming too large.
  • the address information related to one partial stream other than the still image in the correspondence definition information is a predetermined condition among a plurality of packets constituting the one partial stream.
  • the address information on the partial stream for the still image in the correspondence definition information is the packet information whose position is specified by the address information on the one partial stream. It may be described by an entry section specified by two adjacent buckets in a sequence of only
  • the address information is such that, for a partial stream such as a video stream, address information relating to a bucket that satisfies a specific condition, such as the first packet of an I-picture, is included in the corresponding definition information. Is described.
  • the entry is specified by one entry specified by two adjacent packets.
  • the address information about the partial stream for a still image is described. In other words, for a packet constituting a partial stream for a still image, the entry section to which the recording position belongs is described instead of address information directly indicating the recording position.
  • the still image information or the still image information is stored within the specified entry section in the object data file. What is necessary is to search for the image control information. Thereby, the data amount of the address information can be reduced as a whole as compared with the case where the recording position of each bucket constituting the partial stream for a still image is described as address information in the correspondence definition information.
  • entry point J refers to a packet whose position is specified by ES address information
  • entity section means that the recording position is determined by the ES address information. Refers to each section on the TS object specified by two adjacent buckets in the sequence of only the specified buckets. Such an entry section is described not as between two consecutive numbers related to two packets but as between the display start times of the still image information related to the two packets. In this way, even if some packets are removed by editing or the like, and the serial numbers of the packets deviate from the beginning, there will be no deviation between the display times, and therefore, one entry Is not changed. However, in an environment where such editing work or the like can be ignored, the entry section may be described as between two consecutive numbers related to the two packets.
  • “specifying the entry section” in the object data file executed at the time of reproduction is performed, for example, in the first case where the serial number is “0” or “1” in each object data file.
  • the address of the packet that defines each end of one section of the entry is determined by the order of the packet from the reference packet (hereinafter referred to as “reference packet” as appropriate), such as the packet recorded in You only need to specify it.
  • reference packet such as the packet recorded in You only need to specify it.
  • such serial numbers start with the serial number “0” of the reference bucket in the object data file at the time of multiplex recording, and continue in ascending order according to the recording order.
  • the address of the packet referred to here may be a physical address, but is more generally a logical address, and the actual physical address is uniquely determined from the logical address by the file system management. It is of a specified nature.
  • the information such as still image information and still image control information is “contained in or located in one entry section” when all packets storing the information are referred to as “included in the entry section”.
  • the first packet storing the information is included in the entry section. That is, in the present application, the position of the still image information or the still image control information or the like usually means the position of the first packet (SPD or SCP described later) unless otherwise specified. However, it is also possible to substitute such a leading packet with a terminating packet—a central packet or a packet located at a predetermined position from the beginning.
  • the object information file includes, as the playback control information, a set of a plurality of partial streams that can be switched by the information playback device in the related group. Subgroup definition information to be defined as a subgroup is further stored.
  • the object information file stores the subgroup definition information (for example, PU information to be described later) as one of the reproduction control information for controlling the reproduction of the object data file by the information reproducing apparatus. I do. Therefore, based on the sub-groups (for example, PUs described later) of a plurality of partial streams that can be switched by the information reproducing device in the related group I described in the sub-group definition information, for example, The elementary stream that can be switched freely within a related group that has a specific relationship, such as multi-view broadcasting, Nike language broadcasting, and Nike language subtitle broadcasting, can be easily recognized on the information playback device side.
  • subgroup definition information for example, PU information to be described later
  • the related group definition information is defined so that the same content can belong to two or more sets, each of which is defined as a related group.
  • the subgroup definition information may be defined so that the same partial stream can belong to two or more sets defined as the subgroups in common.
  • the entire stream may include two or more partial streams composed of main video information as content information, and may include partial streams composed of main video information as content information.
  • the related group definition information may include information that defines a plurality of series of contents corresponding to one program consisting of a plurality of programs as the related group, or the plurality of contents corresponding to one program consisting of one program. May be defined as the related group.
  • the still image control information includes a display start time of a still image displayed based on the still image information and information indicating a display time of the still image.
  • the plurality of packets constituting at least one partial stream include a still image including at least one of the still image information and the still image control information.
  • Each packet includes a packet for storing a fragment of the still image information set, which is an information set and further includes structural information indicating its structure.
  • the still image information and the still image control information have a structure combined with the structure information as a still image information set, and the structure is indicated by the structure information.
  • the structure information is indicated by the structure information.
  • the object data file if structural information is obtained by accessing the first bucket of an arbitrary still image information set, all packets constituting the still image information set will be structured. Identified based on information (eg, by counting within the structure). In other words, it is possible to reduce the data amount of the address information in the correspondence definition information necessary to specify the address of the still image information or the still image control information or the entry section to be stored in the object information file.
  • the information recording device of the present invention physically accesses an entire stream including a plurality of partial streams each composed of a series of content information forming a series of contents on an information recording medium.
  • An information recording apparatus for performing multiplex recording in bucket units which are possible units, comprising a plurality of buckets each including a packet that stores a fragment of the content information as well as a logically accessible unit.
  • First recording means for recording an object data file for storing object data; second recording means for recording a reproduction sequence information file for storing reproduction sequence information for defining a reproduction sequence of the object data; and The reproduction control information for controlling the reproduction of the And a third recording unit that records an object information file that stores related group definition information that defines a set having a specific relationship as a related group among a plurality of pieces of content information that configures the ream.
  • One or more of the streams stores a plurality of packets for storing a fragment of still image information, which is one of the content information, and a fragment of still image control information for controlling display of the still image information. Multiple packets to be combined into one still image partial stream.
  • the playback sequence information is divided into two or more partial streams for still images, and the playback sequence information includes the still image information and the still image at the time of transition between playback items in each playback sequence.
  • a first read control flag indicating whether at least one of the image control information needs to be read, and the related group definition information needs to be read when switching each content belonging to the related group.
  • a second read control flag indicating whether or not this is the case.
  • an object data file for storing object data is recorded by first recording means such as a system controller, an encoder, a TS object generator described below, and an optical pickup.
  • a reproduction sequence information file for storing reproduction sequence information is recorded by a second recording means such as a system controller, an encoder, a TS object generator described later, and an optical pickup.
  • An object information file that stores related group definition information is recorded as reproduction control information by a third recording unit such as a photo generator or an optical pickup.
  • the reproduction sequence information includes a first read control flag
  • the related group definition information includes a second read control flag. Therefore, on the information recording medium of the present invention described above, various types of content information including still image information such as bitmap JPEG, such as at least a part of the transport stream of MPEG2, can be multiplex-recorded.
  • the information recording apparatus of the present invention can also adopt various aspects in correspondence with the various aspects of the information recording medium of the present invention described above.
  • the information recording method of the present invention physically stores an entire stream including a plurality of partial streams each composed of a series of content information on an information recording medium.
  • An information recording method for multiplex-recording in buckets that are accessible units comprising a plurality of buckets including buckets each storing a fragment of the content information together with a logically accessible unit.
  • An object that stores, as reproduction control information for controlling reproduction of object data, related group definition information that defines a set having a specific relation among a plurality of pieces of content information constituting the plurality of partial streams as a related group. And a plurality of buckets for storing a fragment of still image information, which is one of the content information, and a third recording step of recording the content information file.
  • a plurality of buckets storing fragments of the still image control information for controlling the display of the still image information are combined into one still image partial stream, or two or more still image portions.
  • the playback sequence information is included in the form of a stream.
  • a first read control flag indicating whether reading of at least one of the still image information and the still image control information is required, and the related group definition information is used when switching each content belonging to the related group.
  • a second read control flag indicating whether the read is necessary is included.
  • an object data file for storing object data is recorded in a first recording step, and a reproduction sequence information file for storing reproduction sequence information is recorded in a second recording step.
  • an object information file storing related group definition information is recorded as reproduction control information.
  • the reproduction sequence information includes a first read control flag
  • the related group definition information includes a second read control flag.
  • the information recording method of the present invention can also adopt various aspects in correspondence with the various aspects of the information recording medium of the present invention described above.
  • an information reproducing apparatus of the present invention is an information reproducing apparatus for reproducing the recorded content information from the above-described information recording medium (including various aspects thereof), Reading means for physically reading information from an information recording medium; and the reproduction control information and the reproduction system included in the information read by the reading means. And reproducing means for reproducing the object data included in the information read by the reading means based on the one piece of information.
  • information is physically read from the information recording medium in packet units or the like by reading means such as an optical pickup and a demodulator. Then, based on reproduction control information and reproduction sequence information included in the read information, object data included in the read information is reproduced by reproduction means such as a system controller, a demultiplexer, and a decoder. Therefore, the content information multiplex-recorded on the information recording medium of the present invention can be appropriately reproduced as a series of content information. At this time, in particular, still image information such as bitmaps and JPEGs having a relatively large data amount can be efficiently reproduced, and the increase in the load in the reproduction process is effectively suppressed.
  • the still image information or the still image It does not read image control information, but gives priority to the reproduction of main video (moving images), for example.
  • the first reading control flag indicates that reading is necessary
  • the still image information and the still image control information are read, for example, together with the reproduction of the main video (moving image) or the main video.
  • the still image is read based on the still image information and the still image control information.
  • the second read control flag indicates that reading is not necessary at the time of switching the content belonging to the related group or at the start of reproduction of arbitrary content by time search
  • the still image information and the still image control information Without reading, priority is given to playback of, for example, main video (moving images).
  • the still image information and the still image control information are read and, for example, together with the reproduction of the main video (moving image) or the like.
  • the still image reading based on the still image information and the still image control information is executed prior to the reproduction of the main video.
  • the information reproducing apparatus of the present invention can also search for various aspects.
  • the information reproducing method of the present invention employs the information recording method of the present invention described above.
  • An information reproducing method for reproducing said recorded content information from a recording medium comprising: a reading step of physically reading information from said information recording medium; and an information read by said reading step.
  • the information reproducing apparatus of the present invention in the reading step, information is physically read from the information recording medium in packet units or the like. Then, in the reproduction step, the object data included in the read information is reproduced based on the reproduction control information and the reproduction sequence information included in the read information. Therefore, the content information multiplex-recorded on the information recording medium of the present invention can be appropriately reproduced as a series of content information. At this time, in particular, still image information such as bitmaps and JPEGs having a relatively large data amount can be efficiently reproduced, and an increase in the load in the reproduction processing is effectively suppressed.
  • the information reproducing method of the present invention can also adopt various aspects in correspondence with the various aspects of the information recording medium of the present invention described above.
  • an information recording / reproducing apparatus of the present invention records the content information on the information recording medium of the present invention (including various aspects thereof) and reproduces the recorded content information.
  • An information recording / reproducing apparatus comprising: first recording means for recording the object data file; second recording means for recording the reproduction sequence information file; and third recording means for recording the object information file.
  • Reading means for physically reading information from the information recording medium; and information read by the reading means based on the reproduction control information and the reproduction sequence information contained in the information read by the reading means.
  • Reproducing means for reproducing the contained object data.
  • the first recording means records the object data file
  • the second recording means records the reproduction sequence information file. Record, and record the object information file by the third recording means.
  • information is physically read from the information recording medium by the reading means, and the information is read by the reproducing means. Based on the reproduction control information and the reproduction sequence information included in the read information, the object data included in the read information is reproduced.
  • various types of content information including still image information such as bitmap and JPEG, such as at least a part of the MPEG-2 transport stream, can be multiplex-recorded. Further, the multiplex-recorded content information can be appropriately reproduced, including reproduction of a still image.
  • the information recording / reproducing apparatus of the present invention can also adopt various aspects in correspondence with the various aspects of the information recording medium of the present invention described above.
  • an information recording / reproducing method of the present invention records the content information on the information recording medium of the present invention (including various aspects thereof) and reproduces the recorded content information.
  • An information recording / reproducing method comprising: a first recording step of recording the object data file; a second recording step of recording the reproduction sequence information file; and a third recording step of recording the object information file.
  • a reproducing step of reproducing the contained object data comprising: a first recording step of recording the object data file; a second recording step of recording the reproduction sequence information file; and a third recording step of recording the object information file.
  • an object data file is recorded in a first recording step, and a reproduction sequence information file is recorded in a second recording step. Record, and record the object information file in the third recording step.
  • the reading step physically reads the information from the information recording medium, and the reproducing step reproduces the reproduction control information and the reproduction control information included in the read information.
  • the object data included in the read information is reproduced based on the sequence information.
  • various types of content information including still image information such as bitmap and JPEG, such as at least a part of the MPEG-2 transport stream, can be multiplex-recorded. Further, the multiplex-recorded content information can be appropriately reproduced, including reproduction of a still image.
  • the information of the present invention corresponds to the various aspects of the information recording medium of the present invention described above.
  • the information recording / reproducing method can also adopt various aspects.
  • a recording control computer program of the present invention is a recording control computer program for controlling a computer provided in the above-described information recording apparatus of the present invention (including its various aspects).
  • the computer functions as at least a part of the first recording unit, the second recording unit, and the third recording unit.
  • the recording control computer program of the present invention if the computer program is read from a recording medium such as a ROM, a CD-ROM, a DVD-ROM, or a hard disk for storing the computer program and executed, Alternatively, if the computer program is executed after being downloaded to the computer via the communication means, the above-described information recording apparatus according to the present invention can be realized relatively easily.
  • a computer program for reproduction control of the present invention is a computer for reproduction control for controlling a computer provided in the above-described information reproducing apparatus of the present invention (including various aspects thereof).
  • the computer program for reproduction control of the present invention if the computer program is read from a recording medium such as a ROM, a CD-ROM, a DVD-ROM, or a hard disk storing the computer program and executed by the computer, Alternatively, if the computer program is executed after being downloaded to a computer via communication means, the above-described information reproducing apparatus according to the present invention can be realized relatively easily.
  • a computer program for recording / reproducing control is a computer program for controlling a computer provided in the information recording / reproducing apparatus of the present invention (including its various aspects).
  • the computer program causes the computer to function as at least a part of the first recording unit, the second recording unit, the third recording unit, and the reproducing unit.
  • a ROM, a CD-ROM, a DVD-ROM, a hard disk If the computer program is read and executed by a computer from a recording medium such as a computer, or the computer program is executed after being downloaded to a computer via a communication unit, the computer program according to the present invention described above.
  • An information recording / reproducing apparatus can be realized relatively easily.
  • the data structure including the control signal according to the present invention is designed so that an entire stream including a plurality of partial streams each composed of a series of content information is physically accessible.
  • Object that is multiplex-recorded in units of buckets that are logical units and that is a logically accessible unit and that stores object data consisting of a plurality of packets including packets that respectively store fragments of the content information.
  • a plurality of packets that store fragments of image information and a plurality of packets that store fragments of still image control information for controlling the display of the still image information are divided into partial streams for one still image.
  • the playback sequence information is composed in one form or divided into two or more partial streams for still images.
  • a second read control flag indicating whether or not the read is necessary when switching each content.
  • still image information such as a bit map or JPEG is compliant with the MPEG-2 transport stream, for example. It is possible to multiplex-record complex content information including, and to reproduce it including still image reproduction.
  • control of the present invention is performed.
  • the data structure including the control signal can also take various aspects.
  • a first program storage device of the present invention is a program storage device that can be read by a computer provided in an information recording device, in order to solve the above-mentioned problem. It explicitly embodies a computer program capable of executing the program.
  • a second program storage device is a program storage device readable by a computer provided in an information reproducing device, in order to solve the above-mentioned problem. It explicitly embodies a computer program capable of executing the program.
  • a third program storage device of the present invention is a program storage device that can be read by a computer provided in an information recording / reproducing device in order to solve the above-mentioned problem.
  • the computer program is read by a computer from a program storage device such as a ROM, a CD-ROM, a DVD-ROM, or a hard disk that stores the computer program.
  • a program storage device such as a ROM, a CD-ROM, a DVD-ROM, or a hard disk that stores the computer program.
  • a computer data signal embodied by the first transmission wave according to the present invention is a series of computer data signals for causing a computer provided in an information recording apparatus to execute the information recording method according to the present invention. Indicates an instruction.
  • a computer data signal embodied by the second transmission wave of the present invention is a series of computer data signals for causing a computer provided in an information reproducing apparatus to execute the above-described information reproducing method of the present invention. Indicates an instruction.
  • a computer data signal embodied by the third transmission wave according to the present invention is configured to cause a computer provided in an information recording / reproducing apparatus to execute the above-described information recording / reproducing method of the present invention in order to solve the above-mentioned problems.
  • a computer provided in an information recording / reproducing apparatus to execute the above-described information recording / reproducing method of the present invention in order to solve the above-mentioned problems.
  • Here is a simple sequence of instructions.
  • a computer data signal embodied by the first, second or third transmission wave of the present invention According to the above item, if the computer program is downloaded to a computer by a computer data signal via a computer network or the like and executed, the information recording method, the information reproducing method or the information recording / reproducing method according to the present invention described above. Can be realized relatively easily.
  • FIG. 1 shows a basic structure of an optical disc which is an embodiment of the information recording medium of the present invention.
  • An upper part is a schematic plan view of an optical disc having a plurality of areas, and a lower part corresponding thereto is: It is a schematic conceptual diagram of the area structure in the radial direction.
  • FIG. 2 is a schematic conceptual diagram of a conventional MPEG 2 program stream (FIG. 2 (a)) and a schematic conceptual diagram of an MPEG 2 transport stream used in the present embodiment (FIG. 2 (b)). ).
  • FIG. 3 is a diagram schematically showing a data structure recorded on the optical disc of the present embodiment.
  • FIG. 4 is a diagram schematically showing details of a data structure in each object shown in FIG.
  • FIG. 5 shows a multiplexed elementary stream for the upper program # 1 and an elementary stream for the middle program # 2 in this embodiment, and a transport for these two programs.
  • FIG. 3 is a diagram conceptually showing how a stream is formed, with the horizontal axis as a time axis.
  • FIG. 6 conceptually illustrates an image of a TS bucket multiplexed in one transport stream in the present embodiment as a packet arrangement along time.
  • FIG. 7 is a diagram schematically illustrating a logical configuration of data on an optical disc in the embodiment, focusing on development from a logical hierarchy to an object hierarchy or a physical hierarchy.
  • FIG. 8 is a block diagram of the information recording / reproducing apparatus according to the embodiment of the present invention.
  • FIG. 9 is a flowchart showing a recording operation (part 1) of the information recording / reproducing apparatus in the present embodiment. It is a one-chart.
  • FIG. 10 is a flowchart showing a recording operation (No. 2) of the information recording / reproducing apparatus in the present embodiment.
  • FIG. 11 is a flowchart showing a recording operation (part 3) of the information recording / reproducing apparatus in the present embodiment.
  • FIG. 12 is a flowchart showing a recording operation (part 4) of the information recording / reproducing apparatus in the present embodiment.
  • FIG. 13 is a flowchart showing a reproducing operation of the information recording / reproducing apparatus in the present embodiment.
  • FIG. 14 is a conceptual diagram showing an example of a data structure in the ES address information relating to the video stream constructed in the ES map table in the object information in the embodiment.
  • FIG. 15 is a conceptual diagram schematically showing an example of the position of the TS packet registered in the ES address information of the video stream on the TS object with respect to the time axis.
  • FIG. 16 is a conceptual diagram showing the contents of SP data, SP control information, and structure information according to the first method of acquiring SP data and SP control information in the embodiment.
  • FIG. 17 is a diagram illustrating a subpicture structure according to the embodiment.
  • FIG. 18 is a conceptual diagram showing the packet arrangement conditions adopted in the first acquisition method on the time axis of the TS object.
  • FIG. 19 is a conceptual diagram showing an acquisition procedure in the first acquisition method.
  • FIG. 20 is a conceptual diagram showing the data structure of the ES address information related to the sub-picture stream in the TS object shown in FIG.
  • FIG. 21 is a conceptual diagram showing the structure information, the SP control information, and the contents of the SP data according to the second method of acquiring the SP data and the SP control information in the embodiment.
  • FIG. 22 is a conceptual diagram showing an acquisition procedure in the second acquisition method.
  • FIG. 4 is a conceptual diagram showing a data structure of ES address information relating to a system.
  • FIG. 24 is a conceptual diagram showing a specific example of the structure information and the SP control information according to the second acquisition method.
  • FIG. 25 is a diagram schematically illustrating a data configuration of a TS object # 3 including a sub-picture stream in a specific example according to the present embodiment.
  • FIG. 26 is a diagram schematically illustrating a data configuration of a TS object # 4 including a sub-picture stream in a specific example according to the present embodiment.
  • FIG. 27 is a diagram schematically showing the data configuration of PAT and PMT in the TS # 3 object of FIG.
  • FIG. 28 is a diagram schematically showing the data configuration of PAT and PMT in the TS # 4 object of FIG.
  • FIG. 29 is a diagram schematically showing a data configuration constructed including the T S objects shown in FIGS. 26 to 28 in a specific example according to the present embodiment.
  • FIG. 30 is a diagram schematically illustrating a specific example of the data configuration of the disk information file in a specific example according to the present embodiment.
  • FIG. 31 is a diagram schematically illustrating a specific example of a data configuration of a title information table included in a disk information file in a specific example according to the present embodiment.
  • FIG. 32 is a diagram schematically illustrating a specific example of a data configuration in a playlist information table constructed in a playlist information file in a specific example according to the present embodiment.
  • FIG. 33 is a diagram schematically illustrating a specific example of the data configuration of the AU table constructed in the object information file in one specific example according to the present embodiment.
  • FIG. 9 is a diagram schematically showing a specific example of a data configuration in an ES map table constructed in an object information file in a specific example.
  • FIG. 35 is a diagram conceptually showing the entire access flow at the time of reproduction in relation to the logical structure of the optical disk in the present embodiment.
  • the information recording medium of the present invention is applied to an optical disk of a type capable of recording (writing) and reproducing (reading).
  • FIG. Figure 1 the basic structure of the optical disc of the present embodiment will be described with reference to FIG. Figure 1 here is because the structure of an optical disc having a plurality of Eria upward together shown in schematic plan view, with an indication in association with Eria structure in the radial direction in the conceptual diagram in the lower 0
  • the optical disc 100 can be recorded by various recording methods, such as a magneto-optical method and a phase change method, which can record (write) plural times or only once.
  • a magneto-optical method and a phase change method which can record (write) plural times or only once.
  • the lead area 104, the data area 106 and the lead-out area 108 Is provided.
  • a group track and a land track are alternately provided spirally or concentrically around the center hole 102, and this group track may be coupled. Prepits may be formed on one or both of these tracks.
  • the present invention is not particularly limited to an optical disk having such three areas.
  • Fig. 2 (a) schematically shows the configuration of an MPEG 2 program stream in a conventional DVD for comparison
  • Fig. 2 (b) shows the MPEG 2 transport stream ( TS) is shown schematically.
  • one program stream includes only one video stream for video data as main video information along the time axis t, and further includes an audio stream for audio data as audio information. It contains a maximum of 8 streams and a maximum of 32 sub-picture streams for sub-picture data as sub-picture information. That is, the video data multiplexed at an arbitrary time tX is related to only one video stream, for example, a plurality of television programs or a plurality of movies. It is not possible to simultaneously include multiple video streams corresponding to such as in the program stream. In order to multiplex and transmit or record television programs with video, at least one video stream is required for each television program, so there is only one video stream.DVD With this program stream format, it is not possible to multiplex and transmit or record multiple TV programs.
  • one transport stream includes a plurality of video streams as elementary streams (ES) for video data as main video information, and further includes audio information.
  • the video data multiplexed at an arbitrary time tX relates to a plurality of video streams.
  • a plurality of video streams corresponding to a plurality of television programs or a plurality of movies are simultaneously transported.
  • a plurality of television programs and the like can be multiplexed and transmitted or recorded.
  • digital broadcasts that use the current transport stream do not transmit sub-picture streams.
  • the video stream, the audio stream, and the sub-picture stream are arranged from the top in this order, but the packet order is as described later. It does not correspond to the order of multiplexing in units.
  • the transport stream conceptually corresponds to, for example, a group of one video stream, two audio streams, and two sub-picture streams for one program.
  • the optical disc 100 of the present embodiment described above is capable of multiplex-recording a transport stream (TS) including a plurality of elementary streams (ES) within the limitation of the recording rate. That is, a plurality of programs or programs can be simultaneously recorded.
  • TS transport stream
  • ES elementary streams
  • FIGS. 3 schematically shows a data structure recorded on the optical disc 100
  • FIG. 4 schematically shows a detailed data structure in each object shown in FIG. It is shown in FIG.
  • a “title” is a playback unit that continuously executes a plurality of “playlists”, and has a logically large unit, such as one movie or one TV program. Units.
  • “Playlist J is a file that stores information necessary to play back an" object ". It is a set of” items "that each store information about the playback range of an object to access the object. It is configured. More specifically, each item describes “IN point information” indicating the start address of the object and “OUT point information” indicating the end address. Note that these “IN point information” and “OUT point information” may each directly indicate an address, or may indirectly indicate an address such as time or time on a reproduction time axis.
  • the “object” is the entity information of the content constituting the transport stream of the MPEG2 described above.
  • the optical disc 100 has a logical structure of a disc information file 110, a play (P) list information file 120, an object information file 130, and an object data file 14. 0 files are provided, and a file system 105 for managing these files is further provided.
  • FIG. 3 does not directly show the physical data arrangement on the optical disc 100, the arrangement order shown in FIG. 3 must be recorded so as to correspond to the arrangement order shown in FIG. That is, it is also possible to record the file system 105 etc. in the data recording area 106 following the lead-in area 104, and further record the object data file 140 etc. in the data recording area 106. It is. Even if the lead-in area 104 and the lead-out area 108 shown in FIG. 1 do not exist, the file structure shown in FIG. 3 can be constructed.
  • the disc information file 110 is a file that stores comprehensive information on the entire optical disc 100, and includes a disc general information 112, a title information table 114, and other information 118. Is stored.
  • Disc general information 1 1 2 For example, the total number of titles in the optical disc 100 is stored.
  • the title information table 114 stores, as logical information, the type of each title (for example, sequential playback type, branch type, etc.) and the play (P) list number that constitutes each title for each title. I do.
  • the play list information file 120 stores a play (P) list information table 121 indicating a logical configuration of each play list, which is composed of play (P) list general information 122. And a play (P) list pointer 124, a plurality of play (P) lists 126 (P lists #l to #n), and other information 128.
  • the logical information of each playlist 126 is stored in the order of the playlist number. In other words, the order in which each playlist 1 26 is stored is the playlist number.
  • the same playlist 126 can be referenced from a plurality of titles. In other words, even when the title #n and the title #m use the same playlist #p, the playlist #p in the playlist information table 12 1 and the title information table 1 It may be configured to point at 14.
  • the object information file 130 stores the storage location (that is, the logical address to be reproduced) in the object data file 140 for each item included in each playlist 126, and the information of the item. Various attribute information related to playback is stored.
  • the object information file 130 contains a plurality of AU (associate unit) information 1321 (AU # l to AU # q) described in detail later.
  • Table 13 1, ES (elementary stream) map table 1 34, and other information 1 3 8 are stored.
  • the object data file 140 stores a plurality of transport stream (TS) -specific TS objects 142 (TS # 1 object to TS #s object) and the actual data of the content to be played immediately. I do.
  • TS transport stream
  • the four types of files described with reference to FIG. 3 can be further divided into a plurality of files and stored, and all of them can be managed by the file system 105.
  • the object data file 140 is divided into object data file # 1, object data file # 2, and so on. It is also possible to divide.
  • the TS object 142 shown in FIG. 3, which is a logically reproducible unit, is divided into a plurality of aligned units 144 each having a data amount of, for example, 6 kB. It becomes.
  • the beginning of the aligned unit 144 coincides with the beginning of the TS object 144 (aligned).
  • Each aligned unit 1.43 is further subdivided into a plurality of source packets 144 each having a data amount of 192B.
  • the source packet 144 is a physically reproducible unit, and at least video data, audio data and sub-picture data of the data on the optical disk 100 are multiplexed in this unit, ie, packet unit. Other information may be multiplexed in the same manner.
  • Each source packet 144 has a data amount of 4 B, and controls reproduction of a packet rival time stamp or the like indicating a reproduction start time of a TS (Transport Stream) packet on the reproduction time axis. And a TS bucket 146 having a data amount of 188 B.
  • the TS packet 146 has a packet header 146a at the beginning thereof and has a packet payload as an actual data portion following the packet header 146a, and the video data is packetized and referred to as a "video packet".
  • the audio data is packetized into an “audio packet”, or the sub-picture data is packetized into a “sub-picture packet”, or other data. Is packetized.
  • FIG. 5 shows that the elementary stream (ES) for the upper program # 1 (PG1) and the elementary stream (ES) for the middle program # 2 (PG2) are multiplexed.
  • the transport stream (TS) for these two programs (PG 1 & 2) is conceptually shown with the horizontal axis as the time axis.
  • Figure 6 shows one transport stream.
  • the image of ⁇ s packets multiplexed in (TS) is conceptually shown as a packet distribution (1) along time.
  • Fig. 5 shows that the elementary stream (ES) for the upper program # 1 (PG1) and the elementary stream (ES) for the middle program # 2 (PG2) are multiplexed.
  • the transport stream (TS) for these two programs (PG 1 & 2) is conceptually shown with the horizontal axis as the time axis.
  • Figure 6 shows one transport stream.
  • the image of ⁇ s packets multiplexed in (TS) is conceptually shown as a packet distribution (1) along time.
  • the elementary stream for program # 1 (upper part) is composed of, for example, a TS packet 146 in which video data for program # 1 is packetized on the time axis (horizontal axis). On the other hand, they are arranged discretely.
  • the elementary stream (middle) for program # 2 is, for example, a TS packet 146 in which video data for program # 2 is packetized and arranged discretely with respect to the time axis (horizontal axis). That's it. Then, these TS packets 146 are multiplexed to construct a transport stream (lower) for these two programs.
  • the audio data is actually packetized as an elementary stream for program # 1, as shown in FIG. 2 (b).
  • Elementary lease stream consisting of TS packets.
  • a sub-picture stream consisting of TS packets in which sub-picture data is bucketed may be similarly multiplexed.
  • an elementary lease for program # 2 As the stream, an elementary stream composed of a TS bucket in which audio data is bucketed or a sub-picture stream composed of a TS packet in which sub-picture data is bucketed may be similarly multiplexed.
  • one TS stream is constructed from a large number of TS buckets 146 multiplexed in this way. Then, a large number of TS packets 146 are multiplexed and recorded on the optical disc 100 in such a multiplexed form with the information of the packet arriving time stamps 144 added thereto.
  • the number indicating the order of each stream is indicated by "E1ement (i0j)", and this (i0j) is the identification number of TS packet 146 by elementary stream. It is the packet ID.
  • This packet ID is unique among a plurality of TS packets 146 multiplexed at the same time so that even if a plurality of TS buckets 146 are multiplexed at the same time, they can be distinguished from each other. Value has been assigned.
  • the PAT Program Association Table
  • PMT Program Map Table
  • PAT is a text that indicates the packet ID of multiple PMTs. Stores one bull.
  • the MPEG2 standard specifies that a PAT is given a (0000) as a predetermined packet ID as shown in FIG. That is, among many packets multiplexed at the same time, the TS packet 146 having the PAT is detected as the TS packet 146 having the packet ID (00 0). It is configured to:
  • the PMT stores, for one or a plurality of programs, a table indicating a bucket ID for each elementary stream constituting each program.
  • An arbitrary bucket ID can be assigned to the PMT, and those packet IDs are indicated by the PAT whose packet ID can be detected as (000) as described above. Therefore, among the many packets multiplexed at the same time, the TS packet 146 (that is, the packet ID (100), (200), (3 It is configured to be detected by a TS packet to which 0 0) is assigned.
  • the tuner refers to the PAT and PMT configured as described above to select a desired element from among the multiplexed packets. Those that correspond to the lease stream can be extracted and demodulated.
  • such a PAT or PMT packet is included as the TS packet 144 stored in the TS object 142 shown in FIG. That is, when the transport stream as shown in FIG. 6 is transmitted, there is obtained a great advantage that the data can be recorded on the optical disc 100 as it is.
  • the PAT or PMT recorded in this manner is not referred to when the optical disc 100 is reproduced, and instead, the AU tapes 13 1 and ES which will be described in detail later with reference to FIG.
  • the map table 134 By referring to the map table 134, more efficient reproduction can be performed, and complicated multi-vision reproduction can be dealt with. For this reason, in the present embodiment, for example, the correspondence between the elementary stream and the packet obtained by referring to the PAT and PMT at the time of demodulation and recording is described by the AU table 13 1 and the ES map table 1. It is stored in the object information file 130 in the form of 34 and without packetization or multiplexing.
  • FIG. 7 schematically shows the logical composition of data on the optical disc 100, focusing on the development from the logical hierarchy to the object hierarchy or the entity hierarchy.
  • titles 200 which are logically large groups such as one movie and one television program, are recorded on the optical disc 100, for example.
  • Each title 200 is logically composed of one or more playlists 126. Within each title 200, a plurality of playlists may have a sequential structure or a branch structure.
  • one title 200 is composed of one playlist 126 power. It is also possible to refer to one playlist 126 from a plurality of titles 200.
  • Each playlist 1 26 is logically composed of a plurality of items (play items) 204.
  • the plurality of items 204 may have a sequential structure or a branch structure. It is also possible to refer to one item 204 from a plurality of playlists 126.
  • the reproduction range of the TS object 142 is logically specified by the above-described IN point information and OUT point information described in the item 204. Then, by referring to the object information 130d for the logically specified reproduction range, the reproduction range of the TS object 142 is finally physically specified via the file system. Is done.
  • the object information 130 d is attribute information of the TS object 142, and TS object information such as ES address information 134 d required for data search in the TS object 142. 2 includes various information for reproducing (the ES map table 134 shown in FIG. 3 includes a plurality of such ES address information 134d).
  • the physical address to be reproduced in the TS object 142 is obtained from the item 204 and the object information 130d. Then, the reproduction of the desired elementary stream is executed.
  • the ES map table 13 of the IN point information and the OUT point information described in the item 204 and the object information 130 d is described. Based on the ES address information 134d described in 4 (see Fig. 3), association from the logical hierarchy to the object hierarchy in the playback sequence is executed, and the elementary stream can be played back.
  • multiplex recording is performed on the optical disc 100 in units of TS buckets 146, whereby a large number of elemental elements as shown in FIG.
  • the transport stream including the lease stream can be multiplex-recorded on the optical disc 100.
  • a plurality of programs or a plurality of programs can be recorded simultaneously within the limit of the recording rate.
  • a method of multiplexing and recording a plurality of programs or a plurality of programs into 2 is adopted.
  • an embodiment of an information recording / reproducing apparatus capable of executing such a recording process will be described.
  • FIG. 8 is a block diagram of the information recording / reproducing apparatus
  • FIGS. 9 to 13 are flowcharts showing the operation.
  • an information recording / reproducing device 500 is roughly divided into a reproducing system and a recording system, and is capable of recording information on the optical disk 100 described above and reproducing the information recorded thereon. It is configured to be possible.
  • the information recording / reproducing device 500 is for recording / reproducing as described above.
  • the embodiment of the recording device of the present invention can be constituted from its recording system part.
  • an embodiment of the information reproducing apparatus of the present invention can be constructed from the reproducing system.
  • the information recording / reproducing device 500 includes an optical pickup 502, a service unit 503, a spindle motor 504, a demodulator 506, a demultiplexer 508, a video decoder 511, and an audio decoder 511. 2, sub-picture decoder 5 1 3, adder
  • the system controller 520 stores the file (Fi 1 e) system System / logical structure data generator 52 1 and file (Fi 1 e) system Z Logical structure data reader 5 2 2 is provided. Further, a memory 530 and a user interface 720 for performing user input such as title information are connected to the system controller 520. .
  • a reproducing system is generally configured.
  • a recording system is configured.
  • the optical pickup 502, the service unit 503, the spindle motor 504, the system controller 520, the memory 530, and a user interface 72 for performing user input of title information and the like. 0 is generally shared by both the reproduction system and the recording system.
  • a TS object data source 700 for the recording system, a TS object data source 700, a video data source 711, an audio data source 712, and a sub-picture data source 713 are prepared.
  • the file system logical structure data generator 521 provided in the system controller 520 is mainly used in the recording system, and the file system / logical structure reader 522 is mainly used in the reproducing system. Can be
  • the optical pickup 502 irradiates the optical disk 100 with an optical beam LB such as a laser beam at a first power as a reading light at the time of reproduction and at a second power as a writing light at the time of recording. Irradiation is performed with modulation.
  • the servo unit 503 performs the focus servo, tracking servo, etc. in the optical pickup 502 under the control of the control signal Sc1 output from the system controller 520 during reproduction and recording.
  • Spindle servo in spindle motor 504 is performed.
  • the spindle motor 504 is configured to rotate the optical disc 100 at a predetermined speed while receiving spindle servo from the servo unit 503.
  • the recording system of the information recording / reproducing device 500 is configured.
  • the specific configuration of each component and the operation thereof will be described for each case.
  • a TS object data source 700 is composed of, for example, a recording storage such as a video tape or a memory, and stores TS object data D1.
  • step S21: Yes and step S22 information of each title logically configured on the optical disc 100 using the TS object data D 1 (for example, ', the configuration of a playlist, etc.) is'
  • the information is input to the system controller 520 as a user input I2 such as title information.
  • the system controller 520 fetches a user input I2 such as title information from the user interface 720 (step S21: Yes and step S22).
  • the user interface 720 receives control based on the control signal Sc 4 from the system controller 520 and responds to the content to be recorded, for example, selection via the title menu screen.
  • Input processing is enabled. If the user input has already been executed (step S21: No), these processes are omitted.
  • the TS object data source 700 outputs TS object data D1 under the control of a control signal Sc8 instructing data reading from the system controller 520.
  • the system controller 520 fetches the TS object data D1 from the TS object source 700 (step S23), and performs the TS analysis function in the file system / logical structure data generator 521. For example, based on the PAT, PMT, etc. bucketed together with the video data as described above, the data array (for example, recording data length, etc.) in the TS object data D1 and the configuration of each elementary stream are analyzed. (For example, understanding of ES—PID (elementary stream 'packet identification number) described later) and the like (step S24).
  • the system controller 520 obtains the file system / logical structure data from the user input I2 such as the acquired title information and the data array of the TS object data D1 and the analysis result of each elementary stream.
  • Generator 5 According to 21, a disk information file 110, a playlist information file 120, an object information file 130, and a file system 105 (see FIG. 3) are created as logical information file data D 4. (Step S25).
  • the memory 530 is used when creating such logical information file data D4.
  • a formatter 608 is a device for performing a data array format for storing both the TS object data D 1 and the logical information file data D 4 on the optical disc 100. More specifically, the formatter 608 includes a switch Sw 1 and a switch Sw 2, and is controlled by a switch control signal Sc 5 from the system controller 520, thereby obtaining a TS object.
  • the switch Sw1 is connected to the 1 side and the switch Sw2 is connected to the 1 side, and the TS object data D from the TS object data source 700 is connected. Outputs 1. Note that the transmission control of the TS object data D1 is performed by a control signal Sc8 from the system controller 520.
  • the formatter 608 is controlled by the switch control signal Sc5 from the system controller 520 to control the switch Sw2. It is configured to connect to the 2 side and output the logical information file data D4.
  • step S26 of FIG. 9 the switching control by the formatter 608 configured as described above allows (i) the logical information file from the file system / logical structure data generator 521 in step S25.
  • the data D4 or (ii) the TS object data D1 from the TS object data source 700 is output via the formatter 608 (step S26).
  • the selected output from the formatter 608 is sent to the modulator 606 as the disk image data D5, modulated by the modulator 606, and then transmitted to the optical disk 100 via the optical pickup 502. It is recorded (step S27).
  • the disk recording control at this time is also executed by the system controller 520. ' If both the logical information file data D4 generated in step S25 and the corresponding TS object data D1 have not been recorded, the process returns to step S26 to continue recording. (Step S28: No).
  • the recording order of the logical information file data D4 and the corresponding TS object data D1 may be either earlier or later.
  • step S29 determines whether or not to end recording on the optical disc 100 based on the presence or absence of an end command.
  • step S29: No Return to step S21 and continue the recording process.
  • step S29: Yes if the processing should be terminated (step S29: Yes), a series of recording processing ends.
  • the information recording / reproducing device 500 performs the recording process when using the created TS object.
  • step S25 after the logical information file data D4 is created in step S25, the logical information file data D4 and the corresponding TS object data D1 are created in step S26.
  • the data output is executed, but before step S25, the output of TS data and the recording on the optical disk 100 are performed, and after or in parallel with this recording. Then, the logical information file data D4 can be generated and recorded.
  • the TS object data source 700 is composed of, for example, a receiver (set-top box) that receives the digital broadcast being broadcast.
  • D1 is received and transmitted to the formatter 608 in real time (step S41).
  • the reception information D 3 including the program configuration information decrypted at the time of reception and ES-PID information described later. (That is, information corresponding to data sent via the receiver and the interface of the system controller 520) is taken into the system controller 520 and stored in the memory 530 (step S444). .
  • the TS object data D1 output to the formatter 608 is output to the modulator 606 by the switching control of the formatter 608 (step S42), and recorded on the optical disk 100. (Step S43).
  • the file system / logical structure generator 5 2 1 is used by using the program configuration information and ES-PID information contained in the reception information D 3 fetched at the time of reception and stored in the memory 530.
  • To create logical information file data D4 (step S24 and step S25).
  • the logical information file data D4 is additionally recorded on the optical disc 100 (steps S46 and S47). The processing in steps S24 and S25 may be performed after step S43.
  • the user input I2 such as title information from the user interface 720 is stored in the program stored in the memory 530.
  • the logical information file data D4 may be additionally recorded on the optical disk 100.
  • the information recording / reproducing device 500 performs the recording process when the transport stream being broadcast is received and recorded in real time. If all received data at the time of broadcasting is temporarily stored in the archive device, and this is used as the TS object source 700, the same processing as in the above-mentioned "when using a created TS object" is sufficient. .
  • the video data source 711, the audio data source 71 12, and the Each of the sub-picture data sources 713 includes a recording storage such as a video tape or a memory, and stores video data DV, audio data DA, and sub-picture data DS, respectively.
  • These data sources receive video data DV, audio data DA, and sub-picture data DS under the control of a control signal Sc8 for instructing data read from the system controller 520, respectively.
  • 6 11, the audio encoder 6 12 and the sub-picture encoder 6 13 step S 6 1).
  • a predetermined type of encoding process is executed by the video encoder 611, the audio encoder 612, and the sub-picture encoder 613 (step S62).
  • the TS object generator ⁇ 10 is controlled by the control signal Sc6 from the system controller 520, and converts the data thus encoded into TS object data forming a transport stream ( Step S63).
  • the data arrangement information for example, recording data length, etc.
  • the configuration information of each elementary stream for example, ES_PID described later
  • the TS object data generated by the TS object generator 610 is sent to the switch SW1 of the formatter 608 at the 2 side. That is, when the TS object data from the TS object generator 610 is formatted, the formatter 608 is subjected to switching control by the switch control signal Sc 5 from the system controller 520, and the switch S w By connecting 1 to the 2 side and connecting the switch Sw 2 to the 1 side, the corresponding TS object data is output (step S64). Subsequently, the TS object data is recorded on the optical disc 100 via the modulator 606 (step S65).
  • the file system / logical structure generator 52 is used by using the data arrangement information of each TS object data and the configuration information of each elementary stream, which are taken into the memory 530 as the information I 6.
  • the logical information file data D4 is created by 1 (step S24 and step S25).
  • a series of TS objects After the recording of the tact data D2, this is additionally recorded on the optical disk 100 (steps S67 and S688).
  • the processing in steps S24 and S25 may also be performed after the end of step S65.
  • the user input I2 such as title information from the user interface 720 is stored in these memories 530.
  • the logical information file data D 4 may be created by the file system / logical structure generator 5 21 by adding the information to the information, and may be additionally recorded on the optical disc 100.
  • the information recording / reproducing device 500 performs the recording process when recording separately prepared video data, audio data, and sub-picture data.
  • the authoring system by combining the recording processes in the above three cases, the authoring system generates a TS object, generates logical information file data, and the like in advance (step S81), and then executes the formatter.
  • the processing up to the switching control performed in step 608 is completed (step S82).
  • the information obtained by this operation is sent out as disc image data D5 to the modulator 606 provided before and after the disc master cutting machine (step S83), and the master is created by this cutting machine. Perform (Step S84).
  • the still picture is included in the sub-picture data.
  • Data relating to image information and its control information for example, SP data, SP control information, their structure information or a header, which will be described later
  • SP data identification flag, SCP identification flag, etc. in the generation of the logical information file data in step S25, etc., and through the formatter 608, into part of the object information file 130 (see FIG. 3), etc. It is recorded in a form associated with the still image information (for example, in a table format associated with “entry section” described later).
  • a title to be reproduced from the optical disc 100 and its reproduction conditions are input to the system controller as a user input I2 such as title information by a user interface 720.
  • the user interface 720 is controlled by the control signal Sc4 from the system controller 520, and responds to the content to be reproduced, for example, selection via a title menu screen. Input processing is enabled.
  • the system controller 520 controls the disk reproduction for the optical disk 100, and the optical pickup 502 sends the read signal S7 to the demodulator 506.
  • the demodulator 506 demodulates the recording signal recorded on the optical disc 100 from the read signal S7 and outputs it as demodulated data D8.
  • Logical information file data as an unmultiplexed information part included in the demodulated data D8 (that is, the file system 105, disk information file 110, and P list information file shown in FIG. 3)
  • the 120 and the object information file 130) are supplied to the system controller 520.
  • the system controller 520 executes various reproduction controls such as a reproduction address determination process and a control of the optical pickup 502.
  • the demultiplexer 508 is controlled by the control signal Sc2 from the system controller 520.
  • Demultipletus when access to the playback position address is completed by the playback control of the system controller 520, the control signal Sc2 is transmitted so as to start the demultipletus.
  • a video packet, an audio packet, and a sub-picture packet are transmitted, respectively, to the video decoder 511, the audio decoder 511, and the sub-picture decoder 513. Supplied. Then, the video data DV, the audio data DA and the sub-picture data DS are respectively decoded. Note that the PAT or PMT bucket included in the transport stream shown in FIG. 6 is included as a part of the demodulated data D8, but discarded by the demultiplexer 508. Is done.
  • the adder 5 14 was controlled by the control signal S c 3 instructing the mixing from the system controller 5 20, and was decoded by the video decoder 5 11 and the sub-picture decoder 5 13 respectively. Video data DV and sub-picture data DS are mixed or superimposed at a predetermined timing. The result is output as a video output from the information recording / reproducing device 500 to, for example, a television monitor.
  • the audio data DA decrypted by the audio decoder 512 is output as an audio output from the information recording / reproducing device 500 to, for example, an external speaker.
  • a title is selected by the user interface 720 (step S11), and a reproduction sequence by the system controller 520 is obtained from the read result of the file system / logical structure reader 522.
  • the acquisition of the information about is performed. Specifically, the processing of the logical hierarchy (that is, the information indicating the playlist structure and the structure of the information) (Eg, acquisition of information on each item to be performed (see FIG. 7)) (Step S12). Thereby, the reproduction target is determined (step S13).
  • an object information file 130 relating to the TS object to be reproduced is obtained.
  • AU (association unit) information 1322I and PU (presentation unit) information 302I are also stored in the object information file. It is acquired as the information stored in 130 (step S14). Based on the acquired information, the above-described logical hierarchy is associated with the object hierarchy (see FIG. 7).
  • step S15 the object to be reproduced and the reproduction address are determined (step S15), and then the processing of the object hierarchy is started, that is, the actual reproduction is started. Start (step S 16).
  • Step S17 it is monitored whether or not a “scene switch” command input corresponding to switching of PU 302 within AU 132 based on AU information 13.21 and PU information 3021, as described later, is performed.
  • Step S17 If there is a command input of "scene switching” (step S17: Yes), the process returns to step SI5, and the processes in steps S15 to S17 are repeatedly executed.
  • step S18 it is determined whether there is a command input to end the reproduction process.
  • Step S18 it is determined whether there is a command input to end the reproduction process.
  • Step S18 if there is no command input for terminating (Step S18: No) the process returns to Step S11 and repeats the processes in Steps S11 to S18.
  • Step S18 if there is a command input for terminating (Step S18: Yes, a series of reproduction processing is terminated.
  • the sub-picture data decoded by 5 13 is temporarily stored in the memory 540 functioning as a buffer, and then, as described below, the temporarily stored sub-picture.
  • At least one of the SP data (still image data) and the SP control information (still image control data) included in the data is read out under the control of the control signal Sc 5 from the system controller 520.
  • SP control information By applying SP control information to the data, a still image is displayed as part or all of the video output.
  • the SP control information may be configured to be temporarily stored in a dedicated area of the memory 530 (that is, only the SP data is temporarily stored in the memory 540). .
  • This acquisition method is executed mainly by the information recording / reproducing device 500 (see FIG. 8) based on the ES address information in the object information and the SP data and SP control information in the sub-picture structure. Things.
  • FIG. 14 is a table showing an example of a data structure in the ES address information relating to the video stream constructed in the ES map table in the object information
  • FIG. 16 is a table showing the contents of SP data and SP control information and structural information according to the first acquisition method
  • FIG. 17 is a diagram showing three types of these three data or information.
  • Fig. 3 schematically shows a sub-picture structure.
  • FIG. 18 schematically shows the arrangement conditions of the first bucket of I picture, SP data, and SP control information used in the first acquisition method on the time axis of the TS object
  • Fig. 19 shows FIG. 20 schematically shows an acquisition procedure in the first acquisition method.
  • FIG. 20 shows ES address information relating to a sub-picture stream in the TS object II shown in FIG. 19, which is constructed in the ES map table. The data structure is shown in a table.
  • the ES (elementary stream) address information of the video stream shown in Fig. 14 is part of the ES address information 1 34 d (see Fig. 7) in the ES map table 13 4 shown in Fig. 3. It is described as Here, the video stream is an index # 14 elementary stream shown in the ES map table of FIG. 34 described in detail later.
  • the content of the ES address information only a packet that satisfies a predetermined condition on the video stream has the packet number c! , R, s, t, u, ... (for example, the serial number of the bucket in the TS object, hereinafter appropriately referred to as "packet number") and the corresponding display start time T14__0, T1 4-1, T14-2, T14-3, ... are described.
  • a packet that satisfies a predetermined condition is defined as the first bucket of an I-picture based on the MPEG2 standard, and the packet numbers and display start times corresponding to these packets are determined.
  • ES address information shown in FIG. This is because MPEG decoding can be started if the recording position of the I picture can be specified by the address information.
  • each of the TS objects specified by two adjacent packets is specified.
  • the section is defined as "entry section".
  • a section specified by the packet q and the packet r in which the ES address information is adjacent is defined as an entry section # 0
  • a section specified by the bucket r and the bucket s is defined as an entry section # 1.
  • the SP data and SP control information on the sub-picture stream relating to the still image corresponding to the video stream are defined as one entry section defined as above. It describes their existence depending on whether they exist within the range.
  • data or information relating to a still image recorded on a sub-picture stream includes (i) SP data 713, an example of still image information, (ii) SP control information 712, which constitutes an example of still image control information for controlling display of SP data 713, and (iii) a single sub-picture structure together with both or one of them, and Structural information about the picture structure D) It is composed of three data or information of 7 1 1.
  • a sub-picture structure including all the structural elements of the structural information 711, SP control information 712 and SP data 713 shown in FIG. 701, the sub-picture structure 7002 consisting of the structural information 71 1 shown in Fig. 17 (b) and the SP control information 71 2 and the structural information 71 1 1 shown in Fig. 17 (c).
  • the sub picture structure 703 having SP data 713 as a component. In the case of DVD, only the type shown in Fig. 17 (a) is defined.
  • various examples of the “still picture information set” according to the present invention are respectively configured from the sub-picture structures shown in FIGS. 17 (a) to 17 (c).
  • the SP control information 712 and the SP data 713 are usually composed of a plurality of TS buckets 146. It is divided into. Then, the structure information 711 is stored in the first packet of the sub-picture structure 701 to 703, and is followed by the SP control information 712 (FIGS. 17 (a) and (b)). The head part or the head part of the SP data 713 is also stored in the head bucket where the structure information 711 is stored.
  • the TS packet 146 in which the head of the SP control information 712 in such a sub-picture structure 702 is stored is called “SCP”.
  • the TS packet 146 in which the head of the SP data 713 in the sub-picture structure 703 is stored is called “SPD”.
  • the first packet of the sub-picture structure 701 including both is called "SCP + SPD" in a form corresponding to these.
  • the sub-picture structure is arranged or belongs in the entry section” as shown in FIG. 15 refers to the sub-picture structures 71 1 and 7 in FIGS. 17 (a) and (b).
  • 0 2 indicates a header including SCP (that is, a packet storing structure information) 1S means that the header is recorded in the entry section, and the sub-picture structure shown in Fig. 17 (c). In the case of 703, it means that the header including the SPD is recorded in the entry section ⁇ .
  • the structure information 7 11 1 has “SP data identifier”.
  • the SP data identifier is It identifies SP data 7 13 contained in the chair structure.
  • the SP data identifier identifies the SP data 7 13 included in another sub-picture structure to which the SP control information 7 12 included in the sub-picture structure operates. Things.
  • the structure information 711 further includes information indicating “data length of SP control information” and “data length of SP data”. Based on these, at the time of playback, it is specified to which bucket the sub-picture structure 701 continues from the head of the structure information 71 1. Also, based on the data length of the SP control information, at the time of reproduction, it is specified to what packet the sub-picture structure 702 continues from the beginning of the structure information 711. Furthermore, based on the data length of the SP data, at the time of reproduction, it is specified to which bucket the sub-picture structure 703 continues from the head of the structure information 71 1.
  • the “SP data length” in the structure information 7 11 is set to “0”, so that the SP data 7 It may indicate that it does not have 13.
  • the sub-picture structure 703 that does not have the SP control information 712 by setting the “data length of SP control information” in the structure information 711 to “0”, the relevant SP control information is set. It may indicate that it does not have information 7 12.
  • the structure information 711 further includes “SP data position information”.
  • SP data 713 on which the SP control information 712 operates is specified based on this.
  • the position information of such SP data the approximate position is described using the entry section shown in FIG.
  • the SP data 713 can be specified. Therefore, even if the SP data 711 does not have the SP data 711 as in the sub-picture structure 702, the SP The control information 7 1 2 can be applied to the planned SP data.
  • a packet number of the SPD may be directly described as position information of the SP data.
  • the sub-picture structure 701 or 703 including the SP data 713 it is preferable to set the “SP data position information” included in the structure information 711 to an invalid value.
  • the SP control information 712 includes information indicating the display start time of the applied SP data and the display time of the SP data. At the time of reproduction, this causes the SP data on which the SP control information 7 12 acts to be reproduced for a predetermined time on the reproduction time axis, and a still image is displayed.
  • the SP data 713 has image data in, for example, a bitmap data format or a JPEG format that has been run-length encoded. For example, each pixel (pixel) has 8-bit color information data and 8-bit transparency information data. Also, SP data representing one still image is packetized and multiplexed into a plurality of TS packets 146 (see FIG. 4).
  • the entry section is represented by using the display start time of the bucket number of the first bucket constituting the entry section.
  • the entry section # 0 of the elementary stream at index # 14 is represented by "T14-0".
  • the display start time is used, even if the serial number of the packet shifts due to the lack of the packet due to editing or the like after recording, the display start time does not shift. It is not necessary to update the ES address information etc. as shown in 4.
  • first arrangement conditions are set for the packet arrangement for the entry section defined as described above so that SCP and SPD can be easily and quickly acquired.
  • the headers in the structures 70 1 to 70 3 are physically arranged as follows.
  • the entry point refers to a packet whose position is specified by address information.
  • the sub-picture structure 70 2 including the SP control information 7 12 necessary for the SP data 7 13 to be displayed is within one entry section. Can be found by searching for. For example, in FIG. 14 and FIG. 15, when the display start time is equal to or greater than T 14 _1 and smaller than T 1 4′-2, the sub-picture structure including the SP control information 7 1 2 in the entry section # 1 The packet number of the header of 702 is recorded. On the other hand, SP data can be found from the “SP data recording position” (see FIG. 16) of the structural information 711 constituting the header as described above.
  • the SCP (as described above, the first packet of the SP control information 7 12) also has "The second arrangement condition").
  • a dotted arrow coming out of the SCP indicates a relationship in which the SP control information starting from the SCP acts on the SP data to be controlled.
  • the display start PTS is given as the (0) th process
  • the SCP is searched and read as the (1) th process
  • the SP data is read as the (2) th process.
  • the SP data is read as the (3) th process
  • the SP data is read as the (4) th process
  • the reproduction is finally started as the (5) th process.
  • Middle axis extending from left to right
  • ES address information about the subpicture stream as shown in Fig. 20 is described in the ES map table in a format corresponding to Fig. 20.
  • the ES address information about the sub-picture stream is based on the index number information 1 34 e (Fig. 3 4), which indicates whether the SPD exists for each elementary section of the elementary stream. It contains 2-bit information consisting of a 1-bit SP data identification flag indicating whether an SCP is recorded and a 1-bit SCP identification flag indicating whether an SCP is recorded. It should be noted that in FIG. 20, “1” is set when it exists, and “0” when it does not exist. Then, in the first acquisition method, as described below, when the SCP does not exist at the display start time by the SCP identification flag, it is determined whether or not the SCP exists ahead (left side in FIG. 19) on the reproduction time axis. Is checked.
  • the first packet (“r” in this example) of the entry section # 1 is obtained by referring to the ES address information in FIG. 14, and then the object data file is obtained. Within this, access to this first packet is executed. After that, the header (structural information 711) of the packet on the same sub-picture stream following this first packet is sequentially checked, and in the entry section # 1, the service including the SCP is checked. The pre-picture structure 702 will be found.
  • the “SP data position” (see Fig. 16) recorded in the SP control information in the subpicture structure including the acquired SCP is referred to, and the SP data that is the control target of this SP control information is referred to. (Entry section) is specified. Then, access to the SP data whose position is specified is executed (the (2) -th process in FIG. 19). For example, if the display start time T14_0 is described as the position of SP data (one entry section), first, the ES address information shown in Fig. 14 is referred to in the object information file. Then, the packet number "q" is obtained. That is, in this example, it is found that the SPD to be read exists in the entry section # 0.
  • the access to this first packet (packet number "q") is executed in the object data file. Subsequently, the header (structure information 711) of the packet on the same subpicture stream following the first packet is sequentially checked, and in the entry section # 0, the subpicture structure 701 including the SPD is checked. Or, 703 (in FIG. 19, a subpicture structure 70 1 indicated by “SCP + SPD # 1”) is to be found.
  • the SP data identification flag shown in FIG. 20 is referred again, and the entry including the display start time from the entry section including the SPD obtained in the (3) th processing (here, the entry section # 0) is referred to.
  • the SP data identification flag is "1", and the existence of the section containing SPD is checked. If such an SPD exists, it means that there is SP data that may be displayed after the display start time. In this example, since such an SPD exists in the entry section # 2, access is made to the sub-picture structure including the SPD, and the access is performed (FIG. 19, ( 4) Processing).
  • the still data after the arbitrary display time on the reproduction time axis is displayed.
  • Read in advance for accurate and uninterrupted image display SP data that is recorded before the arbitrary display start time is called "look-ahead SP data". That is, if the prefetched SP data must be read prior to the start of playback, there is a possibility that the still image display will be interrupted after the display starts.
  • the pre-read SP data is actually used for still image display after pre-reading. That is, here, if there is a possibility of being used for subsequent display according to the reproduction condition, it is treated as prefetched SP data, and the prefetching process is performed.
  • the display control based on the obtained SP control information is performed by the above processing, and the reproduction of the still image corresponding to the SP data is started (processing (5) in FIG. 19).
  • the display start time and the display time (see FIG. 16) indicated by the SP control information a still image is displayed over a certain period by the sub-picture corresponding to the SP data.
  • the display start time is The still image to be displayed is faithfully displayed, and there is no situation in which the still image to be originally displayed cannot be displayed thereafter, or the still image is interrupted.
  • the two flags have an extremely small number of 2 bits (see FIG. 20).
  • the ES address information of the data amount it is possible to efficiently specify the recording position of the SP data and the SP control information. For example, if the ES address information relating to the video stream as shown in FIG. 14 is 32 bits for each section of the entry, the ES address information relating to the sub-picture stream as shown in FIG. A small data amount of / 16 is enough.
  • FIG. 21 shows the structure information, SP control information, and the contents of SP data in a table in the second acquisition method
  • Fig. 22 shows the acquisition procedure in the second acquisition method.
  • FIG. 23 is a table showing the data structure of the ES address information relating to the sub-picture stream shown in FIG. 22 and constructed in the ES map table.
  • FIG. 24 shows a specific example of the structure information and the SP control information according to the second acquisition method.
  • the first and second arrangement conditions described above are attached.
  • the second arrangement method described with reference to FIG. 18 is used. It is executed without any condition.
  • the SP data identification flag (see Fig. 20) in the first acquisition method described above is not constructed in the ES address information, and only the SCP identification flag is used as the ES address information for the sub-picture stream. Is to be described.
  • the SP control information in the object data file describes information for identifying the prefetched SP data. is there.
  • data or information relating to a still image recorded on a sub-picture stream includes structural information 71 1, SP control information 71 2 ′ and It is configured to include SP data 7 13.
  • the contents of the structural information 711 and the SP data 713 are the same as those of the first acquisition method shown in FIG.
  • three types of sub-picture structures 70 1 to 70 3 shown in FIG. 17 are similarly constructed.
  • the SP control information 7 12 has information indicating the display start time of the acting SP data and the display time of the SP data. At the time of playback, the SP data on which the SP control information 712 operates is played back for a predetermined time on the playback time axis, and a still image is displayed.
  • the SP control information 712 ′ has the total number of prefetched SP data, the identifier of the prefetched SP data, and the position information (entry section) of the prefetched SP data.
  • the "look-ahead SP data" here is defined in particular with reference to the SCP recording position of the SP control information in which the total number and the like are described.
  • SP data that has an SCP control that has an SCP that is recorded on the playback time axis behind the SCP, and that the SP data is recorded before the SCP in the sp control information. Refers to SP data that exists. Therefore, in the following description relating to the second acquisition method, SP data that satisfies such conditions is simply referred to as “look-ahead SP data”.
  • the display start PTS is given as the (0) th processing
  • the SCP in the forward entry section is searched and read as the (1) processing
  • the SP data is obtained as the (2) processing.
  • read the SCP in the backward entry section as the (3) th process
  • read the SP data as the (4) th process
  • read the prefetched SP data as the (5) th process.
  • each process of starting playback as the (6) process is shown graphically at the corresponding location on the time axis (the axis extending from left to right in the figure).
  • the second acquisition method is particularly applicable to one section of the entry defined by the video stream shown in Fig. 14, for example.
  • the ES address information for the sub-picture stream is described in the ES map table as shown in Fig. 23.
  • the ES address information on the sub-picture stream includes a 1-bit SCP identification flag indicating whether an SCP is recorded for each entry section. Note that in FIG. 23, “1” is set when there is one, and “0” when it does not exist. Then, in the second acquisition method, as described below, when the SCP does not exist at the display start time by the SCP identification flag, first, it is checked whether or not the SCP exists ahead on the reproduction time axis. Next, it is checked whether or not there is an SCP behind the playback time axis.
  • the sub-picture structure not including SP data is composed of the structure information 711 and the SP controller.
  • SCP # 2 located in entry section # 4 is used as the first packet. It shows the specific contents of SP control information 7 1 2 ".
  • SCP data is searched in this object data file in this entry section # 1 (the (1) th process in FIG. 22). More specifically, first, the ES packet information of FIG. 14 is referred to, and the first packet of the entry section # 1 (in this example, "r") is obtained. The access to the first packet is executed. After that, the header (structure information 711) of the packet on the same sub-picture stream following this first packet is sequentially checked, and in the entry section # 1, the sub-picture structure 70 including SCP is checked. 2 will be found.
  • the “SP data position” recorded in the SP control information in the acquired sub-picture structure including the SCP is referred to, and the position (entry section) of the SP data that is controlled by this SP control information is specified. Is done. Then, access to the SP data whose position is specified is executed (the (2) -th processing in FIG. 22). For example, if the display start time T14-0 is described as the position (entry section) of the SP data, first, the ES address information shown in Fig. 14 is referred to in the object information file. To obtain the packet number "q". That is, in this example, it is determined that the SPD to be read exists in the entry section # 0 '.
  • SCP data is searched for in the object data file in this entry section # 4 (the (3) -th processing in FIG. 22). More specifically, first, the ES packet information in FIG. 14 is referred to, and the first packet of the entry section # 4 (in this example, "u") is obtained. Then, in the object data file, Access to the first packet is performed. After that, the header (structural information 711) of the packet on the same sub-picture stream following this first packet is checked sequentially, and SCP # 2a is included in the entry section # 4. The sub-picture structure 702 including the sub-picture structure 702 and SCP #lc is searched for, and SP control information 712 ”consisting of the structure shown in Fig. 24 is obtained. Shows the specific contents of SP control information 7 1 2 for # 1 c.
  • the “SP data position” (see Fig. 24) recorded in the SP control information in the acquired sub-picture structure containing SCP # 2a is referred to, and the SP data that is the control target of this SP control information is referred to.
  • Location (entry section) is specified.
  • the access to the SP data whose position is specified is executed (the (4) th process in FIG. 22). For example, if the display start time T14-2 is described as the position (entry section) of the SP data, first, the ES address information shown in Fig. 14 is referred to in the object information file. The packet number "s" is obtained. That is, in this example, it is found that the SPD to be read exists in the entry section # 2.
  • the SP data in the sub-picture structure including the acquired SPD is read (the (4) -th processing in FIG. 22).
  • the total number of prefetched SP data, identifiers, and location information (entry sections) described in the SP control information in the sub-picture structure containing SCP # 1c obtained in the (3) th process of Fig. 22 Based on this (see Fig. 24), read-ahead SP data is read. For example, as shown in Fig. 24, the total number of prefetch SP data is "1", the identifier is "# 1", and the position information of the prefetch SP data "# 1" identified by this is If T14-0, the ES address information in FIG. 14 is first referred to, and the packet number q is obtained.
  • the sub-picture structure 701 or SP 703 including the SP data 711 and the sub-picture structure 702 including the SP control information 712 acting on the SP data 713 are on the same sub-stream. Or may be separately recorded on a plurality of sub-picture streams.
  • FIG. This read control method uses the information recording / reproducing device to read SP data and SP control information for displaying a still picture (sub-picture) in a playlist information file and an object information file (see Fig. 3). Flag to control whether to execute the process for displaying the main video (video) instead of executing this process or to execute the process instead of executing the process (see “Playlist information table described below”).
  • the "SP read control flag” and "SP read control flag in the AU table” are stored, and the read control is executed during reproduction.
  • FIGS. 25 and 26 schematically show the data structures of TS objects # 3 and # 4 including a sub-picture stream in a specific example according to the present embodiment, respectively.
  • 7 and FIG. 28 schematically show the data structures of PAT and PMT in these TS objects # 3 and # 4, respectively.
  • FIG. 29 schematically shows a data structure constructed including these TS objects # 3 and # 4.
  • the TS # 3 object shown in FIG. 25 and the TS # 4 object shown in FIG. 26 are configured to include a sub-picture stream.
  • the TS # 3 object has, in particular, a video stream (Video 6), an audio stream (Audio 9) and an audio stream (Audio 10).
  • the TS # 3 object is configured as one program # 1 (Program 1), one PAT specifies one PMT, and further, this PMT
  • the bucket ID (ES_P ID) for all elementary lease streams related to the six contents is specified.
  • the stream for SP data and the SP control information The packet ID (ES-PID) is also specified for the stream.
  • the TS # 4 object is configured as one program # 3 (Program 3), one PAT specifies one PMT, and furthermore, A packet ID (ES_P ID) is specified for all elementary streams related to this content. Then, in such a form, the packet ID (ES-PID) is also specified for the stream for the SP data and the stream for the SP control information.
  • FIG. 29 shows the data configuration constructed on the optical disc 100 described with reference to FIGS. 25 to 28 as described above.
  • the optical disc 100 has a playlist # 1 (specifying two items (Item # 1, # 2) relating to the TS # 1 object and the TS # 2 object that do not include the sub-picture.
  • a title # 1 consisting of P-lists # 1) has been constructed, and a playlist # 2 (P-lists) specifying two items (Item # 1, # 2) including sub-pictures as described above.
  • the title # 2 consisting of # 2) has a constructed data structure.
  • the sub-picture structure (see Fig. 17 etc.)
  • the structure of each information file for controlling the reading of the file will be described.
  • a playlist information file and an object information file each having an SP reading control flag are directly related to the reading control of the sub-picture.
  • FIG. 30 schematically shows a specific example of the data configuration of the disk information file 110.
  • FIG. 31 shows the title information table (table) 114 included therein.
  • Fig. 3 schematically shows a specific example of a data configuration.
  • the disk information file 110 stores the disk general information 112, the title information table 114, and other information 118.
  • the disc comprehensive information 112 is comprehensive disc information such as disc volume information indicating a serial number of a series composed of a plurality of optical discs 100 and total title number information.
  • the title information table 114 stores all playlists that constitute each title, and other information such as chapter information in the title as information for each title, for example.
  • the “Title pointer information” is the storage address information of the title #n information, that is, the title # in the title information table 1 14 as indicated by the correspondence in the arrow in FIG.
  • This is storage address information indicating the storage location of n information, and is described using a relative logical address.
  • the number of titles in the optical disc 100 are arranged in the order of titles as relative logical addresses.
  • the data amount of each of the stored address information may be a fixed byte or a variable byte.
  • the other information 118 is information on each title, such as the type of title, such as a sequential type or a branch type, and the total number of playlists.
  • the title information table 114 stored in the disc information file 110 shown in Fig. 30 (see Fig. 3) Has relatively simple contents as shown in Fig. 31 It is described as
  • FIG. 32 schematically shows a specific example of the data configuration in the playlist information table (tab1e) 121 constructed in the playlist information file 120.
  • the playlist total information 122 and the playlist list pointer table 124 are arranged for each field (Fie 1 d).
  • the playlist # 1 information table and the playlist # 2 information table 126 are stored as a playlist information table 122 (see FIG. 3).
  • Each field may have a structure in which a required number of tables can be added. For example, if there are four playlists, the structure may be such that the number of applicable folds is increased to four, and this is the same for the item information table 129.
  • the playlist general information (P-list comprehensive information) 122 describes the size of the playlist table, other information, the total number of playlists, and the like.
  • the play list pointer table (P list pointer table) 1 24 contains the address power of each play list recording position and the corresponding play list information table 1 as shown by the arrow in FIG. 21 Stored as the relative logical address within 1.
  • the play list # 1 information table (P list # 1 information table) 1 26 contains comprehensive information on play list # 1 and the item information table of play list # 1 (P list Item information Table). ) And other information are stored.
  • the playlist # 2 information table 129/9 also describes the same kind of information related to playlist # 2.
  • the “item information table (item information table) 1 229” stores the item information of all the items constituting one program list.
  • the AU number in the AU (associate unit) table described in “Item # 1 (1 tem # 1 information)” or “Item # 2 (1 tem # 2 information)” is the relevant AU number.
  • the SP read control flag 601 is described in the item information table for each item information.
  • the SP read control flag 6001 is an example of the “first read control flag” according to the present invention.
  • the SP read control flag 6001 is a flag indicating whether or not to execute a process of reading a subpicture structure (see FIG. 17 and the like) at the playback start time. More specifically, when the playback location shifts from one play item to another play item, it indicates whether or not to execute the reading operation of the sub-picture structure before starting playback of the subsequent play item. For example, when priority is given to continuous playback of the main video in the video stream, it indicates that the reading process of the sub-picture structure is not executed.
  • SP reading control flag 601 may be optional, and in this case, it means a possible flag.
  • FIG. 33 schematically shows a specific example of a data structure in an AU (associate unit) table 13 1 (see FIG. 3) constructed in the object information file 130.
  • FIG. 34 schematically shows a specific example of the data configuration in the ES (elementary stream) map table 1 34 (see FIG. 3) associated therewith.
  • an object information file (object information table) is stored in the object information file 130, which is composed of an AU table 131 shown in FIG.
  • An ES map table 134 shown in FIG. 34 is provided.
  • the AU table 13 1 may have a structure in which a required number of tables for each field (Fie 1 d) can be added. For example, if there are four AUs, the fold may be increased to four.
  • the AU table 13 1 has “AU table comprehensive information”, “packet number discontinuity information”, and “others” in which the number of AUs and pointers to each AU are described in another field (Fie 1 d). Information ”is stored.
  • AU information 1 32 I indicating ES staple index #m (ES—table I nde # m) in each PU # m corresponding to each AU # n is expressed as:
  • “AU” is, for example, a “program” in a television broadcast as described above. (Particularly, in the case of "multi-vision type" broadcasting, a unit that combines multiple switchable “visions”), and includes at least one PU as a playback unit.
  • the “PU” is a set of mutually switchable elementary streams included in each AU as described above, and the ES information corresponding to each PU by PU information 302 I.
  • Index # is specified For example, if AU is used for multi-view content When configuring, multiple PUs are stored in the AU, and each PU stores pointers to multiple elementary stream bucket IDs indicating the packets that constitute the content of each view. This indicates the index number of the ES map table 134 # described later.
  • the AU table 1331 describes the SP read control flag 602 as a part of the PU attribute information for each PU information 3002 indicating a PU belonging to each AU.
  • the SP read control flag 602 constitutes an example of the “second read control flag” according to the present invention.
  • the SP read control flag 602 is a flag indicating whether or not to execute the reading process of the sub-picture structure (see FIG. 17 and the like) at the playback start time. More specifically, it indicates whether or not to execute the reading operation of the sub-picture structure before starting playback of the newly selected PU when the PU is switched within the same AU. For example, when starting playback from a certain point (on the way) of the PU in a time search or the like, indicate whether to perform the operation of reading the sub-picture structure before starting playback.
  • such an SP read control flag 602 may be optional, in which case it means a possible flag. In FIG.
  • the ES map table 1 34 includes, for each field (Field), ES map table general information (ES—maptab 1 e general information) and a plurality of indexes #m (m-1, 2,. ⁇ ⁇ ) and “Other information” are stored.
  • the “ES map table general information” describes the size of the ES map table, the total number of indices, and the like.
  • the “index #m” indicates the elementary stream bucket ID (ES_P ID) of all the elementary streams used for playback, the corresponding index numbers and the address information of the elementary stream, respectively. It is comprised including.
  • the packet of the first TS packet of the I picture is used as the address information, that is, the ES address information 134d. Only the network number (SPN) and the corresponding display start time are described in the ES map table 134, and the data amount is reduced (see FIG. 14).
  • the elementary stream packet ID (ES__PID) of the actual elementary stream can be obtained from the index number of the ES map 134 specified from the AU table 1331.
  • address information of the elementary stream corresponding to the elementary stream bucket ID can be obtained at the same time, object data can be reproduced based on the information.
  • the ES address information 134 d (FIGS. 20 and 2) is used for the sub-picture stream (the stream for the SP data and the stream for the SP control information).
  • the index of the ES map table of the stream used as one entry is included in the ES map table shown in Fig. 34 so that the stream used as the entry interval when creating the entry can be identified during playback.
  • Index number information 134 e indicating the number is described. Therefore, for the ES address information 134 d of the sub-picture stream, only the SCP identification flag ⁇ SP data identification flag is described for each entry section, further reducing the data amount. ing.
  • a sub-picture stream for SP data and a sub-picture stream for SP control information are used separately.
  • the stream for SP control information is included in the ES map table in Fig. 34 so that it is easy to identify which SP data each SP control information affects during playback.
  • Index number information 134 f indicating the index number of the ES map table of the operating SP data stream is described.
  • optical disc 100 Even if a new title is added to the optical disc 100, it is useful because necessary information can be easily added. Conversely, even if certain information becomes unnecessary as a result of, for example, editing, it is only necessary to refer to that information, and there is no need to actually delete that information from the table. It is useful.
  • the ES_PID that is not referred to in the AU table 13 1 in FIG. 33 is also described for each index in the ES map table 134 in FIG. 34. There is no need to write it this way. However, by writing an ES_PID that is not referred to in this way, creating a more versatile ES map table 13 4 can be used to re-edit the content, for example, when authoring again. There is an advantage that there is no need to rebuild the ES map table.
  • the information recording / reproducing device 500 shown in FIG. 8 is performing the reproducing process shown in FIG. 13 (in particular, after starting the reproduction in step S16), Whether or not the playback location shifts from a play item to another play item is constantly monitored.
  • the read operation of the sub-picture structure is appropriately executed according to the SP read control flag 601 in the playlist information table 121 before the subsequent play item reproduction starts.
  • it is not appropriately executed according to the SP read control flag 601.
  • the reading processing of the sub-picture structure is not executed according to the SP reading control flag 601.
  • the PU is in the same AU. It is monitored whether it can be switched. Then, at the time of this switching, the read operation of the subpicture structure is executed before the reproduction of the newly selected PU is started, as appropriate, in accordance with the SP read control flag 602 in the AU131. Alternatively, it is not appropriately executed according to the SP read control flag 602. For example, when the stream for SP control information is switched so that different SP control information is applied to the same SP data, or when playback is started from a point (midway) where a PU is present, the playback is performed. Before starting, the appropriate sub-picture structure is read or not read according to the SP read control flag 602.
  • the SP reading control flag 601 in the playlist information table 12 1 (see FIG. 32) and the SP reading control flag 602 in the AU 13 1 (see FIG. 33) are referred to. While the information recording / reproducing device 500 shown in FIG. 8 is performing the reproducing process shown in FIG. 13, the playlist information file 120 and the object information file 130 (FIG. May be executed in near real time by accessing. Alternatively, the SP read control flag 61 and the SP read control flag 602 are read in advance (for example, in step S12 and step S14 in FIG. 13) and stored in the memory 530 or the like. It is also possible to refer to these when transferring play items or switching PUs.
  • the SP read control flag 601 in the playlist information table 12 1 and the SP read control flag in the AU table 13 1 By using the read control flag 602, a sub-picture stream (a stream for SP data and a stream for SP control information) can be used for a sub-picture stream. Reading control of the structure (see Fig. 17 etc.) can be executed efficiently and reliably.
  • FIG. 35 an information recording / reproducing apparatus using AU (association unit) information 1321 and PU (presentation unit) information 3201, which is one of the features of the present embodiment.
  • AU association unit
  • PU presentation unit
  • FIG. 35 conceptually shows the entire access flow at the time of reproduction in relation to the logical structure of the optical disk 100.
  • the logical structure of the optical disc 100 is composed of three layers: a logical layer 401, an object layer 4003, and a logical-object association layer 402 that associates these two layers with each other. It is roughly divided into layers.
  • the logical layer 401 is a layer for logically specifying various kinds of logical information for reproducing a desired title at the time of reproduction, a playlist to be reproduced, and its configuration contents.
  • disk information 110d indicating all titles 200 on the optical disk 100 is described in the disk information file 110 (see FIG. 3).
  • reproduction sequence information 120d of all contents on the optical disc 100 is described in the playlist information file 120 (see FIG. 3). More specifically, the structure of one or more playlists 126 is described in each title 200 as the playback sequence information 120 d, and each playlist 1206 includes The configuration of one or more items 204 is described. Then, at the time of access during reproduction, the title to be reproduced is determined by such a logical hierarchy 401.
  • Identify 200 identify the corresponding playlist 126, and identify the corresponding item 204.
  • the logical-object association layer 402 specifies the combination and configuration of the TS object data 144 d as the entity data based on the information specified in the logical layer 401 as described above. In addition, it is a layer that specifies the attribute of the TS object data 140 d to be reproduced and its physical storage address so that the address conversion from the logical layer 401 to the object layer 400 is performed. . More specifically, in the logical-object association hierarchy 402, the block of contents constituting each item 204 is classified into units of AU132, and each AU132 is represented by PU.
  • Object information data 130d which is subdivided into units of 302, is described in the object information file 130 (see Fig. 3).
  • the elementary stream to be reproduced is specified. That is, the PAT shown in Fig. 6 A desired elementary stream can be reproduced from multiplex-recorded data from the optical disc 100 without using a PMT or PMT.
  • the address conversion from the logical address related to each item 204 to the physical address related to each PU 302 is executed.
  • the object layer 4003 is a physical layer for reproducing the actual TS object data 140d.
  • the TS object data 140d is described in the object data file 140 (see FIG. 3). More specifically, TS packets 146 constituting a plurality of element lease streams (ES) are multiplexed for each time, and these are arranged along the time axis, so that a plurality of TS packets are arranged along the time axis.
  • An elementary lease stream is configured (see Fig. 5). Then, the plurality of TS packets multiplexed at each time are associated with the PU 302 specified by the logical-object association layer 402 for each elementary stream.
  • associating a plurality of PUs 302 with one elementary stream (for example, an elementary stream relating to the same audio data between a plurality of switchable programs or a plurality of programs) Can be commonly used, or the elementary stream related to the same sub-picture data can be commonly used).
  • the actual object data is reproduced using the physical address obtained by the conversion in the logical-to-object association hierarchy 402.
  • still image data including bitmap data having a relatively large data amount is converted into video data or sub-picture data.
  • Multiplex recording can be performed efficiently with audio data.
  • the introduction of the SP read control flag 601 in the playlist information table 12 1 and the SP read control flag 602 in the AU table 13 1 enable the transfer of play items and the switching of PUs.
  • the SP data and SP control information acquisition processing in the sub-picture stream can be efficiently executed while keeping the playback of the video data in the video stream unimpeded.
  • the optical disk 100 as an example of the information recording medium and the recorder or player according to the optical disk 100 as an example of the information reproducing / recording apparatus have been described.
  • the present invention is not limited to the recorder or player, but is applicable to various other information recording media compatible with high-density recording or high transfer rate, and the recorder or player.
  • still image information having a relatively large data amount can be multiplex-recorded together with moving image information, audio information, and the like. Can be reproduced.
  • the still image information set for example, a sub-picture structure
  • display is performed by applying different still image control information to still image information relating to one sub-picture.
  • the same still image information can be used for many different expressions. As a result, recording capacity for a still image having a large data amount can be saved.
  • control information identification flag for example, SCP identification flag
  • still image information identification flag for example, SP data identification flag
  • first read control information for example, SP read control flag in the playlist information table
  • second reading control flag SP reading control flag in the AU table
  • the present invention is not limited to the above-described embodiments, but can be appropriately modified within the scope not contrary to the gist or idea of the invention, which can be read from the claims and the entire specification, and information accompanying such changes
  • the data structure including the RAM and the control signal is also included in the technical scope of the present invention.
  • An information recording medium, an information recording apparatus and method, an information reproducing apparatus and method, an information recording and reproducing apparatus and method, a computer program for recording or reproducing control, and a data structure including a control signal according to the present invention include, for example, Alternatively, it can be used for high-density optical discs such as DVDs that can record various information such as main video, audio, and sub-video for business use at high density, and can also be used for DVD players, DVD recorders, etc. . Further, for example, the present invention can be used for an information recording medium, an information recording / reproducing device, etc. which are mounted on various consumer or business computer devices or connectable to various computer devices.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Graphics (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)

Abstract

Selon l'invention, un support d'enregistrement d'informations reçoit l'enregistrement multiple, sur une base de paquets, d'un flot de données complet constitué d'une pluralité de flots partiels composés respectivement d'informations de contenu comprenant des informations d'image fixe. Ce support d'enregistrement d'informations stocke des données d'objet constituées d'une pluralité de paquets stockant respectivement des segments d'informations de contenu, des informations de séquence de reproduction permettant de déterminer la séquence de reproduction de données d'objet, ainsi que des informations de définition de correspondance définissant la relation de correspondance entre une pluralité de paquets multiplexés pour commander la reproduction des données d'objet et une pluralité de flots partiels. Les informations de séquence de reproduction et les informations de définition de correspondance comportent respectivement des drapeaux de commande de lecture indiquant s'il faut ou non exécuter la lecture d'une image fixe au début d'une reproduction.
PCT/JP2003/004450 2002-04-08 2003-04-08 Support, dispositif et procede d'enregistrement d'informations, dispositif et procede d'enregistrement/reproduction d'informations, programme informatique de commande d'enregistrement ou de reproduction d'informations, et structure de donnees comprenant un signal de commande WO2003085975A1 (fr)

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JP2002105731A JP2003304498A (ja) 2002-04-08 2002-04-08 情報記録媒体、情報記録装置及び方法、情報再生装置及び方法、情報記録再生装置及び方法、記録又は再生制御用のコンピュータプログラム、並びに制御信号を含むデータ構造
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CN1617254A (zh) * 2003-11-10 2005-05-18 皇家飞利浦电子股份有限公司 光盘播放系统及其播放方法
EP1879191A4 (fr) * 2005-03-22 2013-08-14 Panasonic Corp Dispositif d´enregistrement de données en chaîne, dispositif d´enregistrement/de reproduction de données en chaîne, dispositif de reproduction de données en chaîne, dispositif d´édition de données en chaîne, procédé d´enregistre

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JP2000268537A (ja) * 1999-01-14 2000-09-29 Toshiba Corp デジタルビデオ記録システム
JP2000312342A (ja) * 1999-02-23 2000-11-07 Canon Inc 記録再生装置、方法、記録装置、方法及びコンピュータ読み取り可能な記憶媒体
JP2003022658A (ja) * 2001-07-09 2003-01-24 Matsushita Electric Ind Co Ltd 情報記録媒体、情報記録媒体に情報を記録、再生する装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000268537A (ja) * 1999-01-14 2000-09-29 Toshiba Corp デジタルビデオ記録システム
JP2000312342A (ja) * 1999-02-23 2000-11-07 Canon Inc 記録再生装置、方法、記録装置、方法及びコンピュータ読み取り可能な記憶媒体
JP2003022658A (ja) * 2001-07-09 2003-01-24 Matsushita Electric Ind Co Ltd 情報記録媒体、情報記録媒体に情報を記録、再生する装置

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