WO1997025714A1 - Support d'enregistrement de donnees, procede d'enregistrement et dispositif de reproduction - Google Patents
Support d'enregistrement de donnees, procede d'enregistrement et dispositif de reproduction Download PDFInfo
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- WO1997025714A1 WO1997025714A1 PCT/JP1996/003850 JP9603850W WO9725714A1 WO 1997025714 A1 WO1997025714 A1 WO 1997025714A1 JP 9603850 W JP9603850 W JP 9603850W WO 9725714 A1 WO9725714 A1 WO 9725714A1
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- 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
- H04N9/8227—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 the additional signal being at least another television signal
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
- G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
- G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
- G11B27/327—Table of contents
- G11B27/329—Table of contents on a disc [VTOC]
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- 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
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
- G11B20/1251—Formatting, e.g. arrangement of data block or words on the record carriers on discs for continuous data, e.g. digitised analog information signals, pulse code modulated [PCM] data
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
- H04N5/85—Television signal recording using optical recording on discs or drums
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- 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
- H04N9/806—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 with processing of the sound signal
- H04N9/8063—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 with processing of the sound signal using time division multiplex of the PCM audio and PCM video signals
Definitions
- the present invention relates to an information recording method effective when recording video, audio, sub-video, and the like on a recording medium such as an optical disc, and a recording medium and a reproducing apparatus therefor.
- optical discs in which video, audio, sub-pictures and the like are encoded and recorded at a high density, and a reproducing apparatus therefor have been developed.
- recording information such as movies on this optical disc, it is also considered to record the story of multiple stories running simultaneously.
- the story data of multiple stories that progress simultaneously means, for example, that siblings A and B start different paths in the middle of their growth, while one is a police officer (the first story). The other is the story of spending the gangster world (second story) and reuniting after a major incident.
- simultaneous multi-angle scenes are, for example, a first scene that shows a ship navigating the ocean from land, and a second scene that shows a land seen from the ship at the same time. I have a relationship with the scene There are multiple scenes.
- the present invention when data of a plurality of stories and angle scenes is recorded on a recording medium, the physical movement distance of a bit-up during reproduction is small, and the reproduced video is interrupted or disturbed. It is an object of the present invention to provide an information recording medium, a recording method thereof, and a reproducing apparatus capable of suppressing the above.
- each branch scene is connected to a connection of a subsequent trunk story.
- the video program configured as described above is recorded on a recording medium, the data of the branch scene is divided into a plurality of scene cells, and the plurality of scene cells of each branch scene are recorded in a time-division multiplexed array. It is characterized by that.
- FIG. 1 is an explanatory diagram illustrating an embodiment of an information recording medium and a recording method according to the present invention.
- FIG. 2A shows an example of the arrangement of cells and the order of playback in Fig. 1.
- FIG. 2B is an explanatory diagram for explaining an example of cell arrangement in FIG. 1 and other reproduction orders.
- FIG. 3A is an explanatory diagram for explaining another embodiment of the information recording medium and the recording method of the present invention.
- FIG. 3B is an explanatory diagram for explaining still another embodiment of the information recording medium and the recording method of the present invention.
- FIG. 4A is an explanatory diagram showing a table of connection destinations of the cells in FIG. 3B.
- FIG. 4B is an explanatory diagram for explaining a specific arrangement example of the cells in FIG. 4A.
- FIG. 5 is an explanatory diagram for explaining an example of the cell arrangement algorithm of FIG. 3B.
- FIG. 6 is an explanatory diagram for explaining an example of reproducing an array cell as shown in FIG. 3B.
- FIG. 7A is an explanatory diagram for explaining still another embodiment of the information recording medium and the recording method of the present invention.
- FIG. 7B is a diagram showing an example of arrangement when the cells of FIG. 7A are arranged on a track.
- FIG. 8A is an explanatory diagram for explaining still another embodiment of the information recording medium and the recording method of the present invention.
- FIG. 8B is a diagram showing an example of arrangement when the cells of FIG. 8A are arranged on a track.
- FIG. 9A is an explanatory diagram for explaining still another embodiment of the information recording medium and the recording method of the present invention.
- FIG. 9B is a diagram showing an example of arrangement when the cells of FIG. 9A are arranged on a track.
- FIG. 10A is an explanatory diagram for explaining still another embodiment of the information recording medium and the recording method of the present invention.
- FIG. 10B is an explanatory diagram for explaining still another embodiment of the information recording medium and the recording method of the present invention.
- FIG. 11A to FIG. 11C are explanatory diagrams for explaining still another embodiment of the information recording medium and the recording method of the present invention.
- FIG. 12 is an explanatory diagram for explaining an example of the cell arrangement of FIG. 11C ⁇ FIGS. 13A to 13C show a dividing method when a multi-story is recorded on the recording medium of the present invention. Explanatory drawing shown for further explanation.
- FIG. 14 is a diagram showing an example of a reproducing apparatus for reproducing a recording medium according to the present invention.
- FIG. 15 is an explanatory view showing a volume space of an optical disc to which the present invention is applied.
- FIG 16 is an explanatory diagram showing the structure of the video manager (VMG) and video title set (VTS) in more detail.
- Fig. 17 is an explanatory diagram showing the relationship between the video object set (VOBS) and the cell (Ce11), and the contents of the cell (Ce11) in a hierarchical manner.
- FIG. 18 is an explanatory diagram showing an example in which the playback order of cells (Cells) is controlled by a program chain (PGC).
- Cells the playback order of cells
- PPC program chain
- FIG. 19 is an explanatory diagram showing the relationship between the video object unit (VOBU) and the video packs in this unit.
- FIG. 20 is an explanatory diagram showing an example in which interleave blocks are arranged.
- FIG. 7 is an explanatory diagram showing an example of a recording state arranged on one track and a reproduction output when angle 1 is reproduced.
- FIG. 22 is an explanatory view showing a simplified version of the optical disc reproducing apparatus shown in FIG.
- FIG. 23 is an explanatory diagram showing the worst case where the addition and reduction of data input to the track buffer when the interleave block is reproduced is the worst.
- FIG. 24 is an explanatory diagram showing the time when a kickback operation is performed in the playback device, followed by the largest jump operation, and the data reduction status in the buffer memory.
- Figure 25 shows a design example of the minimum track buffer capacity (Bm) of the playback device, the kickback and seek times, the jump distance, and the amount of output data from the track buffer per unit time.
- Bm minimum track buffer capacity
- FIG. 26 is an explanatory diagram showing a video title set information (VTSI) in a video title set (VTS).
- VTSI video title set information
- FIG. 27 is an explanatory diagram showing the contents of the video title set program chain information table (VTS-PGCIT).
- FIG. 28 is an explanatory diagram showing the structure of program chain information (PGCI).
- Fig. 29 is an explanatory diagram showing the contents of cell playback information (C-PBIT) and cell playback information.
- FIG. 30 is an explanatory diagram showing the contents of a cell position information table (CPSIT).
- CPSIT cell position information table
- Fig. 31 is an explanatory diagram showing an example of the configuration of one pack and bucket recorded on an optical disk.
- FIG. 32 is an explanatory view showing NV—PCK.
- FIG. 33 is a diagram showing information described in data search general information (DSI-GI).
- FIG. 34 is a view showing information described in seamless playback information (SMLPBI).
- SMLPBI seamless playback information
- FIG. 35 is a diagram showing the content of seamless angle information (SML AGL I).
- FIG. 36 is a diagram showing VOBU search information (VOBU-SRI).
- FIG. 37 is a diagram showing synchronization information.
- BEST MODE FOR CARRYING OUT THE INVENTION FIG. 1 shows the flow of a video program on a time axis in order to explain an embodiment of the present invention.
- This video blog is composed of a leading front story (or scene) A and multiple branch stories (or scenes) BC! ⁇ B3, followed by rear It has a trunk story (or scene) C.
- the branch story 1 branches at a branch point X, which is the last position of the front trunk story A, and joins at a junction point Y, which is the start point of the rear trunk story C.
- the front story, branch story, and back story of this video program are each divided into multiple scenes.
- the cells of the branch story B0 are represented as B0-5, BO-4,..., BO-1, and the cells of the branch story B1 are represented by B1-2, B1-1.
- the cell of the branch story B2 is represented as B2-5, B2-4,..., B2-1, and the cell of the branch story B3 is represented by B. 3-5, B 3-4,..., B 3-1.
- one scene cell is defined using the physical length of a track on a recording medium as a unit, and all scene cells are set to have the same length.
- one scene cell is defined in terms of the time length during playback, and the settings are made so that all scene cells have the same playback time length. If data is encoded, one scene cell is defined as the code amount, and all scene cells are set to have the same code amount. In any of the definitions, it is not necessary to set each scene cell to have exactly the same length or amount, but it is sufficient if they are almost the same.
- any of the branch stories when there are multiple branch stories, when recording them on a recording medium, any of the branch stories must be entirely
- the scene cells are arranged so that the scene cells appear at the same ratio to the added scene length.
- the 0th branch story is 5 scene cells
- the 1st branch story is 2 scene cells
- the 2nd and 3rd scene cells are 5 scene cells.
- the total scene length is 17 cells. Therefore, the 0th, 2nd, and 3rd branch stories are arranged at a ratio of 5/17, that is, once every 3 or 5 cells.
- the stories are arranged in a ratio of 2 17, that is, once every 8.5 cells.
- the jump interval especially when the first branch story is reproduced, is set to the second branch story. It becomes smaller than the jump interval formed when they are aligned.
- FIG. 2A shows the pickup interval of the 0th branch story (solid arrow), the pickup interval of the third branch story (dotted arrow), It shows the one-up-to-one bit-up interval (dashed-dotted arrow).
- FIG. 2B shows an example in which the branch stories are sequentially arranged, and the pick-up interval of the 0th branch story (solid arrow) and the pitch of the 3rd branch story are shown.
- the gap interval (dotted arrow) and the gap interval (dashed-dotted arrow) of the first branch story are shown.
- a multi-angle scene is a simultaneous shooting of different angles, such as a video shot of the conductor alone at a concert venue and a video shot of the entire orchestra from the audience side, for example. It refers to multiple images.
- a O is a front trunk scene
- B ⁇ is a pseudo branch story
- B 1 and B 2 are branch stories having different contents.
- This video program is divided into scene cells, for example, as shown in FIG. 3B.
- Each scene cell has a data capacity and a cell number. Forces with black circles at the division points ⁇ , This point is, for example, the start position of the video frame.
- the time length when the data of each scene cell is reproduced is set to be the same.
- this data is variable compression data, even if the playback time of each scene cell is the same, the data capacity of each scene cell is not necessarily the same.
- B 0 is indicated by a single black circle, but in this case, it is assumed that it is a pseudo story and there is no actual data.
- a table L1 indicating the cell numbers of the connection destination scene cells is created as shown in FIG. 4A. That is, the scene connected to the scene number AO-1 The only cell number is A0-0.
- the cell number connected to cell number A0-0 is one of B1-3, B2-2, CO-0, and C1-0.
- the table L1 shown in FIG. 4A can be obtained.
- FIG. 4B shows a cell number table L2 created based on the information in the table of FIG. 4A to actually arrange each scene cell in series on the track of the recording medium.
- the sequence order is determined by the following procedure.
- Figure 5 shows the algorithm for determining the cell number sequence.
- the cell number and capacity in the first row of the table L1 are written in the first row of the table L2 (steps S1, S2). Also read the cell number of the contact scene.
- the table L2 among the cell numbers without the connection completion flag, all of the cell numbers to which the corresponding cell number is connected have a maximum jump allowable range in the front-rear direction with respect to the relevant cell number position. (Called J nx).
- the maximum jump allowable range (referred to as J nu x) is determined by the response speed of the playback device's backup and the capacity of the output buffer (temporary storage for outputting decoded data for playback). Playback time).
- the relationship between the cell number AO — 1 and the connection destination cell number A 0 — 0 satisfies the above J max (in this example, 20 Mb), so the A 0 —
- the connection complete flag is added to the first row (step S4).
- cell number AO-0 and its data capacity are read from table L1, and connected cell numbers B1-3, B2-2, CO-- ⁇ , and C10 are read. (Step S3).
- Step S5 There is only one cell number without the connection completion flag, and it is determined whether or not the connection destination cell number does not exist. It is.
- step S6 the following determination is made using the cell number A0-0 and the cell numbers B1-3, B2-2, CO-0, C1 of the connected scene. That is, if the scene cell number is expressed as $ m-n, the one with the smallest $ is selected first. In this example, there are B and C, so select B (this example assumes that A ⁇ B ⁇ C). Sa Furthermore, the one with the largest n and the smallest m is extracted. In other words, II being large means that the number of divisions is large, and m being small means that the priority given to the branch story is high.
- the sequence number following A O— ⁇ is B 1 — 3.
- the connection destination cell numbers B1-12 of the extracted cell numbers B1-3 are provisionally arranged in the last row of the table L2 (step S7).
- B 1 — 3 is B 1 — 2. Therefore, the arrangement of A O—0, B 1—3, B 2—2, C O—0, C 1 ⁇ , and B 1—2 is J.
- connection destination cells of each cell number (B2-2, CO-0, C1-0) other than the extracted cell number B1-3 that have not been connected follow the temporary array. If they are arranged in a row, it is determined whether or not the code amount distance between each unconnected cell number and the connection destination cell is Jmax (20 Mb) or less (step S8).
- the distance from B2-2 to B2-1 (code amount), the distance from CO-0 to DO-0, and the distance from C10 to D10 are all within Jmax. is there.
- the temporary array is determined to be normal, and the process returns to step S3 via step S11.
- step S3 the temporary arrays are B1-3, B2-2, CO-0, C1-0, B1-2, which are regular
- the forces that would have the connection complete flag provided, and those without the connection complete flag were B 2 — 1, D 0 — 0, D 1 — 0, DO — 0, D 1 — 0 will exist.
- step S3 all of the connection destination cell numbers of the corresponding cell number (those without the connection completion flag) are moved forward and backward with respect to the relevant cell number position in the maximum jump allowable range (J inax Judge whether it is within). In this case, since all the values are equal to or more than Jmax, the process proceeds to step S6, where B2—1 is extracted, and B2—0 is extracted in step S7. 2 — l, DO — 0, D 1 — 0, DO — 0, D l — ⁇ , B 2 — ⁇
- step S8 again, each cell number (DO — 0, D l — 0, DO — 0, D l — ⁇ , B 2 ⁇ ) other than the extracted cell number (B 2 1 1) and for which connection has not been completed.
- (0) if all the connection destination cells are arranged after the temporary array, is the code amount distance between each unconnected cell number and the connection destination cell equal to or less than J max (20 Mb)? It is determined whether or not it is (step S8).
- step S9 it is determined whether or not two or more cell numbers that do not satisfy the condition are found. If there are two or more, it is assumed that an error has occurred. In this case, there is one, and the process proceeds to step S10.
- step S10 all connection destination cells of unconnected cells that do not satisfy the conditions are arrayed, and their cell numbers and code amounts are read (in this case, read CO— ⁇ , C1-0) .
- step S10 the process returns to step S6.
- the cell number is selected according to the principle described above. That is, the cell number $ m—extracts the one with the smallest $ in n, the largest in n and the smallest in m. Then, the process proceeds to steps S7 and S8.
- each of the branch streams is divided by, for example, a code amount that makes the reproduction time equal, and then the steps S3 and S3 are performed.
- the arrangement order is determined by the principle shown in Fig. 6.
- FIG. 6 shows some playback examples of the disks arranged and recorded as described above.
- the order of the arrows is the order in which scene cells are picked up.
- the above example is one example, and various embodiments of the present invention are possible.
- Various embodiments are possible as the dividing method shown in FIG. 3B.
- the above-mentioned method of determining the division point is as follows. First, when dividing a branch story into a plurality of pieces, the division is performed with a code amount such that the reproduction times of the cells of all the branch stories are the same, and the pick-up is performed. When judging whether or not the jumping distance is within the maximum jumping amount Jmax, it was determined by the above-described algorithm with reference to the code amount.
- each branch story may be divided separately.
- Figure 7 shows that there are three branch stories, and the first branch story, the second branch story, and the third branch story each have the same code amount.
- This is an example divided into three equal parts. That is, as shown in FIG. 7A, the first branch story 1 is separated into cell numbers BO—0, B 0—1, and BO—2 of equal code amount (5 Mb), and the second branch story The story is divided into cell numbers B 1 — 0, B 1 — 1, and B 1 — 2 in equal code amount (7 Mb) units, and the third branch story has equal code amount (6 Mb). Mb) The unit cell number is separated into B2-0, B2-1, and B2-2. The number of divisions of each branch story is the same.
- the set of cell numbers B0—0, ⁇ 1—0, and B2— ⁇ is defined as scene block # 0, and cell numbers B0—1, If the set of B 1 — 1 and B 2 — 1 is set as scene cell block # 1 and the set of cell numbers B 0 — 2, B 1 — 2 and B 2 — 2 is set as scene cell block # 2, Si The code amount of the unblock is equal.
- code amount (data amount) is equal means that the B2 branch stream is reproduced regardless of whether the B0 branch stream is reproduced or the B1 branch stream is reproduced. When playing back, the jump distance is the same.
- each branch may be divided by an equal playback time.
- Figure 8 shows that there are four branch stories, a first branch story, a second branch story, a third branch story, and a fourth branch story.
- each part is equally divided into three parts so that the playback time is equal. That is, as shown in FIG. 8A, the first branch stream is divided into cell numbers B 0— ⁇ , B 0—1, BO—2, and BO—3 of equal playback time units, Branch stories are separated into cell numbers B 1 — 0, B 1 — 1, B 1 — 2, B 1 — 3 in equal playback time units, and the third branch stories are equal It is divided into cell numbers B2-0, B2-1, B2-2, and B2-3 in playback time units.
- scene blocks # 0 to # 3 can be obtained.
- Fig. 9A shows multi-andal video information.
- D1 to D3 exist as information sources, for example, as shown in FIG. 9B, scene blocks # 0 to # 3 are formed and arranged.
- FIG. 10A shows an example of a source where one of the multi stories ends up in an extremely short time.
- FIG. 10B shows a state in which each branch story is divided by a predetermined division number (4) to obtain cells.
- a method as shown in Fig. 11 is used. That is, first, as shown in FIG. 11A, a part of the rear trunk story C0 is added to each branch story B ⁇ , Bl, B2, and the connection point is moved backward. Migrate. Then, let each branch story be BO (E), B1 (E), and B2 (E) as shown in FIG. 11B. Then, these branch stories BO (E), B1 (E), and B2 (E) are divided as shown in Fig. 11C, and the cell numbers are assigned. The subsequent arrangement method is the same as the procedure described above. In this example, each branch story is divided into five parts. Have been.
- FIG. 12 shows a state in which cells are selected one by one from each of the branch stories described above, and cell blocks # 0, # 1,... Are arranged and arranged.
- These scene cell blocks contain error correction code.
- each scene cell block has the same code amount.
- the head of the cell does not use uncompressed video data, that is, one I-picture or intra-frame compressed data or other frame-compressed data. It is divided to include expandable data. This is because if there is no uncompressed video data in the first cell due to the compression method, subsequent compressed video data cannot be reproduced.
- FIG. 13 is a diagram for explaining an example of the division using a mathematical expression when the multi-story is divided and recorded.
- this is a video program composed of video, audio, text, etc., which is a branch point X for branching from the front trunk story A and the rear trunk story. It is assumed that there are a plurality of arbitrarily selectable branch stories B 0, B 1, and B 2 between a bonding point Y for bonding to C. It is assumed that the recording state on the recording medium between the branch point X and the junction point Y is arranged as shown in FIG. 13B. Now, assume that the regeneration of the branch story B0 system is performed as shown in FIG. 13C. Then, the playback device must play back while jumping between cells. In practice, the pick-up performs processing while reading data and checking the data that has been read.
- the shortest story as a whole, in this example, the regeneration interval (jump distance) of B0 is the longest. Therefore, we focus on the shortest story.
- the capacity of one cell of B0 is VOZm.
- V I ⁇ (V i / m)
- T JP ⁇ [(V i / m) / J p].
- Jp is the code amount that the playback device can jump per unit time.
- Tp—Tr> TJP that the jump time to jump to the next cell is shorter than the playback time is added.
- the division points for obtaining the above cells should be determined according to the format of the data so that the reproduced data will not be disturbed. Therefore, there is no need to strictly divide a machine mechanically to satisfy only the above conditions. For example, in a video program having compressed video data, compressed audio data, compressed sub-video data, and the like in a time-division manner, a good time-divided point should be the cell division point.
- the cells include compressed video data, compressed audio data, and compressed sub-video data.
- the data should be divided into group-by-picture units with a playback time of about 0.4 to 0.5 s. Is preferred.
- each of the above-mentioned cells has its own identification number and the identification number of the cell to be continued next, it is convenient to handle during reproduction.
- management information that sets the cell playback order and the like is used by the control unit of the playback device. Used.
- the cell may include an error correction code in which the correction process is completed in the cell in order to improve data reliability.
- Blocks are blocks where cells from different branch scenes are brought in and combined.
- the scene cell block may include an error correction code completed in the scene cell block.
- the actual playback time for playing back the unplayed image of the playback cell read from the playback device bit-up by the playback circuit is T p
- the pickup searches for the next cell following the playback cell.
- the reading time until reading is T s
- the plurality of cells are divided and time-division multiplexed and arranged so as to satisfy a condition of a relation of T p> T s.
- the playback time for video playback by the playback circuit of the playback device is determined by the capacity of the buffer memory for storing the playback signal, the data amount X compression ratio, and the read clock frequency.
- the reading time is determined as a parameter—mainly the response time of the pickup—in the evening.
- the recording state between the branch point and the connection point is such that a plurality of branch scenes are respectively stored in a plurality of cells.
- the cells are divided, one cell corresponds to a predetermined video playback time, and the cells of each branch scene are time-division multiplexed. It is recorded in the form where it is located.
- the time required to seek a distance of a predetermined code amount is T s
- the data read code amount per unit time is R r
- the video playback per unit time is digested. Is assumed to be Pr.
- the T s and the time T c at which the playback device decodes one cell with a decoder to obtain a video playback output are
- FIG. 14 shows a configuration example of a reproducing apparatus for reproducing the above-mentioned information recording medium (optical disc).
- the disc 100 is mounted on a turntable 101 and is driven to rotate by a motor 102. Now, assuming that the playback mode is set, information recorded on the disc 1 • 0 is picked up by the bit-up unit 1 • 3.
- the pick-up units 1-3 are controlled for movement and tracking by the pick-up drive unit 104.
- the output of the pickup section 103 is input to the demodulation section 201 and demodulated.
- the demodulated data demodulated here is input to the error correction unit 202, and after error correction, is input to the demultiplexer 203.
- the demultiplexer 203 separates and derives video information, subtitles and character information, audio information, control information, and the like.
- disc 100 contains subtitles and text information (sub-pictures) corresponding to video information, This is because audio information and the like are recorded.
- various languages can be selected as captions, text information, and audio information, which are selected under the control of the system control unit 204.
- An operation input by the user is given to the system control unit 204 through the operation unit 205.
- the video information separated by the demultiplexer 203 is input to the video decoder 206 and subjected to decoding processing corresponding to the type of the display device. For example, it is converted to NTSSC, PAL, SECAM, wide screen, and the like.
- the sub-picture separated by the demultiplexer 203 is input to the sub-picture processing unit 207, and is decoded as a subtitle or a character image.
- the audio information selected and separated by the demultiplexer 203 is input to the audio decoder 211, demodulated, and output to the output terminal 212.
- the audio processing unit includes an audio decoder 2113 in addition to the audio decoder 211, and can reproduce audio of another language and output it to the output terminal 214.
- a buffer memory 222 is provided at the subsequent stage of the error correction section 202, and the playback data is temporarily stored in the buffer memory 220 and multiplexed according to the decoding speed.
- the system control unit 204 performs kick processing.
- the kick back process is to read data of a predetermined sector which has been read so far, and is a function of compensating for data loss even if data overflow occurs in the buffer memory 220.
- a selection of multi-story is displayed as a menu on a monitor screen or a sub-display section of the system, for example, as disc management information. You. The user can select a branch story in advance via the remote control operation unit 205 while viewing the menu.
- the system control unit 204 grasps the identification information of the branch story, and stores the data with the identification information added to the header in the buffer memory 220. Extract from 0 and apply to demultiplexer 203.
- the present invention when data of a plurality of stories and scenes is recorded on a recording medium, the physical movement distance of a big-up at the time of reproduction is reduced, and the reproduced video is interrupted. Disturbance can be suppressed.
- FIG. 15 shows the volume space of the optical disc 100.
- the volume space is composed of a volume and a volume. It consists of a file composition zone, a DVD video zone, and other zones.
- the volume and file configuration zone describes the UDF (Universa 1 Disk Format Specification Revision 1.02) bridge configuration, and the data can be transferred to a computer of a specified standard. It can be read.
- the DVD video zone consists of a video manager (VM G), video title set
- the video manager (VMG) and video title set (VTS) are each composed of multiple files.
- the video manager (VMG) is information for controlling the video title set (VTS).
- Figure 16 shows the structure of the video manager (VMG) and the video title set (VTS) in more detail.
- the video manager (VMG) consists of a video manager information (VMGI) as control data and a video object set as data for menu display. (VMGMVOBS). It also has a backup video manager information (VMGI) having the same contents as the VMGI.
- the video title set includes a video title set information (VTSI) as control data and a video object set (VTSI) as data for menu display.
- VTSI video title set information
- VTSMVOBS video title set
- VTSTT-VOBS video object set
- a backup with the same contents as the VMGI It also has a video title set information (VTSI) for video recording.
- VTSTTVOBS video object set
- VTSTTVOBS video object set
- Each cell (Ce11) is assigned a cell ID number.
- V0BU Video Object Unit
- ISVU Interleaved Unit
- the video object set is composed of a plurality of video objects (VOB-IDN1 to VOB-IDNi).
- One video object is composed of a plurality of cells (CIDN1 to CIDNj).
- one cell is composed of a plurality of video object units (VOBU :) or an inter-unit Dunnit described later.
- One video object unit is composed of one navigation pack (NV-PCK), multiple audio packs (APCK), multiple video packs (V-PCK), and multiple It consists of a sub-picture pack (SPPCK).
- the napige shot pack (NV-PCK) is used to perform a search of control data and video object units for controlling the reproduction and display of data in the video object unit to which it mainly belongs. Used as control data for.
- the video pack (V—PCK) is the main video information, and is compressed according to standards such as MPEG.
- the sub-picture pack (SP—PCK) is sub-picture information that has supplementary content to the main picture.
- An audio pack (A—PCK) is audio information.
- FIG. 18 shows an example in which the reproduction order of the above cells (Ce11s) is controlled by a program chain (PGC).
- PPC program chain
- program chain As the program chain (PGC), various program chains (PGC # 1, PGC # 2, PGC # 3 ') can be set so that the data cell playback order can be set variously. "). Therefore, selecting the program chain will set the cell playback order.
- FIG. 1 An example is shown in which programs # 1 to #n described by the program chain information (PGCI) are executed.
- the program shown in the figure has contents in which the cells subsequent to the cell specified by (VODBN # s, CIDN # 1) in the video object set (VOBS) are specified in order.
- the program chain is recorded in the management information recording section of the optical disc, and is used to read the video title set of the optical disc. This is the information that is read in advance and stored in the memory of the system control unit.
- the management information is placed at the head of the video manager and each video title set.
- FIG 19 shows the relationship between the video object unit (VOBU) and the video packs in this unit.
- Video data in VOBU is composed of one or more GOPs.
- the encoded video data conforms to, for example, IS0ZIEC13838-2.
- the GOP of VOBU is composed of I-pictures and B-pictures, and this data sequence is divided into video packs.
- interleaved units When multiple scenes with different viewpoints to the subject are recorded on the disc, an interleave block is constructed on the recording track to realize seamless playback.
- the interleave block is divided into a plurality of interleave units, each having a plurality of video objects (VOBs) having different angles.
- VOBs video objects
- the data is recorded in an array so that seamless reproduction is possible.
- a description was given of multiplexing a plurality of stories in a time-division manner. In that explanation, the blocks that were completely divided were also called cells. From now on, the blocks interleaved in particular will be referred to as interleaved units.
- Figure 20 shows an example of an interleave block arrangement. You. This example shows an example in which video objects 1 to m (V 0 B) are each divided into n interleaved units and arranged. Each video object (VOB) is divided into the same number of inter-units, and thus corresponds to the example of FIG. 7 described above.
- FIG. 21 shows that three (V0B), ie, angle 1 and angle 2 scene video objects each have three inter-review units (ILVU 1 — 1 to ILVU 3-1) (ILVU 1-2-ILVU 3-2) are shown, showing a recording state arranged on one track, and an example of a reproduction output when, for example, an ANGLE 1 is reproduced. In this case, angle 2 information is not captured.
- FIG. 22 shows a simplified version of the playback device shown in FIG.
- Vr is the transfer rate of data supplied from the error correction processing unit 220 to the track buffer 220
- Vo is the transfer rate of data supplied from the track buffer 220 to the decoder. Reading data from the disc is performed for each error correction block.
- One error correction block is equivalent to 16 sectors.
- FIG. 23 shows the worst case where the increase and decrease of the data input to the buffer 220 when the interleave block is reproduced is performed. At this time, the inventory on the recording track The process of reading and reproducing the jump junit and the jump junit data at the jump destination is executed.
- V r is the transfer rate of the data supplied from the error correction processing unit 22 ° to the track buffer 220
- V o is the data rate supplied from the track buffer 220 to the decoder. This is the transfer rate.
- T j is the jump time, which includes the time to seek a track and the necessary time associated therewith (latency time).
- b is the data size of one ECC block (for example, 261114 bits), and Te is the time required to read one ECC block into the buffer.
- B x is the amount of data remaining in the buffer 220 when the jump is started (time t 4).
- the data amount curve in FIG. 23 indicates that data is being stored in the buffer 220 at the accumulation rate of the slope (Vr-Vo) from the time point 2.
- the curve shows that the amount of data in the buffer became zero at time t6.
- the buffer overnight decreases from the time t3 at a small rate of a slope of one Vo and becomes zero at the time t6.
- the size of the interleaving unit is ILVUSZ
- V O Zm V O Zm
- P r corresponds to V o
- R r corresponds to V r.
- Equation (1) The right side of equation (1) is the jump time, and in equation (3), the number of sectors corresponding to this jump time is I (Tj X Vr X 10. + 2b) / (2048 x 8) 1. Strictly.
- equation (4) the dimension is represented by the amount of data, and in equation (3)
- T jp corresponds to T j + 2b.
- the capacity of the buffer memory should be such that the memory output data is not interrupted even if the playback device performs a kick knock operation and then jumps on the inter-review unit. Is desirable.
- Kickback is a situation where the pickup is waiting for a read while the disc rotates once, and seeks the read position to the next track after the disc has made one revolution. is there.
- FIG. 24 shows the time when a kickback operation is performed in the playback device, followed by the largest jump operation, and the data reduction status in the buffer memory.
- B m is the size of the track buffer
- T k is the kickback time (equivalent to one disk rotation time)
- Te is 1 ECC block reading time (24 msec)
- T j is the jump time
- the required track buffer size is Tk, t of the playback device.
- Tk Depends on Te, and tj depends on the performance of the seek operation.
- Tk and Te depend on the disk rotation speed.
- Figure 25 shows the minimum track buffer capacity (Bm) of a playback device that plays digital video discs, the kickback and seek times, the jump distance, and the number of tracks per unit time. An example of the design with the amount of output data from the back buffer is shown.
- FIG 26 shows a video title set (VTSI) in a video title set (VTS).
- VTS-PGCIT video title set program chain information table
- VTSI video title set information
- VOBS video object set
- VTS-PGCIT video title set program chain information table
- V T S I MAT ... This is a management template for video title set information, and describes what kind of information exists in this video title set, and describes the start address and the end address of each information.
- This is a tob title search point table, in which entry points of the title and the like are described.
- Video title set menu A program chain information unit table that describes the video title set menus written in various languages. Have been. Therefore, it is possible to confirm from the menu what kind of video title set is described, and what kind of style playback order is described.
- VTST MA PT... Video title set time map table This table is managed in each program chain and describes the information on the recording position of each V0BU that is indicated at a certain fixed interval. Have been.
- VTSMCADT Video title set menu This is a lure address table that describes the start and end dresses of the cells that make up the video title set menu.
- Video title set menu Video object tune address map In this map, the address of the menu video object tune is described.
- V TSC A D T ... Video title set cell address table. This map describes cell address information.
- the reproduction order of the cells is set by the program chain.
- NV—PCK included in the video object unit is referred to.
- NV—PCK has information for controlling display contents, display timing, and information for data search. Therefore, VPCK is extracted and decoded based on the information in the NVPCK table. In addition, other packs are taken out and decoded. In this case, A-PCK, SP_PCC # in the language specified by the manufacturer or user is taken out.
- FIG. 27 shows the contents of the video title set program chain information table (VTS-PGCIT).
- This table contains video title set PGCI table information (VTSPGCITI), video title
- the search pointer of the reset program chain information (VTSPGCISRP # 1 to #n) and the specific program chain information (VTS-PGCI) are described.
- VTSPGCITI describes the number of search pointers and the end address of this table.
- VT SPGCISRP #l to #n contains the number of titles of the target video title set as a category of the video title set program chain, and one block of the program chain. The type is described as the force that completes with a block, whether it follows another block chain, and so on.
- the start address of the video title set program chain is strong, and is described by the address relative to the start position of this table.
- FIG. 28 describes the structure of the program chain information (PGCI).
- PGCI includes general program chain information (PGCI-GI), program chain command table (PGCCMDT), program chain program map (PGCPGMAP), cell plan information (C-PBI), and cell location information table. (C—POSIT).
- PGCI-GI general program chain information
- PCCMDT program chain command table
- PPCPGMAP program chain program map
- C-PBI cell plan information
- C—POSIT cell location information table
- PGCI_GI describes the number of programs and cells to be included in this program chain (this information is called PGC content (PGCCNT)). It also shows all the play times that are targeted for this program chain. (This information is called PGC playback time (PGC-PB-TM)).
- PGC-PB-TM PGC playback time
- the program reproduced by this program chain contains a code indicating whether the user operation is permitted, for example, whether the angle can be switched. (Called PGCUPR—CTL).
- the code for the ability to switch audio streams and the type of audio stream eg, linear PCM, AC-3, MPEG, etc.
- PGC audio stream control table (This information is called the PGC audio stream control table (PGC—AST—CLTLT)). It also describes the power of switching sub-pictures and the code of what sub-pictures (eg, different aspect ratios) can be switched to. PGC sub-picture stream control table (called PGCSPSTCTLT).
- this PGC I _GI also describes the number of the next program chain and the number of the preceding program chain. It also describes whether the programs that are the subject of this program chain are for continuous playback, for random playback, and for shuffling. Control (called PGC—NV_C TL).
- PGC—NV_C TL a color specification is made as to what color the sub-picture should be displayed. (This information is on the PGC sub-picture palette.)
- the program chain command table describes the pre-command, the boss command, and the cell command of the program chain.
- Pre-commands are commands to be processed before the program chain is executed
- Boss commands are commands to be processed after the program chain is executed.
- the pre-command and the post command are based on the command parameters set by the creator of the player and the playback status of the video title and audio, and the playback stream. Used to define the site.
- the cell command is a command to be processed after the cell has been subjected to the regeneration process.
- the start address (PGCP GMAP) of the program map of the program chain indicates the configuration of the program that is the target of the program chain, and the entry cell number of the existing program Are described.
- the cell playback information table (C—PBIT) describes information indicating the playback order of the cells that are the target of the program chain.
- Figure 29 shows the cell playback information (C-PBIT) and the contents of the cell playback information.
- C—CAT is the cell information, Indicates the mode of cell block. The mode of the senore block indicates whether it is the first cell or the last cell. It also includes information on the power of seamless playback, whether or not it belongs to an interleave block, and information on seamless angle switching. Information on seamless angle switching indicates whether angle switching can be performed seamlessly or non-seamlessly.
- CPB TM indicates the cell playback time
- CFV 0 BUSA is the start address of the first video object unit (VOBU) of the cell
- CILVUEA is the first interleave unit (ILVU) of the cell.
- the end address of CFV 0 BUSA is the start address of the last video object unit (VOBU) of the cell
- CFVOBUEA is the end address of the last video object unit (VOBU) of the cell. Shows the door dress.
- the above address is described by a logical block number relative to the first logical block of VOBS to which the cell belongs.
- this cell playback information it is possible to determine whether the current playback state is the end of the cell.
- the next cell playback information in the cell playback information table is referred to, and the start address of the first VOBU of the next cell (or inter-live unit) is determined. 7 to decide.
- Figure 30 shows the contents of the cell location information table (CPSIT) Is shown.
- the cell location information includes the ID number (C-VOBIDN) of the video object containing the cell and the cell ID number (CIDN) of the cell.
- the management information describes the cell reproduction information, which includes the attribute information of the cell, and indicates whether or not the inter-pulit information such as multi-angle is recorded.
- FIG. 31 shows an example of the configuration of one pack and bucket.
- One pack consists of a pack header and a bucket.
- SCR system clock locked Li Hua Reference
- the pack time code is a code indicating the start of the pack
- the system clock reference (SCR) is information indicating the location of the entire playback apparatus in the elapsed playback time. is there.
- the length of one pack is 2048 bytes, and is defined and recorded as one logical block on an optical disc.
- One packet consists of a bucket header and video data, audio data, sub-picture data, or navigation data.
- the bucket's bucket header contains: Staffing may be provided. In some cases, padding is provided in the bucket at night.
- Figure 32 shows the NV—PCK (see Figure 17) taken out.
- NVPCK basically consists of a picture control format (PCI) pack for controlling the displayed image and a data search format existing in the same video object. It has a Shion (DSI) pack. Each pack is described with a pack header and a sub-stream ID, followed by data. A stream ID is described in each pack header, indicating that it is an NV-PCK, and a substream ID identifies PCI and DSI. The packet start code, the stream ID, and the packet length are described, followed by each data.
- PCI picture control format
- DSI Shion
- the PCI bucket is this NV. This is navigation data for changing the display contents in synchronization with the playback of the video data in the video object unit (VOBU) to which the packet belongs.
- VOBU video object unit
- the PCI packets include general information PCI General Information (PCIGI), non-seamless angle information (NS MLANGLI), and highlight information.
- PCIGI general information
- N MLANGLI non-seamless angle information
- HLI description
- RECI recording information
- the logical block number (NVPCKLBN) which is the address of this navigation pack
- the video object unit category (VOBUCAT) which indicates the attributes of the video object unit (VOBU) managed by this PCI
- the user operation control (VOBUU 0 PCTL) which is the user's operation prohibition information during the display period of the video object unit
- the start time (VOBUSPTM) of the display of the video object unit
- the video object unit Contains (VOBUEPT) which is the end time of the display.
- the first video specified by VOBU-SPTM is an I-picture in the MPEG standard.
- VOBUSEEPTM video object tune sequence end presentation time
- CE 1 TM the indicated cell elapse time
- NSML—ANGLI indicates the address of the destination at the time of the angle change. That is, the video obu tunit also has images taken from different angles.
- the address of the V0BU to be shifted to the next playback is written. Has been described.
- HLI is information for designating a specific area in the screen in a rectangular shape, and varying the brightness of this area, the power of the sub-picture displayed here, and the like.
- This information includes the Highlighted General Information (HL-GI) and the Button Color Information Table that allows the user to make button selections for color selection.
- B TN—COLIT B TN IT
- B TN IT button information table
- RECI is video, audio, and sub-picture information recorded in this video object unit, and describes what data is to be decoded. For example, they include the country code, the copyright holder code, and the date of recording.
- the DSI bucket is navigation data for executing a search for a video object tune.
- the DSI packet includes the DSI general information (DSI_GI), which is general information, the seamless playback information (SML PBI), and the seamless angle information.
- DSI_GI DSI general information
- SML PBI seamless playback information
- SYNCI synchronization information
- the ending address (VOBU 1 STR EFEA) of the first reference picture (I picture) for decoding first the second reference picture (P) for decoding first.
- End address of picture (VOBU 2 NDR EFEA)
- End address of third reference picture (B picture) for decoding first (VOBU 3 RDREFEA) This is strongly described.
- the ID number of the VOB to which this DSI belongs (VOBUVOBIDN), the ID number of the cell to which this DSI belongs (VOBUCIDN), and the cell error time indicating the relative elapsed time from the first video frame in the cell (VOBUCIDN) CE 1 TM) is also described.
- the V0BU to which this DSI belongs is a force that is an interleaved unit (ILVU), and a video object unit that indicates whether it is a reference unit (PREU) that indicates the connection of the video object. (VOBU_SML—CAT). It also indicates the end address of the interleaved unit (ILVUEA), the start address of the next interleaved unit (ILVUSA), and the size of the next interleaved unit (ILVUA).
- the Pre Unit (PREU) is the last unit of the BO VU just before the Inter Leave Unit.
- V0 BUS ML CAT a flag indicating whether or not the inter-unit is the unit at the time of the start and ending. A flag indicating whether or not the unit is current is described.
- FIG. 35 shows the contents of the seamless angle information (SML—AGLI).
- C1 to C9 indicate the number of angles, and even if information on up to nine angles exists, the address and size of the destination interleaved unit can be indicated.
- Fig. 36 shows VOBU search information (VOBUSRI). It is referred to during special playback.
- This information describes the start address of V0BU before (0.5 Xn) seconds before and after the start time of the current video object unit (VOBU).
- the VOBU stars from +1 to +20, 1060, 10120, and +240 are set as for-door addresses (FWD IN n) according to the playback order.
- the flag that the video pack exists in the address and its unit is described.
- the start address is described by the number of logical sectors relative to the logical sector at the head of the VOBU.
- FIG. 37 shows the synchronization information.
- the address of the target audio pack to be synchronized and the VOBU start address of the target sub-picture pack to be synchronized are described, and the management information as described above is described in the optical disc. .
- the system control unit of the playback device acquires the cell playback information by referring to the program chain information of the video manager. Then, by referring to the attribute information of the cell, it is recognized whether or not an interleaved unit block for a multi-angle is recorded. In the event that a re-venit block is recorded for multi-angle playback, seamless playback coasting information and simple angle information from NVPAC are acquired during playback, and the information is stored in buffer memory.
- the seamless angle information is referred to.
- the playback of the interleaved unit at the angle desired by the user is started.
- the seamless cell playback information contained in the acquired NV-PAC is referred to, and the next inter-unit replay to be played back is recognized.
- the cell playback information it is possible to determine whether the current playback state is the end of the cell.
- the next cell playback information in the cell playback information table is referred to determine the start address of the first VOBU of the next cell (or interleaved unit). become.
- the system control unit 204 of the playback device shown in FIG. 14 processes various management information, data such as program chains and navigation packs as described above, and also includes a remote control operation unit 205.
- a means for processing an operation input from the server is provided. Therefore, a means for detecting cell attribute information, cell reproduction sequence information, and branch scene switching information (angle information, etc.) is used. Then, in response to the operation input, the stream of the interunit nit to be reproduced is determined by referring to the coast information stored in the detecting means. In this case, kickback and jump processing are realized by controlling the tracking control unit of the pickup unit 103 and controlling the data fetch timing of the error correction unit 202.
- the present invention is applicable to the manufacture and sale of optical discs in multimedia, and the manufacture and sale of recording / reproducing devices for optical discs.
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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EP96943328A EP0814475B1 (en) | 1996-01-08 | 1996-12-27 | Information recording medium, recording method and reproduction apparatus |
KR1019970706116A KR100322853B1 (ko) | 1996-01-08 | 1996-12-27 | 정보기록매체및기록방법및재생장치 |
DE69627992T DE69627992T2 (de) | 1996-01-08 | 1996-12-27 | Informationsaufzeichnungsmedium, aufzeichnungsverfahren und wiedergabegerät |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP8/986 | 1996-01-08 | ||
JP98696 | 1996-01-08 |
Publications (1)
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WO1997025714A1 true WO1997025714A1 (fr) | 1997-07-17 |
Family
ID=11488933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP1996/003850 WO1997025714A1 (fr) | 1996-01-08 | 1996-12-27 | Support d'enregistrement de donnees, procede d'enregistrement et dispositif de reproduction |
Country Status (7)
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US (8) | US5913010A (ja) |
EP (1) | EP0814475B1 (ja) |
KR (1) | KR100322853B1 (ja) |
CN (1) | CN1104724C (ja) |
DE (1) | DE69627992T2 (ja) |
TW (10) | TW332287B (ja) |
WO (1) | WO1997025714A1 (ja) |
Families Citing this family (108)
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US8381126B2 (en) | 1992-12-14 | 2013-02-19 | Monkeymedia, Inc. | Computer user interface with non-salience deemphasis |
US20080158261A1 (en) | 1992-12-14 | 2008-07-03 | Eric Justin Gould | Computer user interface for audio and/or video auto-summarization |
US5623588A (en) | 1992-12-14 | 1997-04-22 | New York University | Computer user interface with non-salience deemphasis |
EP0814475B1 (en) * | 1996-01-08 | 2003-05-07 | Kabushiki Kaisha Toshiba | Information recording medium, recording method and reproduction apparatus |
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- 1996-12-27 WO PCT/JP1996/003850 patent/WO1997025714A1/ja active IP Right Grant
- 1996-12-27 CN CN96192416A patent/CN1104724C/zh not_active Expired - Lifetime
- 1996-12-27 KR KR1019970706116A patent/KR100322853B1/ko not_active IP Right Cessation
- 1996-12-28 TW TW086115086A patent/TW332287B/zh not_active IP Right Cessation
- 1996-12-28 TW TW086115084A patent/TW332285B/zh not_active IP Right Cessation
- 1996-12-28 TW TW085116211A patent/TW382122B/zh not_active IP Right Cessation
- 1996-12-28 TW TW086115082A patent/TW331626B/zh not_active IP Right Cessation
- 1996-12-28 TW TW086115080A patent/TW331624B/zh not_active IP Right Cessation
- 1996-12-28 TW TW086115081A patent/TW331625B/zh not_active IP Right Cessation
- 1996-12-28 TW TW086115087A patent/TW332288B/zh not_active IP Right Cessation
- 1996-12-28 TW TW086115079A patent/TW331623B/zh not_active IP Right Cessation
- 1996-12-28 TW TW086115085A patent/TW332286B/zh not_active IP Right Cessation
- 1996-12-28 TW TW086115083A patent/TW331627B/zh not_active IP Right Cessation
-
1997
- 1997-01-07 US US08/780,432 patent/US5913010A/en not_active Expired - Lifetime
-
1998
- 1998-06-04 US US09/090,250 patent/US6298195B1/en not_active Expired - Lifetime
- 1998-08-10 US US09/131,748 patent/US6035095A/en not_active Expired - Lifetime
- 1998-08-10 US US09/131,747 patent/US6181869B1/en not_active Expired - Lifetime
- 1998-08-10 US US09/131,742 patent/US6175681B1/en not_active Expired - Lifetime
- 1998-08-10 US US09/131,175 patent/US6222982B1/en not_active Expired - Lifetime
- 1998-08-10 US US09/131,746 patent/US6198874B1/en not_active Expired - Lifetime
- 1998-08-10 US US09/131,743 patent/US6360055B1/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07129624A (ja) * | 1993-09-08 | 1995-05-19 | Hitachi Ltd | ストーリ分岐があるマルチメディアデータファイルの格納方法及び装置、再生方法及び装置、マルチメディアデータファイル、記録媒体 |
JPH07334939A (ja) * | 1994-04-14 | 1995-12-22 | Toshiba Corp | 記録媒体及びその再生装置 |
Also Published As
Publication number | Publication date |
---|---|
DE69627992T2 (de) | 2004-05-19 |
KR100322853B1 (ko) | 2002-06-24 |
TW331626B (en) | 1998-05-11 |
TW332288B (en) | 1998-05-21 |
TW331627B (en) | 1998-05-11 |
TW331624B (en) | 1998-05-11 |
US5913010A (en) | 1999-06-15 |
CN1178028A (zh) | 1998-04-01 |
US6198874B1 (en) | 2001-03-06 |
TW332287B (en) | 1998-05-21 |
TW332286B (en) | 1998-05-21 |
US6298195B1 (en) | 2001-10-02 |
US6222982B1 (en) | 2001-04-24 |
US6175681B1 (en) | 2001-01-16 |
US6035095A (en) | 2000-03-07 |
TW332285B (en) | 1998-05-21 |
TW331625B (en) | 1998-05-11 |
CN1104724C (zh) | 2003-04-02 |
TW331623B (en) | 1998-05-11 |
KR19980702709A (ko) | 1998-08-05 |
EP0814475B1 (en) | 2003-05-07 |
TW382122B (en) | 2000-02-11 |
US6360055B1 (en) | 2002-03-19 |
EP0814475A4 (en) | 2000-05-17 |
EP0814475A1 (en) | 1997-12-29 |
US6181869B1 (en) | 2001-01-30 |
DE69627992D1 (de) | 2003-06-12 |
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