JPH08263969A - Larger capacity recording medium, method and device for reproducing information from the same and method and device for recording information in the same - Google Patents

Larger capacity recording medium, method and device for reproducing information from the same and method and device for recording information in the same

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Publication number
JPH08263969A
JPH08263969A JP7306068A JP30606895A JPH08263969A JP H08263969 A JPH08263969 A JP H08263969A JP 7306068 A JP7306068 A JP 7306068A JP 30606895 A JP30606895 A JP 30606895A JP H08263969 A JPH08263969 A JP H08263969A
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JP
Japan
Prior art keywords
information
data
volume
title set
file
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP7306068A
Other languages
Japanese (ja)
Other versions
JP2747262B2 (en
Inventor
Shinichi Kikuchi
Hidenori Mimura
Masatoshi Nakai
Kazuhiko Taira
Yuzo Tamada
英紀 三村
雅敏 中井
和彦 平良
雄三 玉田
伸一 菊地
Original Assignee
Toshiba Ave Corp
Toshiba Corp
東芝エー・ブイ・イー株式会社
株式会社東芝
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Priority to JP7-12049 priority Critical
Priority to JP1204995 priority
Application filed by Toshiba Ave Corp, Toshiba Corp, 東芝エー・ブイ・イー株式会社, 株式会社東芝 filed Critical Toshiba Ave Corp
Priority to JP7306068A priority patent/JP2747262B2/en
Publication of JPH08263969A publication Critical patent/JPH08263969A/en
Application granted granted Critical
Publication of JP2747262B2 publication Critical patent/JP2747262B2/en
Anticipated expiration legal-status Critical
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Abstract

(57) [Abstract] [Purpose] To provide a large-capacity recording medium in which selectable reproduction data and selection information capable of efficiently selecting the reproduction data are recorded. [Structure] On an optical disc (10) having a high recording density, one or a plurality of title sets (8) each of which is composed of a plurality of files (88) sectioned by logical sectors.
4) and a volume information file (82) for managing this title set (84) are recorded. In each title set (84), management information (141) of the title set (84) that manages itself and reproduction data as a reproduction object (144) are stored in different files (88). In the search of the optical disc (10), the volume information file (82) is first read to obtain the management information about the procedure for reproducing the reproduction object in the entire volume and the target title set (84).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a large-capacity recording medium, a method for reproducing information from a large-capacity recording medium and a reproducing apparatus therefor, and a method for recording on a large-capacity recording medium and a recording apparatus therefor, and in particular, at least One movie, a plurality of selectable languages for this movie, a plurality of sub-pictures and a large number of audio streams are recorded as reproduction information at a high density, and the reproduction information can be selected and reproduced. The present invention relates to a method for selectively reproducing reproduction information from an optical disc and a reproducing apparatus therefor, and a recording method for recording reproduction information on a high density optical disc and a recording apparatus therefor.

[0002]

2. Description of the Related Art Compact discs, so-called CDs, have already been developed as generally known optical discs, and such optical discs record and reproduce movie data over a long period of time in view of their storage capacity. Things are said to be difficult. From this point of view, optical discs capable of high-density recording of movie data have been studied,
It is being developed.

With such an optical disc having a large storage capacity, not only a single title movie but also a plurality of title movies can be recorded, and it is expected that the movie can be reproduced in various modes. R. As an example of playing various modes, a language, for example, not only the movie is played without dubbing the English, but the language,
For example, English is dubbed into another language, such as Japanese, and the original language as a sub-picture, such as,
It is expected that English will be displayed as sentences and the movie can be reproduced. Further, as another example, it is expected that the user can select not only a single story but also a plurality of stories regarding a movie story. That is, when reproducing a movie of a certain title, it is expected that it will be possible to select a movie story in which a cruel scene is excluded according to the user.

[0004]

In order to reproduce the movie data in various modes as described above, it is required to manage the reproduction data relating to the movie data and the like on the optical disk in advance so that the demand can be satisfied. In order to do so, it is required that the selection information regarding the selection of the reproduction data is recorded on the optical disc as the recording medium.

Further, conventional optical disks such as CDs are defined in the ISO standard on the assumption that the maximum storage capacity is 4 GB (2 32 bytes). In fact, most CDs
Has a storage capacity of 1 GB or less. Therefore, it is considered difficult to manage data having a data capacity of 4 GB or more. Therefore,
In an optical disk having a large storage capacity developed in recent years, the emergence of a method of efficiently managing data such as movie data having a storage capacity of 4 GB or more and rapidly reproducing the data in various modes is desired. ing.

An object of the present invention is to provide a large-capacity recording medium on which selectable reproduction data and selection information capable of efficiently selecting the selectable reproduction data are recorded.

Another object of the present invention is to reproduce information according to the selection information from a large-capacity recording medium in which selection information is stored together with selectable reproduction data so that the selectable reproduction data can be efficiently selected. There is provided a method and a reproducing apparatus therefor.

Further, an object of the present invention is to provide a method and a recording apparatus for recording selectable data on a large-capacity recording medium together with selectable information capable of efficiently selecting the selectable reproduction data. is there.

[0009]

According to the present invention, at least one data file in which a plurality of data cells, each of which stores reproduction data, are arranged, and a procedure for reproducing the data cell of each data file. And a volume management area in which information for managing each title set and information about the volume of the recording medium are stored. Provided is a recording medium in which information is recorded at high density, in which the title set area and the volume management area are divided on the boundary of a logical sector.

Further, according to the present invention, at least one data file in which a plurality of data cells, each of which stores reproduction data, are arranged, and information for managing a procedure for reproducing the data cell of each data file. Is a volume management area in which at least one title set area including a management file in which is stored, information for managing each of the title sets and information about the volume of the recording medium are stored, and the title is based on the volume management area. A volume management area in which a data cell of a set is reproduced, wherein the file, the title set area, and the volume management area are divided on a logical sector boundary from a recording medium on which information is recorded at high density. Read the volume management information, and based on this volume management information Means for reading raw procedure information and means for storing reproduced management information, wherein the reading means reads reproduction procedure information from the title set based on the stored volume management information, and reads the reproduction procedure information. Further, it is characterized by further comprising storage means for storing and output control means for taking out the data cell of the title set based on the reproduction procedure information stored in the previous term storage means, converting it into a reproduction signal and outputting it. Information playback device.

Further, according to the present invention, at least one data file in which a plurality of data cells, each of which stores reproduction data, are arranged, and information for managing the procedure for reproducing the data cell of each data file. Is a volume management area in which at least one title set area including a management file in which is stored, information for managing each of the title sets and information about the volume of the recording medium are stored, and the title is based on the volume management area. Volume management information from a recording medium in which information is recorded at a high density in which a volume, a title set area, and a volume management area of the set, in which data cells of a set are reproduced, are divided by logical sectors. And read the playback procedure based on this volume management information. A step of reading the information, a step of storing the reproduced management information, a step of reading the reproduction procedure information from the title set based on the stored volume management information, and storing the reproduction procedure information again; Based on the reproduced reproduction procedure information, a data cell of the title set is taken out, converted into a reproduction signal and outputted, and an information reproduction method is provided.

Furthermore, according to the present invention, the reproduction management data for generating the first file data in which a plurality of data cells, each of which has data stored therein, is generated and for specifying the reproduction procedure thereof, is generated. Generating means for generating and means for storing the reproduction management data as second file data, storing file management information relating to the first and second file data in the second file data and collecting the data as a title set. And means for generating a volume file that collects information about the title set and information about the volume of the recording medium itself,
An information recording apparatus comprising: a volume file and a recording unit for recording the title set in a data area of a recording medium in association with each other so that the title set can be read after the volume file. It

Further, according to the present invention, the reproduction management data for generating the first file data in which a plurality of data cells, each of which stores data, are generated and for specifying the reproduction procedure thereof. To generate
Storing the reproduction management data as second file data, storing the file management information about the first and second files in the second file data and collecting the data as a title set, and the information about the title set And a step of generating a volume file in which information about the volume of the recording medium itself is collected, and the volume file and the title set are recorded in the data area of the recording medium in association with each other so that the title set can be read subsequent to the volume file. And an information recording method including the step of:

[0014]

DETAILED DESCRIPTION OF THE INVENTION An optical disk reproducing apparatus according to an embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows a block of an optical disc reproducing apparatus for reproducing data from an optical disc according to an embodiment of the present invention, and FIG. 2 shows a block of a disc drive section for driving the optical disc shown in FIG. 3 shows the structure of the optical desk shown in FIGS. 1 and 2.

As shown in FIG. 1, the optical disk reproducing apparatus is
Key operation / display unit 4, monitor unit 6 and speaker unit 8
Is provided. Here, the user operates the key operation / display unit 4
The recorded data is reproduced from the optical disc 10 by operating the. The recording data includes video data, sub-video data and audio data, which are converted into a video signal and an audio signal. The monitor unit 6 displays an image by an audio signal, and the speaker unit 8 produces a sound by the audio signal.

As is known, the optical disc 10 has various structures. As the optical disc 10, for example, as shown in FIG. 3, there is a read-only disc on which data is recorded at high density. As shown in FIG. 3, the optical disc 10 comprises a pair of composite layers 18 and an adhesive layer 20 interposed between the composite disc layers 18. Each composite disk layer 18 is composed of a transparent substrate 14 and a recording layer, that is, a light reflection layer 16. The disc layer 18 is arranged so that the light reflection layer 16 contacts the surface of the adhesive layer 20. The optical disc 10 has a central hole 22
Around the center hole 22 on both sides thereof, a clamping area 24 for holding the optical disk 10 during its rotation is provided. When the disc 10 is loaded into the optical disc device, the spindle of the spindle motor 12 shown in FIG. To be done.

As shown in FIG. 3, the optical disc 10 is surrounded by the clamping areas 24 on both sides thereof.
It has an information recording area 25 in which information can be recorded. Each information recording area 25 has an outer peripheral area in a lead-out area 26 in which information is not normally recorded, and an inner peripheral area in contact with the clamping area 24 in a lead-in area 27 in which information is not normally recorded. Further, a data recording area 28 is defined between the lead-out area 26 and the lead-in area 27.

In the recording layer 16 of the information recording area 25, normally, a track is continuously formed in a spiral shape as an area for recording data, and the continuous track is divided into a plurality of sectors. Data is recorded in the standard. Data recording area 28 of information recording area 25
Is an actual data recording area in which management data, main image data, sub-image data, and audio data are similarly recorded as pits (that is, changes in physical state), as described later. In the read-only optical disc 10,
A pit row is previously formed with a stamper on the transparent substrate 14,
A reflective layer is formed by vapor deposition on the surface of the transparent substrate 14 on which the pit row is formed, and the reflective layer is formed as the recording layer 16. Further, in the read-only optical disc 10, normally, no groove is provided as a track, and a pit row formed on the surface of the transparent substrate 14 is defined as a track.

As shown in FIG. 1, such an optical disc 10 further includes a disc drive unit 30 and a system CP.
The U unit 50, the system ROM / RAM unit 52, the system processor unit 54, the data RAM unit 60, the video decoder 58, the audio decoder unit 60, the sub-picture decoder unit 62, and the D / A and data reproducing unit 64.

As shown in FIG. 2, the disk drive unit 30
Is a motor drive circuit 11, a spindle motor 12,
An optical head 32 (that is, an optical pickup), a feed motor 33, a focus circuit 36, a feed motor drive circuit 37, a tracking circuit 38, a head amplifier 40, and a servo processing circuit 44 are provided. Optical disc 10
Is placed on a spindle motor 12 driven by a motor drive circuit 11, and is rotated by this spindle motor 12. An optical head 32 for irradiating the optical disc 10 with a laser beam is placed under the optical disc 10. The optical head 32 is placed on a guide mechanism (not shown). Feed motor drive circuit 37
Are provided for supplying a drive signal to the feed motor 33. The motor 33 is driven by the drive signal to move the optical head 32 in the radial direction of the disk 10. The optical head 32 includes an objective lens 34 that faces the optical disc 10. The objective lens 34 is
It is moved along its optical axis according to the drive signal supplied from the waste circuit 36.

In order to reproduce data from the above-mentioned optical disc, the optical head 32 irradiates the optical disc 10 with a laser beam via the objective lens 34. The objective lens 34 is finely moved in the radial direction of the disk 10 according to the drive signal supplied from the tracking circuit 38. Also,
The focus of the objective lens 34 is the recording layer 1 of the disc 10.
In accordance with the drive signal supplied from the focusing circuit 36 so as to be positioned at 6, fine movement is performed along the optical axis direction. As a result, the laser beam forms a minimum beam spot on the spiral track (ie, pit row),
The track is tracked with a light beam spot. The laser beam is reflected from the recording layer 16 and returned to the optical head 32. The optical head 32 converts the light beam reflected from the optical disk 10 into an electric signal, and the electric signal is supplied from the optical head 32 to the servo processing circuit 44 via the head amplifier 40. The servo processing circuit 44 generates a focus signal, a tracking signal, and a motor control signal from the electric signal, and outputs these signals to the focus circuit 3 respectively.
6, the tracking circuit 38, and the motor drive circuit 11.

Therefore, the objective lens 34 is moved along its optical axis and the radial direction of the optical disk 10, its focus is located on the recording layer 16 of the optical disk 10, and the laser beam causes the minimum beam spot to be on the spiral track. Form. Further, the motor drive circuit 11 rotates the spindle motor 12 at a predetermined rotation speed. as a result,
The pit train by the light beam is tracked by the light beam, for example, at a constant linear velocity.

A control signal as an access signal is supplied to the servo processing circuit 44 from the system CPU section 50 shown in FIG. The servo processing circuit 4 responds to this control signal.
4 supplies a head movement signal to the feed motor drive circuit 37, and this circuit 37 sends the drive signal to the feed motor 3
3 will be supplied. Therefore, the feed motor 33
Are driven, and the optical head 32 is moved along the radial direction of the optical disc 10. Then, the optical head 32 accesses a predetermined sector formed on the recording layer 16 of the optical disc 10. The reproduction data is reproduced from the predetermined sector, supplied from the optical head 32 to the head amplifier 40, amplified by the head amplifier 40, and output from the disk drive unit 30.

The reproduced data output is RO for the system.
System CPU section 50 and system processor section 54 controlled by programs recorded in M and RAM section 52
It is stored in the data RAM unit 56 via. The stored reproduction data is processed by the system processor unit 54 and classified into video data, audio data and sub-picture data, and the video data, audio data and sub-picture data are respectively video decoder unit 58 and audio decoder unit 60. And output to and decoded by the sub-picture decoder unit 62. The decoded video data, audio data and sub-picture data are converted into a video signal, an audio signal and a sub-picture signal as an analog signal by the D / A and reproduction processing circuit 64, and are mixed and processed to obtain the video signal and the sub-picture. The signal is displayed on the monitor 6.
Also, audio signals are supplied to the speakers 8, respectively.
As a result, an image is displayed on the monitor unit 6 by the video signal and the sub-image signal, and a sound is reproduced from the speaker unit 8 by the audio signal.

The detailed operation of the optical disk device shown in FIG. 1 will be described later in detail with reference to the logical format of the optical disk 10 described below.

The data recording area 28 from the lead-in area 27 to the lead-out area 26 of the optical disk 10 shown in FIG. 1 has a volume and file structure as shown in FIG. This structure has a specific format as a logical format, for example, micro UDF (micro UDF).
DF) and ISO 9660.
As shown in FIG. 4, this volume and file structure has a hierarchical structure, and includes a volume management information area 70, a volume information file 82, and a video title set 84.
And / or a file area 80 containing an audio title set 86. These areas are divided on the boundaries of logical sectors. In the volume management information area 70, the contents defined in the above standard are recorded. Further, the file area 82 stores video data, audio data, and management data for managing these data. In other words, video title set 8
4, video data, sub-picture data and audio data are stored, and the audio title set 86 includes
Audio data is stored, and also management data regarding the volume information file 82, the video title set 84, and the audio title set 86 is stored.

The volume management information area 70 is, for example,
It corresponds to a root directory defined in accordance with micro UDF and ISO9660, and describes a path table and a directory record. Video title set 84 and audio title set 86
Are in the root directory, each with a directory name, and each video and audio title set 84,
86 is divided into a plurality of video or audio files 88, and each file 82, 88 has a maximum size of 1 GB (2 30
Bytes). Here, the title sets 84 and 86 are defined as a set of at least one file 88 and are usually divided into 10 files. Therefore, one title set 84, 86
It will have a size of GB or more, usually within 10G.

The volume information file 82 read via the path table and the directory record described in the volume management information area 70 has the area shown in FIG. 5 similarly divided on the boundary of the logical sector.
More specifically, this volume information file 82 is 2
It is divided into two areas, that is, a management area 82-1 and a menu data area 82-2. The management area 82-1 is
It consists of one file manager, three tables, and one table group to manage the entire file. The menu data area 82-2 is composed of one menu and one menu group in order to compose a menu screen with video, audio, sub-picture and the like. That is, in the management information area 82-1 of the volume information file 82, the volume information file manager (VMIFM) and the text information table 92 (TX
TIT), title set information search pointer table 93 (TSISPT), title set attribute table 9
4 (TSATRT) and title set menu program chain information block table group 95 (TS
MPGCIBTG) is prepared. Further, in the data area 82-2 of the volume information file 82, the video object 96 (VOBVMM) for volume menu is displayed.
Also, a video object 97 (VOBTSM) for a menu of title sets from the first to the nth is prepared. Video Object 96 (VOBVMM), 97
The (VOBTSM) stores video, sub-picture, and audio data that form a menu, as will be described later.

The objects include menu video objects 96 and 97 as video data for reproducing the menu stored in the volume information file 82, and audio data for reproducing the menu. There is an audio object for the menu, and as will be described later, the audio object as the video data for reproducing the story of a certain title stored in the title sets 84 and 86 and various record titles. There is an audio object as audio data that is the target of playing a song.

Volume information file 82 (VMIF)
Has a size of 1 G or less as a file. The title sets 84 and 86 are acquired by referring to the volume information file manager 91 (VMIFM) of the volume information file 82.

Volume information file manager 91
As shown in FIG. 5, the volume information file management table 101 (VMIFMT), the title search pointer table 102 (TSPT), and the volume menu program chain, which are also divided on the boundaries of the logical sectors, are included in (VMIFM). Information block table 104 (V
MMPGCIBT).

Volume information file management table 10
1 (VMIFMT) has a volume information file 82.
Information regarding the volume information file 82 (VMIFID) and its size, the start and end addresses of each table, the attribute information on the video object 96 (VOBVMM) for the volume menu, that is, for the volume menu. Information indicating attributes of video, audio, sub-picture, etc. is described. Specifically, FIG.
Volume information file management table (V
MIFMT) 101 has a volume information file 82
(VMFID) that indicates that the volume information file size is represented by the number of logical sectors (SZV
MIF), and a volume attribute (VMCAT) indicating a category such as whether or not this volume can be copied. In addition, this management table (VMIFMT) 10
1, the start address (SATXTIT) of the text information table (TXTIT) 92, the start address (SATSISPT) of the title set information search pointer table (TSISPT) 93, the start address (SATSATRT) of the title set attribute table (TSATRT) 94, Title set menu Program chain information Block table group (TSMP
GCIBTG) 95 start address (SATSMP)
GCIBTG) and start address (SA) of video object (VOBVMM) 96 for volume menu
VOBVMM) is described.

Further, the volume information file management table (VMIFMT) 101 includes a final address (EAVMIFMT) of the volume information file management table (VMIFMT) 101 and a start address (SATSP) of the title search pointer table (TSPT) 102.
T), the start address (SAVMMPGCIBT) of the volume menu program chain block table (VMMPGCIBT) 104, the volume menu program chain block table (VMMPGCI)
BT) 104 final address (EAVMMPGCIB
T) is described. Furthermore, in the volume information file management table (VMIFMT) 101, the video attributes (VMMVATR) of the volume menu, for example, attribute information such as video compression mode, the number of audio streams of the volume menu (VMMNAST), and the audio of the volume menu audio. Stream attribute (VMMAA
TR), for example, attribute information such as audio coding mode, the number of sub-pictures in the volume menu (VMMMNSPS)
T), attribute of sub-picture of volume menu (VMMSP
ATR), for example, attribute information such as sub-picture coding mode, sub-picture genre palette of the volume menu (VMMS)
PPLT) is described. In the volume information file management table (VMIFMT) 101, the start address and end address are expressed as the number of logical sectors relative to the head logical sector of the volume information file 82. However, the start address (SATSP
T, SAVMMPGCIBT, EAVMMPGCIB
T) is expressed as a relative number of logical bytes. If these start addresses do not exist, this is stated.

Title search pointer table (TSP
T) 102 includes search information for setting a title corresponding to a remote control operated by the user, that is, key operation and an input number from the display unit 4. In other words,
The title search pointer table (TSPT) 102 describes information regarding the selection of the program chain corresponding to the input number from the remote controller. In this title search pointer table (TSPT) 102, the number of selectable titles, the title set number of the title corresponding to the input number selected and input by the user,
Information indicating the start program chain number for executing playback control and the start address of the title set is described. Specifically, this title search pointer table (TS
In PT) 102, the title type indicating whether it is a video title or an audio title as shown in FIG. 7, the number of title sets (TSN), or a number selected at the device side is first selected. The program chain number (PGCN) and the start address (SATS) of the title set are described.

The volume menu program chain information block table (VMMPGCIBT) 104 has volume menu program chain information (VMMPG) for generating a volume menu for each language.
I) is described. In other words, this table (VMM
PGCIBT) 104 includes control information for reproducing and selecting a title menu for title selection and a language menu for language selection for each language, for example, English, German, Japanese, etc. . Here, the program chain corresponds to a sequence for reproducing a video title, an audio title, a video title set menu, and a volume menu, that is, a story, as will be described later with reference to FIG. 28, and this sequence or story. It is defined as a set of selected programs for realizing. Program chain (PG
C) corresponds to a set of a plurality of programs configured by arranging selected one or a plurality of cells. Within the program chain, the programs are numbered from 0 to i according to the arrangement order. It is attached.

This volume menu program chain information block table (VMMMPGCIBT) 104
8, information about the volume menu program chain information block table 104 (VMMMPGCIBTI) 111, a plurality of volume menu language block search pointers (VMMLBSP) 112 provided for each language in this volume, and the like. A plurality of volume menu language blocks (VMMLB) 113 provided for each language in this volume
Is described. Volume menu program chain information block table information (VMMMPGCIBTI) 1
11 shows the number of languages (NVMMLANG) in the volume menu as shown in FIG. 9 and this table 10
The information about the final address (EAVNNNPGCIBT) of No. 4 is described, and the volume menu language block search pointer (VMMLBSP) 112 has a code of a predetermined language designated by this pointer (VMMLBSP) 112 as shown in FIG. VMMLCOD
E) and the start address (SAVMMLB) of the volume menu language block 113 (VMMLB) corresponding to the language code are described.

Volume menu language block (VMM
The LB) 113 is composed of volume menu language block information (VMMLBI) 108 and volume menu program chain information (VMMPGCI) 109 for the same language, as shown in FIG. This volume menu language block 113 (VMMLB
I) includes the language block 1 as shown in FIG.
13 (VMMLB) final address (EAVMML
B), the number of title menus (NTM) of this language block 113 (VMMLB), information (IVMMPGCITM) such as start address of volume menu program chain information (VMMPGCI) for the title menu expressed in this language, language menu Number of (NL
M) and information (IVMMPGCILM) such as the start address of the volume menu program chain information (VMMPGCI) for the language menu.

In the volume menu program chain information (VMMPGCI), as shown in FIG. 12, the relative start address (CFPLSN) of the volume menu in the menu object, and the titles (the number of sub-pictures) selectable in the menu n ( SELECTN), select #
From the number (TSN) of the title set of No. 1 selected from the number (TSN) of the title set of #n and the start address of the title set of selection start number # 1, the start address of the title set of selected start number #n (from the first to the first Described are the sub-picture stream numbers (SPN) selected up to n.

The text information table (T
In the XTIT) 92, information such as titles and album names in the volume, casts thereof, producers, production dates, etc. is described in a text format. This text information table (TXTIT) can be used in a general personal computer.

The title set information search pointer table (TSISPT) 93 shown in FIG. 5 provides information on a menu prepared for each title set in the volume. In this, a title set having a menu, a start address in each title set attribute table, a start address in the program chain block table for the title set menu, and information indicating the start address of the video object for the title set menu are described. . More specifically, the title set information search pointer table (TSISPT) 93
Includes information (TSISPT) of the title set information search pointer table (TSISPT) as shown in FIG.
PTI) followed by the title set information search pointer (TS) of the first to nth title sets.
ISP) is described. The title set information search pointer table information (TSISPTI) includes
As shown in, the number of title sets (NTS) and the final address of this table information (TSISPTI) are described. Also, the title set information search pointer (T
In the SISP, as shown in FIG. 15, the title set attribute (TSCAT) and the title set attribute table (T
SATRT) 94 start address (SATSATR),
The start address of the title set menu program chain information block table group (TSMPGCIBTG) 95 and the start address of the video object (VOBTSM) of the title set are described.

The title set attribute table (TSATRT) 94 shown in FIG. 5 provides each title in the volume and the attribute information of its title menu. Information indicating the number of streams of video, audio, and sub-picture, and attributes such as the compression mode and data structure of each stream is described therein. More specifically,
As shown in FIG. 16, the title set attribute (TSATR) 117 is described for each title set, and the parameters shown in FIG. 17 relating to the attribute information of the video title set (VTS) and the video title set menu (VTSM) are the title set attribute (TSATR). 117. This parameter contains the video attributes (VTS
ATR), the number of audio streams of the video title set (VTS) (VTSNAST), the attribute of the audio stream of the video title set (VTS) (VTSAATR), the number of audio streams of the video title set menu (VTSM) (VTSMN).
AST), video title set menu (VTSM)
Audio stream attribute (VTSMAATR) of video title set (VTS)
NSPST), video title set (VTS) sub-picture attribute (VTTSPATR), video title set menu (VTSM) number of sub-picture streams (VTSM)
NSPST), video title set menu (VTS
M) sub-picture attribute (VTSMSPATR) and sub-picture palette (VTSSSPLT) are described.

In addition, the audio title set (AT
Similarly for the attribute information of S), the parameters shown in FIG. 18 are described in the title set attribute (TSATR) 117. This parameter includes the video attribute of the sub video (ATSVATR), the number of audio streams (AT
SNAST), audio stream attribute (ATSAA
TR), the number of sub-picture streams (ATSNSPST),
There is a description of sub-picture attribute (ATSSPAATR) and sub-picture palette (ATTSSSPLT).

Title set menu program chain information block table group (TS
19 is a title set menu PGC block table (TSMPGCCIBT) for each video title set (VTS), as shown in FIG.
These block tables (TSMPGCIBT) 119 are defined as a set of 119, and the reproduction control and item selection of the video object for menu of the title set prepared for each title in the volume are executed. In each title set menu PGC block table (TSMPGCIBT) 119, the number of languages prepared for each title and its language code, the number of menus such as sub-picture, audio and program for each language,
The reproduction control information of each of them is described.

More specifically, the title set menu PGC block table (TSMPGCIBT) 119.
Describes information about a video title set menu program chain (VTSMPGC) that plays a video title set (VTS) in each language. This PGC block table (TSMPGCIBT) 11
As shown in FIG. 20, a video title set menu program chain information block table information (VTSMPGCIBTI) 121, a video title set menu language block search pointer (VTSMLBSP) 122 for multiple languages, and a video for multiple languages are shown in FIG. Title set menu language block (VT
SMLB) 123 is described.

Video title set menu Program chain information Block table information (VTSMPGCI
21, the number of languages of the video title set menu (NVTSML), this block table information (VTSMPGCIBTI) 1 is included in the BTI) 121.
The final address of 21 (EAVTSMPGCIBT) is described. Further, the VTSM language block search pointer (VTSMLBSP) 122 has a video title set language code (VTS) as shown in FIG.
MLCODE), and the final address (SAVTSMLB) of the VTSM language block search pointer (VTSMLBSP) 122 is described.

The video title set menu language block (VTSMLB) 123 is a block of program chain information of the video title set menu grouped for each language. As shown in FIG. 23, the video title set language block information (VTSMLB).
I) 124 and program chain information (VTSMPGCI) 125 for each video title set menu are described. VTSM language block information (VTSMLB
24, the final address (EAVTSMLB) of the VTSM language block information (VTSLMLBI) 124, the number of author menus (NAT)
M), information on the program chain information (VTSMPGCI) of the VTS menu related to the author menu (IVT
SMPGCIATM), number of sub-picture menus, (NSP
M), information on the program chain information (VTSMPGCI) of the VTS menu related to the sub-picture menu (IVT
SMPGCISPM), number of program menus (NP
GM) and VTS menu program chain information (VTSMPGCI) information (IVTSMPGCIPGM) related to the program menu. VT
S program chain information (VTSMPGCI) 125
For example, as shown in FIG. 25, for a sub-picture menu, the start address (CFPLSN) of the menu in the menu object, the number of sub-pictures n (SELSPN) selectable in the menu, and the first to nth The selected sub-picture stream number (SPN) and the like are described.

The menu data area 82-2 shown in FIG. 5 has a volume menu video object (VOBVM) as the menu data as already described.
96 and a video object (VOBTSM) for the title set menu. The volume menu video object (VOBVM) 96 includes a data group that configures a title menu screen for selecting a title of the entire volume and a main menu screen surface for selecting a language for each language. The data group to be stored is stored. Further, the title set menu video object (VOBTS) is provided with menu blocks for the number of title sets, and constitutes a menu screen surface for selecting a sub-picture, audio and program in the title for each language. The data group to be stored is stored.

Here, the volume menu video object (VOBVM) 96 and the title set menu video object (VOBTSM) both have the structure of the video object 130 shown in FIG. That is, as shown in FIG. 26, the video object 130 includes a video pack 131 and a sub-picture pack 1.
32, audio pack 133, video blanking (VBI) pack 134, and data search information (DS
I) Packs 135 are arranged. The video object 130 is an MPEG standard (ISO / IEC13818).
It is constructed according to the program stream specified in the system section of -1).

These packs 131 to 135 are MPEG
As shown in FIG. 27, as defined in the standard, it has a structure of a pack 139 composed of a pack header 137 and a packet 138 following the pack header 137, and its pack length is set to 2048 bytes corresponding to one logical sector. ing. The pack header 137 stores control information such as time information, and the packet 138 stores video data, audio data, sub-picture data, and video blanking information (VB).
I) or disc search information (DSI) and control information regarding these data or information are stored.

The video title set (VTS) 84 will be described with reference to FIG. The video title set (VTS) 84 has five areas separated on the boundaries of logical sectors as shown in FIG. Each of these five areas contains video title set management information (VTS
MI) 141, video title set time search map table (VTSMAPT) 142, video object of the video title set (VOBTSM) 144, video object of the title set menu (VOBT)
SM) 145 and volume menu video object (VOBVMM) 146. The video title set management information (VTSMI) 141 includes
Management information of the video title set (VTS) 86,
For example, the attribute information of the video title set (VTS) 86, the information about the program chain or program in the video title set (VTS) 86, and the like are described. In the video title set time search map table (VTSMAPT) 142, information on the recording position of the video data of each program chain of the video object (VOBTSM) 144 in the video title set (VTS) 86 is described. Video object of video title set (V
The OBTSM) 144 has the structure of the object 130 which has already been referred to FIG. The video object (VOBTSM) 145 of the title set menu corresponds to one of the video objects (VOBTSM) 97 of the title set menu shown in FIG. 5, and each video title set 8 in the volume information file 82.
4 title set menu video object (V
OBTSM) 145 is collected in the menu data area 82-2 of the volume information file 82 shown in FIG. Similarly, the video object (VOBVMM) 146 of the volume menu corresponds to the video object (VOBVMM) 96 of the volume menu shown in FIG. 5, and the same video object (VOBTSM) 9
It has 7 structures.

Next, referring to FIG. 29, pack 139, cell 140, program, program chain (PG
C), the file 88, the object 130, and the title sets 84 and 86 will be described.

As already described with reference to FIG. 4, the title sets 84 and 86 are composed of at least one file 88 and a maximum of 10 files partitioned on the boundary of the logical sector, and already refer to FIG. As described above, it also has a structure divided on the boundary of the logical sector. Management information (VTSMI) 1 shown in FIG. 28
41, map table (VTSMAPT) 142, video objects (VOBTS, VOBTSM, VOBV)
MM) 144, 145, 146, even if each is stored in one file 88 according to the amount of data, or the management information (VTSMI) 141 and the map table (VTS).
The MAPT) 142 may be stored in one file 88, or the video object (VOBTS) 144 may be stored in one or a plurality of files 88. When the reproduction data is movie data, the video object (VOBTS) 144 normally stores the video data across a plurality of files 88.

Further, the video object 130 is shown in FIG.
As shown in FIG. 9, a large number of video cells 150 are arranged and configured, and each cell 150 has a DSI pack 135, VB.
1 GOP (Group of Pictur) as a set of I pack 134, sub-picture pack 132 and audio pack 133
A plurality of GOP packs 139 are arranged on the basis of e). Here, a movie story is
It is expressed by a continuous sequence that corresponds to “start”, “accept”, “roll”, and “conclusion”, and each chapter of this sequence corresponds to a program. Therefore, each program
Each object 13 is defined as a set of cells 150.
In 0, a plurality of programs are defined according to the cell arrangement order, and numbers from the first program to the last program are given. A set of such programs is defined as a program chain (PGC) as a sequence. One program chain may be stored in one object 130, or a plurality of program chains may be stored.

Next, referring again to FIG. 1, FIG. 4 to FIG.
The reproduction operation of movie data from the optical disc 10 having the logical format shown in FIG. 30 will be described with reference to FIGS. 30, 31, 32 and 33. In FIG. 1, solid arrows between blocks indicate data buses, and broken arrows indicate control buses.

First, the operation flow until the volume menu is displayed will be described with reference to FIGS. 30 and 31. In the optical disk device shown in FIG. 1, when the power is turned on and the optical disk 10 is loaded, the system CPU section 50 reads the initial operation program from the system ROM and RAM 52 and operates the desk drive section 30. Therefore, the disk drive unit 30 is shown in FIG.
The read operation starts from the lead-in area 27 as shown in step S10 of 0, and follows the lead-in area 27 as shown in step 11, which is a volume management area in which a volume and a file structure are defined according to ISO-9660 or the like. 70 is read. That is, the system CPU unit 50
Is the disc 1 set in the disc drive unit 30.
In order to read the volume management information area 70 recorded at a predetermined position of 0, a read command is given to the disk drive unit 30 to read the contents of the volume management area,
Via the system processor unit 54, the data RAM unit 5
Store in 6 once. As shown in step 12, the system CPU unit 50 manages the information such as the recording position and recording capacity of each file through the path table and the directory record stored in the data RAM unit 56 and other necessary management information. Information extraction, system ROM
&& Transfers to a predetermined place in the RAM unit 52 and saves it.

Next, the system CPU section 50 refers to the information on the recording position and the recording capacity of each file obtained in step 12 from the system ROM & RAM section 52 and creates the volume information file 82 corresponding to the file number 0. get. That is, the system CPU section 50 gives a read command to the disk drive section 30 by referring to the information of the recording position and recording capacity of each file acquired in step S12 from the system ROM and RAM section 52, and in step S13. As shown in, the volume information file 82 whose file number existing in the root directory is 0
Of the volume information file 82, the volume information file 82 is read out and stored in the data RAM section 56 via the system processor section 54. The volume information file manager (VMIFM) 91, which is the first table of the volume information file 82, is searched in step S14.

In step S14, the system CPU
The unit 50 manages the volume information file (VMIF
M) 91, which is the first table in the volume information file management table (VMIFMT) 1 shown in FIG.
Search for 01. In step S15, the volume menu PGC information block table (VMMPGIB
T) 104 start address (SAVMMPGCIBT)
And final address (EAVMMPGCIBT) and video object for volume menu (VOBVM)
M) 96 start address (SAVOBVMM) is obtained by system CPU 50.

In step S16, step S14
Volume information file manager (VM
IFM) 91 volume information file management table
The system CPU 50 acquires the number of streams of video, audio, and sub-picture for volume menu described in (V IIFT) 101 and their attribute information. Based on the attribute information acquired in step S16, parameters for volume menu reproduction are set in each of the video decoder 58, audio decoder 60, and sub-picture decoder 62, as shown in step S15.

The volume menu PGC information block table (VJMGCIBIB) acquired in step S15.
T) 104 start address (SAVMMPGCIBT)
From the last address (EAMVMPGCIBTI),
As shown in step S17, the volume menu PGC
The table of the information block table (VMMPGCIBT) 104 is acquired. Volume menu PGC information block table (VMMP obtained in step S17)
VM shown in FIG. 8 in the GCIBT) 104 table.
From MLANG information (VM GGCIBTI) 111,
As shown in step S17, the number of volume menu languages used in the volume menu n (NVMMLAN
G) is acquired. Volume menu language block search pointers prepared by the number of volume menu languages n (VMMLANG) acquired in step S18
The m-th (m = 0) in (VMMLBSΡ) 112 is searched in step S19 and the volume menu language code (N
VMMLANG) is obtained.

This volume menu language code (NV
It is confirmed whether MMLANG) matches the language code of the player system preset in the ROM 52 of the system shown in FIG. 1 as shown in step S20 of FIG. If they do not match, the number n of languages to be searched is reduced as shown in step S21, and the volume menu language written in the (m + 1) th volume menu language block search pointer (VMMLBSΡ) 112 is written. Code (VMMLCODE)
Is acquired and step S20 is repeated again. In this way, the search for the language code is repeated. When the number n of languages to be searched becomes zero as shown in step S22, it is determined that there is no matching language code, and as shown in step S23, the first m-th volume menu language block search pointer (VMML).
BSM 112) and the volume menu language block (VMML) described in this volume menu language block search pointer (VMMLBSΡ) 112.
B) The start address (SAVΜΜLB) of 113 is acquired. Here, in the player system shown in FIG. 1, a code of the language of the destination of use, such as Japanese in Japan or English in the United States, is preset in the system ROM 52.

If there is a language code that matches the language code of the player system in step S20, the start address (SAVML) of the volume menu language block (VMLB) 113 of the corresponding volume menu language block search pointer (VMMLBSP) 112 is found.
B) is acquired. Start address (SAVMMLB) of volume menu language block (VMLB) 113
The volume menu language block (VMMLB) 113 is acquired as shown in step 24.

Volume menu language block information (VMMLBI) 1 in the table of the volume menu language block (VMMLB) 113 acquired in step 24.
Number of title menus (ΝTΜ) in 08 and title menu PGC information corresponding to the number of menus
Volume menu PGC information (VMMMPGC) from (IVMMPGCITM) to step S25.
I) 109 is determined, and the relative start address (CFPLSN) of the video object for the volume menu which constitutes the first title menu screen described therein is acquired.

Similarly, the number of language menus in the volume menu language block information (VMMLBI) in the volume menu language block (VMMLB) table.
(ΜLM) and the language menu PGC information (IVMMPGCILΜ) corresponding to the number of menus from the volume menu PGC information (IVMMPGCILΜ) as shown in step S26.
VMMPGCI) is determined, and the relative start address (CFPLSN) of the video object for the volume menu that constitutes the first language menu screen described in it
Is obtained.

The relative start address of the volume menu video object acquired in steps 25 and 26 is added to the start address (SAVOBVMM) of the volume menu video object (VOBVMM) acquired in step 15 in step 27 to obtain the target volume. The program chain for the volume menu is extracted from the menu video object 96. Therefore, the cells forming the program chain for the volume menu are decoded by the video decoder unit 58, the audio decoder unit 60 and the sub-picture decoder unit 22,
The digital data decoded by the D / A and reproduction processing unit 64 is converted into analog data, and the volume menu screen is displayed on the monitor unit 6 together with the sound from the speaker 8. As an example of the volume menu, the complete movie of a certain actor together with the symbol mark of the movie company
It will be displayed like a volume.

Next, the operation from the title menu display to the title selection will be described with reference to FIGS. 32 and 33. Here, it is assumed that the volume information file 82 shown in FIG. 5 includes a plurality of title menus, for example, three title menus. In such an example, step 24 shown in FIG.
It is already determined that the number of title menus (ΝTM) is 3, and the title menu PGC information (IVΜΜΡGCITΜ) corresponding to the number of menus and the corresponding volume menu ΡGC information (VMMΡG)
CI) has been acquired. The basic title selection process is as follows:
The start address (CFPLSΝ) of each video data 51, 152, 153, the number of selectable titles in the menu (SELTSΝ), and the title set number (TSΝ) and title set start address (TSΝ) corresponding to the selection number. VMMPGCI # 1 describing SATS)
VPMPGC # 3 is cyclically switched by key operation and button operation of the display unit 4 to switch display of a plurality of menus. The selection of the title menu is executed by operating the selection numbers displayed on both sides of the menu by key operation and the 10 key of the display unit 4. With regard to selection of a sub-picture or audio menu in the title set, the sub-picture or audio type is selected by the same selection method. The menu screen shown in FIG. 33 has 15
1, 152, and 153 are composed of one or a plurality of data cells, the background is reproduced by still image data or moving image data, and symbols, signs, selected title names, etc. are reproduced by sub-pictures, if necessary. Audio is played as a voice navigator. The reproduction data of this menu screen is also treated as one program chain defined by one or more data cells.

When the operation of selecting the title sets 84 and 86 from the display of the title menu is started in step S31 of FIG. 32, first, as shown in step S32, the number of title menus n (NTM) and the number of menus corresponding to that number The contents of the volume menu PGC information (VΜΜΡGCI) of the above are acquired by the system CPU 50. Step S
As indicated by 33, the first title set menu 151 is displayed from the menu start address (CFLSN) in the VMM GCI # 1 which is the first volume menu PGC information (m = 1). Next, step S3
As shown in FIG. 4, waiting for key input from the user is repeated. As shown in step S35, it is confirmed whether a button for menu switching or the like has been pressed. Step S3
If there is a switching request in step 5, m in step S36.
= N is determined. If m = n in step S36, the process returns to step S33. If m ≠ n in step S36, m
= M + 1, and the process proceeds to step S38. The m-th title set menu is displayed from the menu start address (CFPLSN) in VMMPGCI # m, which is the next volume menu-PGC information. 1 in step S39
It is confirmed whether the number selection by the 0 key has been executed. If there is no selection with the 10 key in step S39, the process returns to step S35. If the number has been selected in step S39, the number n of selectable titles in each of VMMPGCI # 1 to VMMPGCN # n (SELTSΝ)
Then, the corresponding title set number (TSN) is obtained from the start address (S
ATS) is retained.

Title set number (TSΝ) and title set menu-PGC information block table group (TSMPGCIBTG) 9 obtained in step S40
5 to corresponding video title set PGC information block table (VTSMPGCIB)
T) 121 is taken out in step S41, and the sub-picture, audio stream, and program are selected in the same manner as the title menu.

From the title set number (TSΝ) acquired in step S40 and the title set information search pointer table (TSISPT) 115, step S42
The information of the corresponding title set number is taken out as shown in, and the TSATR start address (SATSATR),
TSMΡGCIBT start address (SATSMΡGCI
BT), VOBTSM start address (SAVOBTS
Μ) is acquired. TSAT obtained in step S42
From the R start address (SATSATR) and the title set attribute table (TSATRT), the attribute information of the selected title set (sub-picture, audio) is obtained in step 4
Acquired in 3. Based on the attribute information acquired in step S43, parameters for reproducing the title set are set in advance for each decoder as shown in step S44. Based on the start address (SATS) of the title set 84 held in step S40, a jump is made to the actual title set. Get the title menu by jumping to this title set, and step 4
As shown in FIG. 6, the selection of a movie title from the menu is finished and the playback operation of the movie is started.

The system CPU 50 reads out the video title set management information (VTSMI) 141 of the title set 84 from the optical disc 10 and stores it in the system ROM and RAM section 52, and the size of the title set 84 and each information regarding the title set. Get management information such as. Based on this management information, the program chain corresponding to the title selected in step 46 is read from the optical disc 10. That is, the data cells of the selected program chain are successively added to the video object 1.
The data is read from the memory 44 and input to the data RAM 56 via the system processor 54. This data cell is given to the video decoder section 58, the audio decoder section 60 and the sub-picture decoder section 62 on the basis of the reproduction time information to be decoded, and the D / A and reproduction processing section 64 converts the signal to the monitor section 6. The image is reproduced and the sound is reproduced from the speaker units 8 and 9.

Next, referring to FIGS. 35, 36 and 37, the video data in the logical format shown in FIGS. 4 to 29 and the recording method on the optical disc 10 for reproducing the video data and the recording method thereof will be described. The applicable recording system will be described.

FIG. 35 shows an encoder system for generating a video file 88 of a title set 84 in which video data is encoded. In the system shown in FIG. 35, for example, a video tape recorder (VTR) 201, an audio tape recorder (ATR) 202, and a sub video player 203 are adopted as sources of main video data, audio data, and sub video data. . These generate main video data, audio data, and sub video data under the control of the system controller 205, and these generate video encoder (VENC) 20 respectively.
6. It is supplied to the audio encoder (AENC) 207 and the sub-picture encoder (SPENC) 208, is also A / D converted by these encoders 206, 207 and 208 under the control of the system controller 205, and is encoded by each compression method. Encoded and encoded main video data (COMP VIDEO), audio data (COMP AUDIO), and sub video data (COMP)
SUB-PIC) as memories 210, 211, 21
Stored in 2. This main video data (COM VIDE
O), audio data (COMP AUDIO) and sub-picture data (COMP SUB-PIC) are output to the file formatter (FFMT) 214 by the system controller 205 and converted into the file structure of the video data of this system as described above. At the same time, management information such as setting conditions and attributes of each data is stored as a file in the memory 216 by the system controller 205.

A standard flow of the encoding process in the system controller 205 for creating a file from video data will be described below.

The main video data and audio data are encoded according to the flow shown in FIG. 36 to produce encoded main video data (COMP VIDEO) and audio data data (COMP AUDIO). That is, when the encoding process is started, parameters required for encoding the main video data and audio data are set as shown in step 70 of FIG. Some of the set parameters are stored in the system controller 205 and used by the file formatter (FFMT) 214. Step S7
As shown by 1, the main video data is pre-encoded using the parameters, and the optimal distribution of the code amount is calculated.
The main video is encoded based on the code amount distribution obtained by the pre-encoding as shown in step S72. At this time, audio data encoding is also executed at the same time. If necessary as shown in step S73, partial re-encoding of the main video data is executed,
The re-encoded part of the main video data is replaced. Main video data and audio data are encoded by a series of steps from step S70 to step S73.

Further, as shown in step S74, the parameters necessary for encoding the sub-picture data are similarly set. Some of the parameters set as shown in step S74 are stored in the system controller 205 and used by the file formatter 214.
The sub-picture data is encoded based on this parameter. By this processing, the sub-picture data is pre-encoded according to step S75.

According to the flow shown in FIG. 37, the main video data (COMP VIDEO), the audio data (COMP AUDIO) and the sub-video data (COMP SUB-PIC) which have been encoded are combined to obtain the data shown in FIG.
Is converted into a video data file having a title set structure of video data as described with reference to.

That is, as shown in step S76, the cell 150 as the minimum unit of video data is set, and the cell 1
Cell information (CI) for 50 is created. Next, as shown in step S77, the configuration of the cell 150 that configures the program chain, the attributes of the main video, the sub-video, and the audio are set, and a part of these attribute information is information obtained at the time of each data encoding. Is used. Video title set management information (VTSMI) 141 including information on the program chain and video title set time search map table (VTSMAPT) 142
Is created. The main video data, audio data, and sub-video data encoded in step 78 are subdivided into fixed packs, and a control pack (DSI pack) is inserted for each GOP unit so that each data can be reproduced in time code order. Meanwhile, each data cell is arranged and formatted into a structure of a title set 86 composed of one or a plurality of video files as shown in FIG.

In the flow shown in FIG. 37, the program chain information uses the database of the system controller 205 in the process of step S77,
Alternatively, it is described as program chain information (PGCI) by re-inputting main video data, audio data, and sub video data as necessary.

FIG. 38 shows a disk formatter system for recording the title sets 84 and 86 formatted as described above on an optical disk. As shown in FIG. 38, in the disk formatter system,
These file data are supplied to the volume formatter (VFMT) 226 from the memories 220 and 222 in which the created title sets 84 and 86 are stored. The volume formatter (VFMT) 226 extracts management information from the title sets 84 and 86 to create a volume information file 82, and creates logical data in a state to be recorded on the disc 10 in the arrangement order shown in FIG. . Data for error correction is added to the logical data created by the volume formatter (VFMT) 226 by the disk formatter (ECC & RFMT) 228, and re-converted into physical data to be recorded on the disk. In the modulator 230, the disk formatter (D
The physical data created by the FMT) 228 is converted into recording data to be actually recorded on the disc, and the recording data subjected to the modulation processing is recorded on the disc 10 by the recorder 232.

39 and 40 show a standard flow for creating the data recorded on the optical disk 10 described above.
Will be described with reference to.

FIG. 39 shows a flowchart for creating logical data for recording on the disk 10. That is, as shown in step S80, parameter data such as the number of video data files, the arrangement order, and the size of each video data file is set first. Next, step S
Volume information is created from the parameters set as shown by 81 and the file management information of each video data file. After that, as shown in step S82, the data is arranged in the order of the volume information and the video data file along the corresponding logical block number, and the logical data to be recorded on the disk 10 is created.

After that, a flow for creating physical data to be recorded on the disc as shown in FIG. 40 is executed. That is, as shown in step S83, the logical data is divided into a certain number of bytes, and error correction data is generated. Next, as shown in step S84, the logical data divided into a certain number of bytes and the generated error correction data are combined to create a physical sector. Then, as shown in step S85, physical data is created by combining the physical sectors. In this way, the physical data generated by the flow shown in FIG. 40 is subjected to a modulation process based on a fixed rule to create recorded data. Then, this recording data is recorded on the disc 10.

[0083]

As described above, in the recording medium having a large storage capacity of the present invention, one or a plurality of title sets and this title set are set in units of a title set composed of a plurality of files divided by logical sectors. The volume file information to be managed is recorded. Moreover, in each title set, management information of the title set that manages the title set itself and reproduction data as a reproduction object are stored in different files. In the search for such a recording medium, the volume file information is first read to obtain information about the target title set in the entire volume,
Then, the management information of the target title set is acquired and the data is reproduced. Even if the storage capacity of the storage medium is large, the volume file information manages one or more title sets, and each title set has management information, so that the target playback data can be played back reliably and quickly. You can

The volume file information as selection information includes selection information regarding reproduction of the volume, for example, an object displaying a volume menu for selecting a language, and selection information regarding selection of each title set, for example, title. , A title set menu for selecting the sub-picture language and audio type. Therefore, the target reproduction data can be quickly selected only by referring to the volume file information.

[Brief description of drawings]

FIG. 1 is a block diagram showing an outline of an optical disk device according to an embodiment of the present invention.

2 is a block diagram showing details of a mechanical portion of the disk drive device shown in FIG. 1. FIG.

3 is a perspective view schematically showing the structure of an optical disc loaded in the disc drive device shown in FIG. 1. FIG.

4 is an explanatory diagram showing a structure of a logical format of the optical disc shown in FIG.

5 is an explanatory diagram showing the structure of a volume information file corresponding to file 0 in the structure of the logical format shown in FIG.

6 is a volume information file manager (VMIF) in the structure of the volume information file shown in FIG.
M) volume information file management table (VMIF
3 is a table showing the parameters of MT) and their contents.

FIG. 7 is a volume information file manager (VMIF) in the structure of the volume information file shown in FIG.
3 is a table showing parameters and contents of the title search pointer table (TSPT) of M).

8 is an explanatory diagram showing the structure of a volume menu program chain information block table (VMMMPGCIBT) in the structure of the volume information file shown in FIG. 5. FIG.

9 is a volume menu program chain information block table (VMMMPGCIBT) shown in FIG. 8;
3 is a table showing parameters and contents of volume menu program chain information block table information (VMMPGCIBTI) in FIG.

10 is a block diagram of a volume menu program chain information block table (VMMMPGCIB shown in FIG. 8).
9 is a table showing parameters and contents of a volume menu language block search pointer (VMMLBSP) in T).

FIG. 11 shows a volume menu program chain information block table (VMMMPGCIB shown in FIG. 8).
Volume menu language block 113 (VM) in T)
It is a table which shows the parameter of volume menu language block information (VMMLBI) which comprises MLB, and its content.

12 is a table showing parameters and contents of volume menu program chain information (VMMPGCI) described in FIG. 11. FIG.

13 is a title set information search pointer table in the structure of the volume information file shown in FIG.
It is explanatory drawing which shows the structure of (TSISPT).

FIG. 14 shows title set information search pointer table information (TSISPT) in the title set information search pointer table (TSISPT) shown in FIG.
It is a table which shows the parameter of I), and its content.

15 is a title set information search pointer (TSISPT) shown in FIG. 13 in the title set information search pointer table (TSISPT) shown in FIG.
3 is a table showing parameters and their contents.

16 is a title set attribute table (TSATR) in the structure of the volume information file shown in FIG.
It is explanatory drawing which shows the structure of T).

17 is a table showing parameters and contents of the video title set attribute information described in the title set attribute table (TSATRT) shown in FIG.

FIG. 18 is a title set attribute table shown in FIG.
17 is a table showing parameters and contents of attribute information of the audio title set (ATS) included in (TSATRT) and described in the title set attribute (TSATR) shown in FIG. 16.

19 is a title set menu program chain information block table group (TSMPGCIBT) in the structure of the volume information file shown in FIG.
It is explanatory drawing which shows the structure of G).

20 is an explanatory diagram showing the structure of a title set menu PGC block table (TSMPGCIBT) in the structure of the volume information file shown in FIG. 5. FIG.

21 is a table showing parameters and contents of video title set menu program chain information block table information (VTSMPGCIBTI) in the title set menu PGC block table (TSMPGCIBT) shown in FIG. 20.

FIG. 22 is a diagram showing V in the title set menu PGC block table (TSMPGCIBT) shown in FIG. 20;
TSM language block search pointer (VTSMLBS
It is a table which shows the parameter of P) and its content.

FIG. 23 is a video title set menu language block (VTSML) in the title set menu PGC block table (TSMPGCIBT) shown in FIG. 20;
It is explanatory drawing which shows the structure of B).

24 is a table showing parameters and contents of VTSM language block information (VTSLMLBI) in the video title set menu language block (VTSMLB) shown in FIG. 23.

25 is a table showing parameters and contents of VTS menu program chain information (VTSMPGI) in the video title set menu language block (VTSMLB) shown in FIG. 23.

26 is an explanatory diagram showing a structure of a video object included in the volume information file and title set shown in FIG. 4. FIG.

27 is an explanatory diagram showing a structure of a pack which constitutes the video object shown in FIG. 26. FIG.

28 is an explanatory diagram showing a structure of the video title set shown in FIG. 4. FIG.

FIG. 29 is a diagram illustrating a relationship between an object, a cell, and various packs.

FIG. 30 is a flowchart of displaying a volume menu.

FIG. 31 is a flowchart of displaying a volume menu.

FIG. 32 is a flowchart showing an operation from title menu display to title selection.

FIG. 33 is a flowchart showing an operation from title menu display to title selection.

FIG. 34 is an explanatory diagram showing a title menu displayed on the monitor of FIG. 1 and periodically switched.

FIG. 35 is a block diagram showing an encoder system that encodes video data to generate a video file.

FIG. 36 is a flowchart showing an encoding process shown in FIG. 35.

37 is a flowchart for creating a video data file by combining main video data, audio data, and sub video data encoded by the flow shown in FIG.

FIG. 38 is a block diagram showing a system of a disc formatter for recording a formatted video file on an optical disc.

39 is a flowchart for creating logical data to be recorded on the disc in the disc formatter shown in FIG. 38. FIG.

FIG. 40 is a flowchart of creating physical data to be recorded on a disc from logical data.

[Explanation of symbols]

 6 ... Monitor section 8 ... Speaker section 10 ... Optical disk 14 ... Transparent substrate 16 ... Light reflection layer 28 ... Data recording area 30 ... Disk drive section 32 ... Optical pickup 34 ... Objective lens 36 ... Focus drive circuit 37 ... Drive circuit 44 Servo processing circuit 50 System CPU 54 System processor 56 Data RAM 58 Video decoder 60 Audio decoder 62 Sub-picture decoder 64 D / A and reproduction processing circuit 70 Volume management information area 80 ... File area 82 ... Volume information file 84 ... Video title set 86 ... Audio title set 88 ... File 90 ... Menu data cell 201 ... Video tape recorder 202 ... Audio tape recorder 203 ... Video reproducer 205 ... system controller 206 ... video encoder 207 ... audio encoder 208 ... sub-picture encoder 205 ... system controller 220, 222 ... memory 226 ... volume formatter 228 ... disk formatter 230 ... modulator 232 ... recorder

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification number Internal reference number FI Technical indication location G11B 27/34 P (72) Inventor Shinichi Kikuchi 3-3-9 Shimbashi, Minato-ku, Tokyo Toshiba D -Buy E Co., Ltd. (72) Inventor Yuzo Tamada 8 Shinsugita-cho, Isogo-ku, Yokohama-shi, Kanagawa Inside Multimedia Technology Laboratory, Toshiba Corporation (72) Inventor Kazuhiko Hira 3-3, Shimbashi, Minato-ku, Tokyo No. 9 within Toshiba Abu E, Inc.

Claims (60)

[Claims]
1. A management file in which at least one data file in which a plurality of data cells each storing reproduction data are arranged and information for managing a procedure for reproducing the data cells of each data file are stored. At least one title set area, and a volume management area in which information for managing each title set and information about the volume of the recording medium are stored, and the data cell of the title set is reproduced based on this volume management area. A recording medium in which information is recorded at high density, characterized in that the file, the title set area, and the volume management area are divided on a boundary of a logical sector.
2. A data file for reproducing the data,
The recording medium of claim 1, wherein the recording medium is divided at the boundaries of the data cells.
3. The recording medium according to claim 1, wherein the volume management area stores first menu data for selecting one of the title sets.
4. The recording medium according to claim 3, wherein the first menu data includes menu data items that can be displayed in different languages, each of which is selectable.
5. The recording medium according to claim 1, wherein the volume management area includes volume selection information that defines reproduction conditions when reproducing the volume, as information regarding the volume.
6. The recording medium according to claim 5, wherein the volume management area includes second menu data describing selection conditions regarding the volume selection data.
7. The recording medium according to claim 1, wherein the volume management area includes program information defining a procedure for reproducing the data cell.
8. The data cell is a video data cell for reproducing video, and the management file of the title set includes management data describing a procedure for reproducing the video data cell. The recording medium according to claim 1.
9. The recording medium according to claim 5, wherein the selection information includes a language code designating a reproduction language.
10. The recording medium according to claim 1, wherein the recording medium is an optical disc.
11. The recording medium according to claim 10, wherein the optical disc includes a lead-in area inside, a lead-out area around the periphery, and a data recording area including the title set and the volume management area therebetween.
12. The volume management area is arranged on the lead-in area side, and the title set area is arranged between the volume management area and the lead-out area. recoding media.
13. A management file that stores at least one data file in which a plurality of data cells, each of which stores reproduction data, are arranged, and information that manages a procedure for reproducing the data cells of each data file. Is a volume management area in which at least one title set area including information, information for managing each title set, and information about the volume of the recording medium is stored, and the data cell of the title set is reproduced based on this volume management area. Then, the volume management information is read from the recording medium in which the file, the title set area, and the volume management area are divided by logical sectors and information is recorded at high density, and the reproduction procedure information is read based on this volume management information. Means for reading out and replayed volume management information Storing means for storing the reproduction procedure information from the title set based on the stored volume management information, and storing the reproduction procedure information in the previous term storage means. An information reproducing apparatus, comprising: output control means for taking out the data cell of the title set based on the reproduced reproduction procedure information, converting it into a reproduction signal and outputting the reproduction signal.
14. The information reproducing apparatus according to claim 13, wherein the data file for reproducing the data is divided at boundaries of data cells.
15. The information reproducing apparatus according to claim 13, wherein the volume management area stores first menu data for selecting one of the title sets.
16. The information reproducing apparatus according to claim 15, wherein the first menu data includes menu data items which can be displayed in different languages and are selectable from each other.
17. The information reproducing apparatus according to claim 13, wherein the volume management area includes volume selection information that defines reproduction conditions when reproducing the volume, as information regarding the volume.
18. The information reproducing apparatus according to claim 17, wherein the volume management area includes second menu data describing selection conditions regarding the volume selection data.
19. The information reproducing apparatus according to claim 13, wherein the volume management area includes program information defining a procedure for reproducing the data cell.
20. The data cell is a video data cell for reproducing a video, and the management file of the title set includes management data describing a procedure for reproducing the video data cell. The information reproducing apparatus according to claim 13.
21. The information reproducing apparatus according to claim 17, wherein the selection information includes a language code designating a reproduction language.
22. The information reproducing apparatus according to claim 13, wherein the recording medium is an optical disk.
23. The information reproducing apparatus according to claim 22, wherein the optical disc includes a lead-in area inside, a lead-out area around the periphery, and a data recording area including the title set and the volume management area therebetween. .
24. The volume management area is arranged on the lead-in area side, and the title set area is arranged between the volume management area and the lead-out area. Information reproduction device.
25. A management file storing at least one data file in which a plurality of data cells, each of which stores reproduction data, are arranged, and information for managing a procedure for reproducing the data cells of each data file. Is a volume management area in which at least one title set area including information, information for managing each title set, and information about the volume of the recording medium is stored, and the data cell of the title set is reproduced based on this volume management area. Volume management information is read out from a recording medium in which information is recorded at a high density in which the file, the title set area, and the volume management area are partitioned by a logical sector. A step of reading the reproduction procedure information based on the information, Storing the reproduced management information, reading the reproduction procedure information from the title set based on the stored volume management information, and storing the reproduction procedure information again; and the reproduction procedure information stored in the previous period. And a step of taking out the data cell of the title set, converting the data cell into a reproduction signal, and outputting the reproduction signal.
26. The information reproducing method according to claim 25, wherein the data file for reproducing the data is divided at boundaries of data cells.
27. The information reproducing method according to claim 25, wherein the volume management area stores first menu data for selecting one of the title sets.
28. The information reproducing method according to claim 27, wherein the first menu data includes menu data items that can be displayed in different languages, each of which is selectable.
29. The information reproducing method according to claim 25, wherein the volume management area includes volume selection information as information regarding a volume, which defines a reproduction condition when reproducing the volume.
30. The information reproducing method according to claim 29, wherein the volume management area includes second menu data describing selection conditions regarding the volume selection data.
31. The information reproducing method according to claim 25, wherein the volume management area includes program information defining a procedure for reproducing the data cell.
32. The data cell is a video data cell for reproducing a video, and the management file of the title set includes management data describing a procedure for reproducing the video data cell. The information reproducing method according to claim 25.
33. The information reproducing method according to claim 29, wherein the selection information includes a language code designating a reproduction language.
34. The information reproducing method according to claim 25, wherein the recording medium is an optical disk.
35. The information reproducing method according to claim 34, wherein the optical disc includes a lead-in area inside, a lead-out area around, and a data recording area including the title set and the volume management area therebetween. .
36. The volume management area is arranged on the lead-in area side, and the title set area is arranged between the volume management area and the lead-out area. Information reproduction method.
37. Generating means for generating first file data in which a plurality of data cells, each of which stores data, are generated, and generating reproduction management data for designating a reproduction procedure thereof. Means for storing reproduction management data as second file data, storing file management information relating to the first and second file data in the second file data and collecting the data as a title set, and information relating to the title set And a means for generating a volume information file that collects information regarding the volume of the recording medium itself, and a data area of the recording medium in which the volume file and the title set are associated with each other so that the title set can be read subsequent to the volume information file. Recording device for recording on an information recording device .
38. The information recording apparatus according to claim 37, wherein the first file data for reproducing the data is divided at a boundary of a data cell.
39. The information recording apparatus according to claim 37, wherein the volume information file stores first menu data for selecting one of the title sets.
40. The information recording apparatus according to claim 39, wherein the first menu data includes menu data items which can be displayed in different languages, each of which is selectable.
41. The information recording device according to claim 37, wherein the volume information file includes volume selection information as information regarding a volume, which defines a reproduction condition when the volume is reproduced.
42. The information recording apparatus according to claim 41, wherein the volume information file includes second menu data describing selection conditions regarding the volume selection data.
43. The information recording apparatus according to claim 37, wherein the volume information file includes program information defining a procedure for reproducing the data cell.
44. The data cell is a video data cell for reproducing a video, and the management file of the title set includes management data describing a procedure for reproducing the video data cell. The information recording apparatus according to claim 37.
45. The information recording apparatus according to claim 41, wherein the selection information includes a language code designating a reproduction language.
46. The information recording apparatus according to claim 37, wherein the recording medium is an optical disc.
47. The information recording apparatus according to claim 46, wherein the optical disc includes a lead-in area inside, a lead-out area around the periphery, and a data recording area including the title set and the volume management area therebetween. .
48. The volume management area is arranged on the lead-in area side, and the title set area is arranged between the volume management area and the lead-out area. Information recording device.
49. A step of generating first file data in which a plurality of data cells, each of which stores data, are generated, and reproducing control data designating a reproducing procedure thereof; Storing management data as second file data, storing file management information about the first and second files in the second file data and collecting the data as a title set, and information and recording about the title set Generating a volume file that collects information about the volume of the medium itself, and subsequently recording the volume file and the title set in association with each other in the data area of the recording medium so that the title set can be read. An information recording method comprising:
50. The information recording method according to claim 49, wherein the first file data for reproducing the data is divided at boundaries of data cells.
51. The information recording method according to claim 49, wherein the volume information file stores first menu data for selecting one of the title sets.
52. The information recording method according to claim 51, wherein the first menu data includes menu data items that can be displayed in different languages, each of which is selectable.
53. The information recording method according to claim 49, wherein said volume information file includes volume selection information as information relating to the volume, which defines reproduction conditions when reproducing this volume.
54. The information recording method according to claim 53, wherein the volume information file includes second menu data describing selection conditions regarding the volume selection data.
55. An information recording method according to claim 49, wherein said volume information file includes program information defining a procedure for reproducing said data cell.
56. The data cell is a video data cell for playing a video, and the management file of the title set includes management data describing a procedure for playing the video data cell. The information recording method according to claim 49.
57. The information recording method according to claim 53, wherein said selection information includes a language code designating a reproduction language.
58. The information recording method according to claim 49, wherein said recording medium is an optical disc.
59. The information recording method according to claim 58, wherein the optical disc includes a lead-in area inside, a lead-out area around, and a data recording area including the title set and the volume management area therebetween. .
60. The volume management area is arranged on the lead-in area side, and the title set area is arranged between the volume management area and the lead-out area. Information recording method.
JP7306068A 1995-01-27 1995-11-24 Information reproduction method and apparatus for reproducing menu data Expired - Lifetime JP2747262B2 (en)

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JP7-12049 1995-01-27
JP1204995 1995-01-27
JP7306068A JP2747262B2 (en) 1995-01-27 1995-11-24 Information reproduction method and apparatus for reproducing menu data

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JP7306068A JP2747262B2 (en) 1995-01-27 1995-11-24 Information reproduction method and apparatus for reproducing menu data

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