JPH0917101A - Recording medium, data recorder to the recording medium, and device and method for reproducing data recorded in the recording medium - Google Patents

Abstract

PURPOSE: To make it possible to confirm and select readily the contents recorded in a recording body by displaying an 'i' key icon indicating the presence or absence of the menu picture plane for each item at the lower layer on the main-menu picture plane. CONSTITUTION: Video data, audio data and secondary image data are reproducibly recorded in the same time zone on a plurality of files. The reproduction for an optical disk 10, wherein the video data are recorded in a hierarchical structure of a plurality of sequences and a plurality of programs at each file, is performed. At this time, an 'i' key icon, which indicates the presence or absence of a menu picture plane for each items (the title, chapter, speech, secondary image, angle or the like) at the lower layer of a menu picture plane, is displayed on the main-menu picture plane. Thus, the presence or absence of the various kinds of the menu picture planes for every file can be readily found at the time of the reproduction, and the various kinds of the menu picture planes can be readily displayed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording medium such as an optical disc for recording data of different types and types such as compressed moving image data and audio data, a recording device for recording data on this recording medium, and a recording medium therefor. The present invention relates to a method for recording data on a recording medium, a reproducing device for reproducing data from the recording medium, and a method for reproducing data from the recording medium.

[0002]

2. Description of the Related Art In recent years, a plurality of movie data (video), audio (audio) streams, sub-video channels and the like are recorded on a recording medium such as an optical disk, and movie data and audio selected arbitrarily by a user from among them. Attention has been paid to a data recording / reproducing method for reproducing a stream and a sub-video channel. Here, a sequence is, for example, a set of video / audio data for each scene in a movie or the like as a program, and a plurality of these programs are virtually connected. Therefore, the presence of multiple sequences on the recording medium means that one movie can have multiple story developments. Further, by recording a plurality of audio streams, different sounds can be associated with one video, and by recording a plurality of sub-video channels, for example, subtitles of different languages can be displayed.

By the way, in the reproduction of a file having a complicated configuration, including a data group selectively reproduced within the same time on the same time axis,
It is necessary to notify the user of the existence of a plurality of sequences, audio streams, sub-picture channels, etc. in the file in advance through the menu screen so that the user can select the desired one for each item.

[0004] However, the description of the file configuration information has not been defined at all.

[0005] That is, there is a demand for an optical disk capable of easily confirming or selecting the content recorded on the optical disk.

[0006]

SUMMARY OF THE INVENTION The present invention is intended to solve such a problem, and an object thereof is to enable the contents recorded on a recording medium to be easily confirmed and selected.

[0007]

The reproducing apparatus of the present invention comprises:
A plurality of first files in which data is recorded and at least two or more of each of the above contents used for confirming or selecting various contents of the data stored in these first files. And a second file in which menu screen information corresponding to is recorded.
In the file, a recording area in which the plurality of menu screen information is recorded and information indicating the recording position of each menu screen information in this recording area or the absence of the menu screen information are recorded for each content of the above data. In the case of reproducing data from a recording medium including a management area, when displaying information indicating various contents of the data, the recorded contents of the management area of the second file
Judgment means for judging the presence or absence of menu screen information corresponding to each of the above contents, and information showing various contents of the above data is displayed by the judgment result by this judgment means, and a menu screen is displayed for each content having menu screen information. It is composed of a display means for simultaneously displaying the information indicating the presence of the.

The reproducing method of the present invention is used for confirming or selecting various first files in which data is recorded and various contents of data stored in these first files. And a second file in which menu screen information corresponding to at least two or more of the respective contents used for is recorded, and the second file is a recording area in which the plurality of menu screen information is recorded,
In the case where data is reproduced from a recording medium including a recording position of each menu screen information in this recording area or information indicating the absence of menu screen information for each content of the above data, When displaying information indicating various contents, it is determined whether or not there is menu screen information corresponding to each of the above contents by the recorded contents of the management area of the second file, and the result of this judgment makes The information indicating the contents is displayed, and the information indicating the presence of the menu screen is simultaneously displayed for each content having the menu screen information.

The reproducing apparatus of the present invention is used for confirming or selecting various first files in which data is recorded and various contents of data stored in these first files. And a second file in which menu screen information corresponding to at least two or more of the respective contents used for is recorded, and the second file is a recording area in which the plurality of menu screen information is recorded,
In the case where data is reproduced from a recording medium including a recording position of each menu screen information in this recording area or information indicating the absence of menu screen information for each content of the above data, When displaying information indicating various contents, a judging unit for judging the presence or absence of menu screen information corresponding to each of the contents by the recorded contents of the management area of the second file, and a judgment result by the judging unit, Display means for displaying information indicating various contents of the above-mentioned data and simultaneously displaying information indicating existence of a menu screen for each content having menu screen information, and presence of a menu screen displayed on this display means. It has the same key as the information shown, and an instruction means for instructing the display of the corresponding menu screen by inputting this key. It is.

The reproducing method of the present invention is used for confirming or selecting a plurality of first files in which data is recorded and various contents of data stored in these first files. And a second file in which menu screen information corresponding to at least two or more of the respective contents used for is recorded, and the second file is a recording area in which the plurality of menu screen information is recorded,
In the case where data is reproduced from a recording medium including a recording position of each menu screen information in this recording area or information indicating the absence of menu screen information for each content of the above data, When displaying information indicating various contents, it is determined whether or not there is menu screen information corresponding to each of the above contents by the recorded contents of the management area of the second file, and the result of this judgment makes In addition to displaying the information indicating the contents, the information indicating the presence of the menu screen is displayed at the same time for each content having the menu screen information, and the corresponding menu is entered by pressing the same key as the information indicating the presence of the displayed menu screen. This is an instruction to display a screen.

The recording medium of the present invention is used for confirming or selecting various first files in which data is recorded and various contents of data stored in these first files. And a second file in which menu screen information corresponding to at least two or more of the respective contents used for is recorded, and the second file is a recording area in which the plurality of menu screen information is recorded,
The recording position of each menu screen information in this recording area or the information indicating the absence of the menu screen information is composed of the management area recorded for each content of the above data.

The recording apparatus of the present invention records data in a storage medium composed of a plurality of first files and at least one second file, and confirms the data and various contents of the data. A supply means for supplying menu screen information corresponding to at least two of the above-mentioned contents used for selection, an encoding means for encoding data supplied by the supply means and menu screen information, and an encoding means First storage means for storing the encoded data in the first file of the recording medium, and menu screen information encoded by the encoding means or information indicating no menu screen information for contents without menu screen information. Second storage means for storing in the second file of the recording medium Et al constructed.

The reproducing apparatus of the present invention is used for confirming or selecting various first files in which data is recorded and various contents of data stored in these first files. And a second file in which menu screen information corresponding to at least two or more of the respective contents used for is recorded, and the second file is a recording area in which the plurality of menu screen information is recorded,
In the case where data is reproduced from a recording medium including a recording position of each menu screen information in this recording area or information indicating the absence of menu screen information for each content of the above data, Determining means for determining the presence or absence of lower-layer menu screen information corresponding to each of the above contents, based on the recorded contents of the management area of the second file, when displaying information indicating various contents,
And display means for displaying information indicating various contents of the above-mentioned data according to the judgment result by the judging means, and simultaneously displaying information indicating existence of the menu screen for each contents having lower-layer menu screen information. .

The reproducing method of the present invention is used when confirming or selecting a plurality of first files in which data is recorded and various contents of data stored in these first files. And a second file in which menu screen information corresponding to at least two or more of the respective contents used for is recorded, and the second file is a recording area in which the plurality of menu screen information is recorded,
In the case where data is reproduced from a recording medium including a recording position of each menu screen information in this recording area or information indicating the absence of menu screen information for each content of the above data, When displaying information indicating various contents, it is determined whether or not there is lower-layer menu screen information corresponding to each of the above contents by the recorded contents of the management area of the second file. Information indicating various contents is displayed, and information indicating the presence of a menu screen is simultaneously displayed for each content having lower-layer menu screen information.

The reproducing apparatus of the present invention is used for confirming or selecting various first files in which data is recorded and various contents of data stored in these first files. And a second file in which menu screen information corresponding to at least two or more of the respective contents used for is recorded, and the second file is a recording area in which the plurality of menu screen information is recorded,
In the case where data is reproduced from a recording medium including a recording position of each menu screen information in this recording area or information indicating the absence of menu screen information for each content of the above data, When displaying information indicating various contents, a judging unit for judging the presence or absence of menu screen information corresponding to each of the contents by the recorded contents of the management area of the second file, and a judgment result by the judging unit, Display means for displaying information indicating various contents of the above-mentioned data and simultaneously displaying information indicating existence of a menu screen for each content having menu screen information, and presence of a menu screen displayed on this display means. It has the same key as the information shown, and is composed of an instruction means for instructing the display of the corresponding menu screen by inputting this key. It consists of the remote control unit.

The reproducing apparatus of the present invention is used for confirming and selecting various first files in which data is recorded and various contents of data stored in these first files. And a second file in which menu screen information corresponding to at least two or more of the respective contents used for is recorded, and the second file is a recording area in which the plurality of menu screen information is recorded,
In the case where data is reproduced from a recording medium including a recording position of each menu screen information in this recording area or information indicating the absence of menu screen information for each content of the above data, When displaying information indicating various contents, a judging unit for judging the presence or absence of menu screen information corresponding to each of the contents by the recorded contents of the management area of the second file, and a judgment result by the judging unit, In addition to displaying information indicating various contents of the above data, display means for simultaneously displaying information indicating existence of a menu screen for each content having menu screen information, indicating existence of a menu screen displayed on this display means A remote control that has the same key as the information and that has an instruction means for instructing to display the corresponding menu screen by inputting this key. When the same key as the information indicating the presence of the menu screen is input by the operation unit of the remote control unit, the recording position of the menu screen information instructed from the management area of the second file is input according to the input. First reading means for reading, second reading means for reading the menu screen information from the recording area of the second file according to the recording position of the menu screen information read by the first reading means, and the second reading means The conversion means for converting the menu screen information read by the reading means into a reproduction output.

[0017]

According to the present invention, a plurality of first files in which data is recorded and various contents of data stored in these first files are respectively confirmed and selected. A second file in which menu screen information corresponding to at least two of each content is recorded, and the second file includes a recording area in which the plurality of menu screen information is recorded, and the recording area. In the case where the data is reproduced from the recording medium consisting of the recording area of each menu screen information or the management area in which the information indicating the absence of the menu screen information is recorded for each content of the above data, various contents of the above data When displaying the information indicating, the presence or absence of the menu screen information corresponding to the above contents is determined by the recorded contents of the management area of the second file. By the judgment result, and displays the information showing various contents of the data, and which is adapted to display the information indicating that the menu screen for each content having the menu screen information at the same time.

[0018]

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

FIG. 1 is a block diagram of an optical disc reproducing apparatus for reproducing data from an optical disc according to an embodiment of the present invention. FIG. FIG. 3 shows the structure of the optical disk shown in FIG. 1 and FIG.

In the optical disk reproducing apparatus shown in FIG. 1, the user operates the key operation section and the display section 4 on the front panel of the main body or the remote control 5 as a remote operation apparatus connected to the main body by optical communication by infrared rays. By doing so, recording data, that is, video data, sub-video data and audio data is reproduced from the optical disc 10, converted into an audio (sound) signal and a video signal in the device, and then the monitor unit 6 and the speaker unit 8 outside the device. Reproduced as video and audio.

As shown in FIG. 4, the key operation section and the display section 4 include a power key 4a, a microphone input terminal 4b, a play key 4c, a pause key 4d, a stop key 4e, a fast forward / return key 4f, and an optical disk 10. It is composed of an open / close key 4g for instructing the loading / unloading of the disk, a display 4h, an insertion of the optical disk 10, an exit 4i and the like.

As shown in FIG. 5, the remote control 5 includes a power key 5a, a numeric key 5b, and a stop key 5.
c, play key 5d, pause key 5e, memory key 5
f, an open / close key 5g for instructing to take in and remove the optical disk 10, a fast forward / return key 5h, a key 5i, a repeat instruction and a repeat key 5 for instructing a range.
j, a menu key 5k for instructing display of a menu screen,
It is composed of an i key 5l for instructing display of a menu screen for each item when the menu screen is displayed, an up / down key 5m used for selecting an item when the menu screen is displayed, and the like.

As already known, the optical disc 10 has various structures. As shown in FIG. 3, for example, a structure 18 in which a recording layer, that is, a light reflection layer 16 is formed on a transparent substrate 14 is provided. A high recording density type in which a pair of structural bodies 18 are prepared and bonded together with an adhesive layer 20 so that the recording layer 16 is enclosed therein has appeared. In the optical disc 10 having such a structure, a center hole 22 into which the spindle of the spindle motor 12 is inserted is provided at the center, and a clamping area for holding the optical disc 10 at the time of rotation is provided around the center hole 22. 24 are provided.

An information recording area 25 where information can be recorded on the optical disk 10 is defined from the clamping area 24 to the outer peripheral edge of the optical disk 10. The optical disc shown in FIG. 3 has information recording areas 25 on both sides. Each information recording area 25 has an outer peripheral area in a lead-out area 26 where information is not normally recorded.
Similarly, the inner peripheral area in contact with the clamping area 24 is similarly defined as a lead-in area 27 in which information is not normally recorded, and a space between the lead-out area 26 and the lead-in area 27 is a data recording area 28. It is set. 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. Is recorded. The data recording area 28 of the information recording area 25 is an actual data recording area, and as described later, management data, main image data, sub-image data, and audio data are similarly recorded as physical state changes such as pits. Has been done. In the read-only optical disk 10, a pit row is formed on the transparent substrate 14 by a stamper in advance, and a reflective layer is formed by vapor deposition on the surface of the transparent substrate 14 where the pit row is formed, and the reflective layer is formed as the recording layer 14. Will be done. Further, in the read-only optical disc 10, usually, no groove is provided as a track, and a pit row is defined as a track.

In the optical disc reproducing apparatus for reproducing data from such an optical disc 10, the optical disc 10
The optical disc drive unit 30 that drives the optical disc 1
0 is searched for in the light beam. That is, as shown in FIG.
The optical disc 10 is placed on a spindle motor 12 driven by a motor drive circuit 11, and is rotated by the spindle motor 12. Optical disk 10
An optical head, that is, an optical pickup 32 for condensing a light beam, that is, a laser beam on the optical disc 10 is provided below the optical disc 10. The optical head 32 is mounted on a guide mechanism (not shown) so as to be movable in the radial direction of the optical disk 10 in order to search the information recording area 25, particularly, the data recording area 28, and receives a signal from the drive circuit 37. The optical disk 10 is moved in a radial direction by a feed motor 33 driven by a drive signal. The objective lens 34 is held on the optical disc 10 so as to be movable along its optical axis.
In response to the drive signal from the focus drive circuit 36, the focus lens is moved in the optical axis direction, the objective lens 34 is always maintained in the focus state, and a minute beam spot is formed on the recording layer 16. The objective lens 34 is held so as to be finely movable in the radial direction of the optical disk 10, is finely moved in response to a drive signal from a track drive circuit 38, is always maintained in a tracking state, and is kept in a tracking state. The upper track is tracked with a light beam.

In the optical head 32, the light beam reflected from the optical disk 10 is detected, and the detected detection 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 detection signal, and supplies these signals to the drive circuits 36, 38, and 11, respectively. Accordingly, the objective lens 34 is maintained in the focus state and the tracking state, the spindle motor 12 is rotated at a predetermined number of revolutions, and the track on the recording layer 16 is a light beam by the light beam. Tracked at. System CP
When a control signal as an access signal is supplied from the U section 50 to the servo processing circuit 44, a movement signal is supplied from the servo processing circuit 44 to the drive circuit 37, and the optical head 32 is moved in the radial direction of the optical disk 10. A predetermined sector of the recording layer 16 is accessed, and the reproduced data is amplified by the head amplifier 40 and output from the disk drive unit 30. The output reproduction data is stored in the data RAM section 56 via the system CPU section 50 and the system processor section 54 which are controlled by the program recorded in the system ROM and RAM section 52. The stored reproduction data is processed by the system processor unit 54 and classified into video data, audio data (audio data) and sub-picture data, and the video data, the audio data and the sub-picture data are respectively stored in the video decoder unit 58, It is output to the audio decoder unit 60 and the sub-picture decoder unit 62 and decoded. The decoded video data, audio data, and sub-picture data are converted by a D / A and reproduction processing circuit 64 into a video signal as an analog signal,
The video signal and the sub-picture signal are supplied to the monitor section 6 and the audio signal is supplied to the speaker section 8 after being converted into the audio signal and the sub-picture signal and mixed. As a result, the video is displayed on the monitor unit 6 and the sound is reproduced from the speaker unit 8.

Further, it has a screen creating device 66 for creating a menu screen or the like constituted by a character generator controlled by the system CPU part 50, and the screen creating device 66 system is a character code for the selection screen from the CPU part 50. By using the character generator, a menu screen or the like is created from the corresponding character pattern and is supplied to the D / A and reproduction processing circuit 64. Thereby, the D / A and reproduction processing circuit 64 converts the signal into a video signal as an analog signal corresponding to the menu screen created by the supplied character pattern, and supplies the video signal to the monitor unit 6. As a result, an image of a selection screen such as a menu screen is displayed on the monitor unit 6.

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

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. 2 is ISO966 as a logical format.
It has a volume structure based on 0 as shown in FIG. This volume structure includes a volume management information area 70 and a file area 80 having a hierarchical structure. The volume management information area 70 contains the ISO966
Logical block numbers 0 to 23 defined based on 0 correspond to the system area 72 and the volume management area 74. The system area 72 is not usually defined as an empty area, but is provided for an editor who edits data to be recorded on the optical disk 10, for example, and realizes driving of the optical disk device according to the intention of the editor. A system program for this purpose is stored as needed. In the volume management area 74, volume management information for managing a file 78 such as a disk information file 76 (hereinafter simply referred to as a disk information file 76) in a file area 80, a movie file or a music file, The file recording position, recording capacity, file name, and the like are stored. In the file area 80, files 76 and 78 having file numbers 0 to 99 specified by logical block numbers after the logical block number 24 are arranged, and the file 76 having file number 0 is allocated as the disk information file 76. , File number 1 to file number 99
The files 78 up to are allocated as movie files, that is, video files or music files.

The disc information file 76 is composed of a file management information area 82 and a menu video data area 84 as shown in FIG. 7, and the file management information area 82 has a selectable information recorded on the entire optical disc 10. File sequence information, that is, file management information for selecting a video or audio title is described. In the menu video data area 84, image data of a menu screen for displaying a selection menu such as a title is stored as a menu data cell 90 in cell units. That is, the menu video data area 8
The menu image data of No. 4 is divided into units of a required size according to the purpose, as will be described in detail later.
I menu cells 9 sequentially numbered from # 1 in the order of recording in the menu video data area 84 of 0
It is defined as 0. In this menu cell 90,
Video data related to movie or audio title selection, program selection for each title, sub-picture data,
Alternatively, audio data is stored.

As shown in FIG. 7, the file management information area 82 is a file management table (F) in which various attributes of the data recorded in this file are described.
MT) 85, a disc configuration information area 86 for storing disc configuration information (DSINF: disc search information) which is information on the configuration content of each movie file or music file recorded on the optical disc 10, and menu configuration information (MSINF: There are four types of information areas: a menu configuration information area 87 for storing menu structure information) and a menu cell information table (MCIT: menu cell information table) 88 for storing menu cell information (MCI: menu cell information). Are arranged in.

The disc configuration information (DSINF) in the disc configuration information area 86 is information on the configuration content of each movie file or music file recorded on the disc, and as shown in FIG.
(File name), FFID (file identifier), DNF
(Number of files), FSINF (file type / number of title selection target sequences), FCINF (sub-picture in file / audio information), TSINF (each title information)
It consists of each parameter of.

FFNAME is for identifying the file name, and the same content as the corresponding file identifier in the directory record is described.

In the FFID, a file identifier as information for identifying the disc information file is described.

In the DNF, the number of movie files or music files (the number of reproduction files 78) existing on the optical disc 10 is described.

FSINF describes the file type of each file (movie file, music file) and the number of complete sequences and connection-type head sequences existing in the file.

FCINF is FNAST (the number of audio streams), FNSPCH (the number of sub-picture channels), F
ACODE (audio stream type), FSPCO
It is composed of DE (sub-video channel type).

The FNAST describes the number of audio streams existing in the file.

The FNSPCH describes the number of sub-picture channels existing in the file.

In FACODE, the language code (English, Japanese, etc.) of the audio stream is continuously described in the order of the audio stream numbers. When the audio stream type is other than language, FFh is described.

In FSPCODE, the language code (English, German, etc.) of the sub-picture channel is continuously described in the order of channel numbers, and FFh is described when the sub-picture type is other than the sub-picture type.

In the TSINF, the parental control of each title, the number of angles, and the number of programs are described in order from the title number # 1.

The number of titles is the sum of the complete sequence and the connection-type head sequence existing in each movie file or music file.

As for the title number, the sequence of the file number # 1 is used as the title # 1, and the sequence is continued in ascending order of the sequence numbers in the file number # 1. Continue.

The parental control describes the parental level of the sequence.

The number of angles describes the number of angle cells of angle blocks included in the sequence. If there is no angle block, 0 is described.

As the number of programs, the number of programs in the sequence is described.

The menu configuration information (MSINF) in the menu configuration information area 87 is position information of video data for the menu recorded in the file, and is shown in FIG.
As shown in the table, MOMCEL (the number of menu cells), TM
SCEL (Title menu start cell number), ADMS
CEL (audio menu start cell number), SPMS
CEL (sub video menu start cell number), PEMSCE
L (program menu start cell number), AGMSCE
It is composed of L (angle menu start cell number) parameters.

NOMCEL describes the number of menu cells recorded in this file. If there is no menu video data in this file, 00h is described.

The start cell number of the title menu cell is described in TMSCEL. If there is no title menu cell, 00h is described.

The start cell number of the audio menu is described in ADMSCEL. If there is no audio menu cell with the corresponding file number, 00h is described.

The start cell number of the sub-picture menu is described in SPMSCEL. When the sub-picture menu cell of the corresponding file number does not exist, 00h is described.

In PEMSCEL, the start cell number of the program menu is described. If there is no program menu cell with the corresponding title number, 00h is described.

AGMSCEL describes the start cell number of the angle menu. If there is no angle menu cell, 00h is described.

Menu cell information table (MCIT) 8
Reference numeral 8 denotes a table in which menu cell information (MCI) such as a position, a size, and a reproduction time necessary for reproducing each menu cell 90 is continuously described. The menu cell information table (MCIT) 88 is defined by a set of i menu cell information areas 89 in which menu cell information (MCI) is described in the order of menu cell numbers. Each menu cell information (MC
I) is, as shown in FIG. 10, MCCAT (menu cell type), MCSSCR (menu cell start pack),
MCSLBN (Menu cell start logical block number),
It is composed of each parameter of MCNLB (the number of constituent logical blocks).

The MCCAT (menu cell type) describes the correspondence to the copy control and parental control of the menu cell 90 and the type of the menu cell 90 (title menu, program menu, audio menu, sub-picture menu, angle menu). It

As the language code, the code number of the language code table is described.

The MCSSCR describes the lower 32 bits of the SCR (system clock reference, system time reference value) described in the start pack of the menu cell.

MCSLBN describes the offset logical block number from the beginning of the file which is the start address of the menu cell.

In MCNLB, the number of logical blocks forming the menu cell is described.

Here, the disk configuration information (DSINF)
The menu configuration information (MSINF) is continuously described in the file management information area 82, and the menu cell information table (MCIT) 88 is aligned with the boundaries of logical blocks.

FIG. 11 shows the disk configuration information (DSIN
The specific example of F) is shown. In this example, the file name "NEWMOVIE.MOV;1", the disc information file identifier "SDIF0000", the number of files = 1 (01H), the file type = video (00H), the number of sequences = 2 (02H), the number of audio streams = 3 (03H), number of sub-picture channels = 2 (02H), audio stream # 1 = English (10H), # 2 = French (12H), # 3 = German (13
H), sub-picture channel # 1 = English (10H), # 2 = Japanese (1DH), number of angles of title # 1 = 2 (02
H), number of programs of title # 1 = 3 (03H), number of angles of title # 2 = 0 (00H), title # 2
The number of programs is 5 (05H).

Music data or movie data of one or a plurality of titles are stored in movie files and music files 78 corresponding to file numbers 1 to 99. This file 78
Respectively, as shown in FIG. 12, specification information for data included in the file 78, that is, management information (for example,
Video data in which a file management information area 101 in which address information and reproduction control information are described and video data in the file 78 (video, audio, sub-video data, etc. are simply referred to as video data) is described. The file structure has an area 102. In the video data area 102, video data is divided into cells in the same manner as the menu cell 90 of the disc information file 76, and the video data is arranged as j video data cells 105.

Usually, movie data or audio data of a title is represented as a set of continuous sequences 106. For example, a movie story
It is represented by a continuous sequence 106 corresponding to “ki”, “sho”, “to” and “katsu”. Therefore, the video data area 102 of each file 78 is defined as a set of sequences 106 as shown in FIG. Further, each sequence 106 is represented by a plurality of video programs (chapter) 107 corresponding to various scenes, and each video program 107 is composed of a plurality of video data cells 105. Each video cell 105 is shown in FIG.
4, the control pack (DSI) 92, the main video pack 93, the sub video pack 95, and the audio pack 9
One image group (GOP: Group of 8
Picture) is arranged in multiple groups.
The configuration of the video cell 105 is similar to that of the menu cell 90, and the video data 102 is MPEG standard (M
Data such as moving images (movies), audio (audio), and sub-pictures compressed according to a compression standard such as the oving Picture Expert Group) are recorded in a data format compatible with the system layer of MPEG2. That is, the video data 102 is a program streamer defined by the MPEG standard. Furthermore, each pack 92, 93, 9
5 and 98 have a pack structure composed of a pack header 97 and a packet 99 corresponding to the pack.

The file management information area 101 is a file management table (FMT) 1.
13. Sequence information table (SIT: Sequence In)
formation table) 114, cell information table (CI
T: Cell Information Table) 115 and the like.

The video data cells in the video data area 102 are numbered consecutively from # 1 in the order of recording on the disc, and the cell information table 115 stores the cell number and cell-related information in association with this cell number. It is described in. That is, the cell information table 115 is defined as a set of areas 117 storing j pieces of cell information (CI) describing information necessary for reproducing video data cells in order of cell numbers. ) Describes information such as the position, size, and reproduction time of a cell in the file 78.

FIG. 15 shows this cell information table 115.
2 shows the contents of the cell information (CI) stored in.
In the cell information 117, contents such as a start position and a size of a video cell obtained by dividing video data into units according to purposes are described by parameters. That is, the cell information (CI)
Is cell type information (CCAT) indicating the content of the video cell such as whether the video cell is a movie, karaoke or interactive menu, cell playback information (CTIME) indicating the total playback time of the video cell, and the start pack of the cell. Describes the upper 32 bits of the SCR (system time reference value) described in (CSSCR), the start position of the video cell, that is, the cell start position information (start offset address block offset logical block number) ( C
SLBN) and cell size information (CNLB) indicating the size (the number of logical blocks) of the video cell. CTIME describes 0 when the cell type is an interactive menu.

The sequence information table 114 has i pieces of sequence information (S) which describe the order of selecting and reproducing the cells 105 within the range specified for each sequence 106.
A set of areas 116 in which I) is stored is defined. In each sequence information (SI), the reproduction order and the reproduction control information on the reproduction of the video cells 105 recorded in the sequence 106 are described. This sequence 1
06 is a complete type sequence completed in one sequence,
There is a connection-type sequence that is branched and connected to the next sequence for each sequence. The connection-type sequence is a head sequence of video data corresponding to a multi-story, and is branched from this sequence and connected to the next sequence. Connection-type head sequence that can be connected, that is, a connection-type head sequence in which the story changes in the manner of selection, a connection-type intermediate sequence that is branched from another connection-type sequence and connected to another sequence, and the like. There is a connection-type termination sequence that is connected from the connection-type sequence and ends the sequence, that is, a connection-type termination sequence in which the story ends in this sequence. The sequence information numbers are defined as sequence numbers 1 to i, and the respective start position information is written in the file management information table 113.

FIG. 16 shows a sequence information table 114 in the file management information area 101 shown in FIG.
2 shows the contents of one sequence information (SI) stored in the. As shown in FIG. 16, in the sequence information area 116, the reproduction order of video cells, sequence information, and the like are described. The sequence information (SI) number is
Sequence information table 1 that matches the sequence number
14 are assigned in the order of their numbers. Sequence number 1 is a default reproduction sequence, and it is considered that the arrangement of cells constituting the sequence is desirably continuous in the specified order. This sequence information 116 is
Sequence type information (SCAT), number of constituent programs (SNPRG), number of constituent cells (SNCEL), sequence reproduction time (STIME), number information of connected sequences (S
NCSQ), sequence number list information (SCSQN)
And sequence control information (SCINF).

The sequence type information (SCAT) contains 1
A complete sequence that ends after playing a sequence, a start sequence of video data corresponding to a multi-story that can be branched from this sequence and connected to the next sequence, other connection type It is described which is a connection-type intermediate sequence that is branched from the sequence and connected to another sequence, or a connection-type end sequence that is connected from another connection-type sequence and ends the sequence. In the number of constituent programs, the number of programs constituting a sequence is described. The number of cells constituting a sequence is described in the number of constituent cells. Sequence playback time (STI
ME) describes the total playback time of the sequence, and connection sequence number information (SNCSQ) describes the number of sequences that can be connected to the sequence after playing the sequence in the connection-type sequence. (SCSQN) describes as a list the sequence numbers of the connection destinations corresponding to the number described in the connection sequence number information (SNCSQ), and further, the sequence control information (SCINF) reproduces the cells constituting the sequence. The order is described, and the cells are played back and the sequence is executed according to the description. A section in which one cell is selected from a plurality of cells and reproduced is described by a block as a set of cells, and by specifying the block, a sequence of the block is executed.
In addition, the sequence defines a program as a reproduction unit in which one or more cells whose reproduction order is continuous are combined, and its number is described. The program numbers in the sequence are assigned in ascending order from # 0.

The file management table 113 shows the specification information regarding the video file 78. In this file management table 113, the file name and a file identifier for identifying whether or not the file can be played back by the optical disk playback device loaded with the optical disk are described. Further, in the file management table 113, the start addresses of the sequence information table 114 and the cell information table 115, the numbers of the sequence information 116 and the cell information 117 described in the respective tables, and the relative distance from the beginning of the file 78. As the start address of the sequence information table 114, the start address of each sequence information 116 indicated by the relative distance from the beginning of the sequence information table 114, the start address of the video data 102, and the information for reproducing each data. The data attributes and the like are described.

The file management table (FMT) 113 is composed of areas in which a plurality of parameters are recorded, and each area has a file name (FFNAM) as shown in FIG.
E), the file identifier (FFID) as information for identifying a movie file, and the size (FS) of the file management table (FMT) described by the number of logical blocks.
ZFMT), total number of sequences present in this file (FNSQ), number of cells present in this file (FN
CEL), the number of disc search information (DSI) packs (FNDSI) existing in the video data of this file
P), the number of logical blocks (FNLB) corresponding to the size of this file, the start address (FSASSIT) of the sequence information table 114 in this file indicated by the offset logical block number from the beginning of the file, the offset logical block from the beginning of the file Start address (FSACIT) of the cell information table 115 in this file indicated by a number, offset logical block from the beginning of the file Disk search map start address (FSADSM) in this file indicated by a number, offset logical block from the beginning of the file Video data start address (FSADVD) in this file indicated by number,
The start address (sequence information table 11) of each sequence information in the sequence information table 114 of this file in which the sequence is described in the order of description of the sequence information.
4 offset byte number from the beginning), size (FSAESI), and sequence information are described in the order of sequence information. The minimum number of cells used in each sequence existing in this file and between the minimum number and the maximum number are used. The number of cells (FSNCIB), the video data attribute (FVATR) 123 indicating the reproduction mode of the video data recorded in this file, and the audio recorded in this file that can be reproduced in the same time zone as this video data. The number of audio (voice) streams (FNAST) 124 indicating the number of data streams (data strings), and the individual audio stream attributes (FAAT) in which the stream numbers corresponding to the number of these streams are associated with the recording order.
R) 125, the number of sub-picture channels (FNSPCH) 12 indicating the number of channels of sub-picture data recorded in this file that can be reproduced in the same time zone as the above video data.
6. Individual sub-picture channel attributes (FSPATR) in which the channel numbers and the recording order are associated by the number of these channels
127, sub-picture color palette (FSPPL) used in all channels of file picture data
T), parameters such as a vendor definition (FVDEF) that defines an area that the vendor can use freely for a specific purpose are recorded.

Next, in the optical disc 10 having the logical format shown in FIGS. 6 to 10 with reference to FIG.
Based on the disk configuration information (DSINF) shown in FIG.
The operation of generating and displaying the main menu screen will be described.

Note that the expressions such as sequences and programs are only expressions in the format, and when used for distinguishing the contents on the title software, it may be difficult to understand or may cause misunderstanding. Sequences are described as titles and programs as chapters.

In the optical disk device shown in FIG. 1, when the power is turned on by turning on the power key 4a of the key operation unit and the display unit 4 or the power key 5a of the remote control 5, the system ROM and RAM 52 are used to write the system. The CPU section 50 reads the initial operation program and operates the disk drive section 30. Therefore,
The disk drive unit 30 starts the read operation from the lead-in area 27, and the volume management information is read from the volume management information area 74 of the volume management area 70 following the lead-in area 27. That is, system C
The PU unit 50 gives a read command to the disk drive unit 30 in order to read the volume management information from the volume management information area 74 recorded at a predetermined position of the optical disc 10 set in the disc drive unit 30. Is read out and temporarily stored in the data RAM section 56 via the system processor section 54. The system CPU unit 50 extracts information such as the recording position and recording capacity of each file and other information necessary for management from the data string of the volume management information stored in the data RAM unit 56, Transfer to location and save.

Next, the system CPU section 50 refers to the previously acquired recording position and recording capacity information of each file from the system ROM & RAM section 52, and the file number 0
The disk information file 76 corresponding to the number is acquired. That is, the system CPU unit 50 stores the system ROM and the R
A read command is given from the AM unit 52 to the disk drive unit 30 with reference to the information on the recording position and the recording capacity of each file previously obtained, and the file management information of the disk information file 76 having the file number 0 is obtained. Read, via the system processor unit 54, the data RAM unit 56
To be stored. The obtained information is also stored in the system ROM &
The data is transferred to a predetermined location in the RAM unit 52 and stored.

After identifying the disc information file 76, the system CPU 50 obtains the number of files from DSINF, and subsequently obtains the number of sequences in the file from FSINF. Next, the system CPU 50
In CINF, the number of audio streams is obtained from FNAST, the number of sub-picture channels is obtained from FNSPCH, and the audio code is obtained from FACODE.
Get the language code of the sub-picture from SPCODE. Further, the system CPU 50 acquires the number of angles and the number of programs (chapters) of each title from TSINF # 1 and # 2. (Refer to the flowchart shown in FIG. 18) When the menu key 5k of the remote control 5 is input, the system CPU 50 causes the screen creation device 66 to issue a code according to the acquired content and an instruction to create a main menu screen. Output. As a result, the screen creation device 66 creates a main menu screen by the code from the system CPU 50 and outputs it to the monitor unit 6 via the D / A & reproduction processing unit 64. Therefore, the monitor 6 displays the main menu screen as shown in FIG.

After generating this main menu screen, the system CPU 50 causes the number of files (DNF) and the number of sequences (FSI) acquired from the disc configuration information (DSINF) of the disc information file in the generation process.
NF) is used to calculate the start position of the menu configuration information (MSINF), and the number of menu cells (NOMCE) in it is calculated.
Check that the menu exists from L).

That is, as shown in the flow chart of FIG. 20, the cell number and presence / absence of a title menu and its recorded address, and the presence / absence of a chapter (program) menu and the cell number and its recorded Address, cell number with / without audio menu and its recorded address, cell number with / without sub-picture menu and its recorded address, cell number with / without angle menu And get its recorded address.

As a result, the system CPU 50 creates and stores in the data RAM section 56 a menu position table 56a as a data map according to the acquired contents. That is, the menu position table 56a is
As shown in FIG. 21, each menu is composed of the number of menus, the cell number in which the menu is stored, and the storage address of this cell number. This menu position table 56a makes it easy to read and reproduce the required menu screen from the optical disc 10.

If the address is "00h", it is determined that there is no menu screen and the address is "0h".
For items other than "0h", "i" is displayed on the main menu screen as shown in FIG.

In this case, ADMSCEL and SPMSCE
Since the address of L is "00h", "i" is displayed for the title, chapter, and angle, and nothing is displayed for the audio and sub-picture.

As described above, in each item of the main menu screen, the presence or absence of the menu screen is distinguished by the icon of "i" mark on the screen. That is, an "i" mark is displayed for an item recognized as having a menu screen, and an "i" mark is not displayed for an item recognized as having no menu screen.

Next, a method of selecting the menu screen of each item displayed on the main menu screen will be specifically described.

1) Title The title number (N1) currently selected and the total number of titles (M1) existing in the optical disc 10 are set to "N1 of
"M1" is displayed. Here, the total number of titles (M1) is the "number of title selection target sequences" (D
Number of files (described in FSINF of SINF) (DSIN
It is a value obtained by adding the value described in DSINF of F). The title number (N1) represents the order of the selected sequence.

This expression method is merely an example, and the notation in this case can be set to "N1 / M1", for example.

Then, while the main menu screen is being displayed by the user, as shown in FIG. 22A, the title item is highlighted by the up / down key 5m of the remote control 5 (highlighted state). , "I" key 5l is pressed, the system CPU 50 reads the number of title menus, the cell number in which the title menu is stored, and the storage address of this cell number from the menu position table 56a, and responds to this address. The data of the title menu screen is read from the optical disc 10 and reproduced. The reproduced data is transmitted to the system processor unit 54, the video decoder unit 64, the D / A &
The title menu screen (the menu screen in the lower layer of the main menu screen) shown in (b) of FIG. 22 is displayed on the monitor unit 6 by being output to the monitor unit 6 via the reproduction processing unit 64.

On the title menu screen, all the title numbers existing on the optical disk 10 are displayed. Here, the main menu screen is the total number of titles (M1).
The titles are all listed in numerical order.

From the display state of the above title menu screen, it is made clear that the title is currently selected by performing expression processing such as enclosing the title number selected by the user in a frame or changing the color. .

In this state, when the item selection of the title is changed by the up / down key 5m of the remote control 5, the item is highlighted. From this state, the menu key 5k of the remote control 5 is pressed to return to the main menu. Further, when the reproduction key 4c of the key operation unit and the display unit 4 or the reproduction key 5d of the remote control 5 is input, the reproduction starts from the head of the selected title.

2) Program (chapter) Program (chapter) number (N) currently selected
2) and the total number of programs (chapter) (M2) existing in the optical disc 10 are displayed as “N2 of M2”. Here, the total number of programs (chapter) (M2) is the total number of programs in the currently selected title, and can be obtained from TSINF of DSINF. Which program (chapter) is selected among them
This is represented by a program (chapter) number (N2).

This expression method is just an example, and the notation in this case can be set to "N2 / M2", for example.

Then, while the main menu screen is being displayed by the user, as shown in (a) of FIG. 23, the "i" key is displayed with the chapter item highlighted by the up / down key 5m of the remote control 5. When 5l is pressed, the system CPU 50 reads the number of program (chapter) menus, the cell number in which the program (chapter) menu is stored, and the storage address of this cell number from the menu position table 56a, and according to this address. The program (chapter) menu screen data is read from the optical disc 10 and reproduced. This reproduced data is stored in the system processor unit 5
4, output to the monitor unit 6 via the video decoder unit 64 and the D / A & reproduction processing unit 64.
Then, the program (chapter) menu screen (the menu screen in the lower layer of the main menu screen) shown in FIG. 23B is displayed.

On the program (chapter) menu screen, all the program (chapter) numbers existing in the current title are displayed. Here, the main menu screen is described by the total number of programs (chapters) (M2), whereas all programs (chapters) are described in numerical order.

From the display state of the program (chapter) menu screen described above, the program (chapter) number selected by the user is surrounded by a frame, or the color of the program (chapter) is changed so that the program (chapter) is currently displayed. Make it clear that you are selected.

In this state, when the item selection of the program (chapter) is changed by the up / down key 5m of the remote control 5, the item is highlighted. From this state, the remote control 5 menu key 5k
Enter to return to the main menu. Further, when the reproduction key 4c of the key operation unit and the display unit 4 or the reproduction key 5d of the remote control 5 is input, the reproduction is started from the beginning of the selected program (chapter).

5) Angle When the cell currently being reproduced constitutes a multi-angle, the currently selected angle number (N3) and the total number of angles (M3) are acquired from the TSINF of DSINF and “N3 of M3” is acquired. Is displayed. “1 of 1” is displayed during playback of cells that are not multi-angle.

This expression method is just an example, and the notation in this case may be "N3 / M3".

Then, while the main menu screen is being displayed by the user, as shown in FIG. 24A, the angle item is highlighted by the up / down key 5m of the remote control 5 (highlighted state). , "I" key 5l is pressed, the system CPU 50 reads the number of angle menus, the cell number in which the angle menu is stored, and the storage address of this cell number from the menu position table 56a, and responds to this address. The data of the angle menu screen is read from the optical disc 10 and reproduced. The reproduced data is transmitted to the system processor unit 54, the video decoder unit 64, the D / A &
By being output to the monitor unit 6 via the reproduction processing unit 64, the angle menu screen (the menu screen in the lower layer of the main menu screen) shown in FIG. 24B is displayed on the monitor unit 6.

From the display state of the above angle menu screen, it is clarified that the angle number is currently selected by performing expression processing such as enclosing the angle number selected by the user in a frame or changing the color. To do.

From this state, when the angle item selection is changed by the up / down key 5m of the remote control 5, the item is highlighted. From this state, the menu key 5k of the remote control 5 is pressed to return to the main menu. Further, when the reproduction key 4c of the key operation unit and the display unit 4 or the reproduction key 5d of the remote control 5 is input, the reproduction is performed at the selected angle.

As described above, after the user selects the sequence (title) to be reproduced, the designated video file 78 is acquired and the video data 102 is acquired.
The operation up to the reproduction will be described below. To get the sequence information for the specified sequence number,
Each video file 78 obtained from the volume management information 74
First, the file management information 101 of the video file 78 to which the sequence to be reproduced belongs is read out using the recording position and the recording capacity of the same, and is stored in the data RAM section 56 as in the case of the disc information file 76.

The system CPU section 50 acquires the sequence information corresponding to the specified sequence number from the sequence information table 114 of the file management information area 101 stored in the data RAM section 56, and the data,
The cell information in the cell information table 115 necessary for reproducing the sequence is stored in the system ROM & RAM section 52.
Transfer to and store.

The cell information to be reproduced first is acquired by the cell reproduction order information in the sequence information thus acquired, and the disk drive unit 30 is based on the video data reproduction start address and size in the cell information. Is given a read instruction from the target address. The disk drive unit 30 drives the optical disk 10 according to the read command, reads data at a target address from the optical disk 10, and sends the data to the system processor unit 54. The system processor unit 54 temporarily stores the transmitted data in the data RAM unit 56, and determines the type of the data (video, audio, sub-picture, reproduction information, etc.) based on the header information added to the data. Then, the disc search information is transferred to the decoder units 58, 60, 62 according to the determined type, and the disc search information is transferred to the data RAM unit 56.

Each of the decoder units 58, 60 and 62 decodes the data in accordance with the respective data format and the encoding method set above, and the D / A & reproduction processing unit 64.
Send to After the D / A & playback processing section 64 converts the digital signal resulting from the decoding of the video data into an analog signal, it performs frame rate processing, aspect processing, pan scan processing, and the like according to the above set conditions, and sends it to the monitor section 6. Is output. The D / A & reproduction processing unit 64 converts the decoding result of the audio data from a digital signal into an analog signal under the above-mentioned set conditions, then performs mixing processing according to the above-specified conditions and outputs the mixed signal to the speaker unit 8. . The D / A & reproduction processing unit 64
After the digital signal resulting from the decoding of the sub-picture data is converted into an analog signal, it is output to the monitor unit 6.

In the process of determining the type of data, if the data is disc search information indicating the reproduction position of the video data, the disc search information is not transferred to the decoder and is stored in the data RAM section 56. To be done. The disc search information is referred to by the system CPU unit 50 as needed and is used for monitoring when reproducing the video data.

When the reproduction of one cell is completed, the cell information to be reproduced next is obtained from the cell reproduction order information in the sequence information, and the reproduction is similarly continued.

Next, referring to FIGS. 25 to 30, video data in the logical format shown in FIGS. 6 to 17 and a recording method on the optical disk 10 for reproducing the video data and the recording method are applied. The recording system will be described.

FIG. 25 shows an encoder system that encodes video data including menu data to generate a video file. In the system shown in FIG. 25, for example, a video tape recorder (VTR) 211, an audio tape recorder (AT) is used as a source of main video data, audio data, and sub video data.
R) 212 and Subpicture source 2
13 is adopted. These generate main video data, audio data, and sub-video data under the control of the system controller (Sys con) 215, and these generate video encoder (VENC) 216, audio encoder (AENC) 217, and sub-video encoder (SPEN), respectively.
C) 218, and these encoders 21 under control of the system controller (Sys con) 215 as well.
6, 217, and 218 are A / D-converted and encoded by respective compression methods, and encoded main video data, audio data, and sub-video data (Comp Video,
Memory 220, 2 as Comp Audio, Comp Sub-pict)
21 and 222. This main video data, audio data, and sub video data (Comp Video, Comp Audi
o, Comp Sub-pict) is the system controller (Sys c
on) 215 by file formatter (FFMT) 22
4 and is converted into the file structure of the video data of this system as described above, and information such as setting conditions and attributes of each data is stored as a file in the memory 226 by the system controller (Sys con) 215. .

A standard flowchart of the encoding process in the system controller (Sys con) 215 for creating a file from video data will be described below.

The main video data and audio data are encoded according to the flowchart shown in FIG. 26, and encoded main video and audio data (Comp Video,
CompAudio) data is created. That is, when the encoding process is started, parameters necessary for encoding the main video data and the audio data are set as shown in step 70 of FIG. Some of the set parameters are set in the system controller (Sys con
) 215 and file formatter
Used in (FFMT) 224. As shown in step S71, the main video data is pre-encoded using the parameters, and the optimal code amount distribution is calculated. Step S7
As shown in 2, the main video is encoded based on the code amount distribution obtained by the pre-encoding. At this time, the encoding of the audio data is performed at the same time. If necessary, as shown in step S73, partial re-encoding of the main video data is executed, and the main video data of the re-encoded portion is replaced. Through this series of steps, the main video data and audio data are encoded. Steps S74 and S75
As shown in, sub-picture data is encoded and encoded sub-picture data (Comp Sub-pict) is created. That is, parameters necessary for encoding the sub-picture data are set in the same manner. Some of the parameters set as shown in step S74 are set in the system controller (Sy
s con), which is stored in the file formatter (FFM
T) 224. Sub-picture data is encoded based on these parameters. By this processing, the sub-picture data is encoded.

According to the flow chart shown in FIG. 27, encoded main video data, audio data, and sub video data (Comp Video, Comp Audio, Comp Sub-pict
) Are combined and converted into a file structure of video data as described with reference to FIG. That is, as shown in step S76, the cell 105 as the minimum unit of the video data is set, and the cell information table (CIT) 11
5 is created. Next, as shown in step S77, the configuration of the cell 105 that constitutes the sequence 106, the main video,
File attributes (FMI) including cell information table (CIT) 115 are set with sub-picture and audio attributes, etc. (a part of these attribute information uses information obtained at each data encoding). Is created. Encoded main video data, audio data, and sub video data (Comp Video, Comp Audio, Comp Sub-pict) are subdivided into fixed packs and can be played back in the order of time code of each data. Control pack (D
(SI) 92 is inserted and each data cell is arranged and formatted into a structure of a disk information file 76 and a file 78 such as a movie file as shown in FIGS.

Note that, in the flowchart shown in FIG. 27, the sequence information indicates that the database of the system controller (Sys con) 215 is used in the process of step S77, or data is re-input as necessary. Execute and sequence information table (SIT) 114
Is described in

Also, the encoded main video data, audio data, and sub video data (Comp Video, Comp A
udio, Comp Sub-pict) are combined and converted into a file structure of image data for the menu as described with reference to FIG. That is, the menu cell 90 is set as the minimum unit of video data for the menu, and the position, size, and
Menu cell information (MCI) such as reproduction time is created. Next, menu configuration information (MSINF) is created as position information of video data for the menu.
Encoded main video data, audio data, and sub video data (Comp Video, Comp Audio, Comp Sub-pic
Each data cell is arranged while inserting a control pack (DSI) 92 for each 1 GOP unit so that t) is subdivided into fixed packs and can be reproduced in the order of the time code of each data, as shown in FIG. It is formatted into the structure of the disc information file 76.

FIG. 28 shows a disk formatter system for recording the files 76 and 78 formatted as described above on the optical disk. As shown in FIG. 28, in the disk formatter system, these file data are stored in the volume formatter (VFMT) 23 from the memories 230 and 232 in which the created information files 76 and files 78 such as movie files are stored.
6. Volume formatter (VFMT)
In 236, in addition to the files 76 and 78, the volume information 74 of the disc is added in the arrangement order shown in FIG. 6 to create the logical data in the state to be recorded on the disc 10. Volume formatter (VFMT) 236
Data for error correction is added to the logical data created in (1) by the disk formatter (DFMT) 238 and reconverted into physical data to be recorded on the disk. In a modulator (Modulator) 240, physical data created by a disk formatter (DFMT) 238 is converted into recording data to be actually recorded on a disk, and the recording data subjected to the modulation processing is recorded by a recorder (Recoder) 242 on the disk 10 Recorded in.

A standard flow chart for creating the above-mentioned disc will be described with reference to FIGS. 29 and 30. FIG. 29 shows a flowchart for creating logical data to be recorded on the disk 10. That is, as shown in step S80, parameter data such as the number of video data files, the order of arrangement, and the size of each video data file are set first. Next, volume information is created from the parameters set as shown in step S81 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 chart for creating physical data for recording on the disc as shown in FIG. 29 is executed. That is, as shown in step S83, the logical data is divided into a fixed number of bytes, and error correction data is generated. Next, as shown in step S84, the logical data divided into a fixed number of bytes and the generated data for error correction are combined to create a physical sector. Thereafter, as shown in step S85, physical data is created by combining the physical sectors.

In this way, the physical data generated by the flow chart shown in FIG. 29 is subjected to the modulation processing based on the fixed rule to create the recording data. Thereafter, this recording data is recorded on the optical disc 10.

As described above, the video data, the audio data, and the sub-picture data are reproducibly recorded in each file of the plurality of files in the same time zone, and the video data of each file is composed of a plurality of sequences and a plurality of programs. When playing an optical disc recorded in a hierarchical structure, each item in the lower layer (title, chapter, audio, sub-picture, angle, etc.) is displayed on the main menu screen.
By simultaneously displaying the icon of the "i" key indicating whether or not there is a menu screen for each file, it is possible to easily recognize the presence or absence of various menu screens for each of the above files during playback, and to facilitate various menu screens. Can be displayed on.

Further, the user can easily confirm or select the contents recorded on the optical disc.

Further, it is possible to prepare a table showing the position of the menu screen recorded on the optical disc, and the menu screen can be easily displayed.

Further, even when the data of the menu screen is not recorded on the optical disc, the menu screen can be created and displayed from the information recorded on the optical disc.

In the above embodiments, the high density recording type optical disk has been described as the recording medium.
The present invention is directed to a storage medium other than the optical disc, for example,
The present invention can also be applied to a magnetic disk or another storage medium capable of physically recording at high density.

[0124]

As described in detail above, according to the present invention,
The contents recorded on the recording medium can be easily confirmed and selected.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a schematic configuration of an optical disk reproducing apparatus for explaining an embodiment of the present invention.

FIG. 2 is a diagram for explaining the configuration of a disk drive unit.

FIG. 3 is a perspective view for explaining the configuration of an optical disc.

FIG. 4 is a plan view for explaining a configuration of a key operation unit and a display unit.

FIG. 5 is a plan view for explaining the configuration of a remote control.

FIG. 6 is a diagram for explaining a volume structure of an optical disc.

FIG. 7 is a diagram for explaining the structure of a disc information file.

FIG. 8 is a diagram for explaining the contents of disk configuration information.

FIG. 9 is a diagram for explaining the contents of menu configuration information.

FIG. 10 is a diagram for explaining the contents of menu cell information.

FIG. 11 is a diagram for explaining a specific example of disk configuration information.

FIG. 12 is a diagram for explaining the structure of a video file.

FIG. 13 is a diagram for explaining a hierarchical structure of image data stored in a file.

FIG. 14 is a 1GO constituting the video cell shown in FIG.
It is explanatory drawing which shows P.

FIG. 15 is a diagram for explaining the contents of cell information stored in a cell information table.

FIG. 16 is a diagram for explaining the content of one piece of sequence information stored in a sequence information table.

FIG. 17 is a diagram for explaining parameters recorded in a file management table.

FIG. 18 is a flowchart for acquiring the contents of the main menu screen from FCINF.

FIG. 19 is a diagram showing a display example of a main menu screen.

FIG. 20 is a flowchart for obtaining the cell number and presence / absence of each menu with and without each menu.

FIG. 21 is a diagram showing an example of storage of a menu position table.

FIG. 22 is a diagram showing a display example of a main menu screen and a selected menu screen.

FIG. 23 is a diagram showing a display example of a main menu screen and a selected menu screen.

FIG. 24 is a diagram showing a display example of a main menu screen and a selected menu screen.

FIG. 25 is a block diagram showing an encoder system that encodes video data to generate a video file.

FIG. 26 is a flowchart showing the encoding process shown in FIG. 25.

FIG. 27 is a flowchart for creating a video data file by combining the main video data, audio data, and sub-video data encoded by the flow shown in FIG. 25.

FIG. 28 is a block diagram showing a system of a disc formatter for recording a formatted video file on an optical disc.

FIG. 29 is a flowchart for creating logical data for recording on a disc in the disc formatter shown in FIG. 28.

FIG. 30 is a flowchart of creating physical data to be recorded on a disc from logical data.

[Explanation of symbols]

 4 ... Key operation part and display part 5 ... Remote control 5k ... Menu key 5l ... i key 5m ... Up / down key 6 ... Monitor part 8 ... Speaker part 10 ... Optical disk 30 ... Disk drive part 50 ... System CPU part 52 ... System ROM And RAM 54 ... System processor section 56 ... Data RAM section 56a ... Table 58 ... Video decoder section 60 ... Audio decoder section 62 ... Sub-picture decoder section 64 ... D / A & reproduction processing section 66 ... Screen creation device 76 ... Disc information file 82 File management information area 84 Menu video data area 86 Disc configuration information area 87 Menu configuration information area 88 Menu cell information table 89 Menu cell information area 90 Menu cell

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Claims (10)

[Claims] 1. A plurality of first files in which data is recorded, and the above-mentioned contents used when confirming or selecting various contents of the data stored in these first files, respectively. And a second file in which menu screen information corresponding to at least two of the above is recorded, and the second file includes a recording area in which the plurality of menu screen information is recorded and each of the recording areas in the recording area. In a reproducing apparatus for reproducing data from a recording medium consisting of a management area in which a recording position of menu screen information or information indicating no menu screen information is recorded for each content of the above data, various contents of the above data are reproduced. When displaying the information shown, it is determined whether or not there is menu screen information corresponding to each of the above contents by the recorded contents of the management area of the second file. Determining means and display means for displaying information indicating various contents of the above-mentioned data according to the determination result by the determining means, and simultaneously displaying information indicating the presence of the menu screen for each content having the menu screen information, A reproducing device characterized by being provided. 2. A plurality of first files in which data is recorded, and the above-mentioned contents used when confirming or selecting various contents of the data stored in these first files, respectively. And a second file in which menu screen information corresponding to at least two of the above is recorded, and the second file includes a recording area in which the plurality of menu screen information is recorded and each of the recording areas in the recording area. In a reproducing apparatus for reproducing data from a recording medium consisting of a management area in which a recording position of menu screen information or information indicating no menu screen information is recorded for each content of the above data, various contents of the above data are reproduced. When displaying the information, the presence or absence of the menu screen information corresponding to the above contents is determined by the recorded contents of the management area of the second file. This determination result, reproducing method and displays the information showing various contents of said data, displays the information indicating that the menu screen for each content having the menu screen information at the same time, characterized in that. 3. A plurality of first files in which data is recorded, and the above-mentioned contents used when confirming or selecting various contents of data stored in these first files, respectively. And a second file in which menu screen information corresponding to at least two of the above is recorded, and the second file includes a recording area in which the plurality of menu screen information is recorded and each of the recording areas in the recording area. In a reproducing apparatus for reproducing data from a recording medium consisting of a management area in which a recording position of menu screen information or information indicating no menu screen information is recorded for each content of the above data, various contents of the above data are reproduced. When displaying the information shown, it is determined whether or not there is menu screen information corresponding to each of the above contents by the recorded contents of the management area of the second file. Determination means, and display means for displaying information indicating various contents of the data according to the determination result by the determination means and simultaneously displaying information indicating the presence of the menu screen for each content having the menu screen information, A reproducing apparatus comprising: the same key as the information indicating the presence of the menu screen displayed on the display means, and an instruction means for instructing the display of the corresponding menu screen by the input of this key. 4. A plurality of first files in which data is recorded, and the above-mentioned contents used when confirming or selecting various contents of data stored in these first files, respectively. And a second file in which menu screen information corresponding to at least two of the above is recorded, and the second file includes a recording area in which the plurality of menu screen information is recorded and each of the recording areas in the recording area. In a reproducing device for reproducing data from a recording medium consisting of a management area in which a recording position of menu screen information or information indicating no menu screen information is recorded for each content of the above data, various contents of the above data are recorded. When displaying the information, the presence or absence of the menu screen information corresponding to the above contents is determined by the recorded contents of the management area of the second file. Based on this determination result, information indicating various contents of the above-mentioned data is displayed, and at the same time, information indicating the presence of the menu screen is displayed for each content having the menu screen information, indicating the presence of the displayed menu screen. A reproducing method characterized by instructing display of a corresponding menu screen by inputting the same key as information. 5. A plurality of first files in which data is recorded, and the above-mentioned contents used when confirming or selecting various contents of the data stored in these first files, respectively. A second file in which menu screen information corresponding to at least two of the above is recorded, and the second file includes a recording area in which the plurality of menu screen information is recorded and each of the recording areas in the recording area. A recording medium comprising a management area in which information indicating the recording position of menu screen information or the absence of menu screen information is recorded for each content of the above data. 6. A recording device for recording data on a storage medium composed of a plurality of first files and at least one second file, wherein the data and various contents of the data are respectively confirmed and selected. Supply means for supplying menu screen information corresponding to at least two or more of each of the above-mentioned contents used when performing, encoding means for encoding the data or menu screen information supplied by this supplying means, and encoding means by this encoding means. The first storage means for storing the stored data in the first file of the recording medium, and the information indicating the absence of the menu screen information for the menu screen information encoded by the encoding means or the content without the menu screen information. Second of medium
And a second storage unit for storing the file in the file. 7. A plurality of first files in which data is recorded and the above-mentioned contents used for confirming and selecting various contents of the data stored in these first files, respectively. A second file in which menu screen information corresponding to at least two of the above is recorded, and the second file includes a recording area in which the plurality of menu screen information is recorded and each of the recording areas in the recording area. In a reproducing device for reproducing data from a recording medium consisting of a management area in which a recording position of menu screen information or information indicating no menu screen information is recorded for each content of the above data, various contents of the above data are recorded. When displaying the information, the presence or absence of the lower-layer menu screen information corresponding to the above contents is determined by the recorded contents of the management area of the second file. A display for displaying the information indicating various contents of the above-mentioned data according to the determination means for determining and the information indicating the presence of the menu screen for each content having the menu screen information of the lower layer at the same time. A reproducing apparatus comprising: 8. A plurality of first files in which data is recorded and the above-mentioned contents used for confirming and selecting various contents of the data stored in these first files, respectively. And a second file in which menu screen information corresponding to at least two of the above is recorded, and the second file includes a recording area in which the plurality of menu screen information is recorded and each of the recording areas in the recording area. In a reproducing apparatus for reproducing data from a recording medium consisting of a management area in which a recording position of menu screen information or information indicating no menu screen information is recorded for each content of the above data, various contents of the above data are reproduced. When displaying the information, the presence or absence of the lower-layer menu screen information corresponding to the above contents is determined by the recorded contents of the management area of the second file. Based on this determination result, information indicating various contents of the above data is displayed, and information indicating the presence of the menu screen is simultaneously displayed for each content having the menu screen information in the lower layer. Method. 9. A plurality of first files in which data is recorded, and the above-mentioned contents used for confirming and selecting various contents of data stored in these first files, respectively. And a second file in which menu screen information corresponding to at least two of the above is recorded, and the second file includes a recording area in which the plurality of menu screen information is recorded and each of the recording areas in the recording area. In a reproducing apparatus for reproducing data from a recording medium consisting of a management area in which a recording position of menu screen information or information indicating no menu screen information is recorded for each content of the above data, various contents of the above data are reproduced. When displaying the information shown, it is determined whether or not there is menu screen information corresponding to each of the above contents by the recorded contents of the management area of the second file. Determination means, and display means for displaying information indicating various contents of the data according to the determination result by the determination means and simultaneously displaying information indicating the presence of the menu screen for each content having the menu screen information, The remote control unit has the same key as the information indicating the presence of the menu screen displayed on the display means, and a remote operation unit including an instruction means for instructing the display of the corresponding menu screen by the input of this key. Playback device. 10. A plurality of first files in which data is recorded, and each of the above contents used for confirming and selecting various contents of data stored in these first files. And a second file in which menu screen information corresponding to at least two of the above is recorded, and the second file includes a recording area in which the plurality of menu screen information is recorded and each of the recording areas in the recording area. In a reproducing apparatus for reproducing data from a recording medium consisting of a management area in which a recording position of menu screen information or information indicating no menu screen information is recorded for each content of the above data, various contents of the above data are reproduced. When displaying the information, the presence or absence of the menu screen information corresponding to each of the above contents is determined by the recorded contents of the management area of the second file. And a display unit that displays information indicating various contents of the data according to the determination result by the determination unit, and simultaneously displays information indicating the presence of the menu screen for each content having the menu screen information, The remote operation section has the same key as the information indicating the presence of the menu screen displayed on the display means, and the remote operation section including the instruction means for instructing the display of the corresponding menu screen by the input of this key, and the remote operation section First reading means for reading the recording position of the menu screen information instructed from the management area of the second file in response to the input of the same key as the information indicating the presence of the menu screen by the instructing means, The menu screen information is read from the recording area of the second file according to the recording position of the menu screen information read by the first reading means. And second reading means, reproducing apparatus characterized by comprising converting means for converting the menu screen information read by the second reading means to read output, a.