Multiangle block reproduction system

Claim 3

A remote controller used for said multiangle block reproduction system of claim 1, comprising an angle key to send an angle change instruction to said reproduction system when the angle mark is flickered, modified, or changed in color.

Claim 4

A remote controller used for said multiangle block reproduction system of claim 1, comprising an angle mark ON/OFF key to selectively set the ON state of the angle mark to an ON/OFF state when the angle mark is set in an ON state.

Claim 5

A remote controller used for said multiangle block reproduction system of claim 1, comprising a display for displaying the angle mark.

Claim 6

A remote controller used for said multiangle block reproduction system of claim 1, wherein said angle mark has a shape for illustrating a camera angle direction.

Claim 7

A multiangle block reproduction system of claim 1, wherein said system comprises a display window having the angle mark, and the angle mark displayed in the display window has a shape for illustrating a camera angle direction.

Claim 8

A remote controller used for said multiangle block reproduction system of claim 1, wherein said remote controller includes a key for changing an angle number contained in the angle block.

Claim 9

A multiangle block reproduction system according to claim 1, comprising means for displaying an angle number contained in the angle block.

Claim 10

A multiangle block reproduction system according to claim 1, comprising means for displaying an angle number of the angle block under reproduction.

Claim 11

A reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, wherein the video manager of the disk-like recording medium has video manager information, the video manager information contains a title search pointer table, the title search pointer table contains a title search pointer, and the title search pointer contains an angle count, wherein the angle count represents the number of angles, and said reproduction apparatus comprises an angle mark for notifying the presence of the angle cell, and means for checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark.

Claim 12

A reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, wherein the video manager of the disk-like recording medium has video manager information, the video manager information contains a title search pointer table, the title search pointer table contains a title search pointer, and the title search pointer contains an angle count, wherein the angle count represents the number of angles, and said reproduction apparatus comprises an angle mark for notifying the presence of the angle cell, and means for checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark.

Claim 13

A reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, wherein the video manager of the disk-like recording medium has video manager information, the video manager information contains a title search pointer table, the title search pointer table contains a title search pointer, and the title search pointer contains an angle count, wherein the angle count represents the number of angles, and said reproduction apparatus comprises an angle mark for notifying the presence of the angle cell, first means for checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark, and second means for, when the angle count represents only one angle, turning off the angle mark.

Claim 14

A reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, wherein the video manager of the disk-like recording medium has video manager information, the video manager information contains a title search pointer table, the title search pointer table contains a title search pointer, and the title search pointer contains an angle count, wherein the angle count represents the number of angles, and said reproduction apparatus comprises an angle mark for notifying the presence of the angle cell, first means for checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark, and second means for, when the angle count represents only one angle, turning off the angle mark.

Claim 15

A reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, wherein the video manager of the disk-like recording medium has video manager information, the video manager information contains a title search pointer table, the title search pointer table contains a title search pointer, and the title search pointer contains an angle count, wherein the angle count represents the number of angles, and said reproduction apparatus comprises an angle mark for notifying the presence of the angle cell, first means for checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark, second means for, when the angle count represents only one angle, turning off the angle mark, and third means for, even when the angle count represents the plurality of angles, forcibly turning off the angle mark.

Claim 16

A reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, wherein the video manager of the disk-like recording medium has video manager information, the video manager information contains a title search pointer table, the title search pointer table contains a title search pointer, and the title search pointer contains an angle count, wherein the angle count represents the number of angles, and said reproduction apparatus comprises an angle mark for notifying the presence of the angle cell, first means for checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark, second means for, when the angle count represents only one angle, turning off the angle mark, and third means for, even when the angle count represents the plurality of angles, forcibly turning off the angle mark.

Claim 17

A reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, wherein the video manager of the disk-like recording medium has video manager information, the video manager information contains a title search pointer table, the title search pointer table contains a title search pointer, and the title search pointer contains an angle count, wherein the angle count represents the number of angles, and said reproduction apparatus comprises an angle mark for notifying the presence of the angle cell, first means for checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark, second means for, when the angle count represents only one angle, turning off the angle mark, third means for, even when the angle count represents the plurality of angles, turning on or off the angle mark, and a remote controller having an angle mark ON/OFF key for instructing an ON/OFF operation of the angle mark to said third means.

Claim 18

A reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, wherein the video manager of the disk-like recording medium has video manager information, the video manager information contains a title search pointer table, the title search pointer table contains a title search pointer, and the title search pointer contains an angle count, wherein the angle count represents the number of angles, and said reproduction apparatus comprises an angle mark for notifying the presence of the angle cell, first means for checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark, second means for, when the angle count represents only one angle, turning off the angle mark, third means for, even when the angle count represents the plurality of angles, turning on or off the angle mark, and a remote controller having an angle mark ON/OFF key for instructing an ON/OFF operation of the angle mark to said third means.

Claim 19

A reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, wherein the video title set of the disk-like recording medium contains at least one video object set, the video object set contains at least one video object, the video object contains at least one cell including the angle cell, said cell contains at least one video object unit, each of said at least one video object unit contains a navigation pack at a head thereof, the navigation pack contains presentation control information, and the presentation control information contains nonseamless angle information having address data of each angle cell, and the video manager of the disk-like recording medium has video manager information, the video manager information contains a title search pointer table, the title search pointer table contains a title search pointer, and the title search pointer contains an angle count, wherein the angle count represents the number of angles, said reproduction apparatus comprises an angle mark notifying the presence of the angle block, first means for checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark, and second means for, when the angle count represents the plurality of angles, referring to the address data of each angle cell, returning to another angle cell different from the angle cell under reproduction along a reproduction time axis, and nonseamlessly switching the reproduction target.

Claim 20

A reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, wherein the video title set of the disk-like recording medium contains at least one video object set, the video object set contains at least one video object, the video object contains at least one cell including the angle cell, said cell contains at least one video object unit, each of said at least one video object unit contains a navigation pack at a head thereof, the navigation pack contains presentation control information, and the presentation control information contains nonseamless angle information having address data of each angle cell, and the video manager of the disk-like recording medium has video manager information, the video manager information contains a title search pointer table, the title search pointer table contains a title search pointer, and the title search pointer contains an angle count, wherein the angle count represents the number of angles, said reproduction apparatus comprises an angle mark notifying the presence of the angle block, first means for checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark, and second means for, when the angle count represents the plurality of angles, referring to the address data of each angle cell, returning to another angle cell different from the angle cell under reproduction along a reproduction time axis, and nonseamlessly switching the reproduction target.

Claim 21

A reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, wherein the video title set of the disk-like recording medium contains at least one video object set, the video object set contains at least one video object, the video object contains at least one cell including the angle cell, said cell contains at least one video object unit, each of said at least one video object unit contains a navigation pack at a head thereof, the navigation pack contains data search information, and the data search information contains seamless angle information having address data of each angle cell, the video title set of the disk-like recording medium contains a program chain constituted by at least one cell including the angle cell, the program chain contains program chain information, the program chain information contains a cell playback information table, the cell playback information table contains at least one cell playback information, each of the at least one cell playback information contains a cell category, and the cell category contains a cell block type representing the angle block or not and a seamless angle change flag representing a seamless angle change or not, and the video manager of the disk-like recording medium has video manager information, the video manager information contains a title search pointer table, the title search pointer table contains a title search pointer, and the title search pointer contains an angle count, wherein the angle count represents the number of angles, said reproduction apparatus comprises an angle mark notifying the presence of the angle block, first means for checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark, second means for, when the cell block type of the cell category represents a current angle block, flickering, flashing or modifying the angle mark or displaying the angle mark in another color, and third means for, when the cell block type of the cell category represents the current angle block and the seamless angle change flag of the category represents a seamless angle change, referring to the address data of each angle cell and seamlessly switching the reproduction target to another angle cell different from the angle cell under reproduction without returning along a reproduction time axis.

Claim 22

A reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, wherein the video title set of the disk-like recording medium contains at least one video object set, the video object set contains at least one video object, the video object contains at least one cell including the angle cell, said cell contains at least one video object unit, each of said at least one video object unit contains a navigation pack at a head thereof, the navigation pack contains data search information, and the data search information contains seamless angle information having address data of each angle cell, the video title set of the disk-like recording medium contains a program chain constituted by at least one cell including the angle cell, the program chain contains program chain information, the program chain information contains a cell playback information table, the cell playback information table contains at least one cell playback information, each of the at least one cell playback information contains a cell category, and the cell category contains a cell block type representing the angle block or not and a seamless angle change flag representing a seamless angle change or not, and the video manager of the disk-like recording medium has video manager information, the video manager information contains a title search pointer table, the title search pointer table contains a title search pointer, and the title search pointer contains an angle count, wherein the angle count represents the number of angles, said reproduction apparatus comprises an angle mark notifying the presence of the angle block, first means for checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark, second means for, when the cell block type of the cell category represents a current angle block, flickering, flashing or modifying the angle mark or displaying the angle mark in another color, and third means for, when the cell block type of the cell category represents the current angle block and the seamless angle change flag of the category represents a seamless angle change, referring to the address data of each angle cell and seamlessly switching the reproduction target to another angle cell different from the angle cell under reproduction without returning along a reproduction time axis.

Claim 23

An angle mark turn-on method in a reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, said method comprising: recording video manager information on the video manager of the disk-like recording medium, recording a title search pointer table on the video manager information, recording a title search pointer on the title search pointer table, recording an angle count on the title search pointer, wherein the angle count represents the number of angles, and checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark notifying the presence of the angle cell.

Claim 24

An angle mark turn-on method in a reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, said method comprising: recording video manager information on the video manager of the disk-like recording medium, recording a title search pointer table on the video manager information, recording a title search pointer on the title search pointer table, recording an angle count on the title search pointer, wherein the angle count represents the number of angles, and checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark notifying the presence of the angle cell.

Claim 25

An angle mark turn-on/off method in a reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, said method comprising: recording video manager information on the video manager of the disk-like recording medium, recording a title search pointer table on the video manager information, recording a title search pointer on the title search pointer table, recording an angle count on the title search pointer, wherein the angle count represents the number of angles, checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark notifying the presence of the angle cell, and when the angle count represents only one angle, turning off the angle mark.

Claim 26

An angle mark turn-on/off method in a reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, said method comprising: recording video manager information on the video manager of the disk-like recording medium, recording a title search pointer table on the video manager information, recording a title search pointer on the title search pointer table, recording an angle count on the title search pointer, wherein the angle count represents the number of angles, checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark notifying the presence of the angle cell, and when the angle count represents only one angle, turning off the angle mark.

Claim 27

An angle mark turn-on/off method in a reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, said method comprising: recording video manager information on the video manager of the disk-like recording medium, recording a title search pointer table on the video manager information, recording a title search pointer on the title search pointer table, recording an angle count on the title search, wherein the angle count represents the number of angles, checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark notifying the presence of the angle cell, when the angle count represents only one angle, turning off the angle mark, and even when the angle count represents the plurality of angles, arbitrarily turning off the angle mark.

Claim 28

An angle mark turn-on/off method in a reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, said method comprising: recording video manager information on the video manager of the disk-like recording medium, recording a title search pointer table on the video manager information, recording a title search pointer on the title search pointer table, recording an angle count on the title search, wherein the angle count represents the number of angles, checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark notifying the presence of the angle cell, when the angle count represents only one angle, turning off the angle mark, and even when the angle count represents the plurality of angles, arbitrarily turning off the angle mark.

Claim 29

A nonseamless angle change method in a reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, said method comprising: recording at least one video object set on the video title set of the disk-like recording medium, recording at least one video object on the video object set, recording at least one cell including the angle cell on the video object, recording at least one video object unit on the cell, recording a navigation pack at a head of each of said at least one object unit, recording presentation control information on the navigation pack, recording nonseamless angle information including address data of each angle cell on the presentation control information, recording video manager information on the video manager of the disk-like recording medium, recording a title search pointer table on the video manager information, recording a title search pointer on the title search pointer table, recording an angle count on the title search pointer, wherein the angle count represents the number of angles, checking the angle count, and when the angle count represents a plurality of angles, turning on an angle mark notifying the presence of the angle block, and when the angle count represents the plurality of angles, referring to the address data of each angle cell, returning to another angle cell different from the angle cell under reproduction along a reproduction time axis, and nonseamlessly switching the reproduction target.

Claim 30

A nonseamless angle change method in a reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, said method comprising: recording at least one video object set on the video title set of the disk-like recording medium, recording at least one video object on the video object set, recording at least one cell including the angle cell on the video object, recording at least one video object unit on the cell, recording a navigation pack at a head of each of said at least one object unit, recording presentation control information on the navigation pack, recording nonseamless angle information including address data of each angle cell on the presentation control information, recording video manager information on the video manager of the disk-like recording medium, recording a title search pointer table on the video manager information, recording a title search pointer on the title search pointer table, recording an angle count on the title search pointer, wherein the angle count represents the number of angles, checking the angle count, and when the angle count represents a plurality of angles, turning on an angle mark notifying the presence of the angle block, and when the angle count represents the plurality of angles, referring to the address data of each angle cell, returning to another angle cell different from the angle cell under reproduction along a reproduction time axis, and nonseamlessly switching the reproduction target.

Claim 31

A seamless angle change method in a reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, said method comprising: recording at least one video object set on the video title set of the disk-like recording medium, recording at least one video object on the video object set, recording at least one cell including the angle cell on the video object, recording at least one video object unit on the cell, recording a navigation pack at a head of each of said at least one object unit, recording data search information on the navigation pack, recording seamless angle information including the address data of each angle cell on the data search information, recording, on the video title set, a program chain constituted by at least one cell including the angle cell, recording program chain information on the program chain, recording a cell playback information table on the program chain information, recording at least one cell playback information on the cell playback information table, recording a cell category on each of said at least one cell playback information, recording, on the cell category, a cell block type representing the angle block or not and a seamless angle change flag representing a seamless angle change or not, recording video manager information on the video manager of the disk-like recording medium, recording a title search pointer table on the video manager information, recording a title search pointer on the title search pointer table, recording an angle count on the title search pointer, wherein the angle count represents the number of angles, checking the angle count, and when the angle count represents a plurality of angles, returning on the angle mark notifying the presence of the angle block, when the cell block type of the cell category represents a current angle block, flickering or modifying the angle mark or displaying the angle mark in another color, and when the cell block type of the cell category represents the current angle block and the seamless angle change flag of the category represents a seamless angle change, referring to the address data of each angle cell and seamlessly switching the reproduction target to another angle cell different from the angle cell under reproduction without returning along a reproduction time axis.

Claim 32

A seamless angle change method in a reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, said method comprising: recording at least one video object set on the video title set of the disk-like recording medium, recording at least one video object on the video object set, recording at least one cell including the angle cell on the video object, recording at least one video object unit on the cell, recording a navigation pack at a head of each of said at least one object unit, recording data search information on the navigation pack, recording seamless angle information including the address data of each angle cell on the data search information, recording, on the video title set, a program chain constituted by at least one cell including the angle cell, recording program chain information on the program chain, recording a cell playback information table on the program chain information, recording at least one cell playback information on the cell playback information table, recording a cell category on each of said at least one cell playback information, recording, on the cell category, a cell block type representing the angle block or not and a seamless angle change flag representing a seamless angle change or not, recording video manager information on the video manager of the disk-like recording medium, recording a title search pointer table on the video manager information, recording a title search pointer on the title search pointer table, recording an angle count on the title search pointer, wherein the angle count represents the number of angles, checking the angle count, and when the angle count represents a plurality of angles, returning on the angle mark notifying the presence of the angle block, when the cell block type of the cell category represents a current angle block, flickering or modifying the angle mark or displaying the angle mark in another color, and when the cell block type of the cell category represents the current angle block and the seamless angle change flag of the category represents a seamless angle change, referring to the address data of each angle cell and seamlessly switching the reproduction target to another angle cell different from the angle cell under reproduction without returning along a reproduction time axis.

Claim 33

A computer-readable program which is adapted to a disk-like recording medium comprising a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, the at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing or imaging a photographic target at a variety of camera angles, wherein when the video manager of the disk-like recording medium includes video manager information, the video manager information includes a title search pointer table, the title search pointer table includes a title search pointer, the title search pointer includes an angle count, wherein the angle count represents the number of angles, said computer-readable program for selectively reproducing video data in the angle cells from the disk-like recording medium comprising: checking the number of the angles; and when the checked number is two or more, turning-on an angle mark so as to indicate the existence of the angle cells.

Claim 34

A computer-readable program which is adapted to a disk-like recording medium comprising a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, the at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing or imaging a photographic target at a variety of camera angles, wherein when the video manager of the disk-like recording medium includes video manager information, the video manager information includes a title search pointer table, the title search pointer table includes a title search pointer, the title search pointer includes an angle count, wherein the angle count represents the number of angles, said computer-readable program for selectively reproducing video data in the angle cells from the disk-like recording medium comprising: checking the number of the angles; and when the checked number is two or more, turning-on an angle mark so as to indicate the existence of the angle cells.

Claim 35

A computer-readable program which is adapted to a disk-like recording medium comprising a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, the at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing or imaging a photographic target at a variety of camera angles, wherein when the video manager of the disk-like recording medium includes video manager information, the video manager information includes a title search pointer table, the title search pointer table includes a title search pointers the title search pointer includes an angle count, wherein the angle count represents the number of angles, said computer-readable program for selectively reproducing video data from the disk-like recording medium comprising: checking the number of the angles; when the checked number is two or more, turning on an angle mark so as to indicate the existence of the angle cells; and when the checked number is one, turning-off the angle mark.

Claim 36

A computer-readable program which is adapted to a disk-like recording medium comprising a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, the at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing or imaging a photographic target at a variety of camera angles, wherein when the video manager of the disk-like recording medium includes video manager information, the video manager information includes a title search pointer table, the title search pointer table includes a title search pointers the title search pointer includes an angle count, wherein the angle count represents the number of angles, said computer-readable program for selectively reproducing video data from the disk-like recording medium comprising: checking the number of the angles; when the checked number is two or more, turning on an angle mark so as to indicate the existence of the angle cells; and when the checked number is one, turning-off the angle mark.

Claim 37

A computer-readable program which is adapted to a disk-like recording medium comprising a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, the at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing or imaging a photographic target at a variety of camera angles, wherein when the video manager of the disk-like recording medium includes video manager information, the video manager information includes a title search pointer table, the title search pointer table includes a title search pointer, the title search pointer includes an angle count, wherein the angle count represents the number of angles, said computer-readable program for selectively reproducing video data in the angle cells from the disk-like recording medium comprising: checking the number of the angles; when the checked number is two or more, turning-on an angle mark so as to indicate the existence of the angle cells; when the checked number is one, turning-off the angle mark; and even if the checked number is two or more, arbitrary turning-off the angle mark.

Claim 38

A computer-readable program which is adapted to a disk-like recording medium comprising a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, the at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing or imaging a photographic target at a variety of camera angles, wherein when the video manager of the disk-like recording medium includes video manager information, the video manager information includes a title search pointer table, the title search pointer table includes a title search pointer, the title search pointer includes an angle count, wherein the angle count represents the number of angles, said computer-readable program for selectively reproducing video data in the angle cells from the disk-like recording medium comprising: checking the number of the angles; when the checked number is two or more, turning-on an angle mark so as to indicate the existence of the angle cells; when the checked number is one, turning-off the angle mark; and even if the checked number is two or more, arbitrary turning-off the angle mark.

Claim 39

A computer-readable program which is adapted to a disk-like recording medium comprising a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, the at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing or imaging a photographic target at a variety of camera angles, wherein when the video title set of the disk-like recording medium includes one or more video object sets, the video object set includes one or more video object sets, the video object set contains one or more cells including the angle cells, and the cell includes one or more video object units; when each of the video object units is provided with a navigation pack at the head portion thereof, the navigation pack includes presentation control information, the presentation control information contains nonseamless angle information including respective address data of the angle cells; and when the video manager of the disk-like recording medium includes video manager information, the video manager information includes a title search pointer table, the title search pointer table includes a title search pointer, the title search pointer includes an angle count, wherein the angle count represents the number of angles; said computer-readable program for selectively reproducing video data in the angle cells from the disk-like recording medium comprising: checking the number of the angles; when the checked number is two or more, turning-on an angle mark so as to indicate the existence of the angle cells; when the checked number is two or more, nonseamlessly changing the target of presentation from the currently presented angle cell to another angle cell with reference to the respective address data of the angle cells.

Claim 40

A computer-readable program which is adapted to a disk-like recording medium comprising a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, the at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing or imaging a photographic target at a variety of camera angles, wherein when the video title set of the disk-like recording medium includes one or more video object sets, the video object set includes one or more video object sets, the video object set contains one or more cells including the angle cells, and the cell includes one or more video object units; when each of the video object units is provided with a navigation pack at the head portion thereof, the navigation pack includes presentation control information, the presentation control information contains nonseamless angle information including respective address data of the angle cells; and when the video manager of the disk-like recording medium includes video manager information, the video manager information includes a title search pointer table, the title search pointer table includes a title search pointer, the title search pointer includes an angle count, wherein the angle count represents the number of angles; said computer-readable program for selectively reproducing video data in the angle cells from the disk-like recording medium comprising: checking the number of the angles; when the checked number is two or more, turning-on an angle mark so as to indicate the existence of the angle cells; when the checked number is two or more, nonseamlessly changing the target of presentation from the currently presented angle cell to another angle cell with reference to the respective address data of the angle cells.

Claim 41

A computer-readable program which is adapted to a disk-like recording medium comprising a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, the at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing or imaging a photographic target at a variety of camera angles, wherein when the video title set of the disk-like recording medium includes one or more video object sets, the video object set includes one or more video object sets, the video object set contains one or more cells including the angle cells, and the cell includes one or more video object units; when each of the video object units is provided with a navigation pack at the head portion thereof, the navigation pack includes data search information, the data search information contains seamless angle information including respective address data of the angle cells; and when the video title set contains a program chain constituted by one or more cells including the angle cells, the program chain contains program chain information, the program chain information contains a cell playback information table, the cell playback information table contains one or more cell playback information, each of the cell playback information contains a cell category, and the cell category contains a cell block type representing the angle block or not and a seamless angle change flag representing a seamless angle change or not; said computer-readable program for selectively reproducing video data in the angle cells from the disk-like recording medium comprising: checking an angle count wherein the angle count represents the number of the angles; when the checked number is two or more, turning-on an angle mark so as to indicate the existence of the angle cells; when the cell block type of the cell category represents the current angle block, flashing the angle mark or modifying the shape of the angle mark or changing the color of the angle mark; and when the cell block type of the cell category represents the current angle block and the seamless angle change flag of the category represents a seamless angle change, seamlessly changing the target of presentation from the currently presented angle cell to another angle cell with reference to the respective address data of the angle cells.

Claim 42

A computer-readable program which is adapted to a disk-like recording medium comprising a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, the at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing or imaging a photographic target at a variety of camera angles, wherein when the video title set of the disk-like recording medium includes one or more video object sets, the video object set includes one or more video object sets, the video object set contains one or more cells including the angle cells, and the cell includes one or more video object units; when each of the video object units is provided with a navigation pack at the head portion thereof, the navigation pack includes data search information, the data search information contains seamless angle information including respective address data of the angle cells; and when the video title set contains a program chain constituted by one or more cells including the angle cells, the program chain contains program chain information, the program chain information contains a cell playback information table, the cell playback information table contains one or more cell playback information, each of the cell playback information contains a cell category, and the cell category contains a cell block type representing the angle block or not and a seamless angle change flag representing a seamless angle change or not; said computer-readable program for selectively reproducing video data in the angle cells from the disk-like recording medium comprising: checking an angle count wherein the angle count represents the number of the angles; when the checked number is two or more, turning-on an angle mark so as to indicate the existence of the angle cells; when the cell block type of the cell category represents the current angle block, flashing the angle mark or modifying the shape of the angle mark or changing the color of the angle mark; and when the cell block type of the cell category represents the current angle block and the seamless angle change flag of the category represents a seamless angle change, seamlessly changing the target of presentation from the currently presented angle cell to another angle cell with reference to the respective address data of the angle cells.

Claim 43

A reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, the at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, wherein the video manager of the disk-like recording medium has video manager information, the video manager information contains a title search pointer table, the title search pointer table contains a title search pointer, and the title search pointer contains an angle count, wherein the angle count represents the number of angles, and the reproduction apparatus comprises: an angle mark for notifying the presence of the angle cell, means for checking the angle count, and when the angle count represents a plurality of angles, generating a signal representing the angle mark, and means for mixing the signal of the angle mark with another video signal reproduced from the disk-like recording medium.

Claim 44

A reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, the at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, wherein the video manager of the disk-like recording medium has video manager information, the video manager information contains a title search pointer table, the title search pointer table contains a title search pointer, and the title search pointer contains an angle count, wherein the angle count represents the number of angles, and the reproduction apparatus comprises: an angle mark for notifying the presence of the angle cell, means for checking the angle count, and when the angle count represents a plurality of angles, generating a signal representing the angle mark, and means for mixing the signal of the angle mark with another video signal reproduced from the disk-like recording medium.

Claim 45

A reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, wherein the video title set of the disk-like recording medium contains at least one video object set, the video object set contains at least one video object, the video object contains at least one cell including the angle cell, said cell contains at least one video object unit, each of said at least one video object unit contains a navigation pack at a head thereof, the navigation pack contains presentation control information, and the presentation control information contains nonseamless angle information having address data of each angle cell, and the video manager of the disk-like recording medium has video manager information, the video manager information contains a title search pointer table, the title search pointer table contains a title search pointer, and the title search pointer contains an angle count, wherein the angle count represents the number of angles, said reproduction apparatus comprises: an angle mark notifying the presence of the angle block, and first means for checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark.

Claim 46

A reproduction apparatus for selectively reproducing video data in an angle cell from a disk-like recording medium having a lead-in area on a central side, an area for recording a video manager outside the lead-in area, and at least one area for recording a video title set outside the video manager recording area, said at least one video title set recording area having an angle block constituted by a plurality of angle cells, and the angle cells containing different video data obtained by photographing a photographic target at a variety of camera angles, wherein the video title set of the disk-like recording medium contains at least one video object set, the video object set contains at least one video object, the video object contains at least one cell including the angle cell, said cell contains at least one video object unit, each of said at least one video object unit contains a navigation pack at a head thereof, the navigation pack contains presentation control information, and the presentation control information contains nonseamless angle information having address data of each angle cell, and the video manager of the disk-like recording medium has video manager information, the video manager information contains a title search pointer table, the title search pointer table contains a title search pointer, and the title search pointer contains an angle count, wherein the angle count represents the number of angles, said reproduction apparatus comprises: an angle mark notifying the presence of the angle block, and first means for checking the angle count, and when the angle count represents a plurality of angles, turning on the angle mark.