Abstract: On an information recording medium, an entire stream including a plurality of portion streams, each of which is provided with content information including still picture information, is multiplexed-and-recorded by a unit of packet. The information recording medium is provided with a file for storing object data, which is provided with a plurality of packets, each of which stores therein a piece of the content information. The information recording medium is further provided with a file for storing information which defines a reproduction sequence of the object data. The object data includes packets, each packet storing therein a piece of respective one of still picture information sets, the still picture information set including still picture information and control information thereof. A display control to the still picture information included in one still picture information set is described by the control information included in another still picture information set.

Abstract: On an information recording medium, an entire stream including a plurality of portion streams, each of which is provided with content information including still picture information, is multiplexed-and-recorded by a unit of packet. The information recording medium is provided with a file for storing object data, which is provided with a plurality of packets, each of which stores therein a piece of the content information. The information recording medium is further provided with a file for storing information which defines a reproduction sequence of the object data. The object data includes packets, each packet storing therein a piece of respective one of still picture information sets, the still picture information set including still picture information and control information thereof. A display control to the still picture information included in one still picture information set is described by the control information included in another still picture information set.

Abstract: Provided is an information recording apparatus which, in a state where the content of moving picture image information, etc. can be prevented from being inadvertently recognized by the user due to inadvertent presentation to the user of a relevant representative picture image, enables recording the respective information into a recording medium. A reproduction list PL that is to be reproduced is not only recorded into an optical disc 1 but is there also recorded in it a reproduction list display prohibition flag PHF indicating at least whether limiting the display of a representative picture image that represents the content of the reproduction list PL.

Abstract: Provided is an information recording apparatus which, in a state where the content of moving picture image information, etc. can be prevented from being inadvertently recognized by the user due to inadvertent presentation to the user of a relevant representative picture image, enables recording the respective information into a recording medium. A reproduction list PL that is to be reproduced is not only recorded into an optical disc 1 but is there also recorded in it a reproduction list display prohibition flag PHF indicating at least whether limiting the display of a representative picture image that represents the content of the reproduction list PL.

Abstract: A recording medium (100) is provided with a first recording layer (L0) and a second recording layer (L1) for recording information. The first recording layer and the second recording layer are provided with control areas (102, 118), respectively, for recording control information for controlling at least recording or reproduction of the recording information. An area portion of the second recording layer which corresponds to an end portion on an inner circumference side of the control area in the first recording layer, and an end portion on an outer circumference side of the control area in the second recording layer are separated by a prescribed value or more.

Abstract: A position verifying apparatus is provided with: a first recording device for recording the information into a first area of the first recording layer; a second recording device for recording a part of the information by laser light which has penetrated the first area and for recording another part of the information by laser light which does not penetrate the first area, into a second area of the second recording layer including at least a partial area which faces the first area; a reproducing device for reproducing the information; and a judging device for judging whether or not the relative shift is within tolerance, on the basis of a transit position at which reproduction quality transits from the reproduction quality indicated by the part of the information reproduced to the reproduction quality indicated by the another part of the information reproduced.

Abstract: An information recording apparatus (300) is for recording record information onto an information recording medium (100) provided with: a first area (112) to record therein the record information; and a second area (111) in which the record information is prerecorded as embossed pits, the information recording apparatus is provided with: a recording device (353) for recording the record information into the first area; a detecting device (354) for detecting that the record information is mistakenly recorded in the second area; and an erasing device (352) for erasing the mistakenly recorded record information.

Abstract: A recording apparatus with a device for recording information onto a medium, provided with: (i) a first layer irradiated with laser light to record information on a first area; and (ii) a second layer irradiated with laser light through the first layer and having a second area whose edge on an inner circumferential side corresponds to an edge on an outer circumferential side of the first area; and a controlling device for controlling the recording device to pre-record, into an area portion of the first area, other than an area portion having a size corresponding to a tolerance length, which indicates an acceptable range of a relative position shift between an address defined on the predetermined position in the first layer and an address related to the predetermined position in the second layer, with the edge on the outer circumferential side of the first area as a starting point.

Abstract: In an information recording medium including at least a first recording layer (L0 layer) capable of recording information and a second recording layer (L1 layer) capable of recording information, an information recording device (300) records information in a predetermined area (12) of the second recording layer by a laser beam which has passed through a transmission area (11) of the first recording layer. The information recording medium (300) includes recording means (302, etc.) for recording the information in the first recording layer or the second recording layer, judgment means for judging whether an unrecorded amount indicating the size of the unrecorded area in the radial direction in the transmission area is smaller than a predetermined amount, and control means used when the unrecorded area is judged to be smaller than the predetermined amount, for controlling the recording means to record information in the predetermined area.

Abstract: A recording medium (100) is provided with: a first recording layer (L0) including a first area; and a second recording layer (L1) including a second area, wherein an edge on one side of the second area is located at a position obtained by shifting to an other side at least by a tolerance length from an area portion in the second recording layer corresponding to an edge on the one side of the first area, or an edge on the other side of the second area is located at a position obtained by shifting to the one side at least by the tolerance length from the area portion in said second recording layer corresponding to the edge on the one side of the first area, in which the tolerance length indicates an acceptable range of a relative position shift between an address which is defined on the predetermined position in the first recording layer and an address which is related to the predetermined position in the second recording layer.

Abstract: On an information recording medium, an entire stream including a plurality of portion streams, each of which is provided with content information including still picture information, is multiplexed-and-recorded by a unit of packet. The information recording medium is provided with a file for storing object data, which is provided with a plurality of packets, each of which stores therein a piece of the content information. The information recording medium is further provided with a file for storing information which defines a reproduction sequence of the object data. The object data includes packets, each packet storing therein a piece of respective one of still picture information sets, the still picture information set including still picture information and control information thereof. A display control to the still picture information included in one still picture information set is described by the control information included in another still picture information set.

Abstract: An information reproduction device (300) reproduces an information recording medium (100) for recording content information, menu information multiplex-displayed during reproduction of content information, and display period information defining a display period of menu information. The information reproduction device includes menu display means (354) for multiplex-displaying the menu information according to the display period information and detection means for detecting whether menu information is multiplex-displayed. When the menu information is multiplex-displayed, the menu display means multiplex-displays the menu information even after the display period defined by the display period information has elapsed.

Abstract: A hybrid recording medium includes a read-only area in which a file is previously recorded, and a write area capable of updating and recording the file, characterized in that volume configuration information 21 and VTOC 22 about a file system are recorded in the write area is used in an information record apparatus.

Abstract: An information recording medium (100) on which there are recorded: a series of content information which includes an image portion which can be a background image; button information (301) for defining a button menu which allows an operation as for the content information and which is displayed during the reproduction of the content information; and play list information (120) for defining reproduction sequence of the content information by a unit of item, which constitutes the content information and which is accessible upon reproduction, the button information including a plurality of button pages (301p) each of which can constitute the button menu and whose display can be changed to each other.

Abstract: On an information record medium, there are recorded: a plurality of content informations; and a plurality of play list sets each including a plurality of play list informations defining reproduction sequence thereof. The plurality of content informations, whose reproduction sequences are defined by the plurality of play list informations in a same play list set, are different from each other in reproduction functions required for an information reproduction system to reproduce the plurality of content informations and are adapted to at least partially construct titles, each of which is a logically united information unit and which are same to each other. Required function information indicating the reproduction function required for the information reproduction system is further recorded for each of the plurality of play list informations.

Abstract: An information recording medium includes a file for storing object data consisting of a plurality of packets and a file for storing, as its reproduction control information, (i) correspondence definition information for defining relationship between a plurality of packets and a plurality of partial streams multiplexed on the time axis and (ii) reproduction output group definition information for defining as the reproduction output group a set of partial streams which can be switched among the plurality of partial streams. The partial streams include a plurality of channel streams wherein audio information on plural channels is recorded in one stream. The reproduction output group definition information defines the reproduction output group in such a way that a plurality of channel streams can redundantly belong to it. The reproduction output group to which plural channel streams redundantly belong is added by channel specification information.

Abstract: An information recording medium on which a plurality of stream groups are multiplexed and recorded by a unit of packet, which is a physically accessible unit, each of the stream groups including one video stream, the information recording medium provided with: an object data file for storing object data which comprises a plurality of packets; and an object information file for storing correspondence definition information for controlling the reproduction of the object data. The object data is divided by a divisional unit in at least one portion of a reproduction section, which is provided with the plurality of packets and corresponds to one of the plurality of stream groups. The object information file stores unit address information indicating an address of each of divisional units, as the reproduction control information.

Abstract: An information recording medium has recorded thereon a plurality of sets of still image information to be continuously played back in the form called a slide show audio information to be played back in synchronization with the still image information. Also recorded on the information recording medium is playback control information for playing back the audio information in synchronization with the sets of still image information. When the still image information sets are sequentially played back, the audio information is played back in synchronization with the still image information according to the playback control information. The playback control information includes audio repeat information for controlling the repetition of the audio information. The repeated playback of the audio information is controlled according to the audio repeat information.

Abstract: An information record medium includes a file for storing object data composing of a plurality of packets and further includes an object information file for storing corresponding definition information to control reproduction of the object data. The object data is interleaved in an angle block and the object information file further stores unit address information to indicate an address of each interleaved unit.

Abstract: An information recording medium (100) includes: content information; and button information (301) for defining a button menu which allows an operation as for the content information, for each reproduction capability which is necessary to reproduce the content information.