Abstract: An information recording/reproducing apparatus (100) is provided with: a recording device (106) for recording content data and sub data onto an information recording medium (109); a first displaying device (107) for displaying a menu screen which displays a list of the content data; and a second displaying device (107) for displaying a list of the sub data on the menu screen together with the list of the content data.

Abstract: There are included a plurality of record information recording areas (OPC areas PCA0, user data areas 109-0 or spare areas SA) for recording record information; a management information recording area (management area MA) for recording a plurality of management information for managing the respective ones of the plurality of record information recording areas; and a reliability information recording area (management area MA) for recording a plurality of reliability information (reliability flag group 150) that indicate, for each of the plurality of management information (120, 130 or 140), reliability as to whether the plurality of management information are correctly updated.

Abstract: An information recording apparatus (200) is provided with: a recording device (353) for recording data onto an information recording medium (100) being provided with a first recording layer (L0) and a second recording layer (L1); a first controlling device (354) for controlling the recording device to record the data into each of the first recording layer and the second recording layer; a forming device (354) for forming a compatibility area (106, 109, 116, 119) for realizing reproduction compatibility of the information recording medium on an information recording apparatus, following the data recorded in each of the first recording layer and the second recording layer; and a second controlling device (354) for controlling the recording device to record the data into the formed compatibility area if the data is recorded after the compatibility area is formed.

Abstract: A write-once-type recording medium (10) is provided with: a data area (11) to record therein record data; and a plurality of management areas in which a plurality of types of management information for managing the record data and index information for indicating newest management information can be recorded a plurality of times, each of the plurality of management areas having a setup area for recording therein a management information block including a plurality of types of management information constructed from the newest management information and the index information indicating the plurality of types of management information constructed from the newest management information.

Abstract: An information recording apparatus is for recording user data and recording management data onto an information recording medium being provided with: a first recording layer; and a second recording layer, each of the first recording layer and the second recording layer having a user data area to record therein at least the user data and a recording management area to record therein at least the recording management data for managing recording of the user data, the information recording apparatus is provided with: a recording device for dividing the recording management area into a plurality of recording management segments and for recording the recording management data into at least one of the plurality of recording management segments; and a first controlling device for controlling the recording device to dispose each of the plurality of recording management segments in a single recording layer.

Abstract: A write-once-type recording medium (10) is provided with: a data area (11) to record therein record data; and a plurality of management areas in which a plurality of types of management information for managing the record data and index information for indicating newest management information can be recorded a plurality of times, each of the plurality of management areas having a setup area for recording therein a management information block including a plurality of types of management information constructed from the newest management information and the index information indicating the plurality of types of management information constructed from the newest management information.

Abstract: An information recording medium is provided with: an object data file for storing object data which constitutes a series of content information, such as picture information and audio information, and a play list information file for storing play list information which defines a reproduction sequence of the object data by a unit of a play list. The information recording medium is further provided with a disc information file for storing a plurality of title play lists including, (i) play list specification information for specifying the play list information which defines the play list to be reproduced, (ii) Pre command information, and (iii) Post command information, which indicate a command to be executed before and after the reproduction, respectively, based on the play list information.

Abstract: An information recording medium (100) includes a first recording area (no-wobbling section) where control information which is clock information (Wobble) or address information (LPP) for recording or reproducing record information is not pre-formatted and a second recording area (wobbling section) where the control information is pre-formatted. In the first recording area, a part or whole of management information (FS1a) for managing recording position or the reproduction position of the recording information is pre-recorded.

Abstract: An information recording medium (100) is provided with: a data recording area (105, 115) to which one attribute, which corresponds to recorded data, of a plurality of types of attributes is given in each of segmentized area units; and an address recording area (1031, 1032) to record therein an address (AD0-1, AD1-1) of an edge portion on an outermost side of a recording area, which is a continuous recording area to which a data area attribute of the plurality of types of attributes is given and which is a recording area closest to an edge portion on an innermost side of said data recording area, the data area attribute indicating a status that user data is recorded as the data.

Abstract: A hologram recording apparatus (300) records record information into a hologram recording medium (100) on which a hologram recording layer (11) and a position information recording layer (13). The hologram recording apparatus is provided with: a first recording device (101) for recording the record information into the hologram recording layer; and a second recording device (121) for setting an area portion of the position information recording layer in a recorded state, the area portion of the position information recording layer corresponding to an area portion of the hologram recording layer in which the record information is recorded.

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 apparatus includes: a recording device capable of recording information into a data area of an information recording medium, by irradiating laser light, in conformity with a predetermined error correction method; an optimum-recording-power detecting device for obtaining an optimum recording power of the laser light, by recording test writing data into a data area portion with a length which is equal to or less than an allowable defect length in the predetermined error correction method, within the data area, by using the recording device; and a controlling device for controlling the recording device to record the information into the data area with the obtained optimum recording power.

Abstract: On a write-once-type recording medium 10, there are provided: a definite defect management area 13 to definitely record therein defect management information; and a plurality of temporary defect management areas 14A, 14B, and 14C to temporarily record therein the defect management information. If the recording medium 10 is not yet finalized, every time the defect management information is updated, the updated defect management information is recorded into any one of the plurality of temporary defect management areas. Moreover, a status information recording area 15 is provided on the recording medium 10, and status information for indicating the temporary defect management area in which there is the defect management information recorded at last is recorded into the status information recording area 15. By referring to the status information, it is possible to quickly specify the defect management information recorded at last.

Abstract: An information recording medium is provided with: a recording area divided into a plurality of partial areas; and an information area for recording therein (i) management information for managing recording conditions of the plurality of partial areas at least for each of the plurality of partial areas and (ii) reliability information for indicating reliability of the management information for each of the plurality of partial areas.

Abstract: An entire stream containing a plurality of partial streams each consisting of content information is multiple-recorded on packet basis on an information recording medium. The information recording medium includes a file for storing object data consisting of a plurality of packets each containing a content information piece and further includes a file for storing information defining a reproduction sequence of object data and information indicating discontinuity of continuous numbers caused by absence of a packet during edition of continuous numbers of a plurality of packets corresponding to the recording order during multiple recording.

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, 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 and a file for storing information for indicating a discontinuous condition of a serial number of the plurality of packets corresponding to a recording order upon multiplexing-and-recording. The discontinuous condition is generated by a lack of the packet upon editing, with respect to the serial number.

Abstract: A hologram recording apparatus (300) is provided with: a recording device (100) for recording record information into a hologram recording medium (1); a measuring device (325) for measuring a time elapsed from when the recording of the record information is stopped to when the recording of the record information is restarted; a first controlling device (354) for controlling the recording device to multiplex-record the record information, if the measured elapsed time is shorter than a time length in which the record information can be multiplex-recorded; and a second controlling device (354) for controlling the recording device not to multiplex-record the record information, if the measured elapsed time is longer than the time length in which the record information can be multiplex-recorded.

Abstract: An information recording medium is provided with: an object data file for storing object data which constitutes a series of content information, such as picture information and audio information, and a play list information file for storing play list information which defines a reproduction sequence of the object data by a unit of a play list. The information recording medium is further provided with a disc information file for storing a plurality of title play lists including, (i) play list specification information for specifying the play list information which defines the play list to be reproduced, (ii) Pre command information, and (iii) Post command information, which indicate a command to be executed before and after the reproduction, respectively, based on the play list information.

Abstract: At least a first recording layer (L0 layer) and a second recording layer (l,1 layer) are provided. In the first recording layer, a first recording track path (a groove: a guiding groove) is formed for recording recording information. The second recording layer is arranged on the first recording layer and has a second recording track path (a groove: a guiding groove) formed in an opposite direction to the first recording track path for recording recording information. On an edge part on one side of the second recording layer, a first buffer area (103-1) is previously formed as a pre-recording area by an embossed pit (in the case of DVD-RW) or by a pit formed by recording laser irradiation (in the case of DVD-R).