Abstract: There is provided an information recording medium that reduces operation of shifting information backward or putting information forward closer together upon recording/deleting/dividing information to facilitate processes of recording/deleting/dividing information. An information recording medium records Programs 1 composed of image data, etc., UPGR 3 that refers to at least a part of the Programs 1, PGRG 5 that refers to the UPGR 3, a PGRM that collectively records the UPGR 3 and reference information thereof, and a PGRGM that collectively records the PGRG 5 and reference information thereof. When recording the UPGR 3, the information recording medium refers to the reference information contained in the PGRM, and when invalid reference information or reference information giving no reference to any UPGR 3 is present, records the UPGR 3 using the reference information.

Abstract: To provide an information record controlling apparatus which can move and record recorded information more efficiently, and more efficiently administrate move and record. In the information recording and reproducing apparatus 1, CPU 2 administrates and controls recorded information, which is constituted by a plurality of information units. Further, the CPU 2 controls move and record of the recorded information, which are carried out with respect to each of the information units, on the basis of reproduction able and disable information with respect to each of the information units.

Abstract: A controller of a recording device issues a secure command to a storage device, and then waits the time estimated necessary for the storage device to execute the secure command before issuing the next secure command. When a controller of the storage device is executing the previous command, it notifies the recording device of being in process. When the previous command has been completed normally, the controller moves to the next process. Information for estimating the execution time of the command is obtained from the storage device in advance.

Abstract: An information recording apparatus is provided whereby in the reproduction of broadcasting information, the broadcasting information can be recorded so that the combination and so on of contents included in the broadcasting information can be recognized without the need for reproducing the broadcasting information itself. An information recording apparatus for recording broadcasting information constituted of a packet which has a predetermined amount of information and includes different types of contents, each type including one or more contents, the apparatus including a controller 8.

Abstract: An information record apparatus includes: a down-convert device for down-converting a first content information having a first reproduction quality (HD) into a second content information having a second reproduction quality (SD) which is lower quality than the first reproduction quality; a scramble device for generating scramble information by scrambling the first content information, on the basis of a predetermined scramble key; and a first record device for recording the second content information and the scramble information into a first record medium.

Abstract: A technology is provided to improve tamper resistance in encrypting data to be secured and inputting/outputting the data between a recording device and a host device. When the recording device issues an input/output command to a storage device to input/output data to be secured, the recording device attaches an ID to the command to identify to which cryptographic input/output processing the command belongs. Upon reception of a sequence command, the storage device receives the command if its ID has been allocated and the command is verified to have been issued in the correct sequence. The sequence ID is used to identify a process system while appropriately managing the steps of executing commands.

Abstract: A controller in a hard disk serving as a data storage device stores a license including a content key for decrypting encrypted content data E and others in a secure data storage portion. The license is managed in the secure data storage portion in accordance with a LBA, and the LBA for storing the license, which is being processed for transmission, is stored as a log in a log memory of the secure data storage portion. When a failure occurs during the transmission processing, the license, which was being processed for transmission, is specified based on the LBA stored in the log memory.

Abstract: A data storage device includes a secure data storage portion including a log memory. The log memory is formed of a plurality of banks, and stores history information in the plurality of banks in a ring-like fashion. The plurality of banks are designated by addresses (0?(N?1)), respectively. Each of the items of the history information respectively stored in the banks includes a management number region, a license ID (LID) region, a Ks2x region, an ST1 region, an ST2 region, a KPcmy region and a LBA region.

Abstract: A first data-recording device (400) includes a network interface, a recording unit, and a group recording reservation notifying unit. The network interface acquires a group recording reservation instruction containing a recording reservation data and requesting that a recording reservation be set. The recording unit sets the recording reservation in accordance with the recording reservation data contained in the group recording reservation instruction that the network interface has acquired. The group recording reservation notifying unit distributes data same as the recording reservation data, to a second data-recording device (401) or a third data-recording device (402) through a network (200).

Abstract: A navigation system has a navigation apparatus mounted on a vehicle, and a computer apparatus which is connected with the navigation apparatus to enable to communicates with the navigation apparatus. When the navigation apparatus receives route search information including recommended-route information from the computer apparatus, the navigation apparatus transmits a notice of completion of reception to the computer apparatus, generates traveling route information of the vehicle which moves on the basis of the route search information, and transmits guidance result information to the computer apparatus.

Abstract: A recording/reproducing device includes: attribute information storage for storing attribute information on content information to be recorded; operation history storage for storing operation history information indicating a history of a decision operation of the recording mode by a user; a recommendation element for specifying a preferable recording mode according to the attribute information and the operation history information on the preceding content information before recording the content information and recommending the recording mode to a user; first recording element for recording the content information on a first recording medium at the decided recording mode; second recording element for recording from the first recording medium to a second recording medium at the recording mode at which the content information has been decided; and reproducing element for reproducing the content information.

Abstract: A rate converter includes: picture configuration judgment elements for identifying a picture configuration containing at least a picture type for a plurality of pictures classified into one of the preset picture types contained in a unit data group of inputted video data; and rate conversion elements for selectively rate-converting the bit rate of the picture with a predetermined rate conversion ratio. Furthermore, the rate converter includes picture selection elements for selecting a picture to be rate-converted by the rate conversion elements among a plurality of pictures according to at least the picture type in the picture configuration identified by the picture configuration judgment elements.

Abstract: An information recording apparatus is provided which can record broadcasting information so as to accurately identify and reproduce broadcasting information to be reduced while increasing convenience in reproducing the broadcasting information. Time control is performed during reproduction in allocation units ALU based on the receiving time of the first packet and the receiving time of the last packet in the allocation unit ALU included in the broadcasting information. The allocation unit ALU includes a plurality of packets. Time control is performed also in access units, each of which includes an I picture, based on the display time information or the receiving time information of the I picture included in the packet.

Abstract: An information editing apparatus is provided which can prevent a thumbnail image, which shows the contents of recorded information recorded on an information recording medium, from being accidentally changed by a misoperation of the user. The information editing apparatus includes a deciding device 8 for deciding whether a thumbnail image can be changed or not based on change permission information, which indicates whether a change can be made on the thumbnail image showing the contents of recorded information recorded on a recording medium 1. When the deciding device 8 decides that a change is not permitted, a change of the thumbnail image is prohibited.

Abstract: There is provided an information recording medium that reduces operation of shifting information backward or putting information forward closer together upon recording/deleting/dividing information to facilitate processes of recording/deleting/dividing information. An information recording medium records Programs 1 composed of image data, etc., UPGR 3 that refers to at least a part of the Programs 1, PGRG 5 that refers to the UPGR 3, a PGRM that collectively records the UPGR 3 and reference information thereof, and a PGRGM that collectively records the PGRG 5 and reference information thereof. When recording the UPGR 3, the information recording medium refers to the reference information contained in the PGRM, and when invalid reference information or reference information giving no reference to any UPGR 3 is present, records the UPGR 3 using the reference information.

Abstract: An information device (300) includes: first judgment elements (304) for judging whether an information recording device specified by circumstances information (400a) recorded on a second recording medium (100) coincides with the information recording device which has performed MOVE process; and control elements (307) for controlling display elements (305, etc.) so as to display that the first content information (HD content) can be reproduced if the coincidence is confirmed by the first judgment elements, controlling the content information generation elements (308, etc.) so as to generate first content information according to the circumstances information, and controlling the reproducing elements (310, etc.) so as to reproduce the generated first content information.

Abstract: A recorder or the like that ensures a free space in a hard disc while recording a broadcast program in an optimum storage form according to a user's preference is provided. The recorder or the like includes a broadcast receiver 6 to receive information on the broadcast program, a program managing unit 8 to determine a user's preference degree for the broadcast program, a reencoding unit 9 to reencode the information on the broadcast program according to the user's preference degree, and a disc drive 10 to record the reencoded information about the broadcast program on an optical disc 10a.

Abstract: An image display apparatus includes a reproduction unit, a display screen, and a display control unit. The reproduction unit reproduces at least a part of image data of an image content in a shorter time than a playback time of the image content. The display control unit controls the display screen to display reproduction state information indicative of a reproduction state of the image data reproduced by the reproduction unit in an associated manner with identification information to identify the image content.

Abstract: A recording medium (240) has a protected region (241) where access limitation is set in advance and a non-protected region (242) where access is not limited. At least a part of a encryption key (20) and a part of an IV (21) that are required to encrypt contents data are written in the protected region (241).

Abstract: An apparatus for recording and reproducing information which can expand a ring buffer area in a recording medium. In an apparatus for recording and reproducing information in which a ring buffer area where an information signal is circulatively recorded and reproduced and a memory area where the information signal is permanently stored are formed on a recording medium, wherein a recorded position of the information signal is set as an extension area of the ring buffer area in response to an erasing command for erasing the information signal recorded in the memory area.