Abstract: An imaging device includes a storage unit that sequentially stores a plurality of frame images based on an imaging signal from an imaging sensor that images light from a subject, a moving image data generation unit that generates slow motion moving image data that is to be played at a second frame rate lower than a first frame rate that represents the number of frame images stored per unit time in the storage unit, based on the plurality of frame images stored in the storage unit during a predetermined time period, a still image data generation unit that generates at least one piece of still image data based on at least one frame image of the plurality of frame images stored in the storage unit during the predetermined time period, and a record control unit that associates the slow motion moving image data generated by the moving image data generation unit and the still image data generated by the still image data generation unit and records the slow motion moving image data and the still image data in a reco

Abstract: A recording apparatus of this invention detects the state of management information, which pertains to a recording address of an image signal, and which is reproduced from a disk-like recording medium having a first area for the image signal and a second area for the management information. On the basis of the detection result, management data is reproduced from the first area of the disk-like recording medium. On the basis of the management data reproduced from the first area, the management information reproduced from the second area is modified. A modify unit records the modified management information in the second area.

Abstract: Presented herein are systems, methods, and apparatus for displaying pictures. In one embodiment, there is presented a decoder system for decoding video data. The decoder system comprises a port and a transport processor. The port receives packets carrying encoded video data from a plurality of video streams. The transport processor adds a header to encoded video data from at least one of the packets. The header identifies a particular one of the plurality of video streams, wherein the at least one packet is from the particular one of the plurality of video stream.

Abstract: A recording method of recording received digital broadcasting on a medium, wherein a stream other than first and last portions is recorded with a predetermined number of recording packets, and the number of recording packets of the first and last portions of an AV stream file is recorded as management data. This method, which records an AV stream basically with a specified number of recording packets in order to improve the performance of access to a medium, thereby makes it possible to improve the splitting accuracy when the user splits a program, overcoming a restriction caused by the specified number of recording packets.

Abstract: A playback apparatus not only plays back an AV stream recorded on a BD-ROM but also downloads an update kit from a WWW server (500) and writes it on a local HD (12). The AV stream stored in the local HD (12) includes an audio stream for an additional language. A control unit (16) reads the AV stream recorded on the BD-ROM and the AV stream recorded in the local HD (12) in units of access units. An audio decoder (6) obtains a necessary audio frame from the access units read from the BD-ROM and the local HD (12) and plays it back. A video decoder (4) obtains video data from the access unit read from the BD-ROM and plays it back.

Abstract: A playback apparatus not only plays back an AV stream recorded on a BD-ROM but also downloads an update kit from a WWW server (500) and writes it on a local HD (12). The AV stream stored in the local HD (12) includes an audio stream for an additional language. A control unit (16) reads the AV stream recorded on the BD-ROM and the AV stream recorded in the local. HD (12) in units of access units. An audio decoder (6) obtains a necessary audio frame from the access units read from the BD-ROM and the local HD (12) and plays it back. A video decoder (4) obtains video data from the access unit read from the BD-ROM and plays it back.

Abstract: An information storage medium on which multi-angle data is recorded includes at least two clips in each of which video object data for an angle of the multi-angle data is recorded. The at least two clips are recorded in contiguous areas of the information storage medium.

Abstract: A video and sound signal recorded on an optical disk is reproduced and when a read error of the video and sound signal occurs during the reproduction of the optical disk, reading of the video and sound signal is retried and when a read error of the video and sound signal occurs during the retry of the reading of the video and sound signal, a rotational speed of the optical disk is increased to retry reading of the video and sound signal and when the video and sound signal can be read by the retry of the reading of the video and sound signal, the rotational speed of the optical disk is returned to the original rotational speed and the video and sound signal recorded on the optical disk is reproduced.

Abstract: An apparatus which easily discriminates 3D (stereoscopic vision) contents from non-3D contents among recorded program contents can be provided. Further, a unit to prohibit unintentional generation of a virtual play list where 3D contents and non-3D contents are mixed can be provided. For these purposes, a 3D flag is recorded in a play list file. Further, upon virtual play list generation, the recorded 3D flag set values are obtained and it is checked whether or not 3D contents and non-3D contents are mixed.

Abstract: On a recording medium, there are recorded content files and an index file. The index file is constituted by attribute information of the content files (title text data, thumbnail-image data or the like). In the case of changing (recording or deleting) the content file, the index file is updated after the change. A computer sets up, in a nonvolatile memory, status information indicative of being in a predetermined process stage, during the predetermined process stage from a start of changing the content file to a termination of updating the index file. The computer, at turning on power, determines the matching/mismatching between the content and index files recorded on the recording medium utilizing the status information, thus repairing the index file as required.

Abstract: An audio-video processing method is adapted to an audio-video device and a storage device for processing an index-based audio-video file. The method for processing audio-video data includes a write procedure, a play procedure, and/or a repair procedure. In the write procedure, audio-video data is captured by the audio-video device first, and the audio-video data includes a plurality of continuous samples; a header is written according to the audio-video data; a predetermined number of samples are captured as a data chunk; a prefix index corresponding to the data chunk and the data chunk are written in sequence repeatedly according to the audio-video data; and a file index is written finally. In the play procedure, after the header is read, corresponding prefix index and data chunk are repeatedly read and played. Moreover, in the repair procedure, incompletely written file index and data chunk are repaired through all the prefix indexes.

Abstract: A plurality of video streams and STN_table are recorded in the local storage 200. Each of the plurality of video streams is a secondary video stream to be played together with a primary video stream, and includes picture data representing a child image to be displayed in Picture in Picture that is composed of a parent image and the child image. In the STN_table, entries of secondary video streams that are permitted to be played are described in the order of priority.

Abstract: Recorded on the recording medium (BD-ROM) is an AV stream that is obtained by multiplexing a video stream and one or more audio streams. MOVIE objects are scenarios showing playback procedures of video data described using playback device-oriented commands. In addition to the MOVIE objects, enhanced-mode scenarios (Java and WebPage objects) are also recorded on the recording medium. These enhanced-mode scenarios, each of which is described in the Java language or a markup language, show control procedures with respect to playback devices. The Java and WebPage objects are capable of taking over register setting values set by MOVIE objects, and extracting parts of video data played by MOVIE objects.

Abstract: A video image reproducing apparatus reads out sub-content information related to sub-content to be reproduced, from a recording medium, obtains attribute information indicative of the features of the sub-content, on the basis of the sub-content information, and controls each reproduction procedure of the main content and the sub-content on the basis of the attribute information, so that the main content and the sub-content are reproduced in coordination with the features of the sub-content.

Abstract: A frame type determination unit (15B) counts, as the frame data amount of each frame, the number of TS packets included in the frame based on a frame start position included in an input TS packet of video communication, and determines a frame type based on the large/small relationships between the frame data amounts of the frames. A video quality estimation unit (15C) estimates the video quality of the video communication based on the frame type of each frame obtained by the frame type determination unit (15B), the frame structure (14A) of an elementary stream read out from a storage unit (14), and a TS packet loss state detected from the TS packets of the video communication.

Abstract: In a DVD video playback system adapted to transmit data in the form of a PS (program stream) from a source device to each sink device, a navigation manager of the source device stores system parameters, which are necessary for each sink device to decode the PS, in an unused area of a NV_PACK received from a PS demultiplexer and transmits it to a PS multiplexer. The navigation manager of the source device also produces an ORG_PACK in which navigation data necessary for each sink device to decode the PS, and transmits it to the PS multiplexer. The PS multiplexer produces a PS by multiplexing ORG_PACK and NV_PACK received from the navigation manager, V_PACK received from a video transcoder, and A_PACK and SP_PACK received from the PS demultiplexer, and the PS multiplexer transmits the resultant PS to each sink device via an in-vehicle LAN interface.

Abstract: A system records an AV stream composed of a plurality of record units (RUs) containing independently reproducible video units (VUs) of at least video or audio and program information (Movie atom) managing the AV stream, onto a recording medium. The program information contains a piece of information (Edit list atom) that manages a point of junction between the record units or between AV streams. In decoding the AV stream, decoding is halted or decoders are switched at the point of junction, based on the management information on the points of junction, for example.

Abstract: A recording apparatus for an optical disc is provided which stores a VOB, the recording apparatus performing: receiving, from an operator, an operation to specify a preceding reproduction section and a subsequent reproduction section from the VOB through an interactive screen; duplicating an end vicinity including an end point of the beginning vicinity, and a beginning vicinity including a starting point of the subsequent reproduction section; connecting the duplicated parts to yield a connected part; and writing the connected part to the optical disc in correspondence with Temp_Cell information, the reproduction sections being specified by Cell information which includes Temp_Cell_FLAG, the Temp_Cell_FLAG, 1) if set to be off, indicating a sequential reproduction of the preceding and subsequent reproduction sections, and 2) if set to be on, indicating a reproduction of the connected part between the reproduction of the preceding and subsequent reproduction sections.

Abstract: A recording apparatus for an optical disc is provided which stores a VOB, the recording apparatus performing: receiving, from an operator, an operation to specify a preceding reproduction section and a subsequent reproduction section from the VOB through an interactive screen; duplicating an end vicinity including an end point of the beginning vicinity, and a beginning vicinity including a starting point of the subsequent reproduction section; connecting the duplicated parts to yield a connected part; and writing the connected part to the optical disc in correspondence with Temp_Cell information, the reproduction sections being specified by Cell information which includes Temp_Cell_FLAG, the Temp_Cell_FLAG, 1) if set to be off, indicating a sequential reproduction of the preceding and subsequent reproduction sections, and 2) if set to be on, indicating a reproduction of the connected part between the reproduction of the preceding and subsequent reproduction sections.

Abstract: A system for handling video tags. The tags are displayed synchronized to a video. A controller manages and modifies tag data that can be created by one or more users. The controller identifies a tag dataset for use with a video and provides information for synchronization and display of the tags. In a particular embodiment, features of a social-network website implementation are disclosed whereby a user community can post, filter, rate and display tags.

Abstract: A storage medium on which moving-image data including mode information is recorded, wherein the storage medium stores at least one object of a first type for reproducing moving-image information, at least one object of a second type for providing additional functions using the moving-image information and system data for controlling the reproduction of the objects of the first and second types. The system data includes mode information indicating the types of the objects.

Abstract: In a system in which DVD contents authored in the past is to be downloaded and saved into a recording disk, such DVD contents are authored in such manner that they can be recorded into the recording disk without being re-authored, and copyright protection of the downloaded DVD contents can be strengthened. In this system, a disk image file is produced including data to be handled as main data among sectors, and header information of each of the sectors. The data of the DVD contents is divided into packets of a transport stream, and identification codes for the content and for a distribution destination of the content are added to each of the packets, thus enabling identification on a basis of the individual sectors. In a recording apparatus, the DVD contents can be recorded into a large-capacity optical disk or a hard disk based on these identification codes.

Abstract: Provided are a method and apparatus for reproducing a digital broadcast having different compression formats and a method of recording the digital broadcast so that the digital broadcast may be consistently stored and reproduced regardless of a compression format of the digital broadcast. The method of reproducing a digital broadcast includes receiving a transport stream of the digital broadcast which is provided in a compression format; extracting an original stream of a desired program by demultiplexing the transport stream and extracting metadata from the original stream for reproducing or performing trick-play functions on the original stream; separately storing the original stream and the metadata; and decoding the original stream in accordance with the compression format and displaying the original stream. The method and apparatus allows a user to consistently perform functions on the digital broadcast regardless of a compression format of the digital broadcast.

Abstract: A method for an apparatus including an acquisition unit for acquiring moving image data, and a recording unit for recording the acquired moving image data in a loaded recording medium, includes determining whether the recording medium is a recordable and non-erasable recording medium, and if the recording medium is a recordable and non-erasable recording medium, controlling the recording unit so as to automatically stop recording of the moving image data according to the fact that a predetermined time has elapsed from the recording start of the moving image data, and if the recording medium is not a recordable and non-erasable recording medium, controlling the recording unit so as not to automatically stop recording of the moving image data, even if the predetermined time has elapsed from the recording start of the moving image data.

Abstract: In a method of controlling multiple decoders in an optical disc player system to read encoded bitstream data divided into multiple sectors from a buffer memory, one of the sectors stored in the buffer memory is read according to a reading pointer associated with one of the decoders that sent out a bitstream request. When a header portion of the sector that is being read from the buffer memory indicates a bitstream type corresponding to that of the bitstream request, a data portion of the sector is transferred to the decoder that sent out the bitstream request, and the reading pointer is adjusted to point to a next one of the sectors stored in the buffer memory. An optical disc player system for implementing the method and an optical disc player system capable of saving the memory bandwidth between a bitstream demultiplexer and a memory are also disclosed.

Abstract: To facilitate implementing a user operation control in a picture reproducing apparatus for reproducing contents recorded on a disk or the like. A picture reproducing apparatus selects and reproduces a plurality of prerecorded picture streams in the disk. A reproduction control unit is configured to reproduce the picture streams in either of two reproduction modes, i.e., a normal mode for accepting particular key inputs pertaining to picture reproduction and a menu mode for not accepting the particular key inputs. The mode in which the picture streams are reproduced may be written by contents creators in a script file which is recorded on the disk.

Abstract: Methods, systems and architectures for enhancing a user's DVD experience are described. In one embodiment, the physical structure (e.g. titles and chapters) of a DVD is ascertained and a playlist structure shell that represents the DVD's physical structure is built. Metadata associated with the DVD is acquired and used to populate the playlist structure shell. In some embodiments, the metadata can be acquired from a metadata source external to the DVD and/or remote from a computing device on which the DVD is being played. Remote locations can include, without limitation, those that are network- or Internet-accessible. Once the playlist structure shell is populated, it can be used to render a playlist associated with the DVD's video in an area of a user interface display.

Abstract: A method of transmitting encrypted data, recording medium including the encrypted data, apparatus for reproducing the same using a local storage and method thereof are disclosed. The present invention includes downloading a data associated with the recording medium to the local storage, constructing a virtual package by binding the downloaded data to a disc package within the recording medium, decrypting an indexing item of an index table within the virtual package using a key within a key file associated with the recording medium, and reproducing the decrypted indexing item, wherein information for solving a mismatch that occurs between the indexing item of the index table and an indexing item of the key file is included in the virtual package. By the present invention, the data associated with the recording medium is downloaded from outside to the local storage while contents provided by a content provider are protected.

Abstract: Playback and distribution systems and methods for multimedia files are provided. The multimedia files are encoded with indexes associated with the content data of the multimedia files. Through the use of the indexes, playback of the content is enhanced without significantly increasing the file size of the multimedia file.

Abstract: Frame buffer video compression on an input video stream to efficiently allocate and utilize memory used for storing reference frames in a video decoder includes parsing a video header to obtain a maximum number of reference frames (N), dividing an available frame buffer memory to hold [N+1] compressed frames, controlling a compression process to limit a size of each frame such that said size is not less than a frame buffer memory size divided by [N+1], parsing messages that contain reference frames by looking ahead in an input video stream buffer of the input video stream, and allocating memory for compressing a given reference frame based on a number of needed frames at a frame buffer. A quantization of the compression process may be adjusted to improve a picture quality of the input video stream.

Abstract: An information recording medium achieves high speed conversion of a signal input externally from MPEG-TS to MPEG-PS complying with the DVD standard. An apparatus and a method are used to record information to the information recording medium. A constrained format which enables conversion from a first stream (for example, MPEG transport stream) to a second stream (for example, MPEG program stream) is provided. The constrained format defines that a presentation order of the video information of continuous complete data blocks starts at a top field and ends at a bottom field. The continuous complete data blocks are included in a reference time of continuous presentation of video information and audio information with the reference time including at least one data block.

Abstract: An operating system extension is used to implement embedded information on a DVD. The operating system extension examines DVD sector addresses requested from the DVD hardware. When address associated with an embedded link is requested, an application program that can run the embedded link is started, and the embedded link is provided to the application program. The system of the present invention has the advantage that it does not require modifying the DVD software program and thus can be used with a variety of different DVD software programs.

Abstract: Provided is a recording apparatus generating meta-information including an initial address of TS packets constituting a PES packet that includes an independently-decodable picture, and including size information pertaining to the picture, and recording the generated meta-information in a recording medium. The recording apparatus includes a detection unit detecting, from the TS packets constituting a transport stream, a TS packet at a head of a PES packet, and includes a judging unit judging whether the PES packet includes an independently-decodable picture. Further, the recording apparatus includes generation unit generating meta-information including, as the size information, a size from a head of a PES packet that is judged as including an independently-decodable picture to a head of a succeeding PES packet.

Abstract: An authoring device includes: a separator for separating a video stream and an audio stream from the input stream; a multiplexer for multiplexing the video stream and the audio stream to generate content information and further generating control information for managing stream reproduction, generating, from content information and control information, incomplete disc image data which is a series of data basically based on a predetermined format and in which a part of reproduction control information defined by a predetermined format is missing, and further generating analysis information required for generating the missing part of the reproduction control information; and a disc image completing section for completing the incomplete disc image data by referencing the analysis information after generation of the incomplete disc image data.

Abstract: Division editing of a movie stream file picked up for a recording application is executed while conforming to a predetermined standard format. When a stream file is divided at an arbitrary division point, a preceding chapter is created by giving padding in an end region of a GOP including the division point in accordance with a length alignment restriction. Furthermore, a first extent of a succeeding chapter is created by copying the GOP including the division point and a GOP immediately succeeding it, a region formed of GOPs after the copied portion is used as a second extent of the succeeding chapter, and padding is given to an end region of the second extent in accordance with the length alignment restriction.

Abstract: According to one embodiment, this invention allows to acquire attribute information of a stream object and to generate it as management information upon recording a digital stream when an MPEG-TS that uses H.264 as a moving picture encoding format is to be recorded. Information is acquired from a component descriptor, a PES packet header, or a sequence parameter set in a program map table included in the digital stream signal, and video attribute information of the object and/or attribute information of the data unit is determined. The object is recorded for each data unit, and management information that manages the recorded is recorded.

Abstract: Multiple video streams, or other image information, from a DVD or other single source are selectively directed among two or more display screens. The video streams can be directed automatically, manually or by a combination of automatic and manual techniques. This allows the streams to be viewed simultaneously on different display screens to, e.g., increase the viewing area, provide selectable enhancement and control of video viewing, or for other purposes.

Abstract: A recording apparatus includes a screen information generation unit and a recording control unit. When again generating screen information of a recording medium recorded with plural image data, the screen information on which a screen for selecting the plural image data is based, and a recording state of the image data when the screen information was generated, the screen information generation unit selects a range of the screen information necessary to be rewritten in accordance with a recording state of image data in the recording medium when previous screen information was generated and a recording state of image data in the recording medium at a present time, and updates only the selected range of the screen information. The recording control unit records screen information generated by the screen information generation unit in the recording medium.

Abstract: The erasion level appending range of a file is instructed. According to this instruction, the erasion level is set. When this setting range does not agree with the cell unit of the current cell, the current cell is divided to set a sequence of divided cells. Playback management information of each of the divided cells and current cell is re-created, and erasion level information is appended to playback management information of the divided cell that belongs to the appending range.

Abstract: An AV Clip generated by multiplexing a video stream and a graphics stream is recorded on a BD-ROM. The graphics stream includes a plurality of DSs (Display Sets) each of which is used for graphics display and includes a control segment and graphics data. When an active period of the control segment in the DS overlaps with an active period of a control segment in an immediately preceding DS on a reproduction time axis of the video stream the graphics data in the DS is assigned a different object_id from graphics data which is referenced by the control segment in the immediately preceding DS, so as to prevent graphics generated by decoding the graphics data in the DS from overwriting graphics generated by decoding the graphics data referenced by the control segment in the immediately preceding DS.

Abstract: A playback apparatus includes an obtaining unit obtaining playback management information including a main playback path of a main stream set, a first sub playback path of a first sub-stream set, and a second sub playback path of a second sub-stream set. The first and second sub playback paths are allowed for a predetermined category. A selection-receiver receives a selection of streams as a first combination or a second combination. A reading unit reads the corresponding stream sets according to whether the first or second combination is selected. A playback unit plays back the main stream set and the first or second sub-stream set. The number of files that are readable at one time is predetermined. The sub playback paths are determined so that the number of the files that are readable at one time does not exceed the predetermined number.

Abstract: On a BD-ROM, PlayList information is recorded. The PlayList information includes MainPath information and SubPath information. The MainPath information specifies one of a plurality of AVClips as a MainClip, and defines a primary playback section (PlayItem) on the MainClip. The SubPath information specifies, among the rest of the AVClips, one AVClip as a SubClip, and defines, on the SubClip, a secondary playback section (SubPlayItem) to be synchronized with the primary playback section. The SubPath information includes In_Time information and Out_Time information which indicate In_Time and Out_Time, respectively, of the SubPlayItem. In_Time and Out_Time of the SubPlayItem match In_Time and Out_Time of the PlayItem.

Abstract: A digital broadcasting system and a method of processing data are disclosed, which are robust to error when mobile service data are transmitted. To this end, additional encoding is performed for the mobile service data, whereby it is possible to strongly cope with fast channel change while giving robustness to the mobile service data.

Abstract: Systems and methods for converting interactive multimedia content authored for distribution via a physical medium for electronic distribution are disclosed. One embodiment of the invention includes building an object model of interactive multimedia content authored for distribution via a physical medium using a content authoring system, automatically authoring a user interface based upon the object model using the content authoring system, and packing the transcoded multimedia content into at least one container file.

Abstract: A video recording apparatus includes a data acquisition section, an encoding section, and a recording section. With a plurality of groups of pictures corresponding to a cell in an optical disk format set as a recording unit, the encoding section generates streaming data by time division multiplexing of encoded data using fixed-data-length packs according to the optical disk format, and multiplexes to the streaming data specific information that includes information necessary for generating a navigation pack in the optical disk format and that is difficult to obtain without analyzing the packs containing the encoded video and audio data, such that the specific information is assigned to each of the groups of pictures using a private pack in the streaming data.

Abstract: On an information recode medium, a whole stream containing a plurality of partial streams each consisting of content information including still picture information is multiplexed and recorded on packet basis. The information record medium includes a file for storing object data consisting of a plurality of packets each containing a fragment of content information and a file for storing information defining the reproduction sequence of the object data. Furthermore, the information record medium includes an object information file for storing classification information indicating whether each object data corresponds to a first encoding method or a second encoding method.

Abstract: The present invention is equipped with a plurality of low-cost middle-capacity hard disks that are combined together to realize a large capacity at the same level as a large-capacity hard disk, and performs power-saving management to minimize the power consumption by the hard disks. At the same time, the present invention eliminates delays for accessing the separate hard disks. For this purpose, the present invention puts any of a plurality of drive devices other than a current access-target drive into a power-saving state, and puts the next access-target drive into a stand-by state from the power-saving state during the access to the current access-target drive, by calculating a remaining time until completion of the access to the current access-target drive.

Abstract: A disc (1) has formed therein a header area (21) in which management information is recorded, and a data area (22) in which content information is recorded. Content information is recorded in units of an access block each including a succession of frames into the data area (22). The leading frame of the access block is taken as a base point of decoding. In the header area (21), there are recorded recording-position information for each access block and output-time information for the leading frame of each access block. At the top of the access block, there are recorded recording-position and output-time information for frames other than the leading frame. Thus, skip reproduction can be done by reading the recording-position and output-time information in the access block into a memory.

Abstract: To search image information regarding image data, recorded on a storage medium, based on a desired search condition and to perform efficient display. An attribute-information obtaining section 221 obtains attributes. For respective chapters, the attributes are held by an attribute file 500. A condition searching section 223 searches the attributes for the respective chapters in accordance with a condition input from a condition inputting section 222. A thumbnail obtaining section 224 obtains thumbnails that match the search condition. An index displaying section 226 displays the obtained thumbnails. When a thumbnail is selected via an image selecting section 227, an image reproducing section 228 reproduces image data in accordance with link information extracted by a link-information extracting section 225.

Abstract: A recording medium, method and apparatus for providing management information are provided. According to an embodiment, the method includes grouping data of a digital stream into a plurality of object units, and grouping one or more object units into an object; and creating management information for accessing the data, the management information including map information and indication information, wherein the map information includes an object unit index table associated with the object units, and wherein the indication information indicates whether the data of the digital stream are grouped into the object units on a basis of a predetermined time period or an entry point information included in the digital stream.