Abstract: An online coaching method includes: acquiring workout log data representing progress of workout carried out by a trainee who receives coaching for workout from a trainer; acquiring transmission status data representing a status of message transmission using a communication screen from the trainee to the trainer; and controlling permission and prohibition of message transmission from the trainee to the trainer on the communication screen based on the workout log data and the transmission status data.

Abstract: An encoding device that, when encoding frame image groups which represent scenes respectively viewed from plurality of viewpoints over predetermined time period, generates base-view video stream by encoding frame image group of standard viewpoint without using, as reference image, any frame image of other viewpoints, generates first-type dependent-view video stream by encoding frame image group of first-type viewpoint by using, as reference image, frame image of same time of base-view video stream or of another first-type dependent-view video stream, first-type viewpoint being positioned such that at least one viewpoint is present between first-type viewpoint and standard viewpoint, and generates second-type dependent-view video stream by encoding frame image group of second-type viewpoint by using, as reference images, frame images of same time of two viewpoints sandwiching second-type viewpoint, second-type viewpoint being neither standard viewpoint nor first-type viewpoint.

Abstract: A destination setting unit (901) receives setting of a destination by the user when a route from a present position to the destination is guided. A user specifying unit (902) judges whether the user who sets the destination is the user who performs program recording reservation. When the user is judged to be the user who performs program recording reservation, a keyword extracting unit (903) extracts a keyword for use in performing program recording reservation based on the destination. A keyword display unit (904) presents the user with the extracted keyword. A keyword selecting unit (905) receives selection, by the user, of the presented keyword. A program selecting unit (906) selects a program associated with the keyword. A program reservation unit (907) reserves recording of the selected program.

Abstract: An online coaching method includes: acquiring workout log data representing progress of workout carried out by a trainee who receives coaching for workout from a trainer; acquiring transmission status data representing a status of message transmission using a communication screen from the trainee to the trainer; and controlling permission and prohibition of message transmission from the trainee to the trainer on the communication screen based on the workout log data and the transmission status data.

Abstract: A video processing device overlays appropriate presentation data over video images, even if the size of the display area for 3D video images differs from the size of the display area for presentation data that is to be presented with the 3D video images. The video processing device generates left- and right-view images from a 3D video stream, enlarges presentation data obtained from a relevant data stream to scale its display size to match the display size of video images, applying an offset value, which is determined to cause a specific parallax, to the thus enlarged presentation data to generate left- and right-view presentation data, and overlays the left-view presentation data over the left-view images and the right-view presentation data over the right-view images to display video images resulting from the overlaying.

Abstract: Provided is a video processing device that quickly identifies a distribution mode of a stream of display data, e.g., subtitles, and reproduces the data according to the distribution mode. The video processing device receives a transport stream including additional information and a data stream of display data to be displayed along with a 3D video, the additional information indicating whether the transport stream further includes left-view and right-view data streams generated from left-view and right-view data used for displaying the display data; determines whether the transport stream includes the left-view and the right-view data streams based on the additional information; and reproduces the left-view and the right-view data from the left-view and the right-view data streams when the transport stream includes the left-view and the right-view data streams, and reproduces alternative left-view and right-view data when the transport stream does not include the left-view and the right-view data streams.

Abstract: A spot notification device includes: a viewing history acquisition unit that acquires a program viewing history of a user; a program metadata acquisition unit that acquires program metadata including a name and locational information on a spot introduced in a program; a spot list generation unit that generates, on the basis of the viewing history and the program metadata, a spot list including the name and locational information on the spot; a current location acquisition unit that acquires a current location of the user; an activity history holding unit that holds the current location in time series as an activity history; a notifying spot determination unit that sets a search range in accordance with the activity history and refers to the spot list to search for the spot present within the search range; and a spot notification unit that notifies the user of information relating to the spot.

Abstract: A data broadcast display device guarantees stereoscopic perception by the user of a displayed 3D data broadcast image, while alleviating the discomfort a user experiences due to a delay in display. The data broadcast display device includes a reception unit that receives object data for generating the left-view and right-view objects, a display data generation unit that generates the left-view and right-view objects using the received object data while providing notification upon completion of the generation of each object, and a display control unit that determines, at predetermined time intervals, whether the notification has been received for both the left-view and right-view objects, includes both the left-view and right-view objects in a data broadcast image for display when determining affirmatively, and includes neither the left-view nor the right-view object in the data broadcast image for display when determining negatively.

Abstract: An advertisement ID and a personal ID are received from a video playback apparatus, personal information corresponding to the user ID is obtained from a first data base that manages at least one piece of personal information, advertisement information corresponding to the advertisement ID is obtained using a second data base that manages at least one piece of advertisement information, the advertisement information is used for generating superimposition advertisement data, which is superimposed upon the advertisement data, first superimposition advertisement data is generated using the personal information and the advertisement information, and the first superimposition advertisement data is provided to the video playback apparatus through a network in order to cause the video playback apparatus to play back the advertisement data upon which the first superimposition data is superimposed.

Abstract: To provide a content playback device capable of, when playing back a content distributed in a streaming format via a network whose view mode is selectable among a plurality of view modes, presenting to a user the switchability between the view modes, thereby to improve the user's convenience. The content playback device includes a reception unit that receives, from the content distribution system, control information indicating a plurality of view modes selectable for viewing the video content, a presentation unit that presents, to a user, the view modes as options of a view mode for viewing the video content, an input reception unit that receives an input selecting one view mode among the view modes from the user; and a request unit that requests the content distribution system to distribute the video content in the streaming format, by transmitting information indicating the selected view mode to the content distribution system.

Abstract: A destination setting unit (901) receives setting of a destination by the user when a route from a present position to the destination is guided. A user specifying unit (902) judges whether the user who sets the destination is the user who performs program recording reservation. When the user is judged to be the user who performs program recording reservation, a keyword extracting unit (903) extracts a keyword for use in performing program recording reservation based on the destination. A keyword display unit (904) presents the user with the extracted keyword. A keyword selecting unit (905) receives selection, by the user, of the presented keyword. A program selecting unit (906) selects a program associated with the keyword. A program reservation unit (907) reserves recording of the selected program.

Abstract: A spot notification device includes: a viewing history acquisition unit that acquires a program viewing history of a user; a program metadata acquisition unit that acquires program metadata including a name and locational information on a spot introduced in a program; a spot list generation unit that generates, on the basis of the viewing history and the program metadata, a spot list including the name and locational information on the spot; a current location acquisition unit that acquires a current location of the user; an activity history holding unit that holds the current location in time series as an activity history; a notifying spot determination unit that sets a search range in accordance with the activity history and refers to the spot list to search for the spot present within the search range; and a spot notification unit that notifies the user of information relating to the spot.

Abstract: A content playback device reduces user discomfort, relative to conventional devices, when playback is interrupted and resumed after switching viewing modes, pieces of content representing different viewing modes for a common product, and differing in video length or having other differences. The content playback device receives and plays back streaming content from a content server delivering two pieces of content having different viewing modes for the common product, and comprises: a selection unit selecting a viewing mode; a determination unit determining whether playback of a first piece of content not having the selected viewing mode was interrupted; a conversion unit converting, when the determination unit has determined affirmatively, a playback interrupt position into a corresponding position in a second piece of content having the selected viewing mode; and a request unit making a request to the content server for transmission of the second piece of content from the corresponding position.

Abstract: A reception apparatus includes: a broadcast reception unit (101) receiving broadcast content including a video stream, broadcast subtitles, and timing information, the video stream being composed of a plurality of images output along a time axis, the broadcast subtitles being composed of character strings, the timing information being used to output the broadcast subtitles in synchronization with the images; an alternative subtitle acquisition unit (110) acquiring alternative subtitles prior to reception of the broadcast content, the alternative subtitles being composed of character strings that are alternatives to the character strings constituting the broadcast subtitles in a different representation; an alternative subtitle holding unit (111) holding the acquired alternative subtitles; and the timing control unit (112), an alternative subtitle screen generation unit (115), and an alternative subtitle output unit (116) performing alternative subtitle synchronization processing to output the alternative subt

Abstract: An image processing system comprising a transmission device and a reception device, wherein the transmission device includes: a 3D encoder encoding 3D images input thereto to generate a 3D program; a stream generator generating a video stream including a plurality of programs, including the 3D program generated by the 3D encoder; a stream transmitter transmitting the video stream; and an information transmitter transmitting information for specifying a priority program within the video stream; and the reception device includes: an information receiver receiving the information; a stream receiver receiving the video stream; and a decoding processor decoding the video stream, specifying the priority program using the information, and performing control such that the priority program is output to a channel used for connecting to a display device at a priority program transfer rate equal to a preceding program transfer rate used for a preceding program output immediately before the priority program.

Abstract: A display control device (300) which controls display of objects placed on a display screen (111), based on inputs on touchpads (201, 202), the display control device including: an operation ratio setting unit (301) which sets an operation ratio indicating a ratio between operation capabilities of a user for the respective touchpads; an assigning unit (302) which assigns regions of the display screen to the touchpads; a position-on-screen determining unit (303) which determines a pointing position indicating a position on the display screen, based on information indicating one of the assigned regions, the pointing position corresponding to a position of an input on one of the touchpads by the user; and a display control unit (305) which controls display of an object placed at the pointing position, wherein the assigning unit assigns at least either the regions of the screen or the objects to the touchpads based on the operation ratio.

Abstract: A display device comprising: a reception unit; a display unit; a storage unit; and an acquisition unit. The reception unit receives a stream containing a plurality of video frames and first display timing information specifying a display timing of each video frame. The display unit displays each video frame at a corresponding display timing specified by the first display timing information. The storage unit stores an image and second display timing information specifying a display timing of the image. The acquisition unit acquires correction information specifying a correction amount for correcting the display timing of the image and thereby enabling the image to be displayed in synchronization with the video frames displayed by the display unit. The display unit further displays the image at a corrected display timing determined by correcting the display timing of the image by using the correction amount specified by the correction information.

Abstract: A video processing device overlays appropriate presentation data over video images, even if the size of the display area for 3D video images differs from the size of the display area for presentation data that is to be presented with the 3D video images. The video processing device generates left- and right-view images from a 3D video stream, enlarges presentation data obtained from a relevant data stream to scale its display size to match the display size of video images, applying an offset value, which is determined to cause a specific parallax, to the thus enlarged presentation data to generate left- and right-view presentation data, and overlays the left-view presentation data over the left-view images and the right-view presentation data over the right-view images to display video images resulting from the overlaying.

Abstract: A content playback device reduces user discomfort, relative to conventional devices, when playback is interrupted and resumed after switching viewing modes, pieces of content representing different viewing modes for a common product, and differing in video length or having other differences. The content playback device receives and plays back streaming content from a content server delivering two pieces of content having different viewing modes for the common product, and comprises: a selection unit selecting a viewing mode; a determination unit determining whether playback of a first piece of content not having the selected viewing mode was interrupted; a conversion unit converting, when the determination unit has determined affirmatively, a playback interrupt position into a corresponding position in a second piece of content having the selected viewing mode; and a request unit making a request to the content server for transmission of the second piece of content from the corresponding position.

Abstract: An encoding device that, when encoding frame image groups which represent scenes respectively viewed from plurality of viewpoints over predetermined time period, generates base-view video stream by encoding frame image group of standard viewpoint without using, as reference image, any frame image of other viewpoints, generates first-type dependent-view video stream by encoding frame image group of first-type viewpoint by using, as reference image, frame image of same time of base-view video stream or of another first-type dependent-view video stream, first-type viewpoint being positioned such that at least one viewpoint is present between first-type viewpoint and standard viewpoint, and generates second-type dependent-view video stream by encoding frame image group of second-type viewpoint by using, as reference images, frame images of same time of two viewpoints sandwiching second-type viewpoint, second-type viewpoint being neither standard viewpoint nor first-type viewpoint.