A system comprising a remote video provider and a device; the device, capable of processing data and instructions executable by a processor, when executing the instructions, performs the steps of: streaming, from the remote video provider and over a communications network, a video; receiving, during a playing of the video, a request for information; pausing the playing of the video in response to the request for information; displaying information responsive to the request for information; and resuming, following a termination of the displaying of information, the playing of the video at a location in the video that (i) precedes a location at which the video was paused, and (ii) is responsive to a beginning of a video segment.

To provide a lesson system, a lesson method, and a program by which a high learning effect is achieved. A lesson system includes: an experience video storage unit configured to store an experience video based on an actual experience of an experiencer; a sensor configured to detect a motion of a student; a microphone configured to detect a voice of the student; a reproduction processing unit configured to generate a lesson video in which an image of a teacher is superimposed on the experience video; a display unit configured to display the lesson video to the student; a speaker for outputting audio configured to output audio corresponding to the lesson video; and a progression control unit configured to control progression of the lesson video displayed on the display unit in accordance with the result of detection by at least one the sensor and the microphone.

To provide a lesson system, a lesson method, and a program by which a high learning effect is achieved. A lesson system includes: an experience video storage unit configured to store an experience video based on an actual experience of an experiencer; a sensor configured to detect a motion of a student; a microphone configured to detect a voice of the student; a reproduction processing unit configured to generate a lesson video in which an image of a teacher is superimposed on the experience video; a display unit configured to display the lesson video to the student; a speaker for outputting audio configured to output audio corresponding to the lesson video; and a progression control unit configured to control progression of the lesson video displayed on the display unit in accordance with the result of detection by at least one the sensor and the microphone.

A moving picture playback method including detecting a first location in a moving picture display area indicated by a user, detecting a frame at a time point at which the user indicated the first location, determining whether the first location is located in one of two divided areas of the moving picture display area or in the other thereof, generating a first number of thumbnails of frames temporally subsequent to the detected frame when the first location is located in the one of the two divided areas, and generating a second number of thumbnails of frames temporally previous to the detected frame when the first location is located in the other, displaying the generated thumbnails in the moving picture display area, detecting a thumbnail selected from among the displayed thumbnails by the user, and playing back a moving picture at a frame corresponding to the detected thumbnail and subsequent frames.

A moving picture playback method including detecting a first location in a moving picture display area indicated by a user, detecting a frame at a time point at which the user indicated the first location, determining whether the first location is located in one of two divided areas of the moving picture display area or in the other thereof, generating a first number of thumbnails of frames temporally subsequent to the detected frame when the first location is located in the one of the two divided areas, and generating a second number of thumbnails of frames temporally previous to the detected frame when the first location is located in the other, displaying the generated thumbnails in the moving picture display area, detecting a thumbnail selected from among the displayed thumbnails by the user, and playing back a moving picture at a frame corresponding to the detected thumbnail and subsequent frames.

A video delivery system according to the present disclosure includes: a video streaming apparatus which records and transmits a video data; and a video editing apparatus which receives video data and edits a video based on the video data. The video streaming apparatus includes a streaming processing unit which transmits information which indicates whether a record processing unit has recorded a video file. The video editing apparatus includes range designation means which indicates, to a user, a time range for which the video streaming apparatus has recorded a video file, based on determination by the additional information interpretation means.

A video delivery system according to the present disclosure includes: a video streaming apparatus which records and transmits a video data; and a video editing apparatus which receives video data and edits a video based on the video data. The video streaming apparatus includes a streaming processing unit which transmits information which indicates whether a record processing unit has recorded a video file. The video editing apparatus includes range designation means which indicates, to a user, a time range for which the video streaming apparatus has recorded a video file, based on determination by the additional information interpretation means.

A display system includes a display device and an information terminal for communicating with the display device. The information terminal includes a generation unit that generates playback control information that includes information indicating a storing position of playback content data selected from content data stored in a storage part and is used to control playback of the playback content data, and a transmission unit that transmits the playback control information to the display device. The display device includes a display control unit that makes reference to the information indicating the storing position included in the playback control information received from the transmission unit, and plays back the playback content data according to the playback control information.

A display system includes a display device and an information terminal for communicating with the display device. The information terminal includes a generation unit that generates playback control information that includes information indicating a storing position of playback content data selected from content data stored in a storage part and is used to control playback of the playback content data, and a transmission unit that transmits the playback control information to the display device. The display device includes a display control unit that makes reference to the information indicating the storing position included in the playback control information received from the transmission unit, and plays back the playback content data according to the playback control information.

To acquire attribute information of high dynamic range (HDR) data from a playlist file and a clip information file to realize video reproduction according to a display device. A data processing unit that executes reproduction processing of disk recorded data acquires the playlist file and the clip information file as reproduction control information files corresponding to reproduction data recorded on a disk, determines whether HDR graphics data is recorded on the disk on the basis of record data of these files, and further acquires attribute information of the HDR graphics data from reproduction control information, and executes control of output data for the display device according to the acquired information in a case where the HDR graphics data is recorded on the disk.