One embodiment provides a method, increasing: receiving, at an information handling device, an indication to adjust a playback speed of media content; determining, using a processor, an optimal playback speed of the media content for a user; and adjusting, responsive to the determining, the playback speed of the media content from an original playback speed to the optimal playback speed. Other aspects are described and claimed.

A method for controlling a mobile terminal is provided. The method includes receiving content data including video data; determining whether first caption data including a first language caption is included in the content data; determining, if the first caption data is included in the content data, whether a high-difficulty word is included in the first language caption; generating explanation data corresponding to the high-difficulty word if the high-difficulty word is included in the first language caption; and converting the first caption data into second caption data by adding the explanation data to the first caption data.

Systems, methods, devices, and computer program products provide social and interactive applications for mass media based on real time ambient-audio and/or video identification. In some implementations, a method includes: receiving descriptors identifying ambient audio associated with a media broadcast; comparing the descriptors to one or more reference descriptors; and determining a rating for the media broadcast based at least in part on the results of the comparison.

A method for presenting interactive multimedia programs includes selecting a multimedia program having a plurality of segments, classifying the multimedia program and the plurality of segments according to content, and generating a plurality of additional content items based on the classification, each of which being associated with at least one of the plurality of segments. The method further includes generating a plurality of pre-defined queries for each of the plurality of segments based on a content of the segment and at least one speech recognition grammar based on the plurality of pre-defined queries. The plurality of additional content items are retrievable responsive to the plurality of pre-defined queries. The method further includes generating a data stream including the at least one speech recognition grammar and all of the plurality of additional content items and the plurality of pre-defined queries arranged according to an order of the plurality of segments.

Self-learning systems process incoming data from sources such broadcast, cable, or IP-driven television and can discover topics that broadly describe the incoming data in real-time. These topics can be used to gather and store metadata from various metadata sources such as social networks. Using the metadata, content delivery systems working in parallel with the self-learning systems can deliver highly contextualized supplementary content to client applications, such as mobile devices used as “second screen” devices.

To enable an HDR image and an HDR image metadata to be stored in an MP4 file, and a reproduction device to reproduce an optimum HDR image based on metadata. In generating the MP4 file that stores HDR image data, the HDR image metadata is recorded in the MP4 file. An HDR image metadata storage box is set to a trak box or a traf box in the MP4 file, and the HDR image metadata is stored. The reproduction device acquires the HDR image metadata stored in the MP4 file, determines whether executing a conversion process of the HDR image read from. the MP4 file according to the acquired metadata and display function information of the display unit, and executes an output image generation process according to a determination result.

Methods and systems are provided for streaming a media asset with an adaptive bitrate transcoder. A server receives, from a client device, a first request for a first portion of the plurality of portions to be transcoded at a first bitrate. The server then starts to transcode the plurality of portions at the requested first bitrate to generate a plurality of corresponding transcoded portions. The server updates a header of a transcoded portion to include: 1) a transcode latency value; and 2) a count value indicating a number of available pre-transcoded portions of the media asset at the time the first request was received. The server then transmits the transcoded portion to the client. The client device then determines a second bitrate based on the transcode latency value included in the header of the transcoded portion corresponding to the first portion.

Systems and methods are described herein for displaying subjects of a portion of content. Media data of content is analyzed during playback, and a number of action signatures are identified. Each action signature is associated with a particular subject within the content. The action signature is stored, along with a timestamp corresponding to a playback position at which the action signature begins, in association with an identifier of the particular subject. Upon receiving a command, icons representing each of a number of action signatures at or near the current playback position are displayed. Upon receiving user selection of an icon corresponding to a particular signature, a portion of the content corresponding to the action signature is played back.

A data processing apparatus includes a text acquisition mechanism acquiring texts to be used as keywords which will be subject to audio retrieval, the texts being related to contents corresponding to contents data including image data and audio data; a keyword acquisition mechanism acquiring the keywords from the texts; an audio retrieval mechanism retrieving utterance of the keywords from the audio data of the contents data and acquiring timing information representing the timing of the utterance of the keywords of which the utterance is retrieved; and a playback control mechanism generating, from image data around the time represented by the timing information, representation image data of a representation image which will be displayed together with the keywords and performing playback control of displaying the representation image corresponding to the representation image data together with the keywords which are uttered at the time represented by the timing information.

A technique capable of allowing a reception side to easily select components is provided. A transport stream in which a first transport packet including predetermined components and a second transport packet including signaling information related to the predetermined components are time-division multiplexed is transmitted via a predetermined transport path. Component selection information is inserted in the second transport packet. The component selection information includes information on a selective layer in which static selection is performed, information on a composite layer in which composition is performed, and information on an adaptive layer in which dynamic switching is performed, and these layers being arranged in that order from top to bottom. The acquisition destination information of a component which is a target of adaptive switching among the components selectable in the adaptive layer is information that designates specific information location of a metafile having data stream acquisition information for adaptive streaming.