Lg Electronics Inc.

Hyouk Jean Cha

Tae Hyeon Kim

Ji Soo Hong

A media file format based on an ISO base media file, a method and apparatus for reproducing the same, and an apparatus for generating the same are disclosed. The media file format based on an ISO base media file includes: a first area including first information indicating whether or not a file includes stereoscopic contents; and a second area including second information related to a reproducing method or a storing method of a stream included in the stereoscopic contents. Accordingly, the media file format based on an ISO base media file can effectively store and reproduce stereoscopic contents.

Media file format based on, method and apparatus for reproducing the same, and apparatus for generating the same

The present invention relates to a multimedia data decoding method and apparatus. The decoding method includes receiving multimedia data including a data area including a plurality of media data areas each corresponding to a plurality of media data; and a media information area including a plurality of track areas each corresponding to the plurality of media data areas; reading the media information area; extracting timing information for sequentially reproducing the media data comprised in the media data area, from the track area; and reproducing the media data, using the media data of the data area and the extracted timing information. According to the present invention, the multimedia data decoding method and apparatus has an effect of being capable of constructing a slide show by only a small amount of multimedia data. Thus, a time taken to process and transmit the multimedia data can reduce.

Method and apparatus for encoding/decoding

The disclosed embodiments relate to a multimedia data encoding/decoding method and apparatus. In some aspects, a decoding method comprises receiving multimedia data which comprises a media area including a video data area and an audio data area, a media information area including a video track area and an audio track area respectively corresponding to the video data area and the audio data area respectively, and a menu description area including description data for displaying a menu that provides an interface between a user and media data in the media area. The media information area further comprises segment metadata for searching segments of the media data included in the media area. The segment metadata having information regarding one or more segment groups which the segments are classified into, and the media information area and the menu description area are incorporated into a single file.

Encoding method and apparatus and decoding method and apparatus

The disclosed embodiments relate to a multimedia data encoding/decoding method and apparatus. In some aspects, a decoding method comprises receiving multimedia data which comprises a file type area including information regarding a format of a file, a media area including a video data area and a audio data area, a media information area including a video track area and a audio track area respectively corresponding to the video data area and the audio data area, a file information area including identification information and position information regarding media data in the media area, and a menu description area including description data for displaying a menu, the menu providing an interface between a user and media data in the media area; displaying the menu using the description data; and decoding media data extracted from the media area based on the menu, wherein the media information area further comprises a media meta area which includes creation information regarding a plurality of media contents included in the media area and is on a same level as the video track area and the audio track area, the creation information comprising information regarding at least one of a title, an artist, a clip description, a user comment, and a file date of each of the media contents, and the media area, the media information area and the menu description area are incorporated into a single file. The disclosed embodiments include a multimedia data encoding/decoding method and apparatus can construct a multi media data file including a plurality of video/audio contents and description data for a menu between a user and media data. Thus, a time taken to process and transmit the multimedia data can be reduced.

The present invention relates to a multimedia data encoding/decoding method and apparatus. The encoding method includes generating a data area including a plurality of media data areas; and generating a media information area including a plurality of track areas corresponding to the plurality of media data areas, respectively. According to the present invention, the multimedia data encoding/decoding method and apparatus has an effect of being capable of constructing a slide show by only a small amount of multimedia data. Thus, a time taken to process and transmit the multimedia data can reduce.

The disclosed embodiments relate to a multimedia data encoding/decoding method and apparatus. In some aspects, an encoding method includes generating a file type area having information on a file format; generating a data area comprising a plurality of media data areas; and generating a media information area comprising a plurality of track areas corresponding to the plurality of media data areas, respectively. According to one aspect, the multimedia data encoding/decoding method and apparatus can construct a slide show using only a small amount of multimedia data. Thus, a time taken to process and transmit the multimedia data can be reduced.

Method and apparatus for encoding/decoding signal

The disclosed embodiments relate to a multimedia data encoding/decoding method and apparatus. In some aspects, a decoding method comprises receiving multimedia data which comprises a media area including a video data area and an audio data area, a media information area including a video track area and an audio track area respectively corresponding to the video data area and the audio data area, and a menu description area including description data for displaying a menu that provides an interface between a user and media data in the media area; extracting the description data from the multimedia data, the description data being described using a scene representation format; decoding the extracted description data by extracting scalable vector graphics format data form the description data; rendering a menu using the decoded description data; and decoding media data extracted from the media area based on the menu, wherein the media area, the media information area and the menu description area are incorporated into a single file. The disclosed embodiments include a multimedia data encoding/decoding method and apparatus can construct a multi media data file including a plurality of video/audio contents and description data for a menu between a user and media data. Thus, a time taken to process and transmit the multimedia data can be reduced.

The disclosed embodiments relate to a multimedia data encoding/decoding method and apparatus. In some aspects, a decoding method comprises receiving multimedia data which comprises a media area including a video data area having a plurality of video contents and an audio data area having a plurality of audio contents, a media information area including a plurality of video track areas respectively corresponding to the video contents and a plurality of audio track areas respectively corresponding to the audio contents, and a menu description area including description data for displaying a menu that provides an interface between a user and media data in the media area; displaying a menu using the description data; and decoding media data extracted from the media area based on the menu, wherein each of the video track areas and the audio track areas comprises at least one of temporal information and spatial information of a corresponding content, and the media area, the media information area and the menu description area are incorporated into a single file. The disclosed embodiments include a multimedia data encoding/decoding method and apparatus can construct a multi media data file including a plurality of video/audio contents and description data for a menu between a user and media data. Thus, a time taken to process and transmit the multimedia data can be reduced.

The present invention relates to a multimedia data encoding/decoding method and apparatus. The encoding method includes generating a file type area having information on a file format; generating a data area comprising a plurality of media data areas; and generating a media information area comprising a plurality of track areas corresponding to the plurality of media data areas, respectively. According to the present invention, the multimedia data encoding/decoding method and apparatus has an effect of being capable of constructing a slide show by only a small amount of multimedia data. Thus, a time taken to process and transmit the multimedia data can reduce.

The present invention relates to a multimedia data encoding/decoding method and apparatus. The encoding method includes generating a data area comprising a plurality of media data areas; generating a plurality of track areas corresponding to the plurality of media data areas, respectively; and generating a meta area comprising a first area comprising identification information on media data and a second area comprising position information on the media data. According to the present invention, the multimedia data encoding/decoding method and apparatus has an effect of being capable of constructing a slide show by only a small amount of multimedia data. Thus, a time taken to process and transmit the multimedia data can reduce.

There is provided a multimedia data decoding method and apparatus. The decoding method includes generating a data area comprising a first media data area, a second media data area, and a third media data area, and generating a media information area comprising first, second, and third track areas each corresponding to the first, second, and third media data areas. The multimedia data decoding method and apparatus has an effect of being capable of constructing a slide show by only a small amount of multimedia data. Thus, a time taken to process and transmit the multimedia data can reduce.

The present invention relates to a multimedia data encoding/decoding method and apparatus. The encoding method includes generating a data area including a plurality of media data areas; generating a media information area including a plurality of track areas corresponding to the plurality of media data areas, respectively; and generating an animation area having information on an animation effect to be applied to media data included in the media data area. According to the present invention, the multimedia data encoding/decoding method and apparatus has an effect of being capable of constructing a slide show by only a small amount of multimedia data. Thus, a time taken to process and transmit the multimedia data can reduce.

The disclosed embodiments relate to a multimedia data encoding/decoding method and apparatus. In some aspects, a decoding method comprises receiving multimedia data which comprises a media area, a media information area, and a menu description area including description data for displaying a menu; extracting the description data from the multimedia data; rendering a menu using the extracted description data; and decoding media data extracted from the media area based on the menu, wherein the media area, the media information area and the menu description area are incorporated into one file, the multimedia data further comprises usage metadata in another file, the usage metadata describes and stores a user's action on the media data in the media area, and the decoding comprises decoding the media data from the point of interruption using the usage metadata. Thus, a time taken to process and transmit the multimedia data can be reduced.

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Sungnam-si, South Korea

Hyouk Jean Cha