Storage medium storing multimedia data, and method and apparatus for reproducing the multimedia data
A technology for multimedia data and data storage, which is applied in the field of encoding/decoding of multimedia content, and can solve problems such as delay in reproduction of downloaded data and increase in network burden.
Inactive Publication Date: 2007-06-20
SEJONG UNIVERSITY +1
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Problems solved by technology
However, in this case, all streaming content including download data and streaming data is delivered to the terminal at the user's request under the control of the streaming server, resulting in a delay in reproduction of the download data
In addition, both download data and streaming data are sent from the streaming server through the network, thus increasing the load on the network
Method used
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[0030] Embodiments of the present invention will now be described in detail, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like parts throughout. Hereinafter, the embodiments are described in order to explain the present invention by referring to the figures.
[0031] FIG. 1 shows a multimedia data structure according to an embodiment of the present invention.
[0032] Multimedia content may include various data such as video, audio, text, etc., each of which may be referred to as a media stream. Figure 1 shows an example of multimedia content comprising three media streams, respectively media stream A110, media stream B120 and media stream C130, each of which includes time synchronization information within the media for internal synchronization and time synchronization information between media used to synchronize with other media streams. Time synchronization information within media and time synchronization infor...
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A storage medium storing multimedia data, and a method and apparatus for reproducing the multimedia data . The method of reproducing multimedia data in a terminal, includes: receiving contents additional information regarding a data structure of at least one of plural media streams constituting of the multimedia data; requesting storage data recorded on a local storage medium according to the contents additional information, and receiving and storing the storage data; requesting streaming data over the network according to the contents additional information, and receiving the streaming data; and using the storage data and the streaming data to reconstruct and reproduce an original media stream, according to the contents additional information.
Description
technical field [0001] The present invention relates to encoding / decoding of multimedia content, and more particularly, to a storage medium storing multimedia data configured for streaming, and a method and apparatus for reproducing the multimedia data. Background technique [0002] Multimedia data such as video data, audio data, computer animation data, or any combination of the above are reproduced synchronously with respect to time synchronization within each type of data or between each type of data. For example, time synchronization information is included in each of audio data and video data so that they are reproduced synchronously together, and information indicating when the audio data and video data are output is included in each of them. By streaming such multimedia data over a wired / wireless network, such as the Internet, educational, entertainment or other content can be provided. [0003] Streaming services are limited by specific network conditions and termin...
Claims
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IPC IPC(8): G11B20/10G06F15/16H04L29/06H04L29/08
CPCH04L29/06469H04L29/0651H04L65/4092H04L29/06027H04L65/607H04L67/02H04L29/0809H04L65/613H04L65/70G11B20/10H04L65/1101
Inventor 金海光
Owner SEJONG UNIVERSITY