Apparatus and method for providing additional information using extension subtitles file

• US 20060272000A1
• Filed: 04/06/2006
• Published: 11/30/2006
• Est. Priority Date: 05/26/2005
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Lee, Dae-hyun, Kang, Chun-un, Park, Jae-sung, Chu, Chang-nam, Jung, Min-woo, Kwak, Ki-won
• Granted Patent: US 8,732,783 B2
• Time in Patent Office: Days
• US Class Current: 725/137
• CPC Class Codes: G11B 27/10 Indexing; Addressing; Timing or synchronising; Measuring tape travel
• CPC Class Codes: H04N 21/234318 by decomposing into objects, e.g. MPEG-4 objects
• CPC Class Codes: H04N 21/235 Processing of additional data, e.g. scrambling of additional data or processing content descriptors
• CPC Class Codes: H04N 21/23614 Multiplexing of additional data and video streams arrangements for simultaneous broadcast of plural pieces of information H04H20/28
• CPC Class Codes: H04N 21/2368 Multiplexing of audio and video streams
• CPC Class Codes: H04N 21/43074 of additional data with content streams on the same device, e.g. of EPG data or interactive icon with a TV program
• CPC Class Codes: H04N 21/4341 Demultiplexing of audio and video streams
• CPC Class Codes: H04N 21/4345 Extraction or processing of SI, e.g. extracting service information from an MPEG stream
• CPC Class Codes: H04N 21/4348 Demultiplexing of additional data and video streams
• CPC Class Codes: H04N 21/435 Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
• CPC Class Codes: H04N 21/4884 for displaying subtitles
• CPC Class Codes: H04N 21/8543 using a description language, e.g. Multimedia and Hypermedia information coding Expert Group [MHEG], eXtensible Markup Language [XML] information retrieval of semistructured data, the underlying structure being taken into account, e.g. mark-up language structure data G06F16/80

Abstract

Disclosed are an apparatus for providing additional information by using an extension subtitle file including an inverse multiplexing unit to separate video and audio data from a multimedia file input by a data input unit, an XML parser to parse a caption data file and an additional information data file input by the data input unit, video and audio data processing units to decode the video and audio data input by the inverse multiplexing unit, and convert the decoded video and audio data into predetermined video and audio signals, a caption processing unit to process the caption data parsed and input by the XML parser, an additional information data processing unit to process the additional information data file parsed and input by the XML parser, and to generate user interface information based on the processed additional information, and a data output unit to display the processed video, audio, caption and user interface information.

Claims

1. An apparatus for providing additional information using an extensible caption file, the apparatus comprising:

an inverse multiplexing unit to separate video and audio data from a multimedia file input by a data input unit;

an XML parser to parse a caption data file and an additional information data file input by the data input unit;

video and audio data processing units to decode the video and audio data input from the inverse multiplexing unit, and convert the decoded video and audio data into processed video and audio information;

a caption processing unit to process the caption data parsed and input by the XML parser to generate processed caption information;

an additional information data processing unit to process the additional information data file parsed and input by the XML parser, and to generate user interface information based on the processed additional information; and

a data output unit to display the processed video, audio, caption and user interface information.

2. The apparatus of claim 1, wherein the data displaying unit sets a higher priority value for the additional information data so that the additional information is located in the upper layer of a screen when the additional information data is displayed.

3. The apparatus of claim 1, wherein the additional information data includes video, audio and caption information.

4. A method of providing additional information using an extensible caption file, the method comprising:

parsing caption data and additional information data input from an apparatus into which multimedia data, the caption data and the additional information data have been input;

generating user interface information by processing the parsed additional information data; and

displaying the multimedia data, the caption data and the user interface information synchronously.

5. The method of claim 4 further comprising:

setting priorities for the multimedia data, the caption data and the user interface information; and

displaying them based on the set priority.

6. The method of claim 5, wherein the user interface information is located in the upper layer of a screen by setting a higher priority value for the user interface information.

7. The method of claim 4, wherein the user interface information comprises video, audio and caption information.

8. An apparatus, comprising:

a caption processing unit configured to process caption information relating to multimedia data;

an additional data processing unit configured to process additional data and to generate user interface information based on the additional data; and

a data output unit configured to combine for display multimedia information of the multimedia data, the caption information relating to the multimedia information, and the user interface information.

9. The apparatus of claim 8, further comprising an XML parser configured to parse a caption data file to provide the caption information, and to parse an additional information file to provide the additional data.

10. The apparatus of claim 9, further comprising:

an inverse multiplexing unit configured to separate video and audio data from the multimedia data; and

video and audio processing units configured to decode, respectively, the video and audio data separated from the multimedia data and to generate video and audio information, wherein the video and audio information is the multimedia information of the multimedia data.