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Caption colour delimiting and positioning method and apparatus

A technology of predetermined position and subtitles, which is applied in the field of subtitles to achieve fast and effective dynamic positioning

Inactive Publication Date: 2004-09-08
SONY CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But it doesn't really change the color of each character directly

Method used

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  • Caption colour delimiting and positioning method and apparatus
  • Caption colour delimiting and positioning method and apparatus
  • Caption colour delimiting and positioning method and apparatus

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Embodiment Construction

[0061] The invention will now be described with reference to the drawings, wherein like numerals represent like or corresponding parts throughout.

[0062] decoding device

[0063] A data decoding apparatus incorporating the present invention shown in FIG. 1 decodes a reproduced signal. The system controller 14 of the data decoding device processes the reproduced signal and then sends it to the subtitle decoder 7 . The system controller communicates with the subtitle decoder controller 35 (FIG. 2) to decode the subtitles and superimpose them on the decoded video image for display on the television screen.

[0064] A data decoder and demultiplexer 1 receives a digital reproduction signal from, for example, a VCB. The data decoder and demultiplexer 1 preferably uses an error correction code (ECC) technique to error-decode the reproduced signal, and separates the erroneously decoded reproduced signal into video, subtitle and audio signals. The memory 2 can be used as, for exampl...

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Abstract

Dynamic positioning of subtitles for a video image is achieved by encoding and decoding the subtitles separately from the video image. At the encoder (Fig. 7), subtitles are generated (55) for each respective video image. At the decoder (Fig. 2), a buffer (22) stores the subtitles along with subtitle decoding information. A controller (35) precisely times a reading operation of the buffer to read out the subtitles during a real time display of the respective video image. Dynamic positioning of the subtitles is achieved by delaying the time the controller executes the read operation. When the decoding technique is repeated for a number of frames, the viewer senses motion as the positioning gradually changes.

Description

[0001] This application is a divisional application of the following patent application: the filing date is April 3, 1996, the application number is 96105771.8, and the title of the invention is "Subtitle Color Wiping and Positioning Method and Device". technical field [0002] The invention relates to subtitle technology, in particular to color wiping and positioning subtitles. Background technique [0003] Subtitles superimposed on a video image convey information pertaining to the video image to the viewer. Take karaoke (Karaoke) as an example, the lyrics are displayed on the video image as subtitles, and the audience sings along with the sound track of the video image. Captions also convey information to the viewer in the manner in which they are displayed. For example, brightly lit lyrics in karaoke prompt people to start singing, while moving the lyrics off-screen tells the audience to stop singing. [0004] Television broadcasts or video reproductions (such as video...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N11/04G11B27/034H04N7/088H04N7/24H04N19/423H04N19/463H04N19/59H04N19/60H04N19/65H04N19/70H04N19/80H04N19/89
CPCH04N7/26053H04N21/4348H04N5/445G11B27/034H04N21/4314G11B2220/2545H04N19/00193H04N19/00169H04N21/235H04N7/26313H04N21/4307H04N19/0006H04N19/00775H04N7/26H04N21/435H04N7/26276H04N5/4401H04N19/00545H04N7/26186H04N7/0885H04N21/4884H04N19/0026H04N21/23614H04N21/4312H04N19/00H04N19/00424H04N19/46H04N19/30H04N19/115H04N19/60H04N19/146H04N19/152H04N19/17H04N21/426H04N21/43074H04N7/035H04N11/04
Inventor 越郁夫
Owner SONY CORP
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