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1. WO2006114021 - SYNCHRONOUS CAPTION GENERATING METHOD AND DEVICE THAT CAN BE USED IN PORTABLE DEVICE

Publication Number WO/2006/114021
Publication Date 02.11.2006
International Application No. PCT/CN2005/000581
International Filing Date 27.04.2005
IPC
H04N 5/278 2006.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
5Details of television systems
222Studio circuitry; Studio devices; Studio equipment
262Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects
278Subtitling
H04M 11/00 2006.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
MTELEPHONIC COMMUNICATION
11Telephonic communication systems specially adapted for combination with other electrical systems
H04N 5/445 2011.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
5Details of television systems
44Receiver circuitry
445for displaying additional information
CPC
H04N 21/41407
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
41Structure of client; Structure of client peripherals
414Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
41407embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
H04N 21/43074
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
4302Content synchronisation processes, e.g. decoder synchronisation
4307Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
43074of additional data with content streams on the same device, e.g. of EPG data or interactive icon with a TV program
H04N 21/4312
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
431Generation of visual interfaces ; for content selection or interaction; Content or additional data rendering
4312involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
H04N 21/4884
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
47End-user applications
488Data services, e.g. news ticker
4884for displaying subtitles
H04N 5/44504
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
5Details of television systems
44Receiver circuitry ; for the reception of television signals according to analogue transmission standards;
445for displaying additional information
44504Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits
Applicants
  • 北京数码超智信息技术有限公司 BEIJING DIGITAL CHAOTEX INFORMATION TECHNOLOGY LTD. [CN]/[CN] (AllExceptUS)
  • 柴洪钧 CHAI, Hongjun [CN]/[CN] (UsOnly)
  • 胡其炜 HU, Qiwei [CN]/[CN] (UsOnly)
  • 曹正德 CAO, Zhengde [CN]/[CN] (UsOnly)
Inventors
  • 柴洪钧 CHAI, Hongjun
  • 胡其炜 HU, Qiwei
  • 曹正德 CAO, Zhengde
Agents
  • 北京市金杜律师事务所 KING & WOOD PRC LAWYERS
Priority Data
Publication Language Chinese (zh)
Filing Language Chinese (ZH)
Designated States
Title
(EN) SYNCHRONOUS CAPTION GENERATING METHOD AND DEVICE THAT CAN BE USED IN PORTABLE DEVICE
(FR) PROCEDE ET DISPOSITIF DE GENERATION SYNCHRONE DE SOUS-TITRES UTILISABLES DANS UN DISPOSITIF PORTABLE
(ZH) 用于便携式设备的同步字幕生成方法和设备
Abstract
(EN) A synchronous caption generating method is disclosed. The method including the following steps: generating the clock signal; looking up the caption data to be displayed on current time according to the timing information represented by the clock signal; determining the color changing state of the caption on current time according to the timing information represented by the clock signal; outputting the caption on the basis of the color changing state and the caption data; synthesizing the final image by superimposing the caption on the main image. The invention also discloses a device for implementing the above synchronous caption generating method. The method and device in the invention can be applied in displaying karaoke caption on a portable device, and involve the advantages of possessing less storage space and processing resources, simple structure and being easy to maintain.
(FR) L’invention concerne un procédé de génération synchrone de sous-titres. Le procédé comporte les étapes consistant à : générer un signal d’horloge ; identifier des données de sous-titres à afficher à un instant donné en fonction des informations de synchronisation représentées par le signal d’horloge ; déterminer l’état de changement de couleur des sous-titres à l’instant donné en fonction des informations de synchronisation représentées par le signal d’horloge ; produire les sous-titres en fonction de l’état de changement de couleur et des données de sous-titres ; synthétiser l’image finale en superposant les sous-titres sur l’image principale. L’invention concerne également un dispositif permettant de mettre en œuvre ce procédé de génération synchrone de sous-titres. Le procédé et le dispositif de l’invention peuvent être appliqués à l’affichage de sous-titres de karaoké sur un dispositif portable et ont l’avantage de nécessiter moins d’espace mémoire et de ressources de traitement, de présenter une structure simple et d’être faciles à gérer.
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