WO2007079631A1 - Procédé, système et passerelle multimédia permettant d'exécuter une fonction de sous-titrage - Google Patents

Procédé, système et passerelle multimédia permettant d'exécuter une fonction de sous-titrage Download PDF

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Publication number
WO2007079631A1
WO2007079631A1 PCT/CN2006/002488 CN2006002488W WO2007079631A1 WO 2007079631 A1 WO2007079631 A1 WO 2007079631A1 CN 2006002488 W CN2006002488 W CN 2006002488W WO 2007079631 A1 WO2007079631 A1 WO 2007079631A1
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WO
WIPO (PCT)
Prior art keywords
resource
subtitle
media
caption
feature information
Prior art date
Application number
PCT/CN2006/002488
Other languages
English (en)
Chinese (zh)
Inventor
Huangwei Wu
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2007079631A1 publication Critical patent/WO2007079631A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing 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
    • H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing 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
    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
    • H04N21/4307—Synchronising 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
    • H04N21/43074—Synchronising 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 of additional data with content streams on the same device, e.g. of EPG data or interactive icon with a TV program
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/488—Data services, e.g. news ticker
    • H04N21/4884—Data services, e.g. news ticker for displaying subtitles

Definitions

  • the present invention relates to the field of Universal Plug and Play (UPnP) audio video (AV) system technology, and in particular, to a method, a system and a body server for implementing a caption function.
  • UPF Universal Plug and Play
  • AV audio video
  • UPnP is a universal plug-and-play technology for home networks.
  • the complete UPnP service system consists of a UPnP-enabled network and UPnP-compliant devices.
  • UPnP transparently connects PCs, various smart devices and wireless devices, and supports network and peer-to-peer auto-discovery.
  • PCs Peripheral Component Interconnects
  • smart devices devices
  • wireless devices devices that supports network and peer-to-peer auto-discovery.
  • UPnP With the development of digital technology, more and more home devices are beginning to support UPnP technology.
  • UPnP AV system technology users can easily use the media player that supports the UPnP AV system to play media resources on the media server without any configuration.
  • the UPnP AV architecture defined in the existing UPnP device architecture framework specifies the functions that must be supported by devices that conform to the UPnP AV architecture, including the CDS (Content Directory Service) feature.
  • the media server responds to the media player's browsing request via CDS. ';
  • Figure 1 is a block diagram of a media player and a media server, which are connected by a home network and communicate using the UPnP protocol.
  • some formats can directly carry subtitle information.
  • the media player can display the subtitles synchronously on the media if the format and subtitle display are supported.
  • the UPnP AV system needs to display subtitles while playing media resources; the storage and transmission format of the media resource must be required to directly carry the subtitle information format. If the storage or transmission format of the media resource cannot be directly With subtitle information, the function of displaying subtitles synchronously cannot be realized.
  • the present invention provides a method for realizing a caption function, which realizes a function of effectively synchronizing display of subtitles when playing media resources.
  • the invention also provides a media server for realizing the function of subtitles, which realizes the function of effectively synchronizing the display of subtitles when playing media resources.
  • the device also provides a system for realizing subtitle functions, in which the function of playing the media time to simultaneously display subtitles can be realized.
  • a method for implementing a caption function comprising:
  • the media server receives the output media resource sent by the user through the media player, please When the time is up, the body server displays the caption resource specified by the caption resource feature information to the user through the media player.
  • the subtitle resource feature information includes: location information of the subtitle resource, language information of the subtitle resource, and index information of the language in the subtitle file.
  • the subtitle resource is set as the subtitle resource in the media server.
  • the media server retrieves and downloads the local subtitle file as a subtitle resource through the information of the media resource at the remote end.
  • the location in the subtitle resource feature information is the address information of the subtitle file at the remote end.
  • the subtitle resource is established.
  • the feature information can be:
  • the feature information of the caption resource is automatically established by the media server or the feature information of the caption resource is manually input by the user according to the caption resource corresponding to the media resource.
  • the method for the media server to automatically establish the feature information of the caption resource may be: the media server searches for a caption file having the same name as the media resource according to the name of the media resource, and edits the caption resource according to the content attribute of the caption file. Characteristic information.
  • the step ⁇ includes:
  • the B1U media player requests the media server to query the media resource
  • the media server queries the media resource, and includes feature information of the caption resource corresponding to the media resource, and returns the query result to the media player.
  • the caption resource specified by the caption resource feature information is played through the media;
  • the display to the user may be The media player determines the subtitle resource according to the priority of the subtitle resource feature information, and displays the subtitle resource to the user through the media player; or
  • the media server determines the subtitle resource according to the subtitle resource feature information specified by the user, and displays the subtitle source to the user through the media player.
  • a media server implementing a caption function the media server at least comprising: a caption resource feature information module and an interface module;
  • the caption resource feature information module is configured to establish corresponding caption resource feature information for the media resource, and send the information to the interface module;
  • the interface module is configured to send the subtitle resource feature information, receive an externally sent output subtitle resource request, and send the subtitle resource specified by the subtitle resource feature information.
  • the media server may further include: a caption resource storage module and a caption resource search module;
  • the caption resource storage module is configured to save a caption resource corresponding to the media resource;
  • the caption resource search module is configured to retrieve the caption resource at a remote location according to the information of the media resource, and send the downloaded caption resource to the caption Resource storage module;
  • the caption resource feature information module is configured to read a caption resource from the caption resource storage module, and establish caption resource feature information according to the read caption resource.
  • the subtitle resource feature information module may include: a query submodule and a feature information subblock, where
  • the query sub-module is configured to save a correspondence between the media resource and the subtitle resource, and after receiving the media resource information request sent by the interface module, send the subtitle resource feature information request corresponding to the requested media resource to the Characteristic information sub-module;
  • the feature information sub-module is configured to establish subtitle resource feature information, and receive the After the subtitle resource feature information request sent by the query submodule is requested, the requested subtitle resource feature information is sent to the interface module.
  • a system for implementing a caption function comprising: a media player and a media server, wherein
  • the media server is configured to establish a subtitle resource and subtitle resource feature information corresponding to the media resource, and send the subtitle resource feature information to the media player, and receive a request for outputting the subtitle resource sent by the media player, and The media player outputs a caption resource specified by the caption resource feature information;
  • the media player is configured to receive the subtitle resource feature information sent by the media server, and send a request for outputting the subtitle resource to the media server, and receive and play the subtitle resource sent by the media server.
  • the present invention establishes corresponding subtitle resource and subtitle resource feature information for the media resource on the media server, and sends the subtitle resource feature information to the media player.
  • Users can use media resources according to need to choose the right: the subtitles synchronized display, effectively achieve the subtitle function to enhance the user experience, to ensure the reliability of subtitles.
  • Figure: 1 is a connection structure diagram of a prior art media player and a media server
  • FIG. 2 is a schematic overall structural diagram of a subtitle function system and a media server based on the inventive concept
  • FIG. 4 is a structural diagram of a system and a media server for implementing a caption function according to an embodiment of the present invention
  • FIG. 5 is a flowchart of a method for implementing a caption function according to an embodiment of the present invention. Mode for carrying out the invention
  • Benquanming by establishing corresponding subtitle and subtitle resource feature information for the media resource on the media server, so that the user can select the subtitle resource corresponding to the media resource when using the media resource provided by the media server, thereby The subtitle function is implemented.
  • FIG. 2 is a schematic overall flow chart of a method for implementing a caption function based on the inventive concept. As shown in Figure 2, the method includes:
  • Step 201 Establish a subtitle resource and subtitle resource feature information corresponding to the media resource in the media server.
  • Step 202 Send the caption resource feature information obtained in step 201 to the media player. '
  • Step 203 When the user sends a request for outputting a media resource to the media server through the media player, the media server displays the caption resource specified by the caption resource feature information to the user through the media player.
  • Fig. 3 is a schematic overall composition of a system and a media server implementing a caption function based on the inventive concept. As shown in FIG. 3, the system includes a media server 310 and a media player 320.
  • the media server 310 is configured to establish a caption resource and caption resource feature information corresponding to the media resource, and send the caption resource feature information to the media player 320, and further used to connect the output caption resource sent by the media player 320. a request, and output the caption resource specified by the caption resource feature information to the media player 320.
  • the media player 320 is configured to receive the caption resource feature information sent by the media server 310, and send the caption resource feature information to the media server 310.
  • the request for outputting the subtitle resource receives and plays the subtitle resource sent by the media server 310.
  • the media server 310 includes a caption resource feature information 311 module and an interface module 312.
  • the caption resource feature information module 311 is configured to establish feature information of the caption resource for the media resource, and send the information to the interface module 312.
  • the interface module 312 is configured to use the caption resource feature. The information is sent out, and is also used to receive a request for outputting the subtitle resource sent externally, and send the subtitle resource specified by the subtitle resource feature information.
  • FIG. 4 is a specific implementation process of a method for implementing a caption function according to an embodiment of the present invention. As shown in FIG. 4, the method specifically includes:
  • Step 401 The media server establishes corresponding subtitle resources and subtitle resource feature information for the media resource when the media resource is newly added.
  • the subtitle resource corresponding to the media resource may be: the subtitle file existing in the media server is used as the subtitle resource; or the media server may retrieve the subtitle file corresponding to the media resource according to the information of the media resource, The subtitle file is used as the subtitle resource.
  • the media server may further search the subtitle file according to the information of the media resource, and then download the subtitle file to the local as the subtitle resource.
  • the subtitle resource feature information includes: location information of the subtitle resource, language included, index information of the language in the font file, and the like.
  • the caption resource feature information may be automatically created by the media server : or the caption resource feature information is manually input.
  • the subtitle resource information may be directly obtained according to the media resource name, and the subtitle resource feature information is established.
  • the address information is a storage location of the subtitle resource in the media server;
  • the subtitle resource feature information may be established according to the content of the subtitle file, and the address information thereof is also That is, the storage location of the subtitle resource in the media service:
  • the corresponding location information in the subtitle resource feature information may be the subtitle on the Internet.
  • the address information of the file may be the subtitle on the Internet.
  • Ruquan wants to retrieve subtitles from the Internet, it needs to have a server on the Internet that stores subtitle files corresponding to the media resources for retrieval, location and download.
  • Step 402 Determine whether the media player establishes a connection with the media server. If yes, execute step 403 and subsequent steps, otherwise the process ends.
  • Step 403 Determine whether the media player requests the media resource information to be queried, and if yes, execute step 404; otherwise, the process ends.
  • the media player After the media player establishes a connection with the media server, the media player sends a query media resource request to the media server, requesting to obtain the feature information of the media resource on the media server. :
  • Step 404 Determine whether the media server finds the corresponding media resource. If yes, perform step 405 and subsequent steps. Otherwise, the process ends.
  • the media server After receiving the query request, the media server searches for the corresponding media resource, and queries the subtitle resource feature information corresponding to the media resource according to the media resource.
  • Step 405 Provide the query result to the media player.
  • the provided query result includes the subtitle resource feature information corresponding to the media resource, such as the location where the media resource is stored, the size of the media resource, and the subtitle information.
  • Step 406 Determine whether the media player requests to output the media resource, and if yes, execute Step 407 and its subsequent steps, otherwise, the process ends.
  • Step 407 The media server starts to output the media resource requested by the media player to the media player according to the output request of the media player.
  • Step 408 Determine whether the media player requests to output the subtitle resource corresponding to the media resource. If yes, execute step 409; otherwise, end the process.
  • the media player may request to output a subtitle resource corresponding to the media resource according to the subtitle element information in the query result returned by the media server, where the request for outputting the subtitle resource may be sent together with the request for outputting the media resource, or in the output media resource. Before or after the request.
  • Step 409 The media server outputs the subtitle resource corresponding to the media resource, and ends the process.
  • FIG. 5 is a structural diagram of a media server and system for implementing a caption function in an embodiment of the present invention.
  • the system includes: a media server 510 and a media player 320.
  • the media server 510 includes a subtitle resource feature information module 511, a subtitle resource storage module 512, a subtitle resource search module 513, and an interface module 514.
  • the subtitle resource feature information module 511 includes a query submodule 511a and a feature information submodule 511b.
  • the caption resource search module 513 is configured to search for a caption resource corresponding to the media resource on the Internet, and store the caption resource downloaded to the local caption resource storage module 512; the caption resource storage module 512, Saving the word power resource in the media server;
  • the query sub-module 511a is configured to save the correspondence between the media resource and the caption resource, and receive the media resource sent by the interface module 514.
  • the subtitle resource feature information request corresponding to the requested media resource is sent to the feature information sub-module 511b.
  • the feature information sub-module 511b is configured to create the subtitle resource according to the subtitle resource read from the caption resource storage module 5i2. After receiving the subtitle resource feature information request sent by the query submodule 511a, the feature information is sent to the interface module 514.
  • the module 514 is configured to send the caption resource feature information to the media player 320, and further configured to : receive the request for outputting the caption resource sent by the media player 320, and send the caption resource specified by the caption resource feature information to the media player. 320.
  • the media server 510 and the media player 320 can be connected through a home network or other network.
  • the caption resource feature information module is embodied as a query sub-module and a feature information sub-module, and the media server automatically adds the caption resource feature.
  • the function of information if the feature information of the caption resource in the media server is manually input, the feature information sub-module only needs to receive the caption resource feature information sent by the interface module, and store it, without requiring itself. Create subtitle resource feature information.
  • corresponding subtitle resources and subtitle resource feature information are established for the media resource 1.
  • the media server retrieves the corresponding subtitle file on the Internet and downloads it to the local as a subtitle resource.
  • the method for establishing subtitle resource feature information may be:
  • the CDS function is extended by the subtitle attribute defined in the CDS.
  • the subtitle element describes the subtitle resource feature information, which includes information such as the location of the subtitle resource, so as to display the subtitle synchronously. Since elements can have multiple sub-attributes, from the perspective of future scalability, the use of increased subtitle elements is more scalable.
  • a subtitle element is taken as an example.
  • the same media resource may correspond to multiple subtitle elements, such as a subtitle resource, a subtitle file included in each subtitle resource, a translation included in each subtitle file, and each language in each language.
  • the media resource 1 corresponds to two subtitle elements, namely a subtitle element 1 and a subtitle element 2.
  • the subtitle element 1 contains a subtitle file medial_CHNSubtitle.sub, corresponding to one language: French; subtitle element 2 contains two subtitle files medial_ENGSubtMe.sub and medial_ENGSubtitle.idx, corresponding to two languages: Chinese and English.
  • Subtitle element 1. "FRENCH”, indicating the language information of the subtitle element 1 corresponding to the media resource 1, wherein the subtitle file has only one language, corresponding to the French subtitle; Media resource 1.
  • Language. Index 0, indicating index information of the language of the subtitle element 1 corresponding to the media resource 1, which has only one index number;
  • Subtitle elements 1.
  • Language 2. Index 2, media resource 1
  • the corresponding subtitle element 2 is the index information of the language 2, for example, the index number of the English subtitle;
  • the media server sends the caption resource corresponding to the caption resource feature information to the media player for playback according to the user request. If the user does not select the subtitle resource, the subtitle resource with the highest priority may be output according to the priority of the subtitle element; if the user selects the corresponding subtitle resource, the subtitle resource selected by the user is output according to the user's needs.
  • the caption element is used as the feature information of the caption resource as an example.
  • the difference between the subtitle attribute and the subtitle element is the same as the difference between the attribute and the element in the CDS.
  • the subtitle attribute can only have one attribute value belonging to itself, which can represent the position information or language information of the subtitle resource, but a subtitle attribute can only represent the subtitle.
  • a piece of information about a resource, and not a subtitle element, a plurality of pieces of information of a subtitle resource are represented by a subtitle element.
  • multiple subtitle attributes can be set in the CDS to represent a variety of different information for the subtitle resource.
  • the method, the media server and the system of the present invention can implement the caption function in the framework of the UPnP device system, and the user can watch the synchronized subtitles as needed while using the media resources. , improve the user experience, and ensure the reliability of the subtitle display.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

L'invention concerne un procédé permettant d'exécuter une fonction de sous-titrage et consistant: A. à établir, en fonction des ressources multimédia, des ressources de sous-titrage et les informations des caractéristiques des ressources de sous-titrage dans une passerelle multimédia; B. à transmettre les informations des caractéristiques des ressources de sous-titrage à un lecteur multimédia; et C. à afficher, au moyen de la passerelle multimédia, les ressources de sous-titrage désignées par les informations des caractéristiques des ressources de sous-titrage sur le lecteur multimédia pour les utilisateurs, quand la passerelle multimédia reçoit la demande de l'utilisateur d'émission des ressources multimédia transmises par le lecteur multimédia. La fonction de sous-titrage est, par conséquent, exécutée, permettant ainsi aux utilisateurs de visualiser le sous-titrage synchronisé ainsi que le média quand cela est nécessaire, améliorant ainsi l'expérience de l'utilisateur et garantissant la fiabilité de l'affichage du sous titrage. L'invention concerne également une passerelle multimédia et un système permettant de mettre en oeuvre la fonction de sous-titrage. La passerelle multimédia comprend un module des informations des caractéristiques des ressources de sous-titrage et un module d'interface alors que le système comprend la passerelle multimédia et le lecteur multimédia.
PCT/CN2006/002488 2006-01-09 2006-09-22 Procédé, système et passerelle multimédia permettant d'exécuter une fonction de sous-titrage WO2007079631A1 (fr)

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CN200610000713.3 2006-01-09
CNA2006100007133A CN1863278A (zh) 2006-01-09 2006-01-09 一种实现字幕功能的方法及***

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CN102333201B (zh) 2010-07-13 2013-11-06 华为终端有限公司 远程呈现的字幕传输方法、终端及***
CN103369357A (zh) * 2012-03-27 2013-10-23 宏碁股份有限公司 影音播放字幕的***和方法
CN103647979B (zh) * 2013-12-27 2017-03-01 乐视致新电子科技（天津）有限公司 智能电视及其媒体播放器的远程字幕处理方法和装置

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