CN101808221A - Subtitle remote control method and system - Google Patents
Subtitle remote control method and system Download PDFInfo
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- CN101808221A CN101808221A CN201010137475A CN201010137475A CN101808221A CN 101808221 A CN101808221 A CN 101808221A CN 201010137475 A CN201010137475 A CN 201010137475A CN 201010137475 A CN201010137475 A CN 201010137475A CN 101808221 A CN101808221 A CN 101808221A
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- 230000011664 signaling Effects 0.000 claims abstract description 8
- 239000011159 matrix material Substances 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 3
- 238000011022 operating instruction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
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- 238000007796 conventional method Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
- H04N7/152—Multipoint control units therefor
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Abstract
The invention discloses a subtitle remote control method and a system, wherein the method comprises the following steps: step 1, a subtitle superposition control module sends a subtitle superposition request message to a certain corresponding terminal according to the operating instructions of an operating personnel; step 2, the terminal receives the subtitle superposition request message, and sends the request message to a corresponding subtitle superposition module on the basis of the destination address of the message; and step 3, the subtitle superposition module analyzes the subtitle superposition request message, and after obtaining the relative information of the subtitle to be superposed, the subtitle superposition module superposes the corresponding subtitle to a video image to be output together. The method provided by the invention realizes the subtitle superposition by controlling signaling, compared with the prior art which adopts an infrared remote control mode, the method has faster control, is particularly suitable for the control of the subtitle superposition of remote terminals, and provides a better solution.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and a system for remotely controlling subtitles.
Background
In a video conference system, the subtitle function is often classified into the following: banner, scroll caption, terminal name, short message, etc., and the attributes of these captions include font size, font color, transparency, scroll mode, display offset, etc. The banner, the roll captions, the longitudinal roll captions and the terminal names are mainly used for sending captions to a home terminal, wherein the home terminal is a terminal directly connected with the control device; the short message is mainly used for sending messages to the conference terminals in the conference. If a subtitle is to be sent to the local terminal, the conventional method is as follows: in the video conference system, terminals are not centrally managed in a conference room, and a user performs subtitle control on the terminals through a remote controller. The structure of the video conference system is shown in fig. 1. A conventional subtitle remote control method is explained based on the system structure diagram, and a specific control flow is shown in fig. 2, and includes the following steps:
step S201, a user initiates a request for sending a subtitle to a terminal through a remote controller.
Step S202, after receiving the message, the infrared module of the terminal analyzes a specific instruction.
And step S203, the infrared module of the terminal transfers the analyzed instruction to a main control in the terminal.
And step S204, the terminal master control sends a request to the subtitle superposition module.
Step S205, the caption superposition module superposes the caption on the local video image and outputs the video image
That is, conventionally, a content to be transmitted is input on a GUI (Graphical User Interface) of a terminal through a remote controller and then a subtitle display request is transmitted, so that a subtitle is superimposed on an image of a home terminal and output; if a user wants to send a caption to other participating terminals while a conference is in progress, the specific implementation principle of the method can be basically consistent with that of the caption superposition of the local terminal by a mode of sending a short message, and the difference is that the caption content is sent to a receiving terminal through signaling, and then the caption superposition is completed at the receiving terminal.
However, the prior art has two disadvantages in implementing the control of the subtitles by the remote controller: firstly, the video conference terminal must be close to the user, and the user can control the video conference terminal through the remote controller, but the terminals are centrally managed under many conditions in the current video conference system, the distance between the human machine and the remote controller is far, and the subtitle control cannot be realized through the remote controller under the conditions. Second, there is often more than one terminal in the video conference system, and for convenience of managing the terminals in a more concentrated manner in physical locations, because the remote controller is universal, if the caption control of a certain terminal is realized through the remote controller, the conference control state of other terminals is interfered, which brings inconvenience to the user.
Disclosure of Invention
The invention provides a method and a system for remotely controlling subtitles, which are used for solving the problem that the prior art cannot well realize the mode of remotely controlling subtitle superposition.
The invention provides a subtitle remote control method, which comprises the following steps:
step 1, a terminal receives a subtitle superposition request message sent by a subtitle superposition console and forwards the request message to a subtitle superposition module;
and 2, the subtitle superposition module analyzes the subtitle superposition request message, acquires subtitle information to be superposed and superposes the subtitle to a video image for output.
In step 1, the subtitle superposition console sends a subtitle superposition request message to the terminal through a socket.
Further, the subtitle superimposition module comprises: the system comprises a caption superposition module of the home terminal and a caption superposition module of the far-end terminal.
Based on the technical characteristics, in the step 1, the terminal receives the caption superposition request message, when the destination address of the request message is identified as a far-end terminal, the caption superposition request message is sent to a Multipoint Control Unit (MCU) connected with the terminal, and the caption superposition request message is sent to a far-end terminal caption superposition module corresponding to the destination address through the MCU.
Further, in the method, the video images output by the subtitle superposition module are distributed to one or more corresponding display devices through a video matrix device for display.
Still further, step 2 is followed by:
step 3, the caption superposition module feeds back caption superposition result information to the terminal;
step 4, the terminal packages the caption superposition result information according to a preset format and then sends the caption superposition result information to the caption superposition console;
and 5, the subtitle superposition console presents the subtitle superposition result information to an operator.
In the method of the present invention, the subtitle superimposition request message includes: caption type, caption content, and caption attributes; wherein,
the subtitle type includes one or more of the following types: banner, scroll caption, longitudinal scroll caption, terminal name and short message;
the subtitle attributes include one or more of the following attributes: font size, font color, transparency, scrolling mode, and display offset.
The invention also provides a caption remote control system, which comprises: the system comprises a subtitle superposition control platform, at least one terminal and a Multipoint Control Unit (MCU);
the caption superposition console is used for sending a caption superposition request message to a corresponding terminal;
the terminal, including: the system comprises a main control module and a subtitle superposition module;
the main control module is used for receiving a subtitle superposition request message and forwarding the request message to a subtitle superposition module of a local terminal or a subtitle superposition module of a far-end terminal;
the caption superposition module is used for analyzing the caption superposition request message, obtaining the information of the caption to be superposed and superposing the caption to a video image for output;
and the MCU is connected with one or more terminals and is used for managing and controlling audio and video data streams of the terminals and carrying out corresponding signaling processing.
And the subtitle superposition console sends a subtitle superposition request message to the terminal through a socket.
Still further, the system further comprises:
and the video matrix device is used for distributing the video images output by the subtitle superposition module to one or more corresponding display devices for display.
Compared with the prior art, the invention has the following beneficial effects:
according to the subtitle remote control method provided by the invention, the superimposition of the subtitles is realized through the control signaling, the control is quicker compared with the infrared remote controller mode adopted in the prior art, and a better solution is provided for particularly carrying out the subtitle superimposition control on a remote terminal;
in addition, the method does not require the physical position and the placing mode of the terminal during operation, and other terminals cannot be influenced when one terminal is controlled, so that the user experience is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of a prior art video conferencing system;
FIG. 2 is a flow chart of a caption remote control method in the prior art;
fig. 3 is a flowchart of a subtitle remote control method provided by the present invention;
fig. 4 is a system structure diagram of an application of the subtitle remote control method provided by the present invention;
fig. 5 is a flowchart of a subtitle remote control method according to an embodiment of the present invention;
fig. 6 is a flowchart of a subtitle remote control method according to a second embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the problem that the mode of remotely controlling subtitle superposition cannot be well realized in the prior art, the invention provides a method and a system for remotely controlling subtitles.
As shown in fig. 3, a flowchart of a subtitle remote control method provided by the present invention specifically includes the following steps:
step S301, the subtitle superposition console sends a subtitle superposition request message to a corresponding terminal.
And the subtitle superposition console preferably sends the subtitle superposition request message to the terminal through a socket.
The subtitle superimposition request message includes: caption type, caption content, and caption attributes; wherein the subtitle type comprises one or more of the following types: banner, scroll caption, longitudinal scroll caption, terminal name and short message; the subtitle attributes include one or more of the following attributes: font size, font color, transparency, scrolling mode, and display offset.
Step S302, the terminal receives the caption superposition request message and sends the request message to the corresponding caption superposition module.
The caption superposition module may be a caption superposition module of the local terminal or a caption superposition module of the remote terminal. Whether the subtitle superposition module is specifically sent to the local end or the remote end can be generally determined according to the destination address of the request message.
And step S303, the subtitle superposition module analyzes the subtitle superposition request message, and after acquiring the information of the subtitle to be superposed, the subtitle is superposed on the video image and output.
The acquired information of the subtitles to be superimposed corresponds to the information contained in the request message, and specifically comprises the subtitle type, the subtitle content and the subtitle attribute.
A preferred embodiment of the present invention is given below with reference to fig. 4 to 6, and further details of the present invention are given in conjunction with the description of the embodiment, so that the present invention can better explain the specific implementation process of the method provided by the present invention.
The first embodiment is as follows:
as shown in fig. 4, a system structure diagram of the application of the subtitle remote control method provided by the present invention is shown. Specifically, the system mainly includes, from the viewpoint of physical layout: control room, computer lab and a plurality of meeting room.
The control room comprises a caption superposition console and a direct interface for executing conference control for a user; in a specific implementation, the subtitle overlaying console can implement its functions through a PC console, and the following embodiments are all implemented by using the PC console.
Preferably, the control room is also provided with a video matrix device for distributing the video images output by the terminals in the control room to the corresponding conference room or conference rooms for video display.
The computer room comprises one or more MCU (multipoint Control Unit) and a plurality of terminals connected with the MCU;
the terminal is used for carrying out signaling interaction with the PC console and processing a request from the PC console;
specifically, the terminal comprises a main control module and a subtitle superposition module; wherein,
the main control module is used for receiving a subtitle superposition request message and sending the request message to a corresponding local subtitle superposition module or a remote subtitle superposition module based on the destination address of the message;
and the caption superposition module is used for analyzing the caption superposition request message, obtaining the information of the caption to be superposed and superposing the caption to the video image for output.
MCU, realize the function of similar server in the video conference system, manage and control the audio and video data stream including coming from the terminal station, and carry on the corresponding retransmission to the meeting control signaling.
And a display is arranged in the conference room and used for outputting images in the video conference system.
Based on the above system structure diagram, the following explains the flow of the subtitle remote control method provided by the present invention, and the method realizes the subtitle superposition control of the local terminal. As shown in fig. 5, the method comprises the following steps:
step S501, an operator sends a caption superposition request message to a main control module of a corresponding terminal through a PC console in a control room.
The corresponding terminal is a home terminal which is directly connected with and communicates with the PC console.
The specific implementation process of the step is as follows: the operator selects the type of the caption to be sent on the PC console and edits the content and the attribute of the caption to be sent; and the PC console application program is packaged into a message which can be identified by the terminal main control module according to the operation of the user on the interface, and the message is sent to the terminal main control module. The PC console preferably sends the request message to the terminal main control module through the socket.
Step S502, the terminal main control module receives the caption superposition request message sent by the PC console through the socket, and when recognizing that the destination address of the message is local, the terminal main control module sends the caption superposition request message to the local caption superposition module.
Step S503, the local subtitle superimposition module receives the subtitle superimposition request message sent by the main control module, parses the subtitle superimposition request message, and controls the encoding and decoding module to perform corresponding subtitle superimposition on the output video image after acquiring the subtitle type, attribute, and content.
Further, the terminal distributes the output video images to the display devices of one or more corresponding conference rooms through the video matrix device for displaying.
Preferably, the method provided by the present invention further comprises an information feedback step:
and step S504, the subtitle superposition module of the local terminal returns the subtitle superposition result information to the terminal main control module.
And the subtitle superposition result information comprises subtitle superposition success response information and subtitle superposition failure response information.
And step S505, after receiving the caption superposition result information of the caption superposition module, the terminal main control module encapsulates the caption superposition result information into a message which can be identified by the PC console and sends the message to the PC console through the socket.
And S506, the PC console displays the received subtitle superposition result information to an operator.
Example two
The embodiment provides a method for remotely controlling subtitles, and the subtitle superposition of a remote terminal is realized through the method. The system structure diagram on which the method is based is the same as that of fig. 4, and the specific implementation process of the method is described in detail below, and as shown in fig. 6, the method comprises the following steps:
and S601, the operator sends a caption superposition request message to the corresponding terminal main control through the PC console in the control room.
The method comprises the following steps: the operator selects the type of the caption to be sent on the PC console and edits the content and the attribute of the caption to be sent; and the PC console application program is packaged into a message which can be identified by the terminal main control module according to the operation of the user on the interface, and the message is sent to the terminal main control module. The PC console preferably sends the request message to the terminal main control module through the socket.
Step S602, the terminal main control module receives the caption superposition request message sent by the PC console through the socket, and when the destination address of the message is identified as the far-end terminal, the caption superposition request message is sent to the MCU connected with the terminal.
The remote terminal is a terminal except for the other terminals which are currently in information interaction with the PC console.
Step S603, after receiving the subtitle superimposition request message sent by the local terminal main control module, the MCU sends the request message to the subtitle superimposition module of the corresponding remote terminal.
Step S604, the subtitle superimposition module of the remote terminal receives the subtitle superimposition request message, parses the subtitle superimposition request message, and controls the encoding and decoding module to perform corresponding subtitle superimposition on the output video image after acquiring the subtitle type, attribute, and content.
Further, the terminal distributes the output video images to the display devices of one or more corresponding conference rooms through the video matrix device for displaying.
Preferably, the method provided by the present invention further comprises an information feedback step:
and step S605, the remote subtitle superposition module returns subtitle superposition result information to the MCU through the main control module of the remote terminal.
And the subtitle superposition result information comprises subtitle superposition success response information and subtitle superposition failure response information.
And step S606, the MCU sends the received caption superposition result information to a terminal main control module of the local terminal.
And step S607, the terminal main control module packages the caption superposition result information into a message which can be identified by the PC console and sends the message to the PC console through the socket.
And step S608, the PC console displays the received caption superposition result information to an operator.
According to the subtitle remote control method provided by the invention, the superimposition of the subtitles is realized through the control signaling, the control is quicker compared with the infrared remote controller mode adopted in the prior art, and a better solution is provided for particularly carrying out the subtitle superimposition control on a remote terminal;
in addition, the method does not require the physical position and the placing mode of the terminal during operation, and other terminals cannot be influenced when one terminal is controlled, so that the user experience is greatly improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A caption remote control method is characterized by comprising the following steps:
step 1, a terminal receives a subtitle superposition request message sent by a subtitle superposition console and forwards the request message to a subtitle superposition module;
and 2, the subtitle superposition module analyzes the subtitle superposition request message, acquires subtitle information to be superposed and superposes the subtitle to a video image for output.
2. The method of claim 1, wherein in step 1, the subtitle superimposition console transmits a subtitle superimposition request message to the terminal through a socket.
3. The method of claim 1, wherein the subtitle superimposition module comprises: the system comprises a caption superposition module of the home terminal and a caption superposition module of the far-end terminal.
4. The method according to claim 3, wherein in step 1, the terminal receives the subtitle superposition request message, and when recognizing that the destination address of the request message is a remote terminal, the terminal sends the subtitle superposition request message to a Multipoint Control Unit (MCU) connected to the terminal, and the MCU sends the subtitle superposition request message to a remote terminal subtitle superposition module corresponding to the destination address.
5. The subtitle remote control method according to claim 1, wherein the video images output by the subtitle superimposition module are distributed to the corresponding one or more display devices for display through a video matrix device.
6. The subtitle remote control method according to claim 1, further comprising, after the step 2:
step 3, the caption superposition module feeds back caption superposition result information to the terminal;
step 4, the terminal packages the caption superposition result information according to a preset format and then sends the caption superposition result information to the caption superposition console;
and 5, the subtitle superposition console presents the subtitle superposition result information to an operator.
7. The subtitle remote control method of any one of claims 1 to 6, wherein the subtitle superimposition request message includes: caption type, caption content, and caption attributes; wherein,
the subtitle type includes one or more of the following types: banner, scroll caption, longitudinal scroll caption, terminal name and short message;
the subtitle attributes include one or more of the following attributes: font size, font color, transparency, scrolling mode, and display offset.
8. A caption remote control system, comprising: the system comprises a subtitle superposition control platform, at least one terminal and a Multipoint Control Unit (MCU);
the caption superposition console is used for sending a caption superposition request message to a corresponding terminal;
the terminal, including: the system comprises a main control module and a subtitle superposition module;
the main control module is used for receiving a subtitle superposition request message and forwarding the request message to a subtitle superposition module of a local terminal or a subtitle superposition module of a far-end terminal;
the caption superposition module is used for analyzing the caption superposition request message, obtaining the information of the caption to be superposed and superposing the caption to a video image for output;
and the MCU is connected with one or more terminals and is used for managing and controlling audio and video data streams of the terminals and carrying out corresponding signaling processing.
9. The subtitle remote control system of claim 8, wherein the subtitle superimposition console transmits a subtitle superimposition request message to the terminal through a socket.
10. The subtitle remote control system according to claim 8, further comprising:
and the video matrix device is used for distributing the video images output by the subtitle superposition module to one or more corresponding display devices for display.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010137475A CN101808221A (en) | 2010-04-01 | 2010-04-01 | Subtitle remote control method and system |
| PCT/CN2010/078616 WO2011120304A1 (en) | 2010-04-01 | 2010-11-10 | Method and system for remotely controlling captions |
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| CN201010137475A CN101808221A (en) | 2010-04-01 | 2010-04-01 | Subtitle remote control method and system |
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| CN101808221A true CN101808221A (en) | 2010-08-18 |
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| CN201010137475A Pending CN101808221A (en) | 2010-04-01 | 2010-04-01 | Subtitle remote control method and system |
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| WO (1) | WO2011120304A1 (en) |
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| WO2011120304A1 (en) * | 2010-04-01 | 2011-10-06 | 中兴通讯股份有限公司 | Method and system for remotely controlling captions |
| WO2013131341A1 (en) * | 2012-03-08 | 2013-09-12 | 中兴通讯股份有限公司 | Mobile terminal video display method and device |
| CN107959817A (en) * | 2016-10-17 | 2018-04-24 | 北京视联动力国际信息技术有限公司 | A kind of caption presentation method and device |
| CN109982027A (en) * | 2019-02-26 | 2019-07-05 | 视联动力信息技术股份有限公司 | A kind of method of adjustment, the device and system of Subtitle Demonstration parameter |
| CN109996034A (en) * | 2013-05-31 | 2019-07-09 | 佳能株式会社 | Client device and its control method and recording medium |
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| WO2011120304A1 (en) * | 2010-04-01 | 2011-10-06 | 中兴通讯股份有限公司 | Method and system for remotely controlling captions |
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| CN109996034A (en) * | 2013-05-31 | 2019-07-09 | 佳能株式会社 | Client device and its control method and recording medium |
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| CN107959817B (en) * | 2016-10-17 | 2019-04-26 | 视联动力信息技术股份有限公司 | A kind of caption presentation method and device |
| CN109982027A (en) * | 2019-02-26 | 2019-07-05 | 视联动力信息技术股份有限公司 | A kind of method of adjustment, the device and system of Subtitle Demonstration parameter |
Also Published As
| Publication number | Publication date |
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| WO2011120304A1 (en) | 2011-10-06 |
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Application publication date: 20100818 |