WO2008055402A1 - Procédé, système, dispositif et boîtier décodeur pour afficher des informations de multiples chaînes sur un même écran - Google Patents

Procédé, système, dispositif et boîtier décodeur pour afficher des informations de multiples chaînes sur un même écran Download PDF

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Publication number
WO2008055402A1
WO2008055402A1 PCT/CN2007/002130 CN2007002130W WO2008055402A1 WO 2008055402 A1 WO2008055402 A1 WO 2008055402A1 CN 2007002130 W CN2007002130 W CN 2007002130W WO 2008055402 A1 WO2008055402 A1 WO 2008055402A1
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WO
WIPO (PCT)
Prior art keywords
channel
mosaic
media stream
received
top box
Prior art date
Application number
PCT/CN2007/002130
Other languages
English (en)
Chinese (zh)
Inventor
Jian Liu
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 WO2008055402A1 publication Critical patent/WO2008055402A1/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]
    • H04N21/20—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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234363—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the spatial resolution, e.g. for clients with a lower screen resolution
    • 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
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/2665—Gathering content from different sources, e.g. Internet and satellite
    • 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
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
    • 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
    • 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
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content

Definitions

  • the present invention relates to the field of digital multimedia, and more particularly to a method, system, device and set top box for displaying multiple channel information in the same picture. Background technique
  • EPG Electronic Program Guide
  • Means generally referred to as Mosaic.
  • the business experience provided by the mosaic is: dividing the display screen into multiple areas, each area independently displaying a program of one channel, the user can watch the programs of each channel in these areas, and select the area corresponding to a certain channel through the remote controller. After clicking, the program of the corresponding channel is viewed in full screen.
  • the mosaic can display the program being played by each channel in real time, providing users with more intuitive and attractive program preview function.
  • the specific implementation of the mosaic is:
  • the set top box simultaneously receives the media stream of each channel program, decodes each media stream, and divides the display screen into multiple regions, for example, ⁇ ⁇ ⁇ regions, each region independently displaying a channel program
  • the set top box combines the contents of the media streams of the plurality of channel programs and simultaneously displays them on the screen, and the user can watch the programs of the respective channels through the small screen of each area. After the user determines the program to be viewed, the channel corresponding to the program is selected by the remote controller. Clicking on the area, the set-top box receives the command input by the user, stops receiving other media streams other than the channel, and plays the program of the channel selected by the user to the user in full screen.
  • the set-top box needs to receive the media streams of multiple channels at the same time, which will lead to the excessive cost of the overall implementation scheme, and the realization of the set-top box is greatly complicated.
  • the set top box In the IPTV network, when implementing a 3 x 3 mosaic service, the set top box needs to receive the media stream at 9 multicast ports, and the decoding chip of the set top box needs to decode the received 9 channels of media streams at the same time. If a channel needs to occupy 1.2 to 2.5 megabits per second (Mbps) of bandwidth, a 3 x 3 mosaic service requires an access bandwidth of 10.8 to 22.5 Mbps, which makes it necessary to implement mosaic services in an IPTV network. More transmission resources.
  • the decoding chip of the set top box can decode the multiple media streams at the same time, and the set top box is required to divide the display screen into regions, and the content of each media stream is combined and displayed on the screen at the same time, so that the complexity of the set top box is very high. High, this will lead to a sharp rise in the cost of the set-top box.
  • the mosaic service does not occupy additional transmission resources, but the mosaic service in the DTV network also needs to be implemented.
  • the set-top box simultaneously receives the multi-channel media stream, and still needs the decoding chip of the set-top box to simultaneously decode the multi-channel media stream, and also needs the set-top box to divide the display screen into regions, and merge the contents of the media streams and display them on the screen, so that The complexity of the set-top box implementation is still very high, resulting in a sharp increase in the cost of the set-top box.
  • the embodiments of the present invention provide a method, a system, a device, and a set-top box for displaying a plurality of channel information in the same screen, which are used to solve the problem of high implementation cost of the mosaic service in the prior art.
  • the system for displaying multiple channel information in the same screen includes: a picture processor, a middleware server, a set top box, and a terminal, where the picture processor is configured to receive multiple channels according to a divided area of the channel.
  • the media stream is assembled, merged into a mosaic media stream, and transmitted to the network;
  • the middleware server is configured to send the maintained mosaic channel information according to the received request;
  • the set top box is configured to receive the user's mosaic service startup command, request Mosaic channel information, and receiving a mosaic media stream from the network according to the received mosaic channel information;
  • the terminal is configured to display the content of the mosaic media stream.
  • the server for displaying multiple channel information in the same screen includes: And the information maintenance unit is configured to maintain each channel information that constitutes the mosaic media stream; the interface generating unit is configured to generate a mosaic transparent control interface according to the channel information and the channel division area And sending the mosaic transparent control interface according to the received request, and each area included in the mosaic transparent control interface includes a channel identifier.
  • the set top box for displaying the plurality of channel information in the same screen includes: an interface processing unit, a decoding chip, and a superimposing unit, wherein the interface processing unit is configured to receive and send a mosaic transparent control interface, where the mosaic is transparent Each area included in the control interface includes a channel identifier; the decoding chip is configured to decode and send the received mosaic media stream; and the superimposing unit is configured to receive the received mosaic transparent control interface and the received mosaic media stream. Stack and send.
  • the method for displaying a plurality of channel information in the same screen provided by the embodiment of the present invention includes: the picture processor assembling the received multi-channel media streams according to the divided areas of the channels, and merging into one mosaic media stream; the set top box receives the mosaic of the user
  • the service initiation command acquires mosaic channel information through interaction with the intermediate server, and then requests the mosaic media stream from the network according to the mosaic channel information, receives the mosaic media stream from the network, and displays the content of the mosaic media stream through the terminal.
  • a picture processor is set in the system, and the picture processor assembles the received multi-channel media streams according to the divided areas of the channels, and merges them into one mosaic media stream; the set top box receives the user's mosaic service start command, and passes the Interacting with the intermediate server to obtain the mosaic channel information, then requesting the mosaic media stream from the network according to the mosaic channel information, receiving the mosaic media stream from the network, and displaying the content of the mosaic media stream through the terminal, so that the media stream of the mosaic service is not implemented.
  • the set top box receives the user's mosaic service start command, and passes the Interacting with the intermediate server to obtain the mosaic channel information, then requesting the mosaic media stream from the network according to the mosaic channel information, receiving the mosaic media stream from the network, and displaying the content of the mosaic media stream through the terminal, so that the media stream of the mosaic service is not implemented.
  • the set-top box does not need to decode the multiple media streams at the same time. Reduces the complexity of set-top box implementation.
  • the set-top box since the assembling and processing of the multi-media media stream is completed in the picture processor located on the network side, the set-top box does not need to assemble the multi-channel media stream and divide and assemble the picture, which also reduces the complexity of the set-top box implementation. Degree, reducing the cost of the set-top box.
  • FIG. 1 is a schematic structural diagram of a system for implementing a mosaic service according to Embodiment 1 of the present invention
  • FIG. 2A is a schematic structural diagram of a middleware server according to Embodiment 2 of the present invention.
  • FIG. 2B is a schematic structural diagram of a middleware server according to Embodiment 3 of the present invention.
  • FIG. 2C is a schematic structural diagram of a middleware server according to Embodiment 4 of the present invention.
  • FIG. 3A is a schematic structural diagram of a set top box according to Embodiment 5 of the present invention.
  • 3B is a schematic structural diagram of a set top box according to Embodiment 6 of the present invention.
  • 3C is a schematic structural diagram of a set top box according to Embodiment 7 of the present invention.
  • FIG. 4 is a flowchart of implementing a mosaic service according to Embodiment 8 of the present invention.
  • FIG. 5 is a flowchart of implementing a mosaic service according to Embodiment 9 of the present invention.
  • FIG. 6 is a flowchart of implementing a mosaic service in Embodiment 10 of the present invention. detailed description
  • FIG. 1 is a schematic structural diagram of a system for implementing a mosaic service according to Embodiment 1 of the present invention.
  • a picture processor is set in a system, where the system further includes at least a middleware server, a set top box, and a terminal, where the picture processor is used.
  • the received multi-channel media streams are assembled according to the divided areas of the channels, merged into one mosaic media stream, and transmitted to the network;
  • the middleware server is configured to send the maintained mosaic channel information according to the received request;
  • the set top box is used to receive the user
  • the mosaic service initiates a command, requests mosaic channel information, and receives a mosaic media stream from the network according to the received mosaic channel information;
  • the terminal is configured to display the content of the mosaic media stream.
  • the divided area information of the channel is information of the area occupied by each channel on the terminal, and may be pre-configured in the picture processor, or may be obtained by the picture processor through interaction with other network entities.
  • the picture processor is a device for inputting multiple media streams and outputting one channel of media streams.
  • the specific processing of the picture processor is to reduce the display screen of each input media stream by a ratio, and then combine the reduced pictures into one.
  • the complete picture, then the media stream of the picture acts as a stream of output media.
  • the middleware server maintains Marseille Channel information, the mosaic channel information includes at least a mosaic media stream to obtain an address, such as a frequency point or a port.
  • the system for implementing the mosaic service further includes an encoder for encoding the mosaic media stream prior to transmitting the mosaic media stream.
  • the middleware server is further configured to maintain channel information constituting the mosaic media stream, generate a mosaic transparent control interface according to the channel information and the divided area of the channel, and send the mosaic transparent control interface according to the received request;
  • the set top box is further used for requesting The mosaic transparent control interface superimposes the received mosaic transparent control interface with the received mosaic media stream;
  • the terminal is further configured to display the mosaic media stream content including the mosaic transparent control interface. Since the control interface is transparent, it does not affect the content of the user watching the mosaic media stream.
  • Each channel information constituting the mosaic media stream includes at least a media stream acquisition address of each channel, such as a frequency point or a port.
  • Each area contained in the control interface contains a channel identifier, that is, each area in the mosaic transparency control interface corresponds to a channel.
  • the Masek transparent control interface can highlight the area of focus.
  • the divided area information of the channel can be pre-configured in the middleware server, or can be obtained by the middleware server through interaction with other network entities, for example, the middleware server obtains channel division information through interaction with the picture processor.
  • the user selects the program to be viewed through the remote controller, that is, the user selects an area where a channel is located through the remote controller, and the mosaic transparent control interface determines the channel identifier corresponding to the area, and sends a switching indication carrying the channel identifier to the set top box, and the set top box is further used for According to the received channel identifier from the mosaic transparent control interface, the network is requested to provide the media stream of the channel, and the content of the received media stream of the channel is displayed in full screen through the terminal.
  • the user can only sign a part of the channel in the actual application, the user can only watch the program provided by the channel with which the contract relationship exists, and for those channels that are not signed, the user does not have the right to watch the program provided by the corresponding channel, therefore, After the user selects the channel that he or she wishes to watch through the mosaic service, it is necessary to check whether the user has the right to watch the program provided by the corresponding channel.
  • two implementation modes are provided, which can be flexibly selected according to actual needs.
  • One implementation is that before the set top box requests the network to provide the media stream of the channel selected by the user, After receiving the channel identifier, the channel identifier is further used to initiate a permission check request of the corresponding channel, and the network channel is requested to provide the media stream of the corresponding channel according to the received channel information; the middleware server is further configured to determine whether the user has the permission according to the received request. After watching the program provided by the corresponding channel, and determining that the user has the right, the corresponding channel information is sent.
  • the set top box receives the user's mosaic service start command, and is further used to initiate a permission check request for each channel that constitutes the mosaic media stream, and stores the received associated channel list, and receives the mosaic transparent control interface.
  • the middleware server is further configured to determine, according to the received request, whether the user has the right to view the channel mappings that constitute the mosaic media stream.
  • 2A is a schematic structural diagram of a middleware server according to Embodiment 2 of the present invention. As shown in FIG.
  • the middleware server includes at least an information maintenance unit and an interface generating unit, where the information maintenance unit is configured to maintain channel information of the mosaic media stream.
  • the interface generating unit is configured to generate a mosaic transparent control interface according to the channel information and the divided area of the channel, and send the mosaic transparent control interface according to the received request, and each area included in the mosaic transparent control interface includes a channel identifier.
  • the middleware server further includes: an authority determining unit and a channel information unit, as shown in FIG. 2B, wherein the right determining unit is configured to check, according to the received request, whether the user has the right to view the channel provided in the request.
  • the program after determining that the user has the right, sends a notification for determining the channel information; the channel information unit is configured to determine and send the channel information according to the received notification.
  • the middleware server further includes: a rights checking unit and a list generating unit, as shown in FIG. 2C, wherein the rights checking unit is configured to check, according to the received request, whether the user has the right to view each of the constituent mosaic media streams.
  • the program provided by the channel determines and transmits a channel that the user has permission; the list generating unit is configured to generate and send the associated channel list according to the received channel.
  • the set top box at least includes: an interface processing unit, a decoding chip, and a superimposing unit, where the interface processing unit is configured to receive and send a mosaic transparent control interface, where Each area included in the mosaic transparent control interface includes a channel identifier; the decoding chip is configured to decode and transmit the received mosaic media stream; The element is used to superimpose and transmit the received mosaic transparent control interface and the received mosaic media stream.
  • the set-top box further includes: a rights requesting unit and a media stream requesting unit, as shown in FIG. 3B, wherein the rights requesting unit is configured to initiate a rights check request of the corresponding channel and send the received channel after receiving the channel identifier.
  • the media stream requesting unit is configured to request the network to provide the media stream of the corresponding channel according to the received channel information.
  • the set top box further includes: a list requesting unit, a list storage unit, and a media stream requesting unit, as shown in FIG. 3C, wherein the list requesting unit is configured to: after receiving the mosaic service start command of the user, initiate a mosaic for the composition a permission check request of each channel of the media stream, and sending the received associated channel list; the list storage unit is configured to store the received associated channel list, and after receiving the channel identifier, determine that the channel is sent in the associated channel list Channel information of the corresponding channel; the media stream requesting unit is configured to request the network to provide the media stream of the corresponding channel according to the received channel information.
  • the list requesting unit is configured to: after receiving the mosaic service start command of the user, initiate a mosaic for the composition a permission check request of each channel of the media stream, and sending the received associated channel list
  • the list storage unit is configured to store the received associated channel list, and after receiving the channel identifier, determine that the channel is sent in the associated channel list Channel information of the corresponding channel
  • a picture processor is set in the system, and the picture processor assembles the received multi-channel media streams according to the divided areas of the channels, and merges them into one mosaic media stream; the set top box receives the mosaic service of the user.
  • the command acquires mosaic channel information through interaction with the intermediate server, and then requests the mosaic media stream from the network according to the mosaic channel information, receives the mosaic media stream from the network, and displays the content of the mosaic media stream through the terminal.
  • the picture processor is a device for inputting multiple media streams and outputting one channel of media streams.
  • the specific processing of the picture processor is to reduce the display screen of each input media stream by a ratio, and then combine the reduced pictures into one.
  • the complete picture, then the media stream of the picture acts as a stream of output media.
  • FIG. 4 is a flowchart of implementing a mosaic service according to Embodiment 8 of the present invention. As shown in FIG. 4, the process of implementing a mosaic service includes the following steps:
  • Step 401 to step 403 The picture processor assembles the received multi-channel media streams according to the divided areas of the channels, merges them into one mosaic media stream, and sends the mosaic media stream to the encoder.
  • the encoder encodes the received mosaic media stream and then transmits the encoded mosaic media stream to the network.
  • Step 404 to step 405 Configuring, on the middleware server, channel information, a channel division area, and mosaic channel information of the mosaic media stream, and the middleware server generates a mosaic transparent control interface according to the channel division area, where the mosaic transparent control interface is
  • Each of the included regions contains a channel identifier, that is, each region in the mosaic transparent control interface corresponds to one channel.
  • the mosaic channel information includes at least a mosaic media stream acquisition address, such as a frequency point or a port; each channel information constituting the mosaic media stream includes at least a media stream acquisition address of each channel, such as a frequency point or a port.
  • the divided area of the channel can also be obtained by the middleware server through interaction with other network entities, such as the middleware server obtaining the channel division information through interaction with the picture processor.
  • Step 406 to step 408 After receiving the command for starting the mosaic service, the set-top box requests the mosaic channel information and the mosaic transparent control interface to the middleware server. After receiving the request from the set-top box, the middleware server returns the mosaic channel information and the mosaic transparent control interface to the set-top box.
  • Step 409 to step 411 The set top box requests the mosaic media stream from the network according to the received mosaic channel information, and then decodes the received mosaic media stream, and superimposes the decoded mosaic media stream and the received mosaic transparent control interface.
  • the mosaic media stream content including the mosaic transparent control interface is displayed on the terminal. Since the control interface is transparent, it does not affect the user's viewing of the mosaic media stream.
  • the mosaic transparent control interface can highlight the area where the focus is located.
  • Step 412 The user selects a program to be viewed through the remote controller, that is, the user selects an area where a channel is located by using a remote controller, and the mosaic transparent control interface determines a channel identifier corresponding to the area, and sends a switching instruction carrying the channel identifier to the set top box.
  • Step 413 to step 414 After receiving the handover indication, the set-top box requests the media stream of the corresponding channel to the network, decodes the received media stream of the corresponding channel, and displays the decoded media stream content on the terminal.
  • the middleware server maintains the channel information that constitutes the mosaic media stream
  • the set top box further obtains more information related to the corresponding channel by interacting with the middleware server before requesting the media stream of the corresponding channel from the network. To better provide users with the media stream of the corresponding channel.
  • steps 401 to 403 and steps 404 to 405 have no obvious time sequence in execution, and in steps 404 to 405, steps 401 to 403 are always performed, and Steps 401 to 403 are also always performed during the processing of steps 406 to 414. That is, the picture processor provides a mosaic media stream to the encoder in real time, and the received mosaic media stream is encoded by the encoder.
  • FIG. 5 is a flowchart of implementing the mosaic service in the ninth embodiment of the present invention. As shown in FIG. 5, the process of implementing the mosaic service in the first embodiment includes the following steps:
  • Steps 501 to 512 are the same as steps 401 to 412.
  • Step 513 to step 515 After receiving the handover indication, the set top box sends a channel switching request to the middleware server, where the channel switching request carries the channel identifier. After receiving the channel switching request, the middleware server checks whether the user has the right to view the program provided by the channel corresponding to the channel identifier, and determines that the user has the right to send the channel information to the set top box. If the middleware server determines that the user does not have permission, it ends the current process directly.
  • FIG. 6 is a flowchart of implementing the mosaic service in the tenth embodiment of the present invention. As shown in FIG. 6, the process of implementing the mosaic service in the second embodiment includes the following steps:
  • Steps 601 to 608 are the same as steps 401 to 408.
  • Step 609 to step 611 The set top box requests the associated channel list from the middleware server, and requests the middleware server to perform permission check on the user for each channel constituting the mosaic media stream, and provides information of the corresponding channel that the user has permission to watch.
  • the middleware server checks the rights of the user for each channel that constitutes the mosaic media stream, determines the channel that the user has the right to watch, and generates the associated channel list by the information of the channel that the user has the right to watch, and provides the set to the set top box.
  • the associated channel list, the set top box stores the received associated channel list.
  • Steps 607 to 608 and steps 609 to 611 have no obvious time sequence in execution, and may be executed simultaneously. Steps 607 to 608 may be performed first, and then steps 609 to 611 may be performed. Steps 609 to 611 may also be performed first. 611, then perform steps 607 to 608.
  • Steps 612 to 615 are the same as steps 409 to 412.
  • Step 616 to step 618 After receiving the handover indication, the set-top box determines that the channel identifier is in the associated channel list, and requests the media stream of the corresponding channel to the network according to the information of the corresponding channel in the associated channel list, and the received media stream of the corresponding channel. Decoding is performed to display the decoded media stream content on the terminal. If the set top box determines that the channel identification is not in the associated channel list, the current process is directly ended.
  • the media stream of the set top box requesting the network providing channel may be: the set top box requests a business management system (BMS) to create a session, the BMS creates a session and allocates various network and system resources, and the BMS applies to the media server to allocate asset resources,
  • BMS business management system
  • the asset scheduling and media stream play preparation the set top box requests the media server to play the media stream through the media stream control protocol interface, receives the media stream, and displays the media stream to the user through the terminal.
  • a picture processor is set in the system, and the picture processor assembles the received multi-channel media streams according to the divided areas of the channels, and merges them into one mosaic media stream; the set top box receives the user's mosaic service start command, and passes the Interacting with the intermediate server to obtain the mosaic channel information, then requesting the mosaic media stream from the network according to the mosaic channel information, receiving the mosaic media stream from the network, and displaying the content of the mosaic media stream through the terminal, so that the media stream of the mosaic service is not implemented.
  • the set top box receives the user's mosaic service start command, and passes the Interacting with the intermediate server to obtain the mosaic channel information, then requesting the mosaic media stream from the network according to the mosaic channel information, receiving the mosaic media stream from the network, and displaying the content of the mosaic media stream through the terminal, so that the media stream of the mosaic service is not implemented.
  • the set top box does not need to decode the multiple media streams at the same time, which reduces the complexity of the implementation of the set top box.
  • the set-top box since the assembly and image processing of the multi-media media stream is completed in the screen processor located on the network side, the set-top box does not need to assemble the multi-channel media stream and divide and assemble the screen, which also reduces the implementation of the set-top box.
  • the complexity reduces the cost of the set-top box. Therefore, according to the solution provided by the embodiment of the present invention, the implementation cost of the mosaic service can be greatly reduced.
  • the spirit and scope of the invention Thus, it is intended that the present invention cover the modifications and the modifications of the invention.

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  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

L'invention concerne un procédé, un système, un dispositif et un boîtier décodeur pour afficher des informations de multiples chaînes sur un même écran dans le domaine du multimédia numérique. Un processeur de trames combine de multiples flux multimédias de réception à un flux multimédia en mosaïque selon les zones de division des chaînes; un boîtier décodeur reçoit les commandes des utilisateurs pour initier un service en mosaïque, obtient les informations de chaînes en mosaïque par la communication avec un serveur intermédiaire, demande le flux multimédia en mosaïque à partir du réseau selon les informations de chaîne en mosaïque, reçoit le flux multimédia en mosaïque pour le réseau, et affiche le contenu du flux multimédia en mosaïque par des terminaux. Pour mettre en œuvre les services en mosaïque, le flux multimédia n'est pas multiple mais unique, par conséquent, il ne lui est pas nécessaire d'utiliser beaucoup de la source de transmission pour le réseau dont la source de transmission augmente avec l'augmentation des flux multimédias. En outre, le boîtier décodeur n'a pas besoin de décoder de multiples flux multimédias simultanément, permettant ainsi une complexité et un coût inférieurs.
PCT/CN2007/002130 2006-11-09 2007-07-12 Procédé, système, dispositif et boîtier décodeur pour afficher des informations de multiples chaînes sur un même écran WO2008055402A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610138589.7 2006-11-09
CNB2006101385897A CN100515056C (zh) 2006-11-09 2006-11-09 在同一画面中显示多个频道信息的方法、系统、装置及机顶盒

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WO2008055402A1 true WO2008055402A1 (fr) 2008-05-15

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