WO2013166767A1 - 一种切换电视广告的方法和系统 - Google Patents

一种切换电视广告的方法和系统 Download PDF

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Publication number
WO2013166767A1
WO2013166767A1 PCT/CN2012/077572 CN2012077572W WO2013166767A1 WO 2013166767 A1 WO2013166767 A1 WO 2013166767A1 CN 2012077572 W CN2012077572 W CN 2012077572W WO 2013166767 A1 WO2013166767 A1 WO 2013166767A1
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WIPO (PCT)
Prior art keywords
module
top box
television
channel
instruction
Prior art date
Application number
PCT/CN2012/077572
Other languages
English (en)
French (fr)
Inventor
冯林
Original Assignee
Feng Lin
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
Priority claimed from CN201210152741.2A external-priority patent/CN103379376B/zh
Application filed by Feng Lin filed Critical Feng Lin
Publication of WO2013166767A1 publication Critical patent/WO2013166767A1/zh

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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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/44016—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for substituting a video clip
    • 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
    • H04N21/482—End-user interface for program selection
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/812—Monomedia components thereof involving advertisement data

Definitions

  • the present invention is in the field of wireless communication technologies, and relates to a method and system for switching television advertisements. ⁇ Background technique ⁇
  • existing television programs receive television programs to receive digital signals transmitted by broadcast and television companies through set-top boxes, and after decoding, send analog signals to televisions.
  • the set-top box is also controlled by the remote control TV.
  • the serial number of the program can also be edited by the remote control.
  • the favorite programs can be programmed in the first group number, and other programs can be programmed in another.
  • the body of the set-top box is also provided with a button for the candidate set-top box to play the television when the remote controller is unable to work normally, the television signal is a streaming media signal transmitted from the broadcast television company through the coaxial cable, and the television station mainly plays through the cable.
  • the machine itself In order to enable people to accurately switch to the original channel for watching TV programs after the commercial insertion is completed, the machine itself cannot be controlled because it cannot accurately know the time and timing of the TV station's commercial insertion, only by means of the remote control system. It can be done through a remote server.
  • the remote server must control multiple home TVs or set-top boxes to maximize efficiency. To control multiple home TVs or set-top boxes through the server, you must know the address of each TV or set-top box. At the same time, you need to know the content of the TV program that is being played by each TV or set-top box.
  • the prior art all sets a module in a set top box or a television set for acquiring the content information of the television program that the user is watching, and then transmitting the content information of the television program viewed by the user through the network to the technology, which needs to be on the television or
  • the set-top box is preset at the factory, and the network communication module needs to be set.
  • this technology is very difficult for ordinary set-top boxes or TVs (no such modules and network modules) that are commonly used on the market.
  • the method for obtaining the content information of the television program that the user is watching has an audio and video signal that analyzes the content of the television program that the user is watching, and compares the signal with the audio and video signals played by the server at this time. Out, this technology is costly and difficult to promote.
  • the object of the present invention is to solve the problems of the prior art and to propose a method and system for switching television advertisements.
  • the infrared remote control interface is used to facilitate people to control the TV or set-top box through the remote control. If we set a receiver side by side in the set-top box or the infrared signal receiving port of the TV, the infrared control signal of the remote controller can be obtained in the set-top box or the TV.
  • the receiver can also acquire the infrared control signal of the remote controller, and the receiver can also decode the infrared control signal sent by the remote controller, and then the infrared control signal can be reversely compiled to the control command of the television or the set top box.
  • the receiver In order to decode the infrared control signal, we must know the model of the user's TV or set-top box, because the model of the TV or set-top box corresponds to the machine code in the infrared control signal encoding.
  • the change of the command includes using the numeric key to change the station, and also includes using the direction key to change the stage,
  • the TV channel that the TV set-top box or the set-top box receives from the receiver may not be inconsistent after the channel change. Therefore, it is necessary to keep the set-top box or the television set consistent with the TV channel that the receiver stays at the beginning of the channel selection.
  • the association between the TV channel and the TV station comes from the TV channel list, so it is also necessary to make the TV channel list in the set top box consistent with the TV channel list in the receiver. If at which time each TV channel plays a program, it is known in the server, so that the switching of the user's TV channel can be controlled accordingly to achieve the purpose of avoiding the advertisement. However, due to people's editing of the program and people pressing the button on the TV or set-top box, the order is changed. (Because the initial channel number is not known, when people use the arrow keys to select the station, they will not be able to accurately view the video. The television program is inconsistent with the television program selected by the user and received by the receiver. Therefore, the above problem is solved. We have proposed the following method and system for switching television advertisements.
  • the method and system of advertising also includes a method and system for switching television advertisements by controlling a television set.
  • the present invention provides a method for switching a television advertisement, the method comprising the steps of: receiving an control signal sent by a remote controller to a set top box through an infrared receiving module, and acquiring the control Signaling, and parsing the control signal into a manipulation command according to a machine code of the locally stored set top box; after acquiring a power-on command sent by the remote controller to the set-top box, locally generating an instruction to initialize the TV channel, and transmitting the instruction to the set-top box through the infrared transmission module An instruction to initialize a television channel;
  • the server obtains an instruction for switching the television channel and sends the instruction to the network module, and compiles the instruction of switching the television channel into the switching television according to the machine code of the locally stored set top box.
  • the control signal of the channel is forwarded to the set top box through the infrared transmitting module;
  • the server At the end of the interstitial advertisement, the server generates an instruction to return to the television channel and delivers the control signal to the network mode channel and forwards it to the set top box through the infrared transmitting module.
  • the method for initializing a television channel includes: randomly selecting any television channel serial number or randomly selecting a television channel identified with a "user likes a television channel" tag.
  • the network module is a WiFi module, and the WiFi module is connected to a home wireless WiFi router.
  • the WiFi module is further configured to establish a communication link with a computer in the same local area network, the computer obtains the machine code of the set top box input by the user from the browser of the computer, and sends the machine code of the set top box to the WiFi module, and the WiFi module sets the set top box The machine code is stored.
  • the network module further includes a Bluetooth module, the Bluetooth module is further configured to establish a Bluetooth communication link with a Bluetooth terminal, the Bluetooth terminal acquires a machine code of the set top box input by the user, and sends the machine code of the set top box to the Bluetooth module. , store the set-top box machine code received by the Bluetooth module.
  • the instruction for initializing the TV channel list is locally generated, and the instruction for initializing the TV channel list is sent to the set top box through the infrared transmitting module; meanwhile, the WiFi module obtains the machine code of the set top box from the server. Match the initial list of TV channels and store the initial list of TV channels.
  • the infrared receiving module is further configured to receive an instruction to edit a television channel list, combined with the initial electrical video
  • the track list and the command to edit the TV channel list update the TV channel list and store the new TV channel list.
  • the present invention provides a system for switching television advertisements, the system comprising: a control converter and a server, the control converter comprising an infrared receiving module, an infrared transmitting module, a network module, a storage module, and a processing module,
  • the infrared receiving module is configured to receive a control signal sent by the remote controller to the set top box, the processing module acquires the control signal, and parses the control signal into a manipulation command according to a machine code of the set top box stored in the storage module;
  • the processing module After obtaining the power-on command sent by the remote controller to the set-top box, the processing module generates an instruction to initialize the electric video channel, and sends an instruction to initialize the television channel to the set-top box through the infrared transmitting module;
  • the processing module is further configured to send the television station name of the television station selected by the user to the remote server according to the network module of the control converter pre-stored in the storage module;
  • the server obtains the time information of the interstitial advertisement of the television station.
  • the server When the interstitial advertisement is started, the server generates an instruction for switching the television channel and sends the instruction to the network module, and the processing module combines the machine code of the set top box stored in the storage module to switch the television channel.
  • the instructions are compiled into a control signal for switching the television channel and forwarded to the set top box through the infrared transmitting module;
  • the server At the end of the interstitial advertisement, the server generates an instruction to return to the television channel and sends it to the network module to compile a control signal for returning to the television channel and forward it to the set top box through the infrared transmitting module.
  • the network module is a WiFi module, and the WiFi module is connected to a home wireless WiFi router.
  • the WiFi module is further configured to establish a communication link with a computer in the same local area network, and the computer obtains a user input from a browser of the computer.
  • the machine code of the set top box sends the machine code of the set top box to the WiFi module, and the WiFi module stores the machine code of the set top box in the storage module.
  • the network module further includes a Bluetooth module, the Bluetooth module is further configured to establish a Bluetooth communication link with a Bluetooth terminal, the Bluetooth terminal acquires a machine code of the set top box input by the user, and sends the machine code of the set top box to the Bluetooth module.
  • the processing module stores the set top box machine code received by the Bluetooth module in the storage module. After the machine code of the set top box is stored in the storage module, the processing module of the control converter generates an instruction to initialize the TV channel list, and the instruction for initializing the TV channel list is sent to the set top box through the infrared transmitting module; meanwhile, the WiFi module is slaved from the server The initial TV channel list matching the machine code of the set top box is obtained and the initial TV channel list is stored in the storage module.
  • the infrared receiving module is further configured to receive an instruction to edit a television channel list, and the processing module updates the television channel list by combining the initial television channel list with the edit point channel list instruction, and stores the new electrical video channel list in the storage module.
  • the obtaining time information for starting the commercial insertion when the television station plays the television program and obtaining the time information for ending the commercial insertion of the television station are obtained by acquiring the programming schedule of the television station, or by acquiring the artificial trigger signal.
  • the invention can realize the control of the set top box through the remote server only by adding a control converter without changing the existing set top box.
  • the method is simple, the structure is also very simple, the cost is low, and the upgrade and promotion are easy.
  • the present invention can obtain the user's viewing more accurately by sending an instruction to initialize the TV channel to the set-top box through an infrared transmitting module after obtaining the power-on command issued by the remote controller to the set-top box.
  • the serial number of the TV channel, the method of the single, the same cost is cheaper.
  • the control converter of the present invention When the control converter of the present invention is used for the first time, the identification code of the set top box needs to be selected, and the set-top box of different brands and models can be controlled differently by controlling the converter, so that the processing cost and the use cost are low, on the other hand, it is through
  • the TV channel list is initialized when first used, so that the user can select the TV channel number selected by the user after editing the TV channel list.
  • the control converter can compile the infrared channel selection command of the user remote controller into the user's selected TV channel number instruction.
  • Establishing a Bluetooth communication link through a terminal having a Bluetooth module and a control converter, and transmitting a selection of the set top box identification code to the control converter and transmitting a control channel selection command to the set top box through the control converter is to utilize Bluetooth communication to communicate one-to-one.
  • the utility model utilizes the characteristics that the existing portable Bluetooth intelligent terminal is popular, and has the advantages of the operation method and the low cost.
  • the time information of the TV station in the remote server is started to be sent to the control converter, and the machine code of the set top box, the initial TV channel list and the updated TV channel list are stored in the storage module of the control converter.
  • control commands to the set top box are separately completed by the control converter, which reduces the burden on the server to process data, and also reduces the bandwidth occupation and improves the control speed.
  • sending the name of the TV station selected by the user to the server facilitates the server to statistically analyze the TV program that the user frequently watches, thereby providing assistance for switching to which TV channel, and enabling the switched TV channel to conform to the viewing of the person. habit.
  • the present invention utilizes a very simple method and a very low cost to realize a technology for automatically switching television advertisements on an existing set top box or a television set, which has a wide range of applications and is relatively easy to commercialize.
  • FIG. 1 is a flow chart of a method for automatically switching a television advertisement in a normal use state of the present invention
  • FIG. 2 is a flowchart of a method for initializing a television channel list according to Embodiment 1 of the present invention
  • FIG. 3 is a flowchart of a method for initializing a TV channel list according to Embodiment 2 of the present invention.
  • FIG. 4 is a structural block diagram of a system for automatically switching television advertisements according to Embodiment 1 of the present invention.
  • FIG. 5 is a structural block diagram of a system for automatically switching television advertisements according to Embodiment 2 of the present invention.
  • the present invention provides a method for automatically switching television advertisements. As shown in FIG. 1, the method includes the following steps:
  • S1 receiving, by an infrared receiving module, a control signal sent by the remote controller to the set top box; the infrared receiving module is a component of the control converter, and the control converter is placed in the set top box
  • the infrared receiving head of the infrared receiving module is juxtaposed with the infrared receiving head of the set top box. While the infrared receiving head of the set top box can receive the infrared signal of the remote controller, the infrared receiving module can also receive the infrared signal of the remote controller.
  • the infrared control signal of the remote controller can be interpreted into a manipulation command as long as the set-top box decodes the infrared control signal in a manner consistent with the decoding mode of the infrared control signal by the server. Copy the decoding key of the set-top box to the server.
  • the "instruction to initiate the TV channel transmission to the set top box through the infrared transmitting module” is: transmitting, by the infrared transmitting module, an instruction to randomly select any television channel serial number to the set top box.
  • the "instruction to transmit the initial TV channel to the set top box through the infrared transmitting module” may also be: sending, by the infrared transmitting module, an instruction to select a television channel number of the user's favorite to the set top box. Any TV channel that the user likes can be obtained by obtaining an instruction for the user to set a favorite TV channel, or by analyzing the number of the TV channel that the user often watches.
  • S4 acquiring a channel selection command sent by the remote controller, and finding a name of the television station corresponding to the serial number of the television channel according to the list of television channels stored in advance locally;
  • the channel selection command includes an instruction to directly select a TV channel number, an instruction to select a previous channel and a next channel through a direction key, and an instruction to return to a television channel. If you select the previous channel and the next channel through the arrow keys, you must know the TV channel number before the selection, in order to know the selected TV channel serial number; if you return to the TV channel, you must also know the TV channel serial number before the selection, in order to know the selected TV channel serial number. Therefore, it is very important to initialize the TV channel every time it is turned on and to initialize the TV channel list when it is first used, so that the name of the TV station selected by the user can be accurately known.
  • the WiFi module can also be replaced by other network modules, such as a wired network module and a mobile communication module.
  • the WiFi module which is due to At present, home wireless WiFi routers are popular, so the use of WiFi modules for network communication is relatively convenient and the cost is relatively low. Since the server receives the control signals sent by multiple WiFi modules at the same time, it is necessary to distinguish the control signals sent by each WiFi module by using the physical address of the WiFi module.
  • Each set top box corresponds to a control converter, and each control converter has a WiFi module, so the physical address of the WiFi module can be used to determine which set top box remote control the control signal comes from.
  • the time information that the TV station starts to insert the TV advertisement can be obtained by the following two methods:
  • the TV station's program broadcast schedule is in the hands of the viewer, the need to provide it may result in problems that may be untimely or difficult to obtain, and the TV station may intentionally randomly adjust the program in order to avoid the advertisement of the TV station being switched.
  • the broadcast time so it is necessary to manually obtain the moment when the TV station inserts the TV commercial. Obtaining the staff
  • the trigger signal that presses the button when the TV station starts to insert the advertisement can know that the TV station is inserting the advertisement.
  • the time information at which each television station ends the insertion of the television advertisement can also be obtained by the above two methods.
  • the machine code of the set-top box is added to the infrared control signal of the remote control, and the control conversion is performed.
  • the device does not have the function of overwriting, so it is necessary to add the machine code of the set-top box in the server to initialize the TV channel, and the set-top box can re-decode the control signal to identify.
  • the control converter is actually a control box.
  • the control box is provided with an infrared transmitting module and an infrared receiving module.
  • the infrared ports of the infrared transmitting module and the infrared receiving module are located on the front panel of the control box, that is, the infrared transmitting module and the infrared receiving module.
  • the infrared ports of the module are arranged side by side with the infrared port of the set-top box. As long as the infrared signal of the infrared transmitting module is strong enough, the infrared signal of the infrared transmitting module is still indoors. It is possible to reach the set-top box by reflection.
  • the server At the end of the interstitial advertisement, the server generates an instruction to return to the TV channel and delivers the instruction to the WiFi module; returns a control signal of the TV channel and forwards the signal to the set top box through the infrared transmitting module.
  • the method of initializing the video channel list includes:
  • T1 establishing a communication link between the computer and the WiFi module in the same local area network as the WiFi module;
  • T2 the computer acquires the machine code of the set top box input by the user from the browser of the computer and sends the machine code of the set top box to the WiFi module;
  • T3 the WiFi module receives the machine code of the set top box and stores the memory in the local storage module; T4: locally generates an instruction to initialize the TV channel list after the machine code of the set top box is stored locally;
  • T5 The instruction for initializing the TV channel list is sent to the set top box through the infrared transmitting module;
  • T6 The WiFi module acquires an initial electric video channel list matching the machine code of the set top box from the server and stores the initial television channel list.
  • the infrared receiving module is further configured to receive an instruction to edit the television channel list, update the television channel list in combination with the initial video channel list and the edit point channel list instruction, and store the new television channel list.
  • the embodiment further provides a system for automatically switching television advertisements, the system comprising:
  • the control converter 11 includes an infrared receiving module 111, an infrared transmitting module 112, a WiFi module 113, a storage module 114, and a processing module 115, and the infrared receiving module 111 is configured to receive the remote controller 13 a control signal sent by the set top box 14, the processing module 115 acquires the control signal, and according to the machine code of the set top box stored in the storage module 114 The control signal is parsed into a manipulation command;
  • the processing module 115 After obtaining the power-on command issued by the remote controller 13 to the set-top box 14, the processing module 115 generates an instruction to initialize the television channel, and sends an instruction to initialize the video channel to the set-top box 14 through the infrared transmitting module 112;
  • the WiFi module 113 of the control converter is further configured to send the name of the television station of the television station selected by the user to the remote server 12;
  • the server 12 obtains the time information of the interstitial advertisement of the television station.
  • the server 12 When the interstitial advertisement is started, the server 12 generates an instruction to switch the TV channel and sends the instruction to the WiFi module 113.
  • the processing module 115 combines the machine code of the set top box stored in the storage module 114.
  • the instruction to switch the TV channel is compiled into a control signal for switching the TV channel and forwarded to the set top box through the infrared transmitting module 112;
  • the server 12 At the end of the interstitial advertisement, the server 12 generates an instruction to return the TV channel and sends it to the WiFi module 113.
  • the processing module 115 compiles the instruction to return the TV channel into the return TV channel in combination with the machine code of the set top box stored in the storage module 114.
  • the control signal is forwarded to the set top box through the infrared transmitting module.
  • the system also includes a computer 15 for establishing a communication link with the WiFi module 113 in the same local area network as the computer, and the computer 15 acquires the user to store the machine code of the set top box from the browser block 113 of the computer 15 in the storage.
  • a computer 15 for establishing a communication link with the WiFi module 113 in the same local area network as the computer, and the computer 15 acquires the user to store the machine code of the set top box from the browser block 113 of the computer 15 in the storage.
  • the processing module 115 of the control converter After the machine code of the set top box is stored in the storage module 114, the processing module 115 of the control converter generates an instruction to initialize the TV channel list, and the instruction for initializing the TV channel list is sent to the set top box 14 through the infrared transmitting module 112;
  • the WiFi module 113 obtains from the server 12 an initial list of television channels that match the machine code of the set top box and stores the initial list of television channels in the storage module 114.
  • the initial TV channel list for the same brand and model set-top box is the same.
  • the infrared receiving module 111 is further configured to receive an instruction to edit a TV channel list, and the processing module
  • the television channel list is updated in conjunction with the initial television channel list and the edit point channel list command, and the new television channel list is stored in the storage module 114.
  • the method of initializing the TV channel list includes:
  • the network module further includes a Bluetooth module, the Bluetooth module is further configured to establish a Bluetooth communication link with a Bluetooth terminal, the Bluetooth terminal acquires a machine code of the set top box input by the user, and sends the machine code of the set top box to the Bluetooth module. , storing the set-top box machine code received by the Bluetooth module
  • a Bluetooth module locally connected to the WiFi module establishes a Bluetooth communication link with a Bluetooth terminal
  • the Bluetooth terminal acquires a machine code of the set top box input by the user, and sends the machine code of the set top box to the Bluetooth module;
  • P3 storing the set-top box machine code received by the Bluetooth module
  • P5 The instruction for initializing the TV channel list is sent to the set top box through the infrared transmitting module;
  • P6 the WiFi module acquires an initial electric video channel list matching the machine code of the set top box from the server and stores the initial television channel list.
  • the control converter 11 further includes a Bluetooth module 11 6.
  • the system further includes a Bluetooth terminal 16, and the Bluetooth module 116 is further configured to establish a Bluetooth with a Bluetooth terminal 16. a communication link, the Bluetooth terminal 16 acquires a machine code of the set top box input by the user, and sends the machine code of the set top box to the Bluetooth module 117.
  • the processing module 115 stores the set top box machine code received by the Bluetooth module 116 in the storage module. 114.
  • the processing module 115 of the control converter After the machine code of the set top box 14 is stored in the storage module 114, the processing module 115 of the control converter generates an instruction to initialize the TV channel list, and the instruction for initializing the TV channel list is sent to the set top box 14 through the infrared transmitting module 112;
  • the WiFi module 113 retrieves from the server 12 an initial list of television channels that match the machine code of the set top box 14 and stores the initial list of television channels in the storage module 114.
  • the control converter needs to be placed next to the set-top box to make the remote control to the top of the set.
  • the box transmits an infrared control signal
  • the infrared control signal can also be received by the infrared receiving module of the control converter.
  • the infrared receiving port of the set top box and the infrared receiving port of the control converter are placed side by side, but since the control converter does not need to be moved, the control converter can be directly connected to the mains power supply by the power converter, which can avoid frequent charging.
  • the infrared transmitting module can also be provided with permanent high-power electric energy, and the infrared light emitted by the infrared transmitting module of the control converter can be reflected to reach the infrared receiving port of the set-top box.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Human Computer Interaction (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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Abstract

本发明涉及切换电视广告的系统，包括：控制转换器和服务器，控制转换器包括红外接收模块、红外发射模块、网络模块、存储模块以及处理模块，红外接收模块用于接收遥控器向机顶盒发送的控制信号，处理模块获取所述控制信号，并根据存储在存储模块中的机顶盒的机器码将所述控制信号解析成操控指令；在获取遥控器向机顶盒发出的开机指令后，处理模块生成初始化电视频道的指令，并通过红外发射模块向机顶盒发送初始化电视频道的指令；获取遥控器发出的选台指令，处理模块根据预先存储在所述存储模块中的电视频道列表找出所述电视频道的序号所对应的电视台名称；服务器获取该电视台插播广告的时间信息以及用户所选择的电视台，控制电视切换电视频道。

Description

一种切换电视广告的方法和系统
【技术领域】 本发明属于无线通信技术领域，本发明涉及一种切换电视广告的方法和系 统。 【背景技术】
目前现有的电视收看电视节目的时候都是通过机顶盒接收广播电视公司 发送的数字信号， 并且经解码后将模拟信号发送给电视。 机顶盒和电视一样， 也是由遥控控制电视进行搜台和选台的，通过遥控器还可以对节目的序号进行 编辑， 将自己喜欢的节目可以编在第一组序号内， 将其他节目编在另一组序号 内。 在机顶盒的机体还设置有按键， 以供用于在遥控器无法正常工作的时候选 机顶盒在播放电视时， 电视信号是从广播电视公司通过同轴电缆发送的 流媒体信号， 电视台主要是通过在播放电视节目的时候插播电视广告来获利 的， 而电视台为了追逐利润， 常常在电视节目的中间插播大量的广告， 这给观 众浪费了很多收看电视的时间， 同时， 现在很多地方台为了追逐利润， 泯灭良 知， 播放很多虚假广告和对儿童有害的垃圾广告， 这对于经常收看电视的青少 年来说， 具有非常负面的影响， 另一方面， 政府部门缺乏监管， 使得这些垃圾 广告泛滥成灾， 这对民众的生活带来了不小的影响。
观众在收看电视节目的时候如果遇到电视台插播广告， 都会选择手动的 换台，但是在换台了之后常常会忘了在广告播放完之后及时的返回到之前所收 看节目的那个台， 导致错过了原来电视台接下来的播出的精彩节目， 为了解决 错过电视节目的问题出现， 现有的技术是， 需要在遥控器上设定时间， 到了此 时间时， 自动切换到设定的此频道上。 通过此方法需要预先知道何时节目会开 始， 一般情况下， 在电视节目插播广告的时间是 ^艮难预先知道的， 所以， 也就 ^艮难以通过该方法自动的在电视节目插播广告时切换电视频道， 同时在电视广 告播出完成之后自动切回电视频道。 另一方面， 如果通过观众去设定电视频道 切换时间， 会显得比较繁瑣， 这一技术也只仅仅适合于向人们提醒某一个自己 喜欢的电视节目开始了， 需要开始观看了而已。
要想让人们能够准确的在广告插播完成之后切换到原来的收看电视节目 的频道， 通过机器本身是无法控制的， 因为其不能准确的知道电视台插播广告 的时间和时机， 只有借助远程控制系统， 通过远程的服务器才能完成， 通过远 程的服务器必须控制多个家庭的电视机或者机顶盒才能达到效率最大化，要想 通过服务器控制多个家庭的电视机或者机顶盒，必须知道每个电视或者机顶盒 的地址， 同时还需要知道每个电视或者机顶盒正在播放的电视节目内容。
现有的技术都在机顶盒或者电视机内设置一模块， 用于获取用户正在收 看的电视节目内容信息，然后再通过网络将该用户收看的电视节目内容信息发 于这种技术， 需要在电视或者机顶盒出厂时预置该模块， 并且还需要设置网络 通讯模块。 显然这一技术对于目前市场上普遍采用的普通机顶盒或电视（无该 模块以及网络模块）来说， 是一件非常困难的事情。 同时现有技术中， 用于获 取用户正在收看的电视节目内容信息的方法有采用分析用户正在收看的电视 节目内容的音视频信号，将该信号与服务器中此时播放的音视频信号作对比得 出的， 这种技术成本高， 推广起来比较困难。
【发明内容】
本发明的目的就是为了解决现有技术存在的问题，提出了一种切换电视广 告的方法和系统。
本发明的设计思路如下：
现有的大多数民众所使用的机顶盒或者电视机都具有红外遥控接口，并且 无网络传输模块， 也无电视节目内容获取模块， 在现有的机顶盒和电视的基础 上， 只通过机顶盒或者电视机的外部接口就可以达到控制电视节目的自动切 换， 将是一个成本低廉的方案， 这一技术也将比较容易在市场上推广。 现有的 红外遥控接口是用于方便人们通过遥控器来控制电视机或者机顶盒的，如果我 们在机顶盒或者电视的红外信号接收端口旁边并列设置一接收器，在机顶盒或 者电视获取遥控器的红外控制信号的同时，该接收器也能够获取遥控器红外控 制信号， 并且能够该接收器还能够对遥控器发送的红外控制信号进行解码， 那 么就可以将红外控制信号反向编译电视机或者机顶盒的控制指令。而要想对红 外控制信号进行解码， 我们就必须知道用户的电视机或者机顶盒的型号， 因为 该电视机或者机顶盒的型号对应着红外控制信号编码中机器码。将该红外控制 信号反向编译成电视机或者机顶盒的控制指令后，假如该控制指令中有换台指 令， 换台指令包括采用数字键进行换台， 也包括采用方向键换台， 对于采用方 向键换台来说， 如果机顶盒或者电视机与接收器停留的原始电视频道不一致， 那么就会出现在换台后电视机或者机顶盒与接收器所得到的电视频道不一致 的情况。 所以， 需要将机顶盒或者电视机在选台开始时与接收器停留的电视频 道保持一致。 电视频道与电视台建立的关联通过电视频道列表而来的， 所以还 需要使机顶盒内的电视频道列表与接收器中的电视频道列表保持一致才行。如 果每个电视频道在哪一个时间播放什么节目在服务器中是可知的，所以就可以 据此来控制用户电视频道的切换从而来达到避开广告的目的。 然而， 由于人们 对节目的编辑以及人们在电视或者机顶盒上通过按键选台操作而导致换台指 令（由于不知道初始频道序号， 当人们在用方向键选台时就会出现无法准确知 收看的电视节目与接收器所接收到的用户选择的电视节目不一致。所以要解决 上述问题。 我们提出了下述的切换电视广告的方法和系统。
由于控制机顶盒和控制电视切换电视频道的原理相近似，下面以机顶盒为 例对本发明的具体技术方案作阐述， 应当理解的是， 本发明所保护的范围不仅 仅局限于通控制过机顶盒实现切换电视广告的方法和系统，还包括通过控制电 视机实现切换电视广告的方法和系统。
本发明的具体技术方案如下：
本发明提供一种切换电视广告的方法，其特征在于，该方法包括如下步骤： 通过一红外接收模块接收遥控器向机顶盒发送的控制信号，获取所述控制 信号， 并根据本地存储的机顶盒的机器码将所述控制信号解析成操控指令； 在获取遥控器向机顶盒发出的开机指令后，本地生成一初始化电视频道的 指令， 并通过红外发射模块向机顶盒发送初始化电视频道的指令；
获取遥控器发出的选台指令，根据预先在本地存储的电视频道列表找出所 述电视频道的序号所对应的电视台名称；
通过一网络模块将用户选择的电视台名称发送给远程服务器；
获取该电视台插播广告的时间信息， 在开始插播广告时， 服务器生成一切 换电视频道的指令并下发给网络模块，结合本地存储的机顶盒的机器码将所述 切换电视频道的指令编译成切换电视频道的控制信号并通过所述红外发射模 块向机顶盒转发；
在插播广告结束时， 服务器生成一返回电视频道的指令并下发给网络模 视频道的控制信号并通过所述红外发射模块向机顶盒转发。
所述初始化电视频道的方法包括： 随机选择任一电视频道序号或者随机选 择一标识有 "用户喜欢电视频道" 标签的电视频道。
所述网络模块为 WiFi模块， 所述 WiFi模块与家庭无线 WiFi路由器相连 通。
所述 WiFi模块还用于与在同一局域网中的计算机建立通信链路， 计算机 获取用户从计算机的浏览器中输入的机顶盒的机器码并将机顶盒的机器码发 送给 WiFi模块， WiFi模块将机顶盒的机器码存储起来。
所述网络模块还包括蓝牙模块，所述蓝牙模块还用于与一蓝牙终端建立蓝 牙通信链路，所述蓝牙终端获取用户输入的机顶盒的机器码并将所述机顶盒的 机器码发送给蓝牙模块， 将蓝牙模块接收到的机顶盒机器码存储起来。
在所述机顶盒的机器码存储起来后， 本地生成初始化电视频道列表的指 令， 所述初始化电视频道列表的指令通过红外发射模块发送给机顶盒； 同时， WiFi 模块从服务器中获取与该机顶盒的机器码相匹配的初始电视频道列表并 将初始的电视频道列表存储起来。
所述红外接收模块还用于接收编辑电视频道列表的指令，结合初始电视频 道列表与编辑电视频道列表的指令更新电视频道列表，并将新的电视频道列表 存储起来。
本发明提供一种切换电视广告的系统， 其特征在于， 该系统包括： 控制转换器和服务器，所述控制转换器包括红外接收模块、红外发射模块、 网络模块、 存储模块以及处理模块， 所述红外接收模块用于接收遥控器向机顶 盒发送的控制信号， 所述处理模块获取所述控制信号， 并根据存储在存储模块 中的机顶盒的机器码将所述控制信号解析成操控指令；
在获取遥控器向机顶盒发出的开机指令后，处理模块生成一初始化电视频 道的指令， 并通过红外发射模块向机顶盒发送初始化电视频道的指令；
获取遥控器发出的选台指令，处理模块根据预先存储在所述存储模块中的 所述控制转换器的网络模块还用于将用户选择的电视台的电视台名称发 送给远程服务器；
服务器获取该电视台插播广告的时间信息， 在开始插播广告时， 服务器生 成一切换电视频道的指令并下发给网络模块，处理模块结合存储在存储模块中 的机顶盒的机器码将所述切换电视频道的指令编译成切换电视频道的控制信 号并通过所述红外发射模块向机顶盒转发；
在插播广告结束时， 服务器生成一返回电视频道的指令并下发给网络模 令编译成返回电视频道的控制信号并通过所述红外发射模块向机顶盒转发。
所述网络模块为 WiFi模块， 所述 WiFi模块与家庭无线 WiFi路由器相连 通， 所述 WiFi模块还用于与在同一局域网中的计算机建立通信链路， 计算机 获取用户从计算机的浏览器中输入的机顶盒的机器码并将机顶盒的机器码发 送给 WiFi模块， WiFi模块将机顶盒的机器码存储在存储模块中。
所述网络模块还包括蓝牙模块，所述蓝牙模块还用于与一蓝牙终端建立蓝 牙通信链路，所述蓝牙终端获取用户输入的机顶盒的机器码并将所述机顶盒的 机器码发送给蓝牙模块，处理模块将蓝牙模块接收到的机顶盒机器码存储在存 储模块中。 在所述机顶盒的机器码存储在存储模块中后，控制转换器的处理模块生成 初始化电视频道列表的指令，所述初始化电视频道列表的指令通过红外发射模 块发送给机顶盒； 同时， WiFi模块从服务器中获取与该机顶盒的机器码相匹配 的初始电视频道列表并将初始的电视频道列表存储在存储模块中。
所述红外接收模块还用于接收编辑电视频道列表的指令，处理模块结合初 始电视频道列表与编辑点频道列表的指令更新电视频道列表，并将新的电视频 道列表存储在存储模块中。
所述获取该电视台播放电视节目时开始插播广告的时刻信息以及获取该 电视台插播广告结束的时刻信息是通过获取电视台的节目编排时间表分析得 来的， 也可通过获取人工的触发信号得来。
本发明有益的技术效果在于：
本发明在不改变现有的机顶盒的基础上，只需要增加一控制转换器即可实 现通过远程的服务器对机顶盒进行控制， 方法筒单， 结构也非常筒单， 成本低 廉， 升级推广容易。
相比通过其他方法获取用户收看的电视频道序号来说，本发明在获取遥控 器向机顶盒发出的开机指令后，通过一红外发射模块向机顶盒发送初始化电视 频道的指令即可较准确的获取用户收看的电视频道序号， 方法筒单， 同样成本 较低廉。
初次使用本发明的控制转换器时， 需要选择机顶盒的识别码， 即可通过控 制转换器有区别的控制不同品牌和型号的机顶盒， 而使得加工成本和使用成本 低廉， 另一方面， 正是通过首次使用时将电视频道列表初始化， 从而能够在用 户编辑电视频道列表之后以后能够准确的获取用户所选择的电视频道序号。 同 时由于选择了机顶盒的识别码之后，控制转换器能够将用户遥控器的红外选台 指令编译成用户的选择电视频道序号指令。
通过具有蓝牙模块的终端与控制转换器建立蓝牙通信链路，并向控制转换 器发送选择机顶盒识别码以及通过控制转换器向机顶盒发送控制选台指令是 利用了蓝牙通信可以一对一进行通信， 同时利用了现有的便携式蓝牙智能终端 较普及的特点， 具有操作方法筒单， 使用成本低廉的优点。 通过将远程服务器中的各电视台开始插播电视广告的时刻信息发送到控 制转换器中， 同时将机顶盒的机器码、 初始的电视频道列表以及更新后的电视 频道列表存储在控制转换器的存储模块中，使得向机顶盒的各控制命令由控制 转换器单独完成， 减轻了服务器处理数据的负担， 同时还能够减少了带宽的占 用， 提高了控制速度。 另一方面， 将用户选择的电视台名称发送给服务器， 有 利于服务器统计分析出用户经常看的电视节目，从而为切换到哪一个电视频道 提供帮忙， 能够使的切换后的电视频道符合人们的收视习惯。
总体来说，本发明利用了非常筒单的方法以及非常低廉的成本即可实现在 现有的机顶盒或者电视机上实现自动切换电视广告的技术， 适用范围广， 商业 推广起来比较容易。
【附图说明】
图 1为本发明通常使用状态时自动切换电视广告的方法流程图； 图 2为本发明实施例 1初始化电视频道列表的方法流程图；
图 3为本发明实施例 2初始化电视频道列表的方法流程图；
图 4为本发明实施例 1 自动切换电视广告的系统结构框图；
图 5为本发明实施例 2自动切换电视广告的系统结构框图。
【具体实施方式】
为了使发明的目的、技术方案及优点更加清楚明白， 以下结合附图及实施 例， 对本发明进行进一步详细说明。 应当理解， 此处所描述的实施例仅用以解 释本发明， 并不用来限定本发明。
实施例 1
本发明提供了一种自动切换电视广告的方法，如图 1所示， 该方法包括如 下步骤：
( 1 )在通常使用状态下：
S1： 通过一红外接收模块接收遥控器向机顶盒发送的控制信号； 所述红外接收模块是控制转换器的一个部件，该控制转换器放置在机顶盒 的旁边， 红外接收模块的红外接收头与机顶盒的红外接收头并列放着， 在机顶 盒的红外接收头能够接收到遥控器的红外信号的同时，红外接收模块也能够接 收到遥控器的红外信号。
S2: 获取所述控制信号，并根据本地存储的机顶盒的机器码将所述控制信 号解析成操控指令；
无论机顶盒对红外控制信号解码的方式如何， 只要机顶盒对红外控制信号 的解码方式与服务器对红外控制信号的解码方式一致即可将遥控器的红外控 制信号解析成操控指令。 将机顶盒的解码密钥拷贝到服务器中即可。
S3:在获取遥控器向机顶盒发出的开机指令后，本地生成一初始化电视频 道的指令， 并通过红外发射模块向机顶盒发送初始化电视频道的指令；
所述"通过红外发射模块向机顶盒发送初始化电视频道的指令 "为： 通过红 外发射模块向机顶盒发送随机选择任一电视频道序号的指令。
所述"通过红外发射模块向机顶盒发送初始化电视频道的指令"还可为： 通 过红外发射模块向机顶盒发送选择用户喜爱的任一电视频道序号的指令。用户 喜爱的任一电视频道可以通过获取用户设置喜爱电视频道的指令得到，也可通 过分析统计用户经常看的电视频道序号得到。
S4: 获取遥控器发出的选台指令，根据预先在本地存储的电视频道列表找 出所述电视频道的序号所对应的电视台名称；
所述选台指令包括直接选择电视频道序号的指令、通过方向键选择上一频 道和下一频道的指令以及返回电视频道的指令。如果通过方向键选择上一频道 和下一频道必须知道选择前的电视频道序号， 才能知道选择后的电视频道序 号； 如果返回电视频道， 也必须知道选择前的电视频道序号， 才能知道选择后 的电视频道序号。所以在每次开机的时候初始化电视频道以及在初次使用时初 始化电视频道列表非常重要， 这样才能准确的知道用户所选择的电视台名称。
S5: 通过 WiFi模块将用户选择的电视台名称发送给远程服务器； 所述 WiFi模块还可以被其他网络模块替代， 例如有线网络模块、 移动通 信模块， 较优的， 我们选择了 WiFi模块， 这是由于目前家用无线 WiFi路由器 比较普及， 所以采用 WiFi模块进行网络通信比较方便， 成本也比较低廉。 由于服务器同时接收多个 WiFi模块发送的控制信号， 所以需要采用 WiFi 模块的物理地址对每一个 WiFi模块发送的控制信号进行区别。 每一个机顶盒 对应着一个控制转换器，而每一个控制转换器具有一 WiFi模块，所以通过 WiFi 模块的物理地址就可以判断出该控制信号来自哪一个机顶盒的遥控器。
S6: 获取该电视台插播广告的时间信息；
该电视台开始插播电视广告的时刻信息可通过下述两个方法得到：
A. 通过获取该电视台的节目播出时间表可以知道该电视台开始插播 电视广告的时刻信息；
B. 由于该电视台的节目播出时间表在该视台手中， 需要由其提供会 导致可能会出现不及时或者难以得到的问题， 而且电视台可能为 了避免该电视台的广告被切换会故意随机调整节目播出时间， 所 以需要采用人工获取电视台插播电视广告的时刻。 获取工作人员 在电视台开始插播广告时按压按键的触发信号可得知该电视台在 插播广告。
各电视台结束插播电视广告的时刻信息也可通过上述两个方法得到。
S7:在开始插播广告时，服务器生成一切换电视频道的指令并下发给 WiFi 模块；
S8:结合本地存储的机顶盒的机器码将所述切换电视频道的指令编译成切 换电视频道的控制信号并通过所述红外发射模块向机顶盒转发；
由于机顶盒能够识别的红外控制信号是类似于遥控器的红外控制信号的， 为了避免遥控器对不同电器之间构成控制干扰，在遥控器的红外控制信号中要 加入机顶盒的机器码， 而控制转换器并不具备加码的功能， 所以需要在服务器 中在初始化电视频道的指令添加机顶盒的机器码，机顶盒对控制信号进行再解 码即可识别。
控制转换器实际上是一控制盒， 该控制盒内设置有红外发射模块和红外接 收模块， 红外发射模块和红外接收模块的红外端口均位于控制盒的前端面板 上， 即红外发射模块和红外接收模块的红外端口均与机顶盒的红外端口并列设 置， 只要红外发射模块的红外信号够强， 在室内， 红外发射模块的红外信号还 是可以通过反射到达机顶盒的。
S9:在插播广告结束时，服务器生成一返回电视频道的指令并下发给 WiFi 模块； 返回电视频道的控制信号并通过所述红外发射模块向机顶盒转发。
( 2 )在初次使用时， 需要初始化电视频道列表， 如图 2所示， 初始化电 视频道列表的方法包括：
T1： 将与 WiFi模块在同一局域网中的计算机与 WiFi模块建立通信链路； T2:计算机获取用户从计算机的浏览器中输入的机顶盒的机器码并将机顶 盒的机器码发送给 WiFi模块；
T3: WiFi模块接收所述机顶盒的机器码并存储器在本地的存储模块中； T4:在机顶盒的机器码在本地存储起来后，本地生成初始化电视频道列表 的指令；
T5: 所述初始化电视频道列表的指令通过红外发射模块发送给机顶盒； T6: WiFi模块从服务器中获取与该机顶盒的机器码相匹配的初始电视频 道列表并将初始的电视频道列表存储起来。
( 3 )在用户编辑电视频道列表之后需要对本地存储的电视频道列表进行 更新， 以使用户在使用遥控器换台时能够更准确的判断出用户最后 选择的电视台名称， 更新电视频道列表的方法包括：
所述红外接收模块还用于接收编辑电视频道列表的指令，结合初始电视频 道列表与编辑点频道列表的指令更新电视频道列表，并将新的电视频道列表存 储起来。
根据上述的自动切换电视广告的方法， 如图 4所示， 本实施例还提供了一 种自动切换电视广告的系统， 该系统包括：
控制转换器 11和服务器 12, 所述控制转换器 11 包括红外接收模块 111、 红外发射模块 112、 WiFi模块 113、 存储模块 114以及处理模块 115, 所述红 外接收模块 111用于接收遥控器 13向机顶盒 14发送的控制信号，所述处理模 块 115获取所述控制信号，并根据存储在存储模块 114中的机顶盒的机器码将 所述控制信号解析成操控指令；
在获取遥控器 13向机顶盒 14发出的开机指令后， 处理模块 115生成一 初始化电视频道的指令， 并通过红外发射模块 112向机顶盒 14发送初始化电 视频道的指令；
获取遥控器 13向机顶盒 14发出的选台指令， 处理模块 115根据预先存 电视台名称；
所述控制转换器的 WiFi模块 113还用于将用户选择的电视台的电视台名 称发送给远程服务器 12;
服务器 12获取该电视台插播广告的时间信息， 在开始插播广告时， 服务 器 12生成一切换电视频道的指令并下发给 WiFi模块 113,处理模块 115结合 存储在存储模块 114 中的机顶盒的机器码将所述切换电视频道的指令编译成 切换电视频道的控制信号并通过所述红外发射模块 112向机顶盒转发；
在插播广告结束时， 服务器 12生成一返回电视频道的指令并下发给 WiFi 模块 113 ,处理模块 115结合存储模块 114中存储的机顶盒的机器码将所述返 回电视频道的指令编译成返回电视频道的控制信号并通过所述红外发射模块 向机顶盒转发。
该系统还包括一计算机 15,所述计算机 15用于与该计算机在同一局域网 中的 WiFi模块 113建立通信链路， 计算机 15获取用户从计算机 15的浏览器 块 113将机顶盒的机器码存储在存储模块 114中。
在所述机顶盒的机器码存储在存储模块 114中后，控制转换器的处理模块 115生成初始化电视频道列表的指令， 所述初始化电视频道列表的指令通过红 外发射模块 112发送给机顶盒 14; 同时， WiFi模块 113从服务器 12中获取 与该机顶盒的机器码相匹配的初始电视频道列表并将初始的电视频道列表存 储在存储模块 114 中。 相同品牌和型号的机顶盒的初始电视频道列表都是相 同。
所述红外接收模块 111 还用于接收编辑电视频道列表的指令， 处理模块 115结合初始电视频道列表与编辑点频道列表的指令更新电视频道列表， 并将 新的电视频道列表存储在存储模块 114中。
实施例 2
与实施例 1不同的， 初始化电视频道列表的方法不同， 在本实施例中， 如 图 3所示， 初始化电视频道列表的方法包括：
所述网络模块还包括蓝牙模块，所述蓝牙模块还用于与一蓝牙终端建立蓝 牙通信链路，所述蓝牙终端获取用户输入的机顶盒的机器码并将所述机顶盒的 机器码发送给蓝牙模块， 将蓝牙模块接收到的机顶盒机器码存储起来
P1 : 与 WiFi模块本地连接的蓝牙模块与一蓝牙终端建立蓝牙通信链路；
P2: 所述蓝牙终端获取用户输入的机顶盒的机器码并将所述机顶盒的机 器码发送给蓝牙模块；
P3: 将蓝牙模块接收到的机顶盒机器码存储起来；
P4: 在机顶盒的机器码在本地存储起来后， 本地生成初始化电视频道列 表的指令；
P5: 所述初始化电视频道列表的指令通过红外发射模块发送给机顶盒； P6: WiFi模块从服务器中获取与该机顶盒的机器码相匹配的初始电视频 道列表并将初始的电视频道列表存储起来。
在本实施例中， 如图 5所示， 所述控制转换器 11还包括一蓝牙模块 11 6, 该系统还包括一蓝牙终端 16,所述蓝牙模块 116还用于与一蓝牙终端 16建立 蓝牙通信链路， 所述蓝牙终端 16获取用户输入的机顶盒的机器码并将所述机 顶盒的机器码发送给蓝牙模块 11 6,处理模块 115将蓝牙模块 11 6接收到的机 顶盒机器码存储在存储模块 114中。 在所述机顶盒 14的机器码存储在存储模 块 114后，控制转换器的处理模块 115生成初始化电视频道列表的指令，所述 初始化电视频道列表的指令通过红外发射模块 112发送给机顶盒 14; 同时， WiFi模块 113从服务器 12中获取与该机顶盒 14的机器码相匹配的初始电视 频道列表并将初始的电视频道列表存储在存储模块 114中。 在使用时， 需要将控制转换器放置在于机顶盒的旁边， 以使遥控器向机顶 盒发送红外控制信号时，所述红外控制信号也能够被控制转换器的红外接收模 块接收。这样放置的时候机顶盒的红外接收端口与控制转换器的红外接收端口 虽然是并列放置， 但是由于控制转换器无需移动， 所以控制转换器可由电源转 换器直接连接市电供电， 既可以避免经常充电， 也可以为红外发射模块提供恒 久的高功率电能，控制转换器的红外发射模块发射的红外线可以经过反射后到 达机顶盒的红外接收端口。 以上实施例仅用以说明本发明的技术方案而非限制，尽管参照较佳实施例 对本发明进行了详细说明， 本领域的普通技术人员应当理解， 可以对本发明的 技术方案进行修改或者等同替换， 而不脱离本发明技术方案的精神和范围， 其 均应涵盖在本发明的权利要求范围当中。

Claims

权 利 要 求 书
1 . 一种切换电视广告的方法， 其特征在于， 该方法包括如下步骤： 通过一红外接收模块接收遥控器向机顶盒发送的控制信号，获取所述控制 信号， 并根据本地存储的机顶盒的机器码将所述控制信号解析成操控指令； 在获取遥控器向机顶盒发出的开机指令后，本地生成一初始化电视频道的 指令， 并通过红外发射模块向机顶盒发送初始化电视频道的指令；
获取遥控器发出的选台指令，根据预先在本地存储的电视频道列表找出所 述电视频道的序号所对应的电视台名称；
通过一网络模块将用户选择的电视台名称发送给远程服务器；
获取该电视台插播广告的时间信息， 在开始插播广告时， 服务器生成一切 换电视频道的指令并下发给网络模块，结合本地存储的机顶盒的机器码将所述 切换电视频道的指令编译成切换电视频道的控制信号并通过所述红外发射模 块向机顶盒转发；
在插播广告结束时， 服务器生成一返回电视频道的指令并下发给网络模 视频道的控制信号并通过所述红外发射模块向机顶盒转发。
2.根据权利要求 1所述的切换电视广告的方法， 其特征在于， 所述初始化 电视频道的方法包括： 随机选择任一电视频道序号或者随机选择一标识有 "用 户喜欢电视频道" 标签的电视频道。
3. 根据权利要求 2所述的切换电视广告的方法， 其特征在于， 所述网络 模块为 WiFi模块， 所述 WiFi模块与家庭无线 WiFi路由器相连通。
4.根据权利要求 3所述的切换电视广告的方法， 其特征在于， 所述 WiFi 模块还用于与在同一局域网中的计算机建立通信链路，计算机获取用户从计算 机的浏览器中输入的机顶盒的机器码并将机顶盒的机器码发送给 WiFi模块， WiFi模块将机顶盒的机器码存储起来。
5.根据权利要求 3所述的切换电视广告的方法， 其特征在于， 所述网络模 块还包括蓝牙模块， 所述蓝牙模块还用于与一蓝牙终端建立蓝牙通信链路， 所 蓝牙模块， 将蓝牙模块接收到的机顶盒机器码存储起来。
6.根据权利要求 4或 5所述的切换电视广告的方法， 其特征在于， 在所述 机顶盒的机器码存储起来后， 本地生成初始化电视频道列表的指令， 所述初始 化电视频道列表的指令通过红外发射模块发送给机顶盒； 同时， WiFi模块从服 务器中获取与该机顶盒的机器码相匹配的初始电视频道列表并将初始的电视 频道列表存储起来。
7.根据权利要求 6所述的切换电视广告的方法， 其特征在于， 所述红外接 收模块还用于接收编辑电视频道列表的指令，结合初始电视频道列表与编辑电 视频道列表的指令更新电视频道列表， 并将新的电视频道列表存储起来。
8.—种切换电视广告的系统， 其特征在于， 该系统包括：
控制转换器和服务器，所述控制转换器包括红外接收模块、红外发射模块、 网络模块、 存储模块以及处理模块， 所述红外接收模块用于接收遥控器向机顶 盒发送的控制信号， 所述处理模块获取所述控制信号， 并根据存储在存储模块 中的机顶盒的机器码将所述控制信号解析成操控指令；
在获取遥控器向机顶盒发出的开机指令后，处理模块生成一初始化电视频 道的指令， 并通过红外发射模块向机顶盒发送初始化电视频道的指令；
获取遥控器发出的选台指令，处理模块根据预先存储在所述存储模块中的 所述控制转换器的网络模块还用于将用户选择的电视台的电视台名称发 送给远程服务器；
服务器获取该电视台插播广告的时间信息， 在开始插播广告时， 服务器生 成一切换电视频道的指令并下发给网络模块，处理模块结合存储在存储模块中 的机顶盒的机器码将所述切换电视频道的指令编译成切换电视频道的控制信 号并通过所述红外发射模块向机顶盒转发；
在插播广告结束时， 服务器生成一返回电视频道的指令并下发给网络模 令编译成返回电视频道的控制信号并通过所述红外发射模块向机顶盒转发。
9.根据权利要求 7所述的切换电视广告的系统， 其特征在于， 所述网络模 块为 WiFi模块， 所述 WiFi模块与家庭无线 WiFi路由器相连通， 所述 WiFi 模块还用于与在同一局域网中的计算机建立通信链路，计算机获取用户从计算 机的浏览器中输入的机顶盒的机器码并将机顶盒的机器码发送给 WiFi模块， WiFi模块将机顶盒的机器码存储在存储模块中。
10. 根据权利要求 8所述的切换电视广告的系统， 其特征在于， 所述网络 模块还包括蓝牙模块， 所述蓝牙模块还用于与一蓝牙终端建立蓝牙通信链路， 给蓝牙模块， 处理模块将蓝牙模块接收到的机顶盒机器码存储在存储模块中。
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