WO2016019722A1 - 一种切换电视频道的方法、装置及系统 - Google Patents

一种切换电视频道的方法、装置及系统 Download PDF

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Publication number
WO2016019722A1
WO2016019722A1 PCT/CN2015/073696 CN2015073696W WO2016019722A1 WO 2016019722 A1 WO2016019722 A1 WO 2016019722A1 CN 2015073696 W CN2015073696 W CN 2015073696W WO 2016019722 A1 WO2016019722 A1 WO 2016019722A1
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WO
WIPO (PCT)
Prior art keywords
button
signal
remote control
control device
top box
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PCT/CN2015/073696
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English (en)
French (fr)
Inventor
蔡永生
王晓晖
Original Assignee
深圳创维数字技术有限公司
深圳市创维软件有限公司
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Publication of WO2016019722A1 publication Critical patent/WO2016019722A1/zh

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    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42221—Transmission circuitry, e.g. infrared [IR] or radio frequency [RF]
    • 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
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards

Definitions

  • the present invention relates to the field of set top boxes (STBs), and more particularly to a method for controlling a traditional set top box by a smart set top box.
  • STBs set top boxes
  • users can connect the TV to the smart set-top box, select the favorite TV program through the network cable and Wireless Fidelity to access the Internet (Internet); users can also connect the TV to the traditional set-top box and receive Fixed TV programs provided by operators; in addition, users can superimpose traditional set-top boxes with smart set-top boxes with HDMI (High Definition Multimedia Interface) to form a "1+1" form of TV program viewing method.
  • the user can watch the television program provided by the operator on the television, and can also browse the video program on the Internet on the television.
  • the technical problem to be solved by the embodiments of the present invention is to provide a method, a device and a system for switching a television channel, which can control the first set top box and the second set top box only by using the first remote control device, so that the television end can be viewed through the first set top box.
  • Embodiments of the present invention provide a method for switching a television channel, the method including two aspects of content.
  • the first aspect is a method for switching a television channel on a first set top box side, including:
  • the waveform data of the device button signal is in one-to-one correspondence with the buttons of the first remote control device;
  • the channel switching signal Simulating a channel switching signal of the second remote control device according to the waveform data corresponding to the button, and transmitting the channel switching signal to the second set top box; the channel switching signal is used to control the second set top box to switch the television channel.
  • the second aspect is a method for switching a television channel on a second set top box side, including:
  • the channel switching signal is generated by the first set top box by using the method for switching television channels described in all the foregoing content;
  • the method before the receiving the first button signal of the first remote control device, the method further includes: learning a button signal of the second remote control device through a learning process, and setting the button signal to The button signal corresponding to the button to be set of the first remote control device, the learning process specifically includes:
  • the button prompting information is used to prompt the user to complete the learning of the button to be set of the first remote control device in a preset order;
  • the second button signal is a button signal that is triggered when the user presses the learning target button corresponding to the button to be set on the second remote control device according to the button prompt information;
  • the second button signal is used to control the second set top box;
  • Embodiments of the present invention provide an apparatus for switching a television channel, the apparatus including two aspects.
  • the first of these is the first set-top box, including:
  • a first signal input module configured to receive a first button signal of the first remote control device
  • a signal processing module configured to identify a button corresponding to the first button signal, and find waveform data corresponding to the button in a button-waveform database; wherein the button-waveform database stores a button signal of the second remote control device Waveform data, the waveform data of the button signal of the second remote control device is in one-to-one correspondence with the buttons of the first remote control device;
  • a signal output module configured to simulate a channel switching signal of the second remote control device according to the waveform data corresponding to the button, and send the channel switching signal to the second set top box; the channel switching signal is used to control the second set top box switching TV channel.
  • the first set top box further includes: a learning module, configured to learn the second remote control device by using a learning process before the step of the first signal input module performing the receiving the first button signal of the first remote control device
  • the button signal is set to the button signal corresponding to the button to be set of the first remote control device
  • the learning process specifically includes:
  • the button prompting information is used to prompt the user to complete the learning of the button to be set of the first remote control device in a preset order;
  • the second button signal is a button signal that is triggered when the user presses the learning target button corresponding to the button to be set on the second remote control device according to the button prompt information;
  • the second aspect is the second set-top box, including:
  • a receiving module configured to receive a channel switching signal sent by the first set top box
  • a channel changing module configured to identify a channel switching mode corresponding to the channel switching signal, and switch a TV channel according to the channel switching mode
  • a data sending module configured to send a data packet of the current TV channel to the first set top box.
  • the embodiment of the present invention further provides a system for switching a television channel, the system comprising the first set top box, the first remote control device and the second set top box described in the foregoing, and the second remote control device described in the above content. .
  • the first set top box can simulate the channel switching signal of the second remote control device according to the button signal of the first remote control device, and can forward the channel switching signal to the second set top box to switch the second set top box.
  • the first set top box and the second set top box are controlled by the first remote control device, so that the television end can watch the television program of the second set top box through the first set top box; in addition, the first set top box passes the learning process.
  • the button signal of the second remote control device is learned, and the button signal is set as the button signal corresponding to the button to be set of the first remote control device.
  • the embodiment of the present invention can also implement the first set top box to learn the button of the second remote control device in a semi-automatic manner. Signals reduce user operations.
  • FIG. 1 is a flow chart of a method of switching television channels on a first set top box side according to an embodiment of the present invention
  • FIG. 2 is a flow chart of a method for switching a television channel on a second set top box side according to an embodiment of the present invention
  • FIG. 3 is a flow chart of a method of switching television channels according to another embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a conceptual button information prompting process according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a first set top box according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a signal processing module of a first set top box according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a signal output module of a first set top box according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a first set top box according to another embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a learning module of a first set top box according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a learning trigger module of a first set top box according to an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of a preset module of a first set top box according to an embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of an end module of a first set top box according to an embodiment of the present invention.
  • FIG. 13 is a schematic structural diagram of a determining module of a first set top box according to an embodiment of the present invention.
  • FIG. 14 is a schematic structural view of a second set top box according to an embodiment of the present invention.
  • Figure 15 is a schematic structural view of a first set top box according to a third embodiment of the present invention.
  • 16 is a schematic diagram of a system for switching television channels according to an embodiment of the present invention.
  • Figure 17 is a schematic diagram of a system for switching television channels in accordance with another embodiment of the present invention.
  • FIG. 1 is a flowchart of a method for switching a TV channel on a first set top box side according to an embodiment of the present invention.
  • the method includes:
  • Step S101 Receive a first button signal of the first remote control device.
  • the first remote control device is a remote controller of the first set top box;
  • the first button signal is a button signal triggered when the user presses a button on the first remote control device.
  • the first remote control device may encode the button information and send a wireless signal to the first set top box through the wireless transmitter; the first set top box receives the wireless signal through the wireless receiver, and solves the problem.
  • the key information corresponding to the wireless signal can be obtained.
  • the first remote control device may encode the information of the button and send the infrared wave to the first set top box through the infrared transmitter, and correspondingly, the first set top box may pass the infrared
  • the receiver receives the infrared wave and converts the infrared wave into a telecommunications No., demodulate the button information corresponding to the electrical signal.
  • the channel change button may be the direction button of the first remote control device for browsing the TV channel forward or backward. It can also be a number key on the first remote control device, and can also be a button with a channel changing function specially agreed by the first remote control device and the first set top box, which is not limited herein.
  • Step S103 Identify a button corresponding to the first button signal, and find waveform data corresponding to the button in the button-waveform database; the waveform data in the button-waveform database stores the signal signal of the second remote control device button, and the second remote device button signal The waveform data is in one-to-one correspondence with the buttons of the first remote control device.
  • the button-waveform database may mainly store the button information of the first remote control device and the waveform data of the button signal of the second remote control device, wherein the waveform data of the button signal of the second remote control device is used to simulate the second control a button signal of the set top box; the button information of the first remote control device has a one-to-one correspondence with the waveform data of the button signal of the second remote control device, and in the one-to-one correspondence, the button represented by the button signal of the second remote control device
  • the keys represented by the button information of the first remote control device may have a consistent functional meaning.
  • the direction button of the backward shifting of the first remote controller corresponds to the waveform A, which is the waveform of the button signal of the direction button of the backward shifting of the second remote controller.
  • the "+" volume up key of the first remote controller corresponds to the waveform B, which is the waveform of the button signal of the "+" volume up key of the second remote controller.
  • the first set top box can obtain the code information corresponding to the first button signal by demodulating the first button signal, and can determine the button information corresponding to the code information; and then, the first set top box
  • the waveform data of the button signal of the second remote control device corresponding to the button information may be found in the button-waveform database, and a forwarding signal is generated according to the waveform data, and the forwarding signal is used to simulate the second set-top box controlled by the second remote control device. Button signal.
  • the waveform data of the button signal of the second remote control device in the button-waveform database may be pre-customized, or may be obtained by the first set-top box learning the button signal of the second remote control device through a learning process.
  • Step S105 Simulate a channel switching signal of the second remote control device according to the waveform data corresponding to the button, and send the channel switching signal to the second set top box; the channel switching signal is used to control the second set top box to switch the television channel.
  • the first set top box when the first set top box recognizes that the button information corresponding to the first button signal is a channel change button, the first set top box can find the waveform data corresponding to the channel change button in the button-waveform database;
  • the forwarding signal may be generated according to the waveform data, and the forwarding signal is sent to the second set top box; the forwarding signal is a channel switching signal of the second machine remote control device, and is used to control the second set top box to switch the television channel.
  • the first set top box may also set the current button processing mode to the forwarding mode, and the content of the foregoing step S101 to step S105 may be the button signal of the first set top box to the first remote control device in the forwarding mode.
  • Processing flow in the forwarding mode, after receiving the first key signal of the first remote control device, the first set top box performs the process as described in steps S103 and S105 to convert the first key signal into the channel switching of the second set top box.
  • the signal is sent to the second set top box to control the second set top box to switch the television channel; in contrast, when the button processing mode of the first set top box is in the normal mode, after receiving the first button signal of the first remote control device, the signal can be recognized
  • the instruction corresponding to the first key signal, and the operation corresponding to the instruction is executed.
  • the first set top box receives the button signal of the "+" volume increase button of the first remote control device, and expands the output of the volume adjustment circuit to increase the output volume of the first set top box; in the forwarding mode, A set top box receives a button signal of a "+" volume increase button of the first remote control device, generates a new button signal according to the corresponding waveform data in the button-waveform database according to the button, and sends the new button signal to the second set top box to expand the second The output volume of the set top box.
  • first set top box and the second set top box described in the foregoing content may be connected through an HDMI line.
  • the first set top box After the first set top box transmits the foregoing channel switching signal to the second set top box through the wireless transmitter, the first set top box receives the second through the HDMI input interface.
  • the television signal transmitted by the set top box the television signal is obtained by the second set top box switching to a new television channel after receiving the channel switching signal.
  • the first set top box can set the button processing mode to the learning mode, and the button and waveform data in the button-waveform database can be obtained through the above learning process; in the learning mode, the first set top box can pass The learning process learns the button signal of the second remote control device, and sets the button signal of the second remote control device as the button signal corresponding to the button to be set of the first remote control device, and the learning process specifically includes:
  • the first set top box generates and outputs a button prompting information, and the button prompting information is used to prompt the user to complete the learning of the button to be set of the first remote control device according to a preset sequence;
  • the first set top box receives the second button signal sent by the second remote control device, and the second button signal is a button signal triggered when the user presses the learning target button corresponding to the button to be set on the second remote control device according to the button prompt information;
  • the button signal is used to control the second set top box;
  • the first set top box records the waveform data of the second button signal; and stores the waveform data of the button to be set and the second button signal in a one-to-one correspondence in the button-waveform database;
  • the first set top box determines whether the learning of all the to-be-set buttons is completed in a preset order. When the determination result is no, the step of generating and outputting the button prompt information is continued, and when the determination result is yes, the learning process is ended. .
  • the first set top box can display the help interface 401 as shown in FIG. 4 through the display device, and generate and output the button prompt information, wherein the process includes: the first set top box displays the virtual first remote control of the first remote control device on the display device. And displaying, by the focus on the virtual first remote control device, the user to prompt the user to set the button; in order to prompt the user to press the learning target button corresponding to the button to be set on the second remote control device. As shown in FIG.
  • the first set top box can display the virtual model 403 of the first remote control device on the help interface 401, and can prompt the user to press the button to be set currently needed to learn on the first remote control device through the focus 405;
  • a set top box can prompt the user to press the learning target button of the button to be set on the second remote control device through a UI element, such as a prompt box or a presentation animation.
  • the above-mentioned focus can be either the way of highlighting the currently set button or the way of zooming in on the currently set button, which is not limited herein.
  • the first set top box receives the button signal sent by the second remote control device.
  • the first set top box can set the waiting time to specify the user. Input time on the second remote control device. For example, if the user does not press the learning target button of the button to be set within the waiting time, the user may be prompted to re-learn the button to be set, and the learning of the button to be set may be directly ended, and the focus is moved to the next one.
  • the button to be set The examples are only a part of the embodiments, and may be different in practical applications and should not be construed as limiting.
  • the first set top box may copy the waveform of the second button signal, and set the waveform data to the waveform data corresponding to the current button to be set, and
  • the waveform data is stored in the button-waveform database in one-to-one correspondence with the button information of the current button to be set; the second button signal is pressed by the user on the second remote control device to be set currently When the learning target button of the button is pressed, the second remote control device is triggered.
  • the determining, by the first set top box, whether the learning of all the to-be-set buttons is completed according to a preset sequence may include: the first set-top box traversing the button-waveform database, if all the buttons of the first remote control device are in the button-wave type database If there is corresponding waveform data, it is judged that the learning process has been completed; if there is no corresponding waveform data in the button-waveform database of the button of the first remote control device, it is determined that the keys of the first remote control device do not completely complete the above learning. process.
  • the first set-top box asks the user whether to continue learning, and if the first set-top box receives the user instruction to end the learning process, Executing the operation of the instruction ends the learning process; if the first set top box receives the user instruction to continue the learning process, the operation of the instruction is executed to continue the learning process.
  • the help interface prompts the user that the "home button” of the first remote control device has not been successfully learned, and asks the user whether to re-learn the "home button” of the first remote control device, if If the received user input is "Yes”, the above learning process is continued; if the received user input is "No", the above learning process is ended.
  • the examples are only a part of the embodiments, and may be different in practical applications and should not be construed as limiting.
  • the button to be set of the first remote control device may be all the buttons of the first remote control device, or may be some buttons on the first remote control device preset by the first set top box in the learning mode, where The preset sequence is preset by the first set top box, and is used to arrange the order of all the buttons to be set on the first remote control device to be sequentially learned.
  • the preset sequence may be any sequence of key arrangements, which is not limited herein;
  • the learning target button may be a button on the second remote control device that has the same meaning as the current button to be set of the first remote control device, for example, when the current button to be set of the first remote control device is a “+” volume increase button.
  • the "+" volume increase button of the first remote control device needs to learn the learning target button as the "+” volume increase button on the second remote control device;
  • the second remote control device is the remote control device of the second set top box, used to control the second Set-top box.
  • the method further includes: receiving a setting signal sent by the first remote control device, where the setting signal is used to set the button processing mode of the first set top box to In the learning mode, the step of learning the button signal of the second remote control device through the learning process is performed; or performing the foregoing pressing the corresponding button for identifying the first button signal Key, when the step of finding the waveform data corresponding to the button in the button-waveform database, if the button-waveform database is empty, performing the above-mentioned step of learning the button signal of the second remote control device through the learning process; or executing When the step of identifying the button corresponding to the first button signal and finding the waveform data corresponding to the button in the button-waveform database, if there is no corresponding waveform data of the button in the button-waveform database, the user is prompted to miss the button. Receiving a user input to trigger the step of performing the above-described learning of the key signal of the
  • the triggering situation of the learning mode may mainly include: when the user presses a specific setting button on the first remote control device, the specific setting button is used to trigger the button processing mode of the first set top box to be the learning mode, and the first set top box Setting the current key processing mode to the learning mode, performing the foregoing step of displaying the help interface of the learning process by the display device, generating and outputting the prompt information of the button; or performing the above-mentioned search in the button-waveform database when the first set-top box is in the forwarding mode
  • the step of waveform data corresponding to the button is performed, if the button-waveform database is empty, the current button processing mode can be automatically switched to the learning mode, and the button and waveform data in the button-waveform database can be obtained through the above learning process; or
  • the first set top box performs the above step of finding the waveform data corresponding to the button in the button-waveform database in the forwarding mode, if the button has no corresponding waveform data, the user may be prompted to
  • the first set top box receives the second button signal sent by the second remote control device to receive the second button signal through the infrared wave receiver; the first set top box sends the channel Switching the signal to the second set top box is to send a channel switching signal to the second set top box through the infrared wave transmitter.
  • the first set top box can receive the button signal sent by the second remote control device through the infrared receiver, and the infrared receiver can be the same as the infrared receiver on the second set top box; the first set top box is In the forwarding mode, after receiving the button signal of the first remote control device, the first set top box generates a forwarding signal according to the button signal, and the forwarding signal can be sent to the second set top box through the infrared transmitter, and the infrared emitter can be connected to the second remote control device.
  • the infrared emitters are the same.
  • FIG. 2 a second set top box side switching television channel of an embodiment of the present invention is provided.
  • a flowchart of a method the method comprising:
  • Step S201 Receive a channel switching signal sent by the first set top box.
  • the second set top box can receive the channel switching signal forwarded by the first set top box through the infrared receiver, and the channel switching signal is generated by the first set top box according to the corresponding waveform data in the button-waveform database according to the change button of the first remote control device. of.
  • Step S203 Identify a channel switching mode corresponding to the channel switching signal, and switch the TV channel according to the channel switching mode.
  • the second set top box can identify the corresponding channel change signal of the channel switching signal by demodulating the channel switching signal, and performing channel change according to the channel change button, which may include: the second set top box can identify the channel change button In order to browse the TV channel change button, the TV channel can be switched to the previous channel of the currently playing TV channel; the second set top box can recognize that the channel change button is the channel change button for browsing the TV channel backwards. Switching the TV channel to the next channel of the currently playing TV channel; the second set top box can recognize that the channel change button is a number key, and can switch the TV channel to the TV channel specified by the number key.
  • Step S205 Send the TV data of the current TV channel to the first set top box.
  • the second set top box after receiving the channel switching signal sent by the first set top box, switches the currently playing TV channel, and can transmit the TV signal of the switched TV channel to the first set top box through the HDMI output interface.
  • FIG. 3 it is a flowchart of a method for switching a television channel according to another embodiment of the present invention.
  • the method includes:
  • Step S301 Receive a first button signal of the first remote control device.
  • the first remote control device is a remote controller of the first set top box;
  • the first button signal is a button signal triggered when the user presses a button on the first remote control device.
  • the first remote control device may encode the button information and send a wireless signal to the first set top box through the wireless transmitter; the first set top box receives the wireless signal through the wireless receiver, and solves the problem.
  • the key information corresponding to the wireless signal can be obtained.
  • the first remote control device may encode the information of the button and send the infrared wave to the first set top box through the infrared transmitter, and correspondingly, the first set top box may pass the infrared
  • the receiver receives the infrared wave and converts the infrared wave into a telecommunications No., demodulate the button information corresponding to the electrical signal.
  • the channel change button may be the direction button of the first remote control device for browsing the TV channel forward or backward. It can also be a number key on the first remote control device, and can also be a button with a channel changing function specially agreed by the first remote control device and the first set top box, which is not limited herein.
  • Step S303 determining whether it is necessary to acquire waveform data of the button signal of the second remote control device through the learning process.
  • the first set top box can determine that the second remote control device needs to be acquired through the learning process.
  • the waveform data of the button signal; or the first set top box performs the foregoing step of identifying the button corresponding to the first button signal, and finds the waveform data corresponding to the button in the button-waveform database, if the button-waveform database is empty, then
  • the first set top box can determine that the waveform data of the button signal of the second remote control device needs to be acquired through the learning process; or the first set top box performs the aforementioned button corresponding to the first button signal, and finds the button corresponding to the button in the button-waveform database.
  • the first set-top box can determine that the waveform data of the button signal of the second remote control device needs to be acquired through the learning process.
  • the first set top box can also set other conditions that can trigger the button processing mode of the first set top box to be the learning mode, which is not limited herein.
  • step S305 is performed; if the first set top box determines that it is not needed The waveform data of the button signal of the second remote control device is acquired through the learning process, and then step S313 is performed.
  • Step S305 Generate and output button prompt information, and the button prompt information is used to prompt the user to complete the learning of the button to be set of the first remote control device in a preset order.
  • the first set top box can be configured with the help interface 401 as shown in FIG. 4 to display the virtual model 403 of the first remote control device, and can prompt the user through the focus 405 to press the button to be set currently needed to be learned on the first remote control device;
  • the first set top box may prompt the user to press the learning target button of the button to be set on the second remote control device through a UI element, such as a prompt box or a presentation animation; and may set a waiting time for receiving the button signal of the learning target button.
  • the user may be prompted to re-learn the button to be set, and the learning of the button to be set may be directly ended, and the focus 405 is moved to the next button to be set.
  • the above-mentioned focus 405 may be a way of highlighting the currently-set button, or a method of zooming in on the currently-set button, which is not limited herein.
  • Step S307 Receive a second button signal sent by the second remote control device, where the second button signal is a button signal that is triggered when the user presses the learning target button corresponding to the button to be set on the second remote control device according to the button prompt information.
  • the second button signal is a button signal that is triggered when the user presses the learning target button corresponding to the button to be set on the second remote control device according to the button prompt information.
  • the second button signal is used to control the second set top box.
  • the first set top box receives the button signal sent by the second remote control device.
  • the first set top box can set the waiting time to specify the user in the second remote control. Input time on the device. For example, if the user does not press the learning target button of the button to be set within the waiting time, the user may be prompted to re-learn the button to be set, and the learning of the button to be set may be directly ended, and the focus is moved to the next one.
  • the button to be set The examples are only a part of the embodiments, and may be different in practical applications and should not be construed as limiting.
  • Step S309 Record waveform data of the second button signal; store the waveform of the button to be set and the waveform data of the second button signal in a one-to-one correspondence in the button-waveform database.
  • the first set top box may copy the waveform of the second button signal, and set the waveform data to the waveform data corresponding to the current button to be set, and
  • the waveform data is stored in the button-waveform database in one-to-one correspondence with the button information of the current button to be set; the second button signal is triggered when the user presses the learning target button of the currently-set button on the second remote control device. From the remote control device.
  • Step S311 Determine whether the learning process is completed.
  • the first set top box traverses the button-waveform database. If all the buttons of the first remote control device have corresponding waveform data in the button-wave type database, it is determined that the learning process has been completed; if there is a button of the first remote control device If there is no corresponding waveform data in the button-waveform database, it is judged that the keys of the first remote control device do not completely complete the above learning process. In practical applications, when the first remote When there is a key in all the to-be-set buttons of the control device, the first set-top box asks the user whether to continue learning. If the first set-top box receives the user instruction to end the learning process, the operation of the instruction is executed, and the process ends.
  • the learning process described above if the first set top box receives the user instruction to continue the learning process, the operation of the instruction is executed to continue the learning process.
  • the help interface prompts the user that the "home button" of the first remote control device has not been successfully learned, and asks the user whether to re-learn the "home button” of the first remote control device, if If the received user input is "Yes”, the above learning process is continued; if the received user input is "No", the above learning process is ended.
  • the examples are only a part of the embodiments, and may be different in practical applications and should not be construed as limiting.
  • step S313 is performed; if the first set top box determines that the learning process is not completed, step S305 is performed.
  • Step S313 Identify a button corresponding to the first button signal, and find waveform data corresponding to the button in the button-waveform database.
  • the button-waveform database may mainly store the button information of the first remote control device and the waveform data of the button signal of the second remote control device, wherein the waveform data of the button signal of the second remote control device is used to simulate the second control a button signal of the set top box; the button information of the first remote control device has a one-to-one correspondence with the waveform data of the button signal of the second remote control device, and in the one-to-one correspondence, the button represented by the button signal of the second remote control device
  • the keys represented by the button information of the first remote control device may have a consistent functional meaning.
  • the first set top box can obtain the code information corresponding to the first button signal by demodulating the first button signal, and can determine the button information corresponding to the code information; and then, the first set top box
  • the waveform data of the button signal of the second remote control device corresponding to the button information may be found in the button-waveform database, and a forwarding signal is generated according to the waveform data, and the forwarding signal is used to simulate the second set-top box controlled by the second remote control device. Button signal.
  • the waveform data of the button signal of the second remote control device in the foregoing button-waveform database may be pre-customized, or the first set top box may learn the second through the learning process as described in steps S305 to S309.
  • the button signal of the remote control is obtained.
  • Step S315 Simulate a channel switching signal according to the waveform data corresponding to the button, and send the channel switching signal to the second set top box.
  • the first set top box when the first set top box recognizes that the button information corresponding to the first button signal is the channel change button, the first set top box can find the waveform data corresponding to the channel change button in the button-waveform database;
  • the forwarding signal may be generated according to the waveform data, and the forwarding signal is sent to the second set top box; the forwarding signal is a channel switching signal of the second machine remote control device, and is used to control the second set top box to switch the television channel.
  • the button information prompting process includes: a first stage 4011 and a second stage 4012, including: a help interface 401, a first remote control Device 403 and focus 405.
  • the help interface 401 can be used to present all the button information of the first set top box; the first remote control device 403 can be used to prompt the user to learn the second remote control device button signal as the first remote control device; the focus 405 can be used for prompting The button to be set on the user's current first remote control device.
  • the focus 405 in the first stage 4011 may prompt the user to press the learning target button of the button with the focus 405 on the second remote control device; when the user presses the first stage 4011 on the second remote control device
  • the first set top box receives the button signal sent by the second remote control device, and can switch the help interface 401 from the first stage 4011 to the second stage 4013, wherein the focus 405 is moved. Go to the next button to be set.
  • the first remote control device 403 is a virtual first remote control device.
  • the first set top box 50 shown in FIG. 5 includes: a first signal input module 51, a signal processing module 53, and a signal output module 55, wherein :
  • the first signal input module 51 is configured to receive a first button signal of the first remote control device
  • the signal processing module 53 is configured to identify a button corresponding to the first button signal, and find waveform data corresponding to the button in the button-waveform database;
  • the signal output module 55 is configured to simulate a channel switching signal of the second remote control device according to the waveform data corresponding to the button, and send the channel switching signal to the second set top box.
  • the button-waveform database stores waveform data of the second remote control button signal, and the waveform data of the second remote control button signal is in one-to-one correspondence with the button of the first remote control device; the channel switching signal is used to control the second The set top box switches TV channels.
  • FIG. 6 shows a signal processing module 53 of the first set top box of the embodiment of the present invention.
  • the signal processing module 53 may include a signal identification module 531 and a waveform data acquisition module 533, where:
  • a signal identification module 531 configured to identify a button corresponding to the first button signal
  • the waveform data obtaining module 533 is configured to find waveform data corresponding to the above button in the button-waveform database.
  • the button-waveform database stores waveform data of the second remote control button signal, and the waveform data of the second remote control button signal is in one-to-one correspondence with the buttons of the first remote control device.
  • FIG. 7 is a schematic structural diagram of a signal output module 55 of a first set top box according to an embodiment of the present invention.
  • the signal output module 55 may include: a signal simulation module 551 and a signal sending module 553, where:
  • the signal simulation module 551 is configured to simulate a channel switching signal according to the waveform data corresponding to the button;
  • the signal sending module 553 is configured to send the channel switching signal to the second set top box; the channel switching signal is used to control the second set top box to switch the television channel.
  • FIG. 8 is a schematic structural diagram of a first set top box according to another embodiment of the present invention.
  • the structure of the first set top box 50 is further described.
  • the first set top box 50 includes a first signal input module 51 and a signal processing module.
  • the learning module 57 and the learning trigger module 59 may further include:
  • the learning module 57 is configured to learn, by the learning process, a button signal of the second remote control device before the step of the first signal input module 51 to perform the receiving the first button signal of the first remote control device, and set the button signal to be the first
  • the button signal corresponding to the button to be set of the remote control device the learning process specifically includes: generating and outputting button prompt information, wherein the button prompt information is used to prompt the user to complete the learning of the button to be set of the first remote control device according to a preset sequence; a second button signal sent by the second remote control device, wherein the second button signal is a button signal triggered when the user presses the learning target button corresponding to the button to be set on the second remote control device according to the button prompt information; and the waveform of the second button signal is recorded Data; store the waveform data of the button to be set and the waveform data of the second button signal in a one-to-one correspondence in the button-waveform database; determine whether the learning of all the buttons to be set is completed in a preset order
  • the learning triggering module 59 is configured to: before the learning module 57 performs the step of learning the button signal of the second remote control device by using the learning process, performing: receiving a setting signal sent by the first remote control device, where the setting signal is used for triggering The learning module 57 performs the step of learning the button signal of the second remote control device through the learning process; or executing the button corresponding to the first button signal in the signal processing module 53 to find the button in the button-waveform database In the step of corresponding waveform data, if the button-waveform database is empty, performing the step of learning the button signal of the second remote control device through the learning process; or performing the identification of the first in the signal processing module 53 If the button corresponding to the button signal finds the waveform data corresponding to the button in the button-waveform database, if the button-waveform database does not have the corresponding waveform data of the button, the user is prompted to miss the button and receive the user input. To trigger execution of the button letter of the second remote control device through the learning process A step of.
  • the learning module 57 can include a preset module 571, a second signal input module 573, a storage module 575, and an end module 577 as shown in FIG. 9, wherein:
  • the preset module 571 is configured to generate and output button prompt information, and the button prompt information is used to prompt the user to complete the learning of the button to be set of the first remote control device according to a preset sequence;
  • the second signal input module 573 is configured to receive a second button signal sent by the second remote control device, where the second button signal is triggered when the user presses the learning target button corresponding to the button to be set on the second remote control device according to the button prompt information.
  • Button signal sent by the second remote control device, where the second button signal is triggered when the user presses the learning target button corresponding to the button to be set on the second remote control device according to the button prompt information.
  • the storage module 575 is configured to record waveform data of the second button signal; and store the waveform of the button to be set and the waveform data of the second button signal in a one-to-one correspondence in the button-waveform database;
  • the end module 577 is configured to determine whether the learning of all the to-be-set buttons is completed in a preset order. When the determination result is no, the trigger pre-setting module 571 continues to execute the step of generating and outputting the button prompt information; If yes, the learning process ends.
  • the learning trigger module 59 can include as shown in FIG. 10:
  • a first triggering module 591 configured to receive a setting signal sent by the first remote control device, where the setting signal is used to trigger the learning module 57 to perform the step of learning a key signal of the second remote control device through the learning process;
  • the second triggering module 593 is configured to execute, by the signal processing module 53, the button corresponding to the first button signal, and if the waveform data corresponding to the button is found in the button-waveform database, if If the key-waveform database is empty, the trigger learning module 57 performs the step of learning the key signal of the second remote control device through the learning process; or
  • the third triggering module 595 is configured to perform, by the signal processing module 53, the button corresponding to the first button signal, and when the waveform data corresponding to the button is found in the button-waveform database, if the button-waveform database does not exist.
  • the corresponding waveform data of the button prompts the user to miss the key, and receives the user input to trigger the learning module 57 to perform the step of learning the key signal of the second remote control device through the learning process.
  • the preset module 571 can include a display module 5711 and a prompt module 5713 as shown in FIG. 11, wherein:
  • a display module 5711 configured to display a virtual first remote control device of the first remote control device by using a display device
  • the prompting module 5713 is configured to prompt the user to set the button by the focus on the virtual first remote control device in a preset order; to prompt the user to press the learning target button corresponding to the button to be set on the second remote control device.
  • the ending module 577 can include: a determining module 5771, a first processing module 5773, and a second processing module 5775, as shown in FIG. 12, wherein:
  • the determining module 5771 is configured to determine whether to complete learning of all the to-be-set buttons according to a preset order
  • the first processing module 5773 is configured to: when the determination result is no, trigger the pre-setting module 571 to continue to perform the step of generating and outputting the button prompt information;
  • the second processing module 5775 is configured to end the learning process when the determination result is YES.
  • the determining module 5771 may include: a first determining module 57711 and a second determining module 57713, as shown in FIG. 13, wherein:
  • the first judging module 57711 is configured to traverse the button-waveform database. If all the buttons of the first remote control device have corresponding waveform data in the button-wave type database, it is determined that all the to-be-sets are completed according to the preset order. Key learning;
  • the second judging module 57713 is configured to traverse the button-waveform database. If the button of the first remote control device does not have corresponding waveform data in the button-waveform database, it is determined that all the buttons to be set are not completed according to the preset order. Learning.
  • the second set top box 60 shown in FIG. 14 includes: a receiving module 61, a changing unit 63, and a data sending module 65, wherein:
  • the receiving module 61 is configured to receive a channel switching signal sent by the first set top box
  • the channel changing module 63 is configured to identify a channel switching mode corresponding to the channel switching signal, and switch the television channel according to the channel switching mode;
  • the data sending module 65 is configured to send a data packet of the current TV channel to the first set top box.
  • FIG. 15 is a schematic structural diagram of a first set top box according to a third embodiment of the present invention.
  • the first set top box 150 may include: at least one processor 1501, such as a CPU, at least two network interfaces: a first network interface 1504 and a second network interface 1503, at least one HDMI output interface 1508 and at least An HDMI input interface 1503, at least one infrared transceiver 1506, a memory 1505, and at least one communication bus 1502.
  • the communication bus 1502 is used to implement connection communication between these components.
  • the memory 1505 may be a high speed RAM memory or a non-volatile memory such as at least one disk memory.
  • the memory 1505 can also optionally be at least one storage device located remotely from the processor 1501.
  • a memory 1505 as a computer storage medium may include an operating system, a network communication module, an HDMI module, and a switching television channel program.
  • the HDMI output interface 1508 is mainly used to connect a television set and transmit television data to the television set;
  • the HDMI input interface 1503 is mainly used to connect the second set top box and receive the television data transmitted by the second set top box.
  • the infrared transceiver 1506 is mainly configured to receive the first button signal of the first remote control device, and forward the button signal of the switching TV channel of the second remote control device generated by the first set top box 150; and the processor 1501 can be used to call the memory 1505.
  • buttons of the first remote control device are in one-to-one correspondence;
  • the channel switching signal Simulating a channel switching signal of the second remote control device according to the waveform data corresponding to the button, and transmitting the channel switching signal to the second set top box; the channel switching signal is used to control the second set top box to switch the electric video Road.
  • the processor 1501 further includes: learning, by the learning process, a button signal of the second remote control device, and setting the button signal to the first remote control device
  • the learning process includes: generating and outputting button prompt information, wherein the button prompt information is used to prompt the user to complete the learning of the button to be set of the first remote control device according to a preset sequence; and receiving the second remote control device
  • the second button signal is sent, and the second button signal is a button signal triggered when the user presses the learning target button corresponding to the button to be set on the second remote control device according to the button prompt information; the second button signal is used to control the second set top box; Recording waveform data of the second button signal; storing the waveform data of the button to be set and the waveform data of the second button signal in a button-waveform database in a one-to-one correspondence; determining whether to complete learning of all the buttons to be set according to a preset order, when judging When the result is no
  • the executing, by the processor 1501, the generating and outputting the button prompt information comprises: displaying the virtual first remote control device of the first remote control device on the display device; and passing the focus on the virtual first remote control device in a preset order The user is prompted to set a button to prompt the user to press the learning target button corresponding to the button to be set on the second remote control device.
  • the processor 1501 further includes: receiving a setting signal sent by the first remote control device, where the setting signal is used to trigger the processor 1501 Performing the step of learning a button signal of the second remote control device through a learning process; or performing the identifying a button corresponding to the first button signal, and finding waveform data corresponding to the button in the button-waveform database In the step, if the button-waveform database is empty, performing the step of learning the button signal of the second remote control device through the learning process; or performing the function of identifying the button corresponding to the first button signal, at the button- When the step of finding the waveform data corresponding to the button in the waveform database, if there is no corresponding waveform data of the button in the button-waveform database, the user is prompted to miss the button, and the user input is received to trigger the execution of the learning process. The step of learning a key signal of the second remote control device.
  • FIG. 16 is a schematic diagram of a system for switching television channels according to an embodiment of the present invention
  • the system for switching television channels shown in FIG. 16 includes a first remote control device 163, a first set top box 161, and a second set top box 165, wherein:
  • the first remote control device 163 sends the first button signal to the first set top box 161;
  • the first set top box 161 identifies a button corresponding to the first button signal, and finds waveform data corresponding to the button in the button-waveform database; the button-waveform database stores waveform data of the button signal of the second remote control device, and the second remote control device The waveform data of the button signal is in one-to-one correspondence with the buttons of the first remote control device 163;
  • the first set top box 161 simulates the channel switching signal of the second remote control device according to the waveform data corresponding to the button, and sends the channel switching signal to the second set top box 165; the channel switching signal is used to control the second set top box 165 to switch the television channel.
  • FIG. 17 is a schematic diagram of a system for switching television channels according to another embodiment of the present invention.
  • the system for switching television channels includes a first remote control device 163, a first set top box 161, and a second set top box 165.
  • the second remote control device 167 may be included, wherein the second remote control device 167 may be the second remote control device described in the above content, and details are not described herein again.
  • the first set top box can simulate the channel switching signal of the second remote control device according to the button signal of the first remote control device, and can forward the channel switching signal to the second set top box.
  • the embodiment of the present invention can control the first set-top box and the second set-top box by using only the first remote control device, so that the television end can watch the television program of the second set-top box through the first set-top box;
  • the set-top box learns the button signal of the second remote control device through the learning process, and sets the button signal as the button signal corresponding to the button to be set of the first remote control device.
  • the embodiment of the present invention can also implement the first set-top box to learn in a semi-automatic manner.
  • the button signal of the remote control device reduces the user's operation.
  • the storage medium may be a magnetic disk, an optical disk, or a read-only memory (Read-Only Memory, ROM) or random access memory (RAM).

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Abstract

本发明实施例公开了一种切换电视频道的方法，包括：接收第一遥控装置的第一按键信号；识别第一按键信号对应的按键，在按键-波形数据库中找到该按键对应的波形数据；按键-波形数据库中存储有第二遥控装置按键信号的波形数据，第二遥控装置按键信号的波形数据与第一遥控装置的按键一一对应；根据该按键对应的波形数据模拟出第二遥控装置的频道切换信号，发送频道切换信号至第二机顶盒；频道切换信号用于控制第二机顶盒切换电视频道。釆用本发明，可实现仅用第一遥控装置控制第一机顶盒和第二机顶盒，实现电视端通过第一机顶盒来观看第二机顶盒的电视节目。

Description

一种切换电视频道的方法、装置及系统
本申请要求于2014年08月06日提交中国专利局、申请号为201410385275.1，发明名称为“一种切换电视频道的方法、装置及系统”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及机顶盒(STB)领域，尤其涉及一种智能机顶盒控制传统机顶盒的方法。
背景技术
目前，用户可以将电视与智能机顶盒相连接，通过网线和无线保真Wi-Fi(Wireless Fidelity)接入因特网(Internet)来选择喜欢的电视节目；用户还可以将电视与传统机顶盒相连接，接收运营商提供的固定的电视节目；另外，用户还可以将传统机顶盒与有高清晰度多媒体接口HDMI(High Definition Multimedia Interface)的智能机顶盒叠加来形成“1+1”形式的电视节目收看方法，利用该方法用户既可以实现在电视上观看运营商提供的电视节目，还可以实现在电视上浏览因特网(Internet)上的视频节目。
但是，用户通过现有的智能机顶盒与传统机顶盒构成的上述“1+1”形式来收看传统机顶盒的电视节目时，需要使用传统机顶盒的遥控器来切换电视频道；用户通过现有的智能机顶盒与传统机顶盒叠加的方式来观看节目时，需要维护各自机顶盒的遥控器，容易混淆。
发明内容
本发明实施例所要解决的技术问题是提供一种切换电视频道的方法、装置及系统，可实现仅用第一遥控装置控制第一机顶盒和第二机顶盒，实现电视端通过第一机顶盒来观看第二机顶盒的电视节目。
为解决上述问题，本发明的技术方案为：
本发明实施例提供了一种切换电视频道的方法，该方法包括两个方面的内容。
其中第一方面为第一机顶盒侧的切换电视频道的方法，包括：
接收第一遥控装置的第一按键信号；
识别所述第一按键信号对应的按键，在按键-波形数据库中找到所述按键对应的波形数据；所述按键-波形数据库中存储有第二遥控装置按键信号的波形数据，所述第二遥控装置按键信号的波形数据与所述第一遥控装置的按键一一对应；
根据所述按键对应的波形数据模拟出第二遥控装置的频道切换信号，发送所述频道切换信号至第二机顶盒；所述频道切换信号用于控制所述第二机顶盒切换电视频道。
其中第二方面为第二机顶盒侧的切换电视频道的方法，包括：
接收第一机顶盒发送的频道切换信号；所述频道切换信号为第一机顶盒通过上述所有内容所述的切换电视频道的方法来生成的；
识别所述频道切换信号对应的频道切换方式，并根据所述频道切换方式切换电视频道；
发送当前的电视频道的数据包至所述第一机顶盒。
进一步的，在上述第一方面中，在所述接收第一遥控装置的第一按键信号之前，还包括：通过学习过程学习所述第二遥控装置的按键信号，将所述按键信号设置为所述第一遥控装置的待设置按键对应的按键信号，所述学习过程具体包括：
生成并输出按键提示信息，所述按键提示信息用于提示用户按照预设的顺序完成所述第一遥控装置的待设置按键的学习；
接收第二遥控装置发出的第二按键信号，所述第二按键信号为用户根据所述按键提示信息在第二遥控装置上按下所述待设置按键对应的学习目标按键时触发的按键信号；所述第二按键信号用于控制第二机顶盒；
记录所述第二按键信号的波形数据；将所述待设置按键与所述第二按键信号的波形数据一一对应地存储于按键-波形数据库；
判断是否按照预设的顺序完成对全部待设置按键的学习，当判断结果为否时，继续执行所述生成并输出按键提示信息的步骤；当判断结果为是时，则结束所述学习过程。
本发明实施例提供了一种切换电视频道的装置，该装置包括两个方面内容。
其中第一个方面为第一机顶盒，包括：
第一信号输入模块，用于接收第一遥控装置的第一按键信号；
信号处理模块，用于识别所述第一按键信号对应的按键，在按键-波形数据库中找到与所述按键对应的波形数据；所述按键-波形数据库中存储有第二遥控装置的按键信号的波形数据，所述第二遥控装置的按键信号的波形数据与所述第一遥控装置的按键一一对应；
信号输出模块，用于根据所述按键对应的波形数据模拟出第二遥控装置的频道切换信号，发送所述频道切换信号至第二机顶盒；所述频道切换信号用于控制所述第二机顶盒切换电视频道。
进一步的，上述第一机顶盒还包括：学习模块，用于在所述第一信号输入模块执行所述接收第一遥控装置的第一按键信号的步骤之前，通过学习过程学习所述第二遥控装置的按键信号，将所述按键信号设置为所述第一遥控装置的待设置按键对应的按键信号，所述学习过程具体包括：
生成并输出按键提示信息，所述按键提示信息用于提示用户按照预设的顺序完成所述第一遥控装置的待设置按键的学习；
接收第二遥控装置发出的第二按键信号，所述第二按键信号为用户根据所述按键提示信息在第二遥控装置上按下所述待设置按键对应的学习目标按键时触发的按键信号；
记录所述第二按键信号的波形数据；将所述待设置按键与所述第二按键信号的波形数据一一对应地存储于按键-波形数据库；
判断是否按照预设的顺序完成对全部待设置按键的学习，当判断结果为否时，继续执行所述生成并输出按键提示信息的步骤，当判断结果为是时，则结束所述学习过程。
其中第二个方面为第二机顶盒，包括：
接收模块，用于接收第一机顶盒发送的频道切换信号；
换台模块，用于识别所述频道切换信号对应的频道切换方式，并根据所述频道切换方式切换电视频道；
数据发送模块，用于发送当前的电视频道的数据包至所述第一机顶盒。
本发明实施例还提供了一种切换电视频道的系统，该系统包括上述所有内容所述的第一机顶盒、第一遥控装置和第二机顶盒，还可以包括上述内容中所述的第二遥控装置。
通过实施本发明实施例，第一机顶盒可以根据第一遥控装置的按键信号来模拟出第二遥控装置的频道切换信号，并可将该频道切换信号转发给第二机顶盒，来切换第二机顶盒的当前的播放节目，本发明实施例可实现仅用第一遥控装置控制第一机顶盒和第二机顶盒，实现电视端通过第一机顶盒来观看第二机顶盒的电视节目；另外，第一机顶盒通过学习过程学习第二遥控装置的按键信号，将该按键信号设置为第一遥控装置的待设置按键对应的按键信号，本发明实施例还可实现第一机顶盒以半自动的方式来学习第二遥控装置的按键信号，减少了用户操作。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明的一种实施例的第一机顶盒侧的切换电视频道的方法的流程图；
图2是本发明的一种实施例的第二机顶盒侧的切换电视频道的方法的流程图；
图3是本发明的另一种实施例的切换电视频道的方法的流程图；
图4是本发明实施例的概念上的按键信息提示过程的示意图；
图5是本发明的一种实施例的第一机顶盒的结构示意图；
图6是本发明实施例的第一机顶盒的信号处理模块的结构示意图；
图7是本发明实施例的第一机顶盒的信号输出模块的结构示意图；
图8是本发明的另一种实施例的第一机顶盒的结构示意图；
图9是本发明实施例的第一机顶盒的学习模块的结构示意图；
图10是本发明实施例的第一机顶盒的学习触发模块的结构示意图；
图11是本发明实施例的第一机顶盒的预设置模块的结构示意图；
图12是本发明实施例的第一机顶盒的结束模块的结构示意图；
图13是本发明实施例的第一机顶盒的判断模块的结构示意图；
图14是本发明的一种实施例的第二机顶盒的结构示意图；
图15是本发明的第三种实施例的第一机顶盒的结构示意图；
图16是本发明的一种实施例的切换电视频道的系统示意图；
图17是本发明的另一种实施例的切换电视频道的系统示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
需要说明的是，在本发明实施例中使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本发明。在本发明实施例和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。还应当理解，本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
参见图1，是本发明提供的一种实施例的第一机顶盒侧的切换电视频道的方法的流程图，该方法包括：
步骤S101：接收第一遥控装置的第一按键信号。
具体的，第一遥控装置是第一机顶盒的遥控器；第一按键信号是用户按下第一遥控装置上的按键时触发的按键信号。当用户在第一遥控装置上按下按键时，第一遥控装置可将该按键信息编码后通过无线发射器发送无线信号给第一机顶盒；第一机顶盒通过无线接收器接收该无线信号，通过解调可获取该无线信号对应的按键信息。
优选的，由于红外收发器需要的功率小，产生的干扰小，第一遥控装置可以将上述按键的信息编码后通过红外线发射器发送红外波给第一机顶盒，相应的，第一机顶盒可通过红外线接收器接收该红外波，并将该红外波转换成电信 号，解调出该电信号对应的按键信息。
需要说明的，当上述第一按键信号为用户按下第一遥控装置的换台按键时触发的，该换台按键既可以是第一遥控装置上的向前或向后浏览电视频道的方向按键，还可以是第一遥控装置上的数字键，还可以是第一遥控装置和第一机顶盒特别约定的具有换台功能的按键，这里不作限制。
步骤S103：识别第一按键信号对应的按键，在按键-波形数据库中找到与该按键对应的波形数据；按键-波形数据库中存储有第二遥控装置按键信号的波形数据，第二遥控装置按键信号的波形数据与第一遥控装置的按键一一对应。
具体的，按键-波形数据库中可主要存储有第一遥控装置的按键信息和第二遥控装置的按键信号的波形数据，其中，第二遥控装置的按键信号的波形数据用于模拟出控制第二机顶盒的按键信号；第一遥控装置的按键信息与第二遥控装置的按键信号的波形数据是一一对应的关系，在该一一对应的关系中，该第二遥控装置的按键信号代表的按键与该第一遥控装置的按键信息代表的按键可具有一致的功能意义。例如，在按键-波形数据库中，第一遥控器的向后换台的方向按键与波形A相对应，该波形A是第二遥控器的向后换台的方向按键的按键信号的波形。又例如，在按键-波形数据库中，第一遥控器的“+”音量增加键与波形B相对应，该波形B是第二遥控器的“+”音量增加键的按键信号的波形。
具体的，如步骤S101中所述的方法，第一机顶盒可以通过解调第一按键信号来获取第一按键信号对应的编码信息，并可以判断该编码信息对应的按键信息；然后，第一机顶盒可在按键-波形数据库中找到该按键信息对应的第二遥控装置的按键信号的波形数据，并根据该波形数据生成转发信号，该转发信号用来模拟第二遥控装置发出的控制第二机顶盒的按键信号。
需要说明的是，前述按键-波形数据库中的第二遥控装置的按键信号的波形数据既可以是预先定制的，还可以是第一机顶盒通过学习过程学习第二遥控装置的按键信号来获得的。
步骤S105：根据所述按键对应的波形数据模拟出第二遥控装置的频道切换信号，发送所述频道切换信号至第二机顶盒；所述频道切换信号用于控制所述第二机顶盒切换电视频道。
具体的，如步骤S103所述，当第一机顶盒识别出第一按键信号对应的按键信息为换台按键时，第一机顶盒可在按键-波形数据库中找到该换台按键对应的波形数据；并可根据该波形数据生成转发信号，发送该转发信号至第二机顶盒；该转发信号即为第二机遥控装置的频道切换信号，用来控制第二机顶盒切换电视频道。
进一步的，在步骤S101之前，第一机顶盒还可设置当前按键处理模式为转发模式，上述步骤S101至步骤S105所述内容即可为第一机顶盒在转发模式下对第一遥控装置的按键信号的处理流程；在转发模式下，第一机顶盒在接收到第一遥控装置的第一按键信号之后，执行如步骤S103和步骤S105所述的过程，将第一按键信号转换成第二机顶盒的频道切换信号，发送给第二机顶盒来控制第二机顶盒切换电视频道；相对比的，当第一机顶盒的按键处理模式为正常模式时，在接收到第一遥控装置的第一按键信号之后，可识别出第一按键信号对应的指令，并执行该指令对应的操作。例如，在正常的按键处理模式下，第一机顶盒接收第一遥控装置的“+”音量增加按键的按键信号，扩大音量调节电路的输出来增加第一机顶盒的输出音量；在转发模式下，第一机顶盒接收第一遥控装置的“+”音量增加按键的按键信号，根据该按键在按键-波形数据库中对应的波形数据生成新按键信号，并发送该新按键信号至第二机顶盒，扩大第二机顶盒的输出音量。
另外，上述内容中所述的第一机顶盒和第二机顶盒可以通过HDMI线相连，在第一机顶盒通过无线发射器发送前述频道切换信号至第二机顶盒之后，第一机顶盒通过HDMI输入接口接收第二机顶盒传输的电视信号，该电视信号为第二机顶盒在接收该频道切换信号后切换至新的电视频道来获取的。
更进一步的，在前述转发模式之前，第一机顶盒可设置按键处理模式为学习模式，可以通过上述学习过程获得按键-波形数据库中的按键和波形数据；在该学习模式下，第一机顶盒可以通过学习过程学习第二遥控装置的按键信号，将第二遥控装置的按键信号设置为第一遥控装置的待设置按键对应的按键信号，该学习过程具体包括：
第一机顶盒生成并输出按键提示信息，该按键提示信息用于提示用户按照预设的顺序完成第一遥控装置的待设置按键的学习；
第一机顶盒接收第二遥控装置发出的第二按键信号，第二按键信号为用户根据该按键提示信息在第二遥控装置上按下待设置按键对应的学习目标按键时触发的按键信号；第二按键信号用于控制第二机顶盒；
第一机顶盒记录第二按键信号的波形数据；将待设置按键与第二按键信号的波形数据一一对应地存储于按键-波形数据库；
第一机顶盒判断是否按照预设的顺序完成对全部待设置按键的学习，当判断结果为否时，继续执行上述生成并输出按键提示信息的步骤，当判断结果为是时，则结束该学习过程。
具体的，第一机顶盒可通过显示装置显示如图4所示的帮助界面401，生成并输出按键提示信息，其过程包括：第一机顶盒在显示装置上显示第一遥控装置的虚拟的第一遥控装置；按前述预设的顺序在该虚拟的第一遥控装置上通过焦点来提示用户待设置按键；以提示用户在第二遥控装置上按下待设置按键对应的学习目标按键。如图4所示，第一机顶盒可在该帮助界面401上显示第一遥控装置的虚拟模型403，并可通过焦点405来提示用户第一遥控装置上当前需要学习的待设置按键；同时，第一机顶盒可以通过UI元素，例如提示框或者演示动画，来提示用户在第二遥控装置上按下该待设置按键的学习目标按键。上述焦点既可以是高亮当前待设置按键的方式，还可以是放大当前待设置按键的方式，这里不作限制。
具体的，在用户根据上述按键提示信息按下第二遥控装置上的按键之后，第一机顶盒接收第二遥控装置发送的按键信号，实际应用中，第一机顶盒可以通过设置等待时间来规定用户在第二遥控装置上的输入时间。例如，如果用户在该等待时间内未按下该待设置按键的学习目标按键，则可以提示用户重新学习该待设置按键，还可以直接结束该待设置按键的学习，将上述焦点移至下一个待设置按键。示例仅仅是实施例的一部分，实际应用中还可不同，不应构成限定。
具体的，第一机顶盒在接收到第二遥控装置发送的第二按键信号之后，可拷贝第二按键信号的波形，将该波形数据设置为当前的待设置按键对应的波形数据，并可将该波形数据与当前的待设置按键的按键信息一一对应的存储于按键-波形数据库中；该第二按键信号为用户在第二遥控装置上按下当前待设置 按键的学习目标按键时触发第二遥控装置发出的。
具体的，上述第一机顶盒判断是否按照预设的顺序完成对全部待设置按键的学习可以包括：第一机顶盒遍历按键-波形数据库，如果第一遥控装置的全部按键都在按键-波型数据库中有各自对应的波形数据，则判断上述学习过程已完成；如果存在有第一遥控装置的按键在按键-波形数据库中没有相对应的波形数据，则判断第一遥控装置的按键没有全部完成上述学习过程。实际应用中，当第一遥控装置的全部待设置按键中存在有按键没有完成上述学习过程时，第一机顶盒询问用户是否要继续学习，如果第一机顶盒接收到结束上述学习过程的用户指令，则执行该指令的操作，结束上述学习过程；如果第一机顶盒接收到继续上述学习过程的用户指令，则执行该指令的操作，继续上述学习过程。例如，当上述学习过程结束时，上述帮助界面提示用户第一遥控装置的“主页按键(Home)”没有学习成功，并询问用户是否重新学习第一遥控装置的“主页按键(Home)”，如果接收到的用户输入为“是”，则继续上述学习过程；如果接收到的用户输入为“否”，则结束上述学习过程。示例仅仅是实施例的一部分，实际应用中还可不同，不应构成限定。
需要说明的是，上述第一遥控装置的待设置按键既可以是第一遥控装置的全部按键，也可以是在学习模式下，第一机顶盒预先设定的第一遥控装置上的部分按键，这里不作限制；上述预设顺序为第一机顶盒预定的，用来安排第一遥控装置上的全部待设置按键依次进行学习的顺序，该预设顺序可以是任意顺序的按键排列，这里不作限制；上述学习目标按键可为第二遥控装置上的与第一遥控装置的当前的待设置按键功能意义一致的按键，例如，当第一遥控装置的当前的待设置按键为“+”音量增加按键时，则第一遥控装置的“+”音量增加按键需要学习的学习目标按键为第二遥控装置上的“+”音量增加按键；上述第二遥控装置为第二机顶盒的遥控装置，用来控制第二机顶盒。示例仅仅是实施例的一部分，实际应用中还可不同，不应构成限定。
更进一步的，在第一机顶盒执行上述设置按键处理模式为学习模式的步骤之前，还可以执行包括：接收第一遥控装置发送的设置信号，该设置信号用于设置第一机顶盒的按键处理模式为学习模式，则执行上述通过学习过程学习所述第二遥控装置的按键信号的步骤；或在执行前述识别第一按键信号对应的按 键，在按键-波形数据库中找到与该按键对应的波形数据的步骤时，如按键-波形数据库为空，则执行上述通过学习过程学习所述第二遥控装置的按键信号的步骤；或在执行前述识别第一按键信号对应的按键，在按键-波形数据库中找到与该按键对应的波形数据的步骤时，如果按键-波形数据库中没有该按键的相应的波形数据，则提示用户该按键漏码，接收用户输入来触发执行上述通过学习过程学习第二遥控装置的按键信号的步骤。
具体的，学习模式的触发情形可主要包括：当用户在第一遥控装置上按下特定的设置按键时，该特定的设置按键用于触发第一机顶盒的按键处理模式为学习模式，第一机顶盒设置当前的按键处理模式为学习模式，执行前述通过显示装置显示上述学习过程的帮助界面，生成并输出按键提示信息的步骤；或者当第一机顶盒在转发模式下执行上述在按键-波形数据库中找到与该按键对应的波形数据的步骤时，如果按键-波形数据库为空，则可自动切换当前的按键处理模式为学习模式，可以通过上述学习过程获得按键-波形数据库中的按键和波形数据；或者当第一机顶盒在转发模式下执行上述在按键-波形数据库中找到与该按键对应的波形数据的步骤时，如果该按键没有相对应的波形数据，则可提示用户该按键漏码，如果接收到学习该按键的用户指令，则可以设置当前的按键处理模式为学习模式，执行前述通过显示装置显示上述学习过程的帮助界面，生成并输出按键提示信息的步骤。
再进一步的，如果第二遥控装置发送的按键信号为红外波时，第一机顶盒接收第二遥控装置发出的第二按键信号为通过红外波接收器来接收第二按键信号；第一机顶盒发送频道切换信号至第二机顶盒为通过红外波发射器来发送频道切换信号至第二机顶盒。
具体的，第一机顶盒在学习模式下，第一机顶盒可以通过红外线接收器接收第二遥控装置的发出的按键信号，该红外线接收器可以与第二机顶盒上的红外线接收器相同；第一机顶盒在转发模式下，第一机顶盒接收第一遥控装置的按键信号之后，根据该按键信号生成转发信号，可以通过红外线发射器发送该转发信号至第二机顶盒，该红外线发射器可以与第二遥控装置上的红外线发射器相同。
参见图2，是本发明提供的一种实施例的第二机顶盒侧的切换电视频道的 方法的流程图，该方法包括：
步骤S201：接收第一机顶盒发送的频道切换信号。
具体的，第二机顶盒可通过红外线接收器接收第一机顶盒转发的频道切换信号，该频道切换信号为第一机顶盒根据第一遥控装置的换台按键在按键-波形数据库中对应的波形数据模拟产生的。
步骤S203：识别该频道切换信号对应的频道切换方式，并根据该频道切换方式切换电视频道。
具体的，第二机顶盒可通过解调该频道切换信号，识别该频道切换信号的对应的换台按键，根据该换台按键进行换台，具体可以包括：第二机顶盒可识别出该换台按键为向前浏览电视频道的换台按键，则可切换电视频道至当前播放的电视频道的前一个频道；第二机顶盒可识别出该换台按键为向后浏览电视频道的换台按键，则可切换电视频道至当前播放的电视频道的后一个频道；第二机顶盒可识别出该换台按键为数字键，则可切换电视频道至该数字键指定的电视频道。
步骤S205：发送当前的电视频道的电视数据至第一机顶盒。
具体的，第二机顶盒在接收第一机顶盒发送的频道切换信号之后，切换当前播放的电视频道，并可将切换后的电视频道的电视信号通过HDMI输出接口传送给第一机顶盒。
参见图3，是本发明提供的另一种实施例的切换电视频道的方法的流程图，该方法包括：
步骤S301：接收第一遥控装置的第一按键信号。
具体的，第一遥控装置是第一机顶盒的遥控器；第一按键信号是用户按下第一遥控装置上的按键时触发的按键信号。当用户在第一遥控装置上按下按键时，第一遥控装置可将该按键信息编码后通过无线发射器发送无线信号给第一机顶盒；第一机顶盒通过无线接收器接收该无线信号，通过解调可获取该无线信号对应的按键信息。
优选的，由于红外收发器需要的功率小，产生的干扰小，第一遥控装置可以将上述按键的信息编码后通过红外线发射器发送红外波给第一机顶盒，相应的，第一机顶盒可通过红外线接收器接收该红外波，并将该红外波转换成电信 号，解调出该电信号对应的按键信息。
需要说明的，当上述第一按键信号为用户按下第一遥控装置的换台按键时触发的，该换台按键既可以是第一遥控装置上的向前或向后浏览电视频道的方向按键，还可以是第一遥控装置上的数字键，还可以是第一遥控装置和第一机顶盒特别约定的具有换台功能的按键，这里不作限制。
步骤S303：判断是否需要通过学习过程来获取第二遥控装置的按键信号的波形数据。
具体的，如果第一机顶盒接收第一遥控装置发送的设置信号，该设置信号用于设置第一机顶盒的按键处理模式为学习模式，则第一机顶盒可以判断需要通过学习过程来获取第二遥控装置的按键信号的波形数据；或者第一机顶盒在执行前述识别第一按键信号对应的按键，在按键-波形数据库中找到与该按键对应的波形数据的步骤时，如按键-波形数据库为空，则第一机顶盒可以判断需要通过学习过程来获取第二遥控装置的按键信号的波形数据；或者第一机顶盒在执行前述识别第一按键信号对应的按键，在按键-波形数据库中找到与该按键对应的波形数据的步骤时，如果按键-波形数据库中没有该按键相应的波形数据，则第一机顶盒可以判断需要通过学习过程来获取第二遥控装置的按键信号的波形数据。在实际应用中，第一机顶盒还可以设置其他能触发第一机顶盒的按键处理模式为学习模式的条件，这里不作限制。
具体的，在第一机顶盒接收到上述第一按键信号之后，如果第一机顶盒判定需要通过学习过程来获取第二遥控装置的按键信号的波形数据，则执行步骤S305；如果第一机顶盒判定不需要通过学习过程来获取第二遥控装置的按键信号的波形数据，则执行步骤S313。
步骤S305：生成并输出按键提示信息，按键提示信息用于提示用户按照预设的顺序完成第一遥控装置的待设置按键的学习。
具体的，第一机顶盒可设置如图4所示的帮助界面401来显示第一遥控装置的虚拟模型403，并可通过焦点405来提示用户第一遥控装置上当前需要学习的待设置按键；同时，第一机顶盒可以通过UI元素，例如提示框或者演示动画，来提示用户在第二遥控装置上按下该待设置按键的学习目标按键；并且可以设置接收该学习目标按键的按键信号的等待时间，如果用户在该等待时间 内未按下该待设置按键的学习目标按键，则可以提示用户重新学习该待设置按键，还可以直接结束该待设置按键的学习，将焦点405移至下一个待设置按键。上述焦点405既可以是高亮当前待设置按键的方式，还可以是放大当前待设置按键的方式，这里不作限制。
步骤S307：接收第二遥控装置发出的第二按键信号，第二按键信号为用户根据按键提示信息在第二遥控装置上按下待设置按键对应的学习目标按键时触发的按键信号。
具体的，第二按键信号用于控制第二机顶盒。在用户根据上述按键提示信息按下第二遥控装置上的按键之后，第一机顶盒接收第二遥控装置发送的按键信号，实际应用中，第一机顶盒可以通过设置等待时间来规定用户在第二遥控装置上的输入时间。例如，如果用户在该等待时间内未按下该待设置按键的学习目标按键，则可以提示用户重新学习该待设置按键，还可以直接结束该待设置按键的学习，将上述焦点移至下一个待设置按键。示例仅仅是实施例的一部分，实际应用中还可不同，不应构成限定。
步骤S309：记录第二按键信号的波形数据；将待设置按键与第二按键信号的波形数据一一对应的存储于按键-波形数据库。
具体的，第一机顶盒在接收到第二遥控装置发送的第二按键信号之后，可拷贝第二按键信号的波形，将该波形数据设置为当前的待设置按键对应的波形数据，并可将该波形数据与当前的待设置按键的按键信息一一对应的存储于按键-波形数据库中；该第二按键信号为用户在第二遥控装置上按下当前待设置按键的学习目标按键时触发第二遥控装置发出的。
步骤S311：判断学习过程是否完成。
具体的，判断是否按照预设的顺序完成对全部待设置按键的学习，当判断结果为否时，继续执行所述生成并输出按键提示信息的步骤；当判断结果为是时，则结束所述学习过程。
第一机顶盒遍历按键-波形数据库，如果第一遥控装置的全部按键都在按键-波型数据库中有各自对应的波形数据，则判断上述学习过程已完成；如果存在有第一遥控装置的按键在按键-波形数据库中没有相对应的波形数据，则判断第一遥控装置的按键没有全部完成上述学习过程。实际应用中，当第一遥 控装置的全部待设置按键中存在有按键没有完成上述学习过程时，第一机顶盒询问用户是否要继续学习，如果第一机顶盒接收到结束上述学习过程的用户指令，则执行该指令的操作，结束上述学习过程；如果第一机顶盒接收到继续上述学习过程的用户指令，则执行该指令的操作，继续上述学习过程。例如，当上述学习过程结束时，上述帮助界面提示用户第一遥控装置的“主页按键(Home)”没有学习成功，并询问用户是否重新学习第一遥控装置的“主页按键(Home)”，如果接收到的用户输入为“是”，则继续上述学习过程；如果接收到的用户输入为“否”，则结束上述学习过程。示例仅仅是实施例的一部分，实际应用中还可不同，不应构成限定。
具体的，如果第一机顶盒判定上述学习过程已完成，则执行步骤S313；如果第一机顶盒判定上述学习过程未完成，则执行步骤S305。
步骤S313：识别第一按键信号对应的按键，在按键-波形数据库中找到与该按键对应的波形数据。
具体的，按键-波形数据库中可主要存储有第一遥控装置的按键信息和第二遥控装置的按键信号的波形数据，其中，第二遥控装置的按键信号的波形数据用于模拟出控制第二机顶盒的按键信号；第一遥控装置的按键信息与第二遥控装置的按键信号的波形数据是一一对应的关系，在该一一对应的关系中，该第二遥控装置的按键信号代表的按键与该第一遥控装置的按键信息代表的按键可具有一致的功能意义。
具体的，如步骤S301中所述的方法，第一机顶盒可以通过解调第一按键信号来获取第一按键信号对应的编码信息，并可以判断该编码信息对应的按键信息；然后，第一机顶盒可在按键-波形数据库中找到该按键信息对应的第二遥控装置的按键信号的波形数据，并根据该波形数据生成转发信号，该转发信号用来模拟第二遥控装置发出的控制第二机顶盒的按键信号。
需要说明的是，前述按键-波形数据库中的第二遥控装置的按键信号的波形数据既可以是预先定制的，还可以是第一机顶盒通过如步骤S305至步骤S309所述的学习过程学习第二遥控装置的按键信号来获得的。
步骤S315：根据上述按键对应的波形数据模拟出频道切换信号，发送该频道切换信号至第二机顶盒。
具体的，如步骤S313所述，当第一机顶盒识别出第一按键信号对应的按键信息为换台按键时，第一机顶盒可在按键-波形数据库中找到该换台按键对应的波形数据；并可根据该波形数据生成转发信号，发送该转发信号至第二机顶盒；该转发信号即为第二机遥控装置的频道切换信号，用来控制第二机顶盒切换电视频道。
参见图4，是本发明的一种实施例的概念上的按键信息提示过程的示意图，该按键信息提示过程包括：第一阶段4011和第二阶段4012，其中包括：帮助界面401、第一遥控装置403以及焦点405。
具体的，帮助界面401，可用于呈现第一机顶盒的全部按键信息；第一遥控装置403，可用于提示用户当前正在学习第二遥控装置按键信号的为第一遥控装置；焦点405，可用于提示用户当前第一遥控装置上的待设置按键。
具体的，第一阶段4011中的焦点405可提示用户在第二遥控装置上按下与该焦点405所处的按键的学习目标按键；当用户在第二遥控装置上按下第一阶段4011中的焦点405所提示的按键的学习目标按键时，第一机顶盒接收到第二遥控装置发出的按键信号，可将帮助界面401从第一阶段4011切换到第二阶段4013，其中，焦点405被移至下一个待设置按键。
需特别说明的，第一遥控装置403为虚拟的第一遥控装置。
参见图5，是本发明的一种实施例的第一机顶盒的结构示意图，如图5示出的第一机顶盒50包括：第一信号输入模块51、信号处理模块53以及信号输出模块55，其中：
第一信号输入模块51，用于接收第一遥控装置的第一按键信号；
信号处理模块53，用于识别第一按键信号对应的按键，在按键-波形数据库中找到与该按键对应的波形数据；
信号输出模块55，用于根据该按键对应的波形数据模拟出第二遥控装置的频道切换信号，发送该频道切换信号至第二机顶盒。
具体的，上述按键-波形数据库中存储有第二遥控装置按键信号的波形数据，第二遥控装置按键信号的波形数据与第一遥控装置的按键一一对应；上述频道切换信号用于控制第二机顶盒切换电视频道。
进一步的，图6示出了本发明实施例的第一机顶盒的信号处理模块53的 结构示意图，信号处理模块53可以包括：信号识别模块531和波形数据获取模块533，其中：
信号识别模块531，用于识别第一按键信号对应的按键；
波形数据获取模块533，用于在按键-波形数据库中找到与上述按键对应的波形数据。
具体的，按键-波形数据库中存储有第二遥控装置按键信号的波形数据，第二遥控装置按键信号的波形数据与第一遥控装置的按键一一对应。
进一步的，图7示出了本发明实施例的第一机顶盒的信号输出模块55的结构示意图，信号输出模块55可以包括：信号模拟模块551和信号发送模块553，其中：
信号模拟模块551，用于根据上述按键对应的波形数据模拟出频道切换信号；
信号发送模块553，用于发送该频道切换信号至第二机顶盒；该频道切换信号用于控制第二机顶盒切换电视频道。
再进一步的，图8示出了本发明的另一种实施例的第一机顶盒的结构示意图，再详细说明第一机顶盒50的结构，第一机顶盒50包括第一信号输入模块51、信号处理模块53以及信号输出模块55外，还可以包括：学习模块57和学习触发模块59，其中：
学习模块57，用于在第一信号输入模块51执行所述接收第一遥控装置的第一按键信号的步骤之前，通过学习过程学习第二遥控装置的按键信号，将该按键信号设置为第一遥控装置的待设置按键对应的按键信号，该学习过程具体包括：生成并输出按键提示信息，该按键提示信息用于提示用户按照预设的顺序完成第一遥控装置的待设置按键的学习；接收第二遥控装置发出的第二按键信号，第二按键信号为用户根据按键提示信息在第二遥控装置上按下待设置按键对应的学习目标按键时触发的按键信号；记录第二按键信号的波形数据；将待设置按键与第二按键信号的波形数据一一对应地存储于按键-波形数据库；判断是否按照预设的顺序完成对全部待设置按键的学习，当判断结果为否时，继续执行所述生成并输出按键提示信息的步骤，当判断结果为是时，则结束该学习过程。
学习触发模块59，用于在学习模块57执行所述通过学习过程学习所述第二遥控装置的按键信号的步骤之前，执行包括：接收第一遥控装置发送的设置信号，该设置信号用于触发学习模块57执行所述通过学习过程学习所述第二遥控装置的按键信号的步骤；或在信号处理模块53执行所述识别第一按键信号对应的按键，在按键-波形数据库中找到与上述按键对应的波形数据的步骤时，如果按键-波形数据库为空，则执行所述通过学习过程学习所述第二遥控装置的按键信号的步骤；或在信号处理模块53执行所述识别所述第一按键信号对应的按键，在按键-波形数据库中找到与上述按键对应的波形数据的步骤时，如果按键-波形数据库中没有该按键的相应的波形数据，则提示用户该按键漏码，接收用户输入来触发执行所述通过学习过程学习所述第二遥控装置的按键信号的步骤。
再进一步的，学习模块57可以如图9所示包括：预设置模块571、第二信号输入模块573、存储模块575和结束模块577，其中：
预设置模块571，用于生成并输出按键提示信息，按键提示信息用于提示用户按照预设的顺序完成第一遥控装置的待设置按键的学习；
第二信号输入模块573，用于接收第二遥控装置发出的第二按键信号，第二按键信号为用户根据按键提示信息在第二遥控装置上按下待设置按键对应的学习目标按键时触发的按键信号；
存储模块575，用于记录第二按键信号的波形数据；将待设置按键与第二按键信号的波形数据一一对应的存储于按键-波形数据库；
结束模块577，用于判断是否按照预设的顺序完成对全部待设置按键的学习，当判断结果为否时，触发预设置模块571继续执行所述生成并输出按键提示信息的步骤；当判断结果为是时，则结束所述学习过程。
再进一步的，学习触发模块59可以如图10所示包括：
第一触发模块591，用于接收第一遥控装置发送的设置信号，该设置信号用于触发学习模块57执行所述通过学习过程学习第二遥控装置的按键信号的步骤；或
第二触发模块593，用于在信号处理模块53执行所述识别第一按键信号对应的按键，在按键-波形数据库中找到与该按键对应的波形数据时，如果按 键-波形数据库为空，则触发学习模块57执行所述通过学习过程学习第二遥控装置的按键信号的步骤；或
第三触发模块595，用于在信号处理模块53执行所述识别所述第一按键信号对应的按键，在按键-波形数据库中找到与该按键对应的波形数据时，如果按键-波形数据库中没有该按键相应的波形数据，则提示用户该按键漏码，接收用户输入来触发学习模块57执行所述通过学习过程学习第二遥控装置的按键信号的步骤。
再进一步的，预设置模块571可以如图11所示包括：显示模块5711和提示模块5713，其中：
显示模块5711，用于通过显示装置显示所述第一遥控装置的虚拟的第一遥控装置；
提示模块5713，用于按预设的顺序在虚拟的第一遥控装置上通过焦点来提示用户待设置按键；以提示用户在第二遥控装置上按下待设置按键对应的学习目标按键。
再进一步的，结束模块577可以如图12所示包括：判断模块5771、第一处理模块5773和第二处理模块5775，其中：
判断模块5771，用于判断是否按照预设的顺序完成对全部待设置按键的学习；
第一处理模块5773，用于当判断结果为否时，触发预设置模块571继续执行所述生成并输出按键提示信息的步骤；
第二处理模块5775，用于当判断结果为是时，则结束所述学习过程。
再进一步的，判断模块5771可以如图13所示包括：第一判断模块57711和第二判断模块57713，其中：
第一判断模块57711，用于遍历按键-波形数据库，如果第一遥控装置的全部按键都在按键-波型数据库中有各自对应的波形数据，则判断按照预设的顺序已完成对全部待设置按键的学习；
第二判断模块57713，用于遍历按键-波形数据库，如果存在有第一遥控装置的按键在按键-波形数据库中没有相对应的波形数据，则判断按照预设的顺序未完成对全部待设置按键的学习。
参见图14，是本发明的一种实施例的第二机顶盒的结构示意图，如图14示出的第二机顶盒60包括：接收模块61、换台模块63和数据发送模块65，其中：
接收模块61，用于接收第一机顶盒发送的频道切换信号；
换台模块63，用于识别所述频道切换信号对应的频道切换方式，并根据所述频道切换方式切换电视频道；
数据发送模块65，用于发送当前的电视频道的数据包至所述第一机顶盒。
参见图15，图15是本发明的第三种实施例提供的第一机顶盒的结构示意图。其中，如图15所示，第一机顶盒150可以包括：至少一个处理器1501，例如CPU，至少两个网络接口：第一网络接口1504和第二网络接口1503，至少一个HDMI输出接口1508和至少一个HDMI输入接口1503，至少一个红外线收发器1506，存储器1505以及至少一个通信总线1502。其中，通信总线1502用于实现这些组件之间的连接通信。其中，存储器1505可以是高速RAM存储器，也可以是非不稳定的存储器(non-volatile memory)，例如至少一个磁盘存储器。存储器1505可选的还可以是至少一个位于远离前述处理器1501的存储装置。如图15所示，作为一种计算机存储介质的存储器1505中可以包括操作系统、网络通信模块、HDMI模块以及切换电视频道程序。
在图15所示的第一机顶盒150中，HDMI输出接口1508主要用于连接电视机，传输电视数据给电视机；HDMI输入接口1503主要用于连接第二机顶盒，接收第二机顶盒传送的电视数据；红外线收发器1506主要用于接收第一遥控装置的第一按键信号，并转发第一机顶盒150生成的第二遥控装置的切换电视频道的按键信号；而处理器1501可以用于调用存储器1505中存储的切换电视频道程序，并执行以下操作：
接收第一遥控装置的第一按键信号；
识别第一按键信号对应的按键，在按键-波形数据库中找到该按键对应的波形数据；按键-波形数据库中存储有第二遥控装置按键信号的波形数据，第二遥控装置按键信号的波形数据与第一遥控装置的按键一一对应；
根据该按键对应的波形数据模拟出第二遥控装置的频道切换信号，发送该频道切换信号至第二机顶盒；该频道切换信号用于控制第二机顶盒切换电视频 道。
进一步的，处理器1501在执行所述接收第一遥控装置的第一按键信号的步骤之前，还执行包括：通过学习过程学习第二遥控装置的按键信号，将按键信号设置为第一遥控装置的待设置按键对应的按键信号，该学习过程具体包括：生成并输出按键提示信息，按键提示信息用于提示用户按照预设的顺序完成第一遥控装置的待设置按键的学习；接收第二遥控装置发出的第二按键信号，第二按键信号为用户根据按键提示信息在第二遥控装置上按下待设置按键对应的学习目标按键时触发的按键信号；第二按键信号用于控制第二机顶盒；记录第二按键信号的波形数据；将待设置按键与第二按键信号的波形数据一一对应地存储于按键-波形数据库；判断是否按照预设的顺序完成对全部待设置按键的学习，当判断结果为否时，继续执行所述生成并输出按键提示信息的步骤；当判断结果为是时，则结束该学习过程。
再进一步的，处理器1501执行所述生成并输出按键提示信息包括：在显示装置上显示第一遥控装置的虚拟的第一遥控装置；按预设的顺序在虚拟的第一遥控装置上通过焦点来提示用户待设置按键，以提示用户在第二遥控装置上按下待设置按键对应的学习目标按键。
再进一步的，处理器1501在执行所述通过学习过程学习所述第二遥控装置的按键信号的步骤之前，还执行包括：接收第一遥控装置发送的设置信号，设置信号用于触发处理器1501执行所述通过学习过程学习所述第二遥控装置的按键信号的步骤；或在执行所述识别所述第一按键信号对应的按键，在按键-波形数据库中找到与该按键对应的波形数据的步骤时，如果按键-波形数据库为空，则执行所述通过学习过程学习所述第二遥控装置的按键信号的步骤；或在执行所述识别所述第一按键信号对应的按键，在按键-波形数据库中找到与所述按键对应的波形数据的步骤时，如果按键-波形数据库中没有该按键的相应的波形数据，则提示用户该按键漏码，接收用户输入来触发执行所述通过学习过程学习所述第二遥控装置的按键信号的步骤。
再进一步的，处理器1501执行所述判断是否按照预设的顺序完成对全部待设置按键的学习的步骤包括：处理器1501遍历按键-波形数据库，如果第一遥控装置的全部按键都在按键-波型数据库中有各自对应的波形数据，则判断学习 过程已完成；如果存在有第一遥控装置的按键在按键-波形数据库中没有相对应的波形数据，则判断第一遥控装置的按键没有全部完成学习过程。
参见图16，是本发明的一种实施例的切换电视频道的系统示意图，如图16示出的切换电视频道的系统包括第一遥控装置163，第一机顶盒161、第二机顶盒165，其中：
第一遥控装置163向第一机顶盒161发送第一按键信号；
第一机顶盒161识别第一按键信号对应的按键，在按键-波形数据库中找到与该按键对应的波形数据；按键-波形数据库中存储有第二遥控装置的按键信号的波形数据，第二遥控装置的按键信号的波形数据与第一遥控装置163的按键一一对应；
第一机顶盒161根据该按键对应的波形数据模拟出第二遥控装置的频道切换信号，发送该频道切换信号至第二机顶盒165；该频道切换信号用于控制第二机顶盒165切换电视频道。
再进一步的，图17示出了本发明的另一种实施例的切换电视频道的系统示意图，该切换电视频道的系统包括第一遥控装置163，第一机顶盒161、第二机顶盒165外，还可以包括第二遥控装置167，其中：第二遥控装置167可以为上述内容中所述的第二遥控装置，这里不再赘述。
综上所述，通过实施本发明实施例，第一机顶盒可以根据第一遥控装置的按键信号来模拟出第二遥控装置的频道切换信号，并可将该频道切换信号转发给第二机顶盒，来切换第二机顶盒的当前的播放节目，本发明实施例可实现仅用第一遥控装置控制第一机顶盒和第二机顶盒，实现电视端通过第一机顶盒来观看第二机顶盒的电视节目；另外，第一机顶盒通过学习过程学习第二遥控装置的按键信号，将该按键信号设置为第一遥控装置的待设置按键对应的按键信号，本发明实施例还可实现第一机顶盒以半自动的方式来学习第二遥控装置的按键信号，减少了用户操作。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来指令相关的硬件来完成，所述的程序可存储于一计算机可读取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，所述的存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory， ROM)或随机存储记忆体(Random Access Memory，RAM)等。
以上所揭露的仅为本发明一种较佳实施例而已，当然不能以此来限定本发明之权利范围，本领域普通技术人员可以理解实现上述实施例的全部或部分流程，并依本发明权利要求所作的等同变化，仍属于发明所涵盖的范围。

Claims (21)

  1. 一种切换电视频道的方法，其特征在于，包括：
    接收第一遥控装置的第一按键信号；
    识别所述第一按键信号对应的按键，在按键-波形数据库中找到所述按键对应的波形数据；所述按键-波形数据库中存储有第二遥控装置按键信号的波形数据，所述第二遥控装置按键信号的波形数据与所述第一遥控装置的按键一一对应；
    根据所述按键对应的波形数据模拟出第二遥控装置的频道切换信号，发送所述频道切换信号至第二机顶盒；所述频道切换信号用于控制所述第二机顶盒切换电视频道。
  2. 如权利要求1所述的方法，其特征在于，在所述接收第一遥控装置的第一按键信号之前，还包括：通过学习过程学习所述第二遥控装置的按键信号，将所述按键信号设置为所述第一遥控装置的待设置按键对应的按键信号，所述学习过程具体包括：
    生成并输出按键提示信息，所述按键提示信息用于提示用户按照预设的顺序完成所述第一遥控装置的待设置按键的学习；
    接收第二遥控装置发出的第二按键信号，所述第二按键信号为用户根据所述按键提示信息在第二遥控装置上按下所述待设置按键对应的学习目标按键时触发的按键信号；所述第二按键信号用于控制第二机顶盒；
    记录所述第二按键信号的波形数据；将所述待设置按键与所述第二按键信号的波形数据一一对应地存储于按键-波形数据库；
    判断是否按照预设的顺序完成对全部待设置按键的学习，当判断结果为否时，继续执行所述生成并输出按键提示信息的步骤；当判断结果为是时，则结束所述学习过程。
  3. 如权利要求2所述的方法，其特征在于，所述生成并输出按键提示信息包括：
    在显示装置上显示所述第一遥控装置的虚拟的第一遥控装置；
    按所述预设的顺序在所述虚拟的第一遥控装置上通过焦点来提示用户所述待设置按键，以提示用户在所述第二遥控装置上按下所述待设置按键对应的学习目标按键。
  4. 如权利要求2所述的方法，其特征在于，在所述通过学习过程学习所述第二遥控装置的按键信号之前，还包括：
    接收所述第一遥控装置发送的设置信号，所述设置信号用于触发执行所述通过学习过程学习所述第二遥控装置的按键信号的步骤；或
    在执行所述识别所述第一按键信号对应的按键，在按键-波形数据库中找到与所述按键对应的波形数据的步骤时，如果所述按键-波形数据库为空，则执行所述通过学习过程学习所述第二遥控装置的按键信号的步骤；或
    在执行所述识别所述第一按键信号对应的按键，在按键-波形数据库中找到与所述按键对应的波形数据的步骤时，如果所述按键-波形数据库中没有所述按键的相应的波形数据，则提示用户所述按键漏码，接收用户输入来触发执行所述通过学习过程学习所述第二遥控装置的按键信号的步骤。
  5. 如权利要求2所述的方法，其特征在于，所述判断是否按照预设的顺序完成对全部待设置按键的学习包括：
    遍历所述按键-波形数据库，如果所述第一遥控装置的全部按键都在所述按键-波型数据库中有各自对应的波形数据，则判断所述学习过程已完成；如果存在有所述第一遥控装置的按键在所述按键-波形数据库中没有相对应的波形数据，则判断所述第一遥控装置的按键没有全部完成所述学习过程。
  6. 如权利要求2所述的方法，其特征在于，当所述第二遥控装置发送的按键信号为红外波时，所述接收第二遥控装置发出的第二按键信号为通过红外波接收器来接收所述第二按键信号；所述发送所述频道切换信号至第二机顶盒 为通过红外波发射器来发送所述频道切换信号至所述第二机顶盒。
  7. 一种切换电视频道的方法，其特征在于，包括：
    接收第一机顶盒发送的频道切换信号；所述频道切换信号为第一机顶盒通过权利要求1-6任一项所述的切换电视频道的方法来生成的；
    识别所述频道切换信号对应的频道切换方式，并根据所述频道切换方式切换电视频道；
    发送当前的电视频道的数据包至所述第一机顶盒。
  8. 一种切换电视频道的第一机顶盒，其特征在于，包括：
    第一信号输入模块，用于接收第一遥控装置的第一按键信号；
    信号处理模块，用于识别所述第一按键信号对应的按键，在按键-波形数据库中找到与所述按键对应的波形数据；所述按键-波形数据库中存储有第二遥控装置的按键信号的波形数据，所述第二遥控装置的按键信号的波形数据与所述第一遥控装置的按键一一对应；
    信号输出模块，用于根据所述按键对应的波形数据模拟出第二遥控装置的频道切换信号，发送所述频道切换信号至第二机顶盒；所述频道切换信号用于控制所述第二机顶盒切换电视频道。
  9. 如权利要求8所述的第一机顶盒，其特征在于，所述信号处理模块包括：
    信号识别模块，用于识别所述第一按键信号对应的按键；
    波形数据获取模块，用于在按键-波形数据库中找到与所述按键对应的波形数据；所述按键-波形数据库中存储有第二遥控装置的按键信号的波形数据，所述第二遥控装置的按键信号的波形数据与所述第一遥控装置的按键一一对应。
  10. 如权利要求8所述的第一机顶盒，其特征在于，所述信号输出模块包括：
    信号模拟模块，用于根据所述按键对应的波形数据模拟出频道切换信号；
    信号发送模块，用于发送所述频道切换信号至第二机顶盒；所述频道切换信号用于控制所述第二机顶盒切换电视频道。
  11. 如权利要求8所述的第一机顶盒，其特征在于，还包括学习模块，用于在所述第一信号输入模块执行所述接收第一遥控装置的第一按键信号的步骤之前，通过学习过程学习所述第二遥控装置的按键信号，将所述按键信号设置为所述第一遥控装置的待设置按键对应的按键信号，所述学习过程具体包括：
    生成并输出按键提示信息，所述按键提示信息用于提示用户按照预设的顺序完成所述第一遥控装置的待设置按键的学习；
    接收第二遥控装置发出的第二按键信号，所述第二按键信号为用户根据所述按键提示信息在第二遥控装置上按下所述待设置按键对应的学习目标按键时触发的按键信号；
    记录所述第二按键信号的波形数据；将所述待设置按键与所述第二按键信号的波形数据一一对应地存储于按键-波形数据库；
    判断是否按照预设的顺序完成对全部待设置按键的学习，当判断结果为否时，继续执行所述生成并输出按键提示信息的步骤，当判断结果为是时，则结束所述学习过程。
  12. 如权利要求11所述的第一机顶盒，其特征在于，所述学习模块包括：
    预设置模块，用于生成并输出按键提示信息，所述按键提示信息用于提示用户按照预设的顺序完成所述第一遥控装置的待设置按键的学习；
    第二信号输入模块，用于接收第二遥控装置发出的第二按键信号，所述第二按键信号为用户根据所述按键提示信息在第二遥控装置上按下所述待设置按键对应的学习目标按键时触发的按键信号；
    存储模块，用于记录所述第二按键信号的波形数据；将所述待设置按键与所述第二按键信号的波形数据一一对应的存储于按键-波形数据库；
    结束模块，用于判断是否按照预设的顺序完成对全部待设置按键的学习， 当判断结果为否时，继续执行所述生成并输出按键提示信息的步骤；当判断结果为是时，则结束所述学习过程。
  13. 如权利要求12所述的第一机顶盒，其特征在于，所述结束模块包括：
    判断模块，用于判断是否按照预设的顺序完成对全部待设置按键的学习；
    第一处理模块，用于当判断结果为否时，继续执行所述生成并输出按键提示信息的步骤；
    第二处理模块，用于当判断结果为是时，则结束所述学习过程。
  14. 如权利要求12所述的第一机顶盒，其特征在于，所述预设置模块包括：
    显示模块，用于通过显示装置显示所述第一遥控装置的虚拟的第一遥控装置；
    提示模块，用于按所述预设的顺序在所述虚拟的第一遥控装置上通过焦点来提示用户所述待设置按键，以提示用户在所述第二遥控装置上按下所述待设置按键对应的学习目标按键。
  15. 如权利要求12所述的第一机顶盒，其特征在于，还包括学习触发模块，用于在所述学习模块执行所述通过学习过程学习所述第二遥控装置的按键信号的步骤之前，执行包括：
    接收所述第一遥控装置发送的设置信号，所述设置信号用于触发执行所述通过学习过程学习所述第二遥控装置的按键信号的步骤；或
    在所述识别所述第一按键信号对应的按键，在按键-波形数据库中找到与所述按键对应的波形数据时，如果所述按键-波形数据库为空，则执行所述通过学习过程学习所述第二遥控装置的按键信号的步骤；或
    在所述识别所述第一按键信号对应的按键，在按键-波形数据库中找到与所述按键对应的波形数据时，如果所述按键-波形数据库中没有所述按键的相应的波形数据，则提示用户所述按键漏码，接收用户输入来触发执行所述通过学习过程学习所述第二遥控装置的按键信号的步骤。
  16. 如权利要求13所述的第一机顶盒，其特征在于，所述判断模块包括：
    第一判断模块，用于遍历所述按键-波形数据库，如果所述第一遥控装置的全部按键都在所述按键-波型数据库中有各自对应的波形数据，则判断按照预设的顺序已完成对全部待设置按键的学习；
    第二判断模块，用于遍历所述按键-波形数据库，如果存在有所述第一遥控装置的按键在所述按键-波形数据库中没有相对应的波形数据，则判断按照预设的顺序未完成对全部待设置按键的学习。
  17. 如权利要求15所述的第一机顶盒，其特征在于，所述学习触发模块包括：
    第一触发模块，用于接收所述第一遥控装置发送的设置信号，所述设置信号用于触发执行所述通过学习过程学习所述第二遥控装置的按键信号的步骤；或
    第二触发模块，用于在所述识别所述第一按键信号对应的按键，在按键-波形数据库中找到与所述按键对应的波形数据时，如果所述按键-波形数据库为空，则执行所述通过学习过程学习所述第二遥控装置的按键信号的步骤；或
    第三触发模块，用于在所述识别所述第一按键信号对应的按键，在按键-波形数据库中找到与所述按键对应的波形数据时，如果所述按键-波形数据库中存在有按键没有相应的波形数据，则提示用户所述按键漏码，接收用户输入来触发执行所述通过学习过程学习所述第二遥控装置的按键信号的步骤。
  18. 如权利要求12所述的第一机顶盒，其特征在于，当所述第二遥控装置发送的按键信号为红外波时，所述第二信号输入模块通过红外波接收器来接收第二遥控装置发出的第二按键信号；所述信号输出模块通过红外波发射器来发送所述频道切换信号至第二机顶盒。
  19. 一种切换电视频道的第二机顶盒，其特征在于，包括：
    接收模块，用于接收第一机顶盒发送的频道切换信号；所述频道切换信号 为第一机顶盒通过权利要求1-6任一项所述的切换电视频道的方法来生成的；
    换台模块，用于识别所述频道切换信号对应的频道切换方式，并根据所述频道切换方式切换电视频道；
    数据发送模块，用于发送当前的电视频道的数据包至所述第一机顶盒。
  20. 一种切换电视频道的系统，其特征在于，包括第一遥控装置，第一机顶盒、第二机顶盒，其中：
    所述第一遥控装置向所述第一机顶盒发送第一按键信号；
    所述第一机顶盒识别所述第一按键信号对应的按键，在按键-波形数据库中找到与所述按键对应的波形数据；所述按键-波形数据库中存储有第二遥控装置按键信号的波形数据，所述第二遥控装置按键信号的波形数据与所述第一遥控装置的按键一一对应；
    所述第一机顶盒根据所述按键对应的波形数据模拟出第二遥控装置的频道切换信号，发送所述频道切换信号至所述第二机顶盒；所述频道切换信号用于控制所述第二机顶盒切换电视频道。
  21. 如权利要求20所述的系统，其特征在于，还包括：所述第二遥控装置。
PCT/CN2015/073696 2014-08-06 2015-03-05 一种切换电视频道的方法、装置及系统 WO2016019722A1 (zh)

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