WO2021056932A1 - Dispositif d'affichage et procédé de commutation de programme de télévision - Google Patents

Dispositif d'affichage et procédé de commutation de programme de télévision Download PDF

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Publication number
WO2021056932A1
WO2021056932A1 PCT/CN2020/071140 CN2020071140W WO2021056932A1 WO 2021056932 A1 WO2021056932 A1 WO 2021056932A1 CN 2020071140 W CN2020071140 W CN 2020071140W WO 2021056932 A1 WO2021056932 A1 WO 2021056932A1
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Prior art keywords
program
channel
display
video
signal
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PCT/CN2020/071140
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English (en)
Chinese (zh)
Inventor
李春明
Original Assignee
海信视像科技股份有限公司
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Priority claimed from CN201910913300.1A external-priority patent/CN112565857A/zh
Priority claimed from CN201910912212.XA external-priority patent/CN112565856A/zh
Application filed by 海信视像科技股份有限公司 filed Critical 海信视像科技股份有限公司
Publication of WO2021056932A1 publication Critical patent/WO2021056932A1/fr

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    • 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

  • This application relates to the technical field of broadcasting and television, and in particular to a method for switching between a display device and a television program.
  • digital TV occupies an increasingly important position in daily life.
  • Digital TV can help people better understand the world.
  • digital TV has multiple signal sources, such as Digital Television (DTV), AV, HDMI1, HDMI2, and HDMI3.
  • the DTV signal source includes at least two signal channels.
  • the signal channels can be, for example, DVB-C channels, DVB -S channel, DTMB channel.
  • the present application provides a method for switching between a display device and a TV program, so as to realize switching and playing a normal TV program when a TV program is played abnormally, thereby improving user experience.
  • the present application provides a display device, including:
  • a display configured to display a picture of the first TV program
  • a video processor configured to receive the video signal of the first TV program through an input interface, and determine the playback status of the first TV program
  • the controller is configured to control the video processor to switch from the first TV program to the target TV program when the playback state of the first TV program is an abnormal playback state, and control the display to display the status of the target TV program Picture.
  • the video processor is further configured to:
  • the controller is configured to control the video processor to switch from the first TV program to the target TV program, Control the display to display the screen of the target TV program.
  • the video processor is further configured to:
  • the first program list and the second program list obtain a cross program list, the cross program list includes at least one sub program list, and the program name of each TV program in the sub program list has the same specific field.
  • the video processor is further configured to:
  • the controller is specifically configured to It is configured to control the video processor to switch the first TV program to the TV program with normal signal when there is a TV program with normal signal in the target subprogram list, and control the display to display the TV program with normal signal
  • the controller is specifically configured to:
  • control the video processor When the target sub-program list does not exist in the cross program list, control the video processor to switch the first TV program to any program with normal signals, and control the display to display the screen of the program Any program with normal signal includes a program in a third-party video application or a historically watched program.
  • the video processor is further configured to:
  • the controller specifically It is configured to control the video processor to switch the first television program to the high-definition television program according to the verification information, and control the display to display a picture of the high-definition television program.
  • the controller is specifically configured to:
  • the video processor is controlled to switch the first television program to a standard-definition television program, and the display is controlled to display the standard-definition television program.
  • the controller is further configured to:
  • the prompt information is used to prompt full-screen playback or close all State the screen of the target TV program;
  • the controller is further configured to control the display to display or close the screen of the target TV program in full screen when acquiring the operation instruction for the prompt information within a second preset time period.
  • the controller is further configured to:
  • the operation instruction for the prompt information is not acquired within the second preset time period, and the display is controlled to display the screen of the target TV program in a full screen.
  • this application provides a method for switching TV programs, including:
  • the present application provides a storage medium in which instructions are stored, which when run on a computer, cause the computer to execute the method of the above-mentioned embodiment.
  • the embodiment of the present application also provides a display device, including:
  • the display screen is configured to display video images
  • a video processor configured to receive a video signal of a first TV channel through an input interface, and determine the playback status of the first TV channel;
  • the controller is configured to control the video processor to switch from the first TV channel to the second TV channel when the playback state of the first TV channel is an abnormal playback state, and control the display to display the first TV channel 2.
  • the abnormal playback state is used to indicate that the signal of the first television channel is abnormal.
  • the video processor is further configured to:
  • the playing state of the first television channel is the abnormal playing state, determining the length of time that the first television channel is in the abnormal playing state;
  • the controller is specifically configured to control the display to display the video picture of the second TV channel according to the start time.
  • the controller is specifically configured to:
  • control the video processor to switch from the first TV program of the first TV channel to the first TV program of the second TV channel;
  • the controller is specifically configured to:
  • control the video processor to switch from the first TV program of the first TV channel to the second TV program of the second TV channel;
  • the controller is specifically configured to:
  • the video processor is further configured to:
  • the controller is specifically configured to control the video processor to switch from the first TV channel to the second TV channel on the network when the network status is a normal state;
  • the controller is specifically configured to:
  • Control the small window of the display to display the video picture of the second TV channel control the video processor to push prompt information to the user, control the display to display the prompt information, the prompt information is used to prompt full-screen playback or Turning off the video screen of the second TV channel;
  • the controller is further configured to control the display to display or close the video screen of the second TV channel in full screen when acquiring the operation instruction for the prompt information within a second preset time period.
  • the controller is further configured to:
  • the video sources corresponding to the first television channel and the second television channel include any two signal channels of the signal source of the display device, or any signal channel and network of the signal source of the display device.
  • the display device and the method for switching television programs provided in this embodiment, wherein the display device includes a display, a video processor, and a controller, the display is configured to display a picture of the first television program, and the video processor is configured to receive the image through the input interface.
  • Video signal of the first TV program, and determine the playback status of the first TV program the controller is configured to control the video processor to switch from the first TV program to the target TV when the playback status of the first TV program is abnormal Program, control the monitor to display the screen of the target TV program.
  • FIG. 1 is a schematic diagram of a signal source menu provided by an embodiment of this application.
  • FIG. 2 is a schematic flowchart of a method for switching TV programs provided by an embodiment of the application
  • FIG. 3 is a schematic diagram of a TV interface when there is no signal provided by an embodiment of the application
  • FIG. 4 is a schematic flowchart of a method for switching TV programs provided by another embodiment of the application.
  • FIG. 5 is a schematic diagram of a permission verification interface provided by an embodiment of this application.
  • FIG. 6 is a schematic flowchart of a method for switching TV programs according to another embodiment of this application.
  • FIG. 7 is a schematic diagram of playing in a small window provided by an embodiment of the application.
  • FIG. 8 is a schematic structural diagram of a display device provided by an embodiment of the application.
  • FIG. 9 is a schematic structural diagram of a display device provided by another embodiment of this application.
  • FIG. 10 is a schematic diagram of video playback progress provided by an embodiment of this application.
  • FIG. 11 is a schematic diagram of video playback progress provided by another embodiment of this application.
  • FIG. 12 is a schematic diagram of video playback progress provided by another embodiment of this application.
  • FIG. 13 is a schematic diagram of a search interface provided by an embodiment of this application.
  • FIG. 14 is a schematic diagram of playing in a small window provided by another embodiment of the application.
  • 15 is a schematic flowchart of a method for switching TV programs provided by another embodiment of this application.
  • FIG. 16 is a schematic diagram of a display device provided by an embodiment of the application.
  • Fig. 17 is a block diagram of the hardware configuration of a display device provided by an embodiment of the present application.
  • the embodiments of the present application provide a method for switching TV programs, including: receiving a video signal of a first TV program through an input interface, and determining the playback status of the first TV program, When the playing state of the TV program is an abnormal playing state, the first TV program is switched to the target TV program, and the screen of the target TV program is displayed. Thereby, it is realized that the normal TV program is switched and played when the TV program is played abnormally, which prevents the user from waiting continuously, and improves the user experience.
  • FIG. 1 is a schematic diagram of the signal source menu provided by an embodiment of the application. As shown in Figure 1, the user presses the signal button on the digital TV remote control, and the signal source menu is displayed on the TV interface.
  • the signal source menu includes multiple Signal sources, such as: Digital Television (DTV), AV, HDMI1, HDMI2, HDMI3, where the DTV signal source includes at least two signal channels.
  • the signal channels can be, for example, DVB-C channels, DVB-S channels, and DTMB channels .
  • any channel in the DTV signal source can search for multiple TV programs.
  • the user can select the corresponding signal channel through the TV remote control according to the needs.
  • the TV interface will play the search based on the signal channel TV show.
  • a TV program searched based on the DVB-C signal channel is randomly played, and then the user can switch to the TV program of personal preference through the TV remote control.
  • FIG. 2 is a schematic flowchart of a method for switching TV programs provided by an embodiment of the application.
  • the TV program switching method provided in this embodiment can be executed by a TV program switching device that executes the method.
  • the device can be implemented by software/hardware.
  • the device can be a display device, such as a digital TV.
  • the method for switching TV programs provided by the embodiment of the present application may include the following steps:
  • S101 Receive a video signal of a first TV program through an input interface, and determine a playing state of the first TV program.
  • the DTV signal source includes at least two signal channels, and the signal channels may be, for example, a DVB-C channel, a DVB-S channel, or a DTMB channel.
  • the first TV program may be any type of TV program searched out based on any signal channel, such as news, entertainment, social education, TV drama, etc., which is not limited in this embodiment.
  • the input interface is the interface between the video processor of the display device and the monitor.
  • the monitor can periodically send the signal of the displayed screen to the video processor, and the video processor receives the The video signal is compared with the preset video signal to determine the playback status of the first TV channel.
  • the playback status includes normal playback status and abnormal playback status.
  • the normal playback status is used to indicate that the signal of the TV program is normal
  • the abnormal playback status is used to indicate that the signal of the TV program is abnormal.
  • signal abnormality includes at least two conditions: for example, no signal, Switch back and forth between no signal.
  • FIG. 3 is a schematic diagram of the TV interface when there is no signal provided by an embodiment of the application, as shown in FIG. 3,
  • the upper left corner of the TV interface can display the TV channel name of the first TV program, for example, CCTV1
  • the word "No Signal” is displayed in the middle of the TV interface
  • the word "No Signal” can be bold and highlighted.
  • the wording can also be displayed on a scroll to remind the user that the playing state of the first TV program is abnormal.
  • the display manner of the word "no signal” includes but is not limited to the above manners, which is not limited in this embodiment.
  • the abnormal playing state of TV programs may be caused by factors such as weather and hardware.
  • the playback state of the first TV program when the playback state of the first TV program is abnormal, switch from the first TV program to the target TV program, and display the screen of the target TV program , Where the playback status of the target TV program is the normal playback status.
  • the method further includes:
  • the display device has a built-in timer, and when the first TV program is abnormally played, start timing to obtain the length of time that the first TV program is in the abnormally playing state. Or, according to the length of time that the word "no signal" is continuously displayed on the display device, the length of time is the length of time that the first TV program is in no signal.
  • the first preset duration is the critical duration, that is, the duration of the TV program in the abnormal playback state is less than the first preset duration, indicating that the TV program may be only temporarily abnormal and can be recovered; the duration of the TV program in the abnormal playback state is greater than the first preset duration.
  • a preset duration indicates that the TV program cannot be restored in a short period of time.
  • the duration of the first TV program in the abnormal playback state is greater than the first preset duration, it indicates that the first TV program cannot be recovered in a short time, and the first TV program is switched to the target TV program.
  • the time period during which the first television program is in an abnormal playing state is less than the first preset time period, in order to avoid frequent switching that affects the user experience, the television program is not switched.
  • the signal channel corresponding to the target TV program and the signal channel corresponding to the first TV program may be the same, such as DVB-C, or different, for example, the signal channel corresponding to the target TV program is DVB-S, the first TV The signal channel corresponding to the program is DVB-C, as long as the signal of the target TV program is normal, and this embodiment does not limit this.
  • the abnormal playback status is used to indicate that the signal of the TV program is abnormal, and the signal abnormality includes at least two situations: no signal, and switching back and forth between whether there is a signal or not.
  • the first preset duration may be, for example, 30s, and when the first TV program is switched between the presence or absence of a signal, the first preset duration may be, for example, 120s, because: The probability of the signal returning to normal when the TV program is switched back and forth between the presence and absence of a signal may be greater than the probability of the signal returning to normal when there is no signal.
  • the first preset duration set when the first TV program is switched between the presence and absence of a signal It may be greater than the first preset duration set when the first television program has no signal.
  • the specific value of the first preset duration is not limited, and it may be determined according to actual conditions.
  • the method for switching TV programs includes: receiving a video signal of a first TV program through an input interface, and determining the playback status of the first TV program, and when the playback status of the first TV program is an abnormal playback status, from The first TV program is switched to the target TV program, and the screen of the target TV program is displayed. Thereby, it is realized that the normal TV program is switched and played when the TV program is played abnormally, which prevents the user from waiting continuously, and improves the user experience.
  • FIG. 4 is a schematic flowchart of a method for switching TV programs according to another embodiment of the application. As shown in FIG. 4, before the above step S101, the method for switching TV programs provided in the embodiment of the present application further includes the following steps:
  • S201 Perform a program search operation based on the first signal channel to obtain a first program list of the first signal channel, and perform a program search operation based on the second signal channel to obtain a second program list of the second signal channel.
  • the first program list may include the TV channel name, channel number, keyword of the program content, start time and end time of the TV program
  • the second program list may include the TV channel name, channel number, and program of the TV program.
  • the keywords of the program content can be sports or movies.
  • the signal channel of the DTV signal source includes but is not limited to two signal sources.
  • the digital TV performs a program search operation based on the first signal channel every preset time to obtain the first program list, and performs a program search operation based on the second signal channel every preset time to obtain the second program
  • the first program list and the second program list are saved locally. In this embodiment, there is no restriction on the preset time of the digital TV automatic search.
  • the user can also manually perform a program search based on the first signal channel, and also can manually perform a program search based on the second signal channel, so that the digital television obtains the first program list and the second program list.
  • Table 1 is a first program list provided by an embodiment of this application
  • Table 2 is a second program list provided by an embodiment of this application.
  • the first program list includes each The TV channel name and channel number of the TV program are CCTV1, 6; CCTV2, 7; Beijing Satellite TV, 35; Shandong Satellite TV, 36; CCTV1 HD, 51; CCTV2 HD, 52; Shandong TV HD, 56.
  • the second program list includes the TV channel name and channel number of each TV program, which are CCTV1, 1; CCTV2, 2; Beijing Satellite TV, 23; Shandong Satellite TV, 24; CCTV1 HD, 41; CCTV2 HD, 42; Beijing Satellite TV HD , 48.
  • the first program list is searched based on the first signal channel
  • the second program list is searched based on the second signal channel.
  • the TV programs in the first program list can be in a normal playing state or In the abnormal playing state
  • the TV programs in the second program list can be in the normal playing state or in the abnormal playing state.
  • the first program list and the second program list include but are not limited to the contents shown in Table 1 and Table 2.
  • the cross-program list includes at least one sub-program list, and each sub-program list can include the TV channel name, channel number, keyword of the program content, start time and end time of each TV program, and the TV channel name of each TV program Have the same specific fields.
  • CCTV1 and CCTV1 HD both include CCTV1
  • Beijing Satellite TV and Beijing Satellite TV HD both include Beijing Satellite TV.
  • the first TV channel name in the first program list is obtained, the first program list and the second program list are traversed, and the TV channel name matching the first TV channel name is obtained, that is, with The first TV channel name has the same TV channel name in the specific field, and the matching TV channel names in the first program list and the second program list are saved to the sub program list, which can be recorded as sub program list 1.
  • the channel number corresponding to the name of each TV channel, the keywords of the program content, the start time and the end time can be saved to the sub-program list 1 accordingly.
  • Table 3 is a cross-program list provided by an embodiment of this application.
  • the cross-program list includes three sub-program lists, and the sub-program list 1 includes The TV channel name and channel number are CCTV1, 6 and CCTV1 HD, 51 in the first program list, and CCTV1, 1 and CCTV1 HD, 41 in the second program list.
  • the sub-program list 2 includes the TV channel name and channel number, which are CCTV2, 7 and CCTV2 HD, 52 in the first program list, and CCTV2, 2 and CCTV2 HD, 42 in the second program list.
  • the TV channel names in the sub-program list 3 include Beijing Satellite TV, 35 in the first program list, and Beijing Satellite TV, 23 and Beijing Satellite TV HD, 48 in the second program list.
  • the method also includes the following steps:
  • the first TV channel name of the first TV program may be CCTV1, for example; then determine whether there is a target subprogram list in the cross program list, where the TV channel name of each TV program in the target subprogram list and The first TV channel name has the same specific field; if there is a target subprogram list in the cross program list, it is further judged whether there is a normal signal TV program in the target subprogram list, and if there is a normal signal TV program in the target program list, then Switch the first TV program to the TV program with normal signal.
  • the digital TV background After obtaining the target subprogram list, the digital TV background obtains the playback status of each TV program in the target subprogram list, and the realization process of obtaining the playback status of the TV program is similar to step S11, and will not be repeated here.
  • the normal play state is used to indicate that the signal of the TV program is normal. If there is a TV program with a normal signal, the first TV program is switched to a TV program with a normal signal.
  • the first TV program is a TV program in the first program list
  • the TV channel name of the first TV program is CCTV1
  • the target subprogram list includes CCTV1 and CCTV1 HD in the first program list
  • the second program The CCTV1 and CCTV1 in the list are high-definition.
  • step S205 specifically includes the following steps:
  • the TV programs of digital TV include high-definition TV programs and standard-definition TV programs.
  • CCTV1 is standard-definition TV programs
  • CCTV1 high-definition means high-definition TV programs.
  • the picture quality of high-definition TV programs is clearer than that of standard-definition TV programs.
  • HD is mostly an encrypted charging channel, and user permissions need to be verified.
  • the verification information is pushed to the user to determine whether the user has the right to watch the high-definition program.
  • Figure 5 is a schematic diagram of the authorization verification interface provided by an embodiment of the application. As shown in Figure 5, if there is a high-definition TV program in a normal signal TV program, the authorization verification prompt is pushed to the user, and the authorization verification prompt is used to prompt the user to input watching The account and password of the HD program. Generally, the authorization verification prompt includes at least an account input box and a password input box.
  • the first television program is switched to the high-definition television program.
  • the first TV program is switched to CCTV1 HD. If the verification information is wrong, then it is switched to CCTV1. Similarly, if CCTV1 HD does not exist in the target TV program with a normal signal, the first TV program is switched to CCTV1.
  • the target subprogram list does not exist in the cross program list, that is, the cross program list is traversed and no target subprogram list with the same specific field as the TV channel name of each TV program in the first TV program is found, Then switch the first TV program to any program with normal signal, for example: programs in third-party video applications or historically watched programs, where historically watched programs are generally cached locally, and programs in third-party video applications are generally It is obtained through the Internet.
  • users can also switch programs that have been watched in history, or switch programs in third-party video applications according to personal preferences. This embodiment does not limit this.
  • the method for switching TV programs includes: performing a program search operation based on a first signal source, obtaining a first program list of the first signal source, and performing a program search operation based on a second signal source to obtain a second signal source According to the second program list of the first program list and the second program list, the cross program list is obtained, and then the first TV channel name of the first TV program is obtained.
  • the target subprogram list determines the target subprogram Whether there is a TV program with normal signal in the list, if there is a TV program with normal signal in the target subprogram list, switch the first TV program to a TV program with normal signal, if there is no target subprogram list in the cross program list, the first TV program A TV program is switched to any program with a normal signal.
  • the target subprogram list corresponding to the first TV program can be obtained according to the cross program list, so as to switch the first TV program to any signal in the target subprogram list.
  • the program avoids continuous waiting and improves user experience.
  • FIG. 6 is a schematic flowchart of a method for switching TV programs according to another embodiment of this application. As shown in FIG. 6, the method for switching TV programs provided by the embodiment of the present application further includes the following steps:
  • S301 Play the target TV program in the small window, and push prompt information to the user.
  • the target TV program can be played in a small window, and prompt information is pushed to the user.
  • the prompt information is used to prompt the user to play the target TV program in full screen or close the target TV program .
  • Figure 7 is a schematic diagram of playing in a small window provided by an embodiment of the application.
  • the target TV program is played in a small window on one side of the interface of the display device, and a virtual button of "play in full screen" can be provided on the small window.
  • the upper left of the small window can also display the signal channel and TV channel name of the target TV program, for example: DVB-S, CCTV1.
  • the digital TV interface can also display the first TV program without signal in full screen, and the signal channel and TV channel name of the first TV program can also be displayed on the upper left side of the digital TV interface, for example: DVB-C, CCTV1.
  • the target TV program if the target TV program is played in a small window, you can check whether the signal of the first TV program returns to normal in real time in the full screen. If the signal of the first TV program returns to normal, you can turn off the target TV program and continue watching The first TV show.
  • the operation instruction for the prompt information may be, for example, a click operation or a long-press operation, which is not limited in this embodiment. If the operation instruction for the prompt information is acquired within the second preset time period, that is, the user selects to play the TV program in full screen or close the target TV program, then the target TV combination is played in full screen or the target TV program is closed according to the operation instruction.
  • the target TV program is played in full screen, where the second preset time period may be, for example, 10s or 20s. This embodiment does not limit this, and it is determined according to the actual situation. can.
  • the TV program switching method provided in this embodiment includes: playing a target TV program in a small window on a digital TV, and pushing prompt information to the user. If an operation instruction for the prompt information is obtained within a second preset time period, according to the The operation instruction plays the target TV program in full screen or closes the target TV program. If the operation instruction for the prompt information is not obtained within the second preset time period, the target TV program is played in full screen. In this way, it is possible to determine whether to play the target TV program in full screen according to user needs, which improves user experience.
  • FIG. 8 is a schematic diagram of a display device provided by an embodiment of the application. As shown in FIG. 8, the display device 10 includes:
  • the display 11 is configured to display a picture of the first TV program
  • the video processor 12 is configured to receive the video signal of the first TV program through an input interface, and determine the playback status of the first TV program;
  • the controller 13 is configured to control the video processor to switch from the first TV program to the target TV program when the playback state of the first TV program is an abnormal playback state, and control the display to display the target TV program Picture.
  • the video processor 12 is further configured to:
  • the controller is configured to control the video processor to switch from the first TV program to the target TV program, Control the display to display the screen of the target TV program.
  • the video processor 12 is further configured to:
  • the first program list and the second program list obtain a cross program list, the cross program list includes at least one sub program list, and the program name of each TV program in the sub program list has the same specific field.
  • the video processor 12 is further configured to:
  • the controller is specifically configured to It is configured to control the video processor to switch the first TV program to the TV program with normal signal when there is a TV program with normal signal in the target subprogram list, and control the display to display the TV program with normal signal
  • controller 13 is specifically configured to:
  • control the video processor When the target sub-program list does not exist in the cross program list, control the video processor to switch the first TV program to any program with normal signals, and control the display to display the screen of the program Any program with normal signal includes a program in a third-party video application or a historically watched program.
  • the video processor 12 is further configured to:
  • the controller specifically It is configured to control the video processor to switch the first television program to the high-definition television program according to the verification information, and control the display to display a picture of the high-definition television program.
  • controller 13 is specifically configured to:
  • the video processor is controlled to switch the first television program to a standard-definition television program, and the display is controlled to display the standard-definition television program.
  • controller 13 is further configured to:
  • the prompt information is used to prompt full-screen playback or close all State the screen of the target TV program;
  • the controller is further configured to control the display to display or close the screen of the target TV program in full screen when acquiring the operation instruction for the prompt information within a second preset time period.
  • controller 13 is further configured to:
  • the operation instruction for the prompt information is not acquired within the second preset time period, and the display is controlled to display the screen of the target TV program in a full screen.
  • the display device includes a display, a video processor, and a controller.
  • the display is configured to display a picture of a first TV program
  • the video processor is configured to receive a video signal of the first TV program through an input interface, and Determine the playback status of the first TV program
  • the controller is configured to control the video processor to switch from the first TV program to the target TV program when the playback status of the first TV program is abnormal, and control the display to display the target TV program Picture.
  • FIG. 9 is a schematic structural diagram of a display device provided by another embodiment of the present application. As shown in FIG. 9, the display device 20 provided by an embodiment of the present application includes:
  • the display 21 is configured to display a video screen of the first TV channel
  • the video processor 22 is configured to receive the video signal of the first TV channel through the input interface, and determine the playing state of the first TV channel.
  • the controller 23 is configured to control the video processor 22 to switch from the first TV channel to the second TV channel when the playback state of the first TV channel is abnormal, and control the display 21 to display the video image of the second TV channel.
  • the input interface is the interface between the video processor 22 and the display 21.
  • the display 21 can periodically send the signal of the displayed video picture to the video processor 22.
  • the video processor 22 receives the video signal and compares the preset video signal to determine the playback status of the first TV channel.
  • the playback status includes normal playback status and abnormal playback status.
  • the controller 23 is configured to control the video processor 22 to switch from the first TV channel to the second TV channel, and control the display to display the video picture of the second TV channel.
  • the playing state of the TV channel is the normal playing state. Therefore, the user is prevented from waiting continuously, and when the TV program of the first TV channel is abnormally played, it can be switched to the second TV channel, which improves the user experience.
  • the video processor 22 is further configured to:
  • the controller is specifically configured to control the display to display the video picture of the second TV channel according to the start time.
  • the video processor 22 determines that the first TV channel is being played abnormally, it starts timing. In this way, the video processor 22 can obtain the length of time that the first TV channel is being played abnormally.
  • the first preset duration may be, for example, 10s or 20s, which is not limited in this embodiment, and can be determined according to actual conditions.
  • the controller 23 is configured to control the video processor 22 to switch from the first TV channel to the second TV channel, and control the display 21 to display the video screen of the second TV channel according to the start time. If the duration of the first TV channel in the abnormal playback state is less than the first preset duration, it indicates that the first TV channel can be restored to normal in a short time, and video switching is not required to prevent frequent switching from affecting user experience.
  • the video picture of the first TV channel may be a picture of a TV program of the first TV channel.
  • the TV program may be, for example, episode 3 of TV series 1
  • the first TV channel may be, for example, CCTV1, which is not limited in this embodiment.
  • controller 23 is specifically configured to:
  • the electronic program guide EPG it is judged whether the start time is between the start time and the end time of the first TV program of the first TV channel. If so, the video processor is controlled to switch from the first TV program of the first TV channel to the second TV channel. The first TV program of the TV channel is controlled to display the picture of the first TV program of the second TV channel from the start time on the display.
  • the electrical program guide refers to the electronic program menu in a signal channel.
  • EPG electrical program guide
  • the preset time period is, for example, It can be 24h, and the broadcast information includes at least the start time and end time of each TV program.
  • Table 4 is the EPG provided by an embodiment of this application. As shown in Table 4, the EPG exemplarily shows the broadcast information of the TV programs in each TV channel. Taking the TV channels as CCTV1 and CCTV2 as an example, the TV programs in CCTV1 Including episode 3 of TV series 1, commercials, and episode 4 of TV series 1. The start time and end time of episode 3 of TV series 1 are 19:50-20:30, the start time and end time of commercials are 20:30-20:40, and the start time and end time of episode 4 of TV series 1 are respectively It is 20:40-21:20.
  • the TV programs in CCTV2 include commercials, variety shows 1, and episode 10 of TV series 2.
  • the start time and end time of the commercial are 19:40-19:50, 20:30-20:40
  • the start time and end time of variety show 1 are 19:50-20:30
  • TV series 2 episode 10 The start time and end time are 20:40-21:30, respectively.
  • this embodiment exemplifies the EPG.
  • the EPG includes but is not limited to the forms shown in Table 4.
  • the EPG may also include information such as the brief introduction of the TV series, the leading actors, etc., which is not used in practical applications. By this limit.
  • FIG. 10 is a schematic diagram of the video playback progress provided by an embodiment of this application.
  • the first TV program of the first TV channel is episode 3 of TV series 1, starting with The time is 19:58, the start time is 19:50, and the end time is 20:30.
  • the start time is between the start time and the end time of the first TV program, indicating that the first TV program is playing abnormally
  • the controller 23 Control the video processor 22 to switch from the first TV program of the first TV channel to the first TV program of the second TV channel, that is, switch to the third episode of TV series 1 in the second TV channel, and control the display from 19:58 , That is, the screen of episode 3 of TV series 1 in the second TV channel will be displayed at the 8th minute.
  • the first TV channel and the second TV channel can be the same TV channel, such as CCTV1, or different TV channels, for example, one is CCTV1 and the other is CCTV2, as long as the broadcasted TV programs are the same.
  • the video sources corresponding to the first TV channel and the second TV channel include any two signal channels of the DTV signal source of the display device, or any signal channel and network in the DTV signal source. In this way, switching to the second TV channel when the first TV channel is playing abnormally, seamless switching and playing is realized, and the user's experience of continuously watching videos is improved.
  • controller 23 is specifically configured to:
  • the electronic program guide EPG it is judged whether the start time is between the end time of the first TV program of the first TV channel and the start time of the second TV program of the first TV channel. If so, control the video processor from the first TV The first TV program of the channel is switched to the second TV program of the second TV channel, and the display is controlled to display the picture of the second TV program of the second TV channel.
  • the start time is between the end time of the first television program of the first television channel and the start time of the second television program of the first television channel, it indicates that the time between the first television program and the second television program is The advertising signal in the middle of the program is played abnormally, and the first TV program has been played.
  • FIG. 11 is a schematic diagram of the video playback progress provided by another embodiment of the application.
  • the first TV program of the first TV channel is, for example, the third episode and the first episode of TV series 1 in Table 4.
  • the second TV program of the TV channel is, for example, episode 4 of TV series 1 in Table 4.
  • the end time of the first TV program is 20:30
  • the start time of the second TV program is 20:40
  • the start time is 20:35
  • the start time is located in the advertising period between the end time of the first TV program and the start time of the second TV program.
  • the intermediate advertisement can be skipped directly, and the video processor 22 can be controlled to switch from the first TV channel to the second TV channel, and the screen of the second TV program of the second TV channel can be played from the beginning, that is, the screen of the fourth episode of TV series 1.
  • the playback progress of the video source corresponding to the first TV channel and the video source corresponding to the second TV channel may be different, for example: the content of the first TV program of the first TV channel being played in the 5th minute
  • the content broadcasted in the 6th minute is the same as the first TV program of the second TV channel, that is, the content broadcasted in the 5th minute is different from the first TV program of the second TV channel.
  • controller 23 is specifically configured to:
  • the first TV program of a TV channel is switched to the first TV program of the second TV channel, and the display 21 is controlled to display the picture of the first TV program of the second TV channel from the time corresponding to the video content.
  • the first TV program of the first TV channel is episode 3 of TV series 1, the start time is 19:58, the start time is 19:50, and the end time is 20:30, then the first TV The first TV program of the channel has been played for 8 minutes, and then the video content corresponding to these 8 minutes is obtained in the second TV channel.
  • obtaining the video content corresponding to the played duration in the second TV channel may be determined according to a user operation.
  • the played duration is 8 minutes, which indicates that the playback is abnormal in the 8th minute.
  • the time corresponding to the video content corresponding to these 8 minutes in the second TV channel can be the 7th minute or the 9th minute, and then the second TV channel Fast forward the first TV show in the channel to 7 minutes or 9 minutes and start to continue playing.
  • FIG. 12 is a schematic diagram of the video playback progress provided by another embodiment of the application.
  • the duration is for example 8 minutes, and the video content corresponding to the 8 minutes is obtained in the second TV channel, and the video processor is controlled to switch from the first TV channel to the second TV channel, and the display is controlled from the time corresponding to the 8 minutes of video content Point, for example, the screen of the first TV program of the second TV channel is displayed at the 7th minute, where the first TV program is episode 3 of TV series 1.
  • the video sources corresponding to the first TV channel and the second TV channel include any two signal channels of the DTV signal source of the display device, or any signal channel and network in the DTV signal source. That is to say, this technical solution is not only suitable for video switching between two signal channels, but also suitable for video switching between signal channels and the network.
  • the video source corresponding to the first TV channel is DVB-C channel
  • the video source corresponding to the second TV channel is DVB-S channel
  • the video source corresponding to the first TV channel is DVB-C channel
  • the second TV channel is corresponding The video source is the network.
  • the video processor 22 is further configured to:
  • the network status of the display device is detected, and the controller 23 is specifically configured to control the video processor 22 to switch from the first TV channel to the second TV channel on the network when the network status is normal, and control the display to display according to the start time The video screen of the second TV channel on the Internet.
  • the network of the display device includes a wired network and/or a wireless network
  • the wireless network may be WIFI, for example.
  • the video processor 22 first detects whether the network status of the wired network and/or the wireless network is normal. If at least one of the network status of the wired network and the network status of the wireless network indicates that the network connection is normal and the first TV channel is in an abnormal playback state for a long time When it is greater than the first preset duration, the start time of the abnormal playback state of the first TV channel is determined according to the duration and the current time, and then the program name and program of the TV program broadcasted by the first TV channel through the cable network or wireless network Episode number The TV program is searched in the video player. The name of the program and the number of episodes can be, for example, episode 3 of TV series 1, and the video screen of the second TV channel is displayed from the start time.
  • the specific implementation of displaying the video screen of the second TV channel according to the start time is similar to the above method, all of which is to determine the relative relationship between the start time and the start time and end time of the TV program of the first TV channel.
  • the video image of the second TV channel is displayed, which will not be repeated here.
  • the display device may have a built-in video player, and automatically enter the third episode of TV series 1 in the search box of the video player, and the video can be automatically searched for.
  • FIG. 13 is a schematic diagram of a search interface provided by an embodiment of the application. As shown in FIG. 13, the third episode of TV series 1 is input into the search box of the video player XXX, and the search results are automatically searched, and the whole process does not require human involvement.
  • the video player XXX in FIG. 11 may also provide classifications of various TV programs, such as TV series, variety shows, movies, games, music, and so on.
  • the display device may also have a built-in search component, and the video can be automatically searched in the search component when the network is normal.
  • controller 23 is specifically configured to:
  • the small window of the control display 21 is controlled to display the video image of the second TV channel, and the video processor is controlled to push prompt information to the user, and the display is controlled to display the prompt information.
  • the prompt information is used to prompt full-screen playback or close the video image of the second television channel.
  • the controller 23 is also configured to control the display 21 to display or close the video screen of the second TV channel in full screen when acquiring the operation instruction for the prompt information within the second preset time period.
  • controller 23 is further configured to:
  • the display is controlled to display the video image of the first TV channel in full screen.
  • FIG. 14 is a schematic diagram of playing in a small window provided by another embodiment of the application.
  • the first TV program is played in a small window on one side of the interface of the display device, and "full-screen playback" can be provided on the small window.
  • the virtual button and the "close" virtual button, the upper left of the small window can also display the video source corresponding to the second TV channel, the first TV channel, the program name of the first TV program, and the number of program episodes, such as the video player XXX( (I.e. network), CCTV1, episode 3 of TV series 1.
  • the video source corresponding to the first video corresponding to the first TV channel with no signal, the program name of the first TV program and the number of program episodes can also be played in full screen on the display device interface, such as: DVB-C, CCTV1, TV series 1 Episode 3.
  • the display device interface such as: DVB-C, CCTV1, TV series 1 Episode 3.
  • the first TV program of the second TV channel if the first TV program of the second TV channel is played in the small window, you can also check whether the signal of the first TV program of the first TV channel is back to normal in the full screen. If the signal is back to normal, you can turn it off. The first TV program of the second TV channel played in the small window.
  • the controller 23 When the controller 23 acquires the operation instruction for the prompt information within the second preset time period, it controls the display to display or close the video picture of the second TV channel in full screen.
  • controller 23 When the controller 23 does not obtain the operation instruction for the prompt information within the second preset time period, it controls the display to display the video image of the first TV channel in full screen.
  • the operation instruction for the prompt information may be, for example, a click operation or a long-press operation, which is not limited in this embodiment. If the operation instruction for the prompt message is acquired within the second preset time period, that is, the user selects full-screen playback or closes the small window, then according to the operation instruction full-screen play or close the screen of the first TV program of the second TV channel .
  • the first video based on the first TV channel is played in full screen, where the second preset time period may be, for example, 10s or 20s, which is not included in this embodiment.
  • Restrictions can be determined according to the actual situation. In this way, it is possible to determine whether to play the first TV program searched on the Internet in full screen according to user needs, which improves user experience.
  • an advertisement screen is usually displayed before the video screen is displayed on the display 21, such as a 10s advertisement playing time. Because the fast forward of the video cannot be completed during the advertisement playing time, that is, the first TV program or the second TV program of the second TV channel cannot be displayed. Therefore, after the fixed advertisement is played, the controller 23 is also configured to control the display to display the video image.
  • usually the video player member can close the advertisement, and the video screen is displayed directly from the start time, which will not be repeated here.
  • the display device includes: a display, a video processor, and a controller.
  • the display is configured to display a video screen of a first TV channel
  • the video processor is configured to receive a video of the first TV channel through an input interface. Signal and determine the playback status of the first TV channel
  • the controller is configured to control the video processor to switch from the first TV channel to the second TV channel when the playback status of the first TV channel is abnormal, and to control the display Display the video screen of the second TV channel. Therefore, the user is prevented from waiting continuously, and the second TV channel can be switched to the second TV channel when the first TV channel is played abnormally, which improves the user experience.
  • an embodiment of the present application also provides a method for switching television programs. FIG.
  • FIG. 15 is a schematic flowchart of a method for switching television programs provided by another embodiment of this application.
  • the execution subject of this embodiment is the display in the above-mentioned embodiment.
  • the method may include the following steps:
  • S401 Receive a video signal of a first TV channel, and determine a playing state of the first TV channel.
  • the method further includes:
  • the playing state of the first TV channel is an abnormal playing state
  • determine the length of time that the first TV channel is in the abnormal playing state and when the time length is greater than a first preset time length, determine according to the time length and the current time
  • the first TV channel is in the start time of the abnormal playing state, and the video screen of the second TV channel is displayed according to the start time.
  • the method further includes:
  • the electronic program guide EPG it is judged whether the start time is between the start time and the end time of the first TV program of the first TV channel. If so, switch from the first TV program of the first TV channel to all For the first TV program of the second TV channel, the picture of the first TV program of the second TV channel is displayed from the start time.
  • the method further includes:
  • the electronic program guide EPG it is judged whether the start time is between the end time of the first TV program of the first TV channel and the start time of the second TV program of the first TV channel. If so, from the The first television program of the first television channel is switched to the second television program of the second television channel, and the picture of the second television program of the second television channel is displayed.
  • the method further includes:
  • the method further includes:
  • the network status of the display device is detected, and the controller is specifically configured to switch from the first TV channel to the second TV channel on the network when the network status is normal, and according to the start time Display the video screen of the second TV channel on the network.
  • the method further includes:
  • the small window displays the video screen of the second TV channel, pushes prompt information to the user, and displays the prompt information, and the prompt information is used to prompt full-screen playback or close the video screen of the second TV channel;
  • the video screen of the second TV channel is displayed or closed in full screen.
  • the method further includes:
  • the video image of the first TV channel is displayed in a full screen.
  • the method further includes:
  • the video sources corresponding to the first television channel and the second television channel include any two signal channels of the signal source of the display device, or any signal channel and network of the signal source of the display device.
  • the method for switching TV programs of this embodiment includes: receiving a video signal of a first TV channel, and determining the playing state of the first TV channel, and when the playing state of the first TV channel is an abnormal playing state, switching from the first TV channel Switch to the second TV channel and display the video screen of the second TV channel. Therefore, the user is prevented from waiting continuously, and the second TV channel can be switched to the second TV channel when the first TV channel is played abnormally, which improves the user experience.
  • the present application also provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the method for switching television programs provided by any one of the foregoing method embodiments is implemented.
  • FIG. 16 is a schematic diagram of a display device provided by an embodiment of the present application.
  • the present application also provides a display device, which includes at least: a display screen 91 configured to present image data; and a speaker 92 , Is configured to reproduce sound data.
  • the display device may further include: a backlight assembly 94 located below the display screen 91.
  • a backlight assembly 94 located below the display screen 91.
  • the backlight assembly may include an LED light bar, and may also include a light panel that automatically emits light.
  • the display device may further include: a back plate 95.
  • a back plate 95 Generally, some convex structures are formed by stamping on the back plate 95, and components such as speakers 92 are fixed on the convex structures by screws or hooks.
  • the display device may further include: a rear case 98, which is covered on the back of the display screen 91 to hide the backlight assembly 94, the speaker 92 and other display device components, which has a beautiful effect.
  • the display device may further include: a main board 96 and a power supply board 97, which may be arranged as two boards independently, or may be combined on one board.
  • the display device further includes a remote control 93.
  • Fig. 17 is a block diagram of the hardware configuration of a display device provided by an embodiment of the present application.
  • the display device 200 may include a tuner and demodulator 220, a communicator 230, a detector 240, an external device interface 250, a controller 210 (also called a controller 13 and a controller 23 in the previous embodiment), a memory 290.
  • User input interface video processor 260-1 (also called video processor 12 and video processor 22 in the foregoing embodiment), audio processor 260-2, display screen 280 (also called display 11 in the foregoing embodiment, Display 12, display screen 91), audio input interface 272, power supply.
  • the tuner and demodulator 220 receives broadcast and TV signals through wired or wireless means, and can perform modulation and demodulation processing such as amplification, mixing and resonance, and is used to demodulate the TV channel selected by the user from multiple wireless or cable broadcast and TV signals
  • modulation and demodulation processing such as amplification, mixing and resonance
  • the audio and video signal carried in the frequency, and additional information (such as EPG data signal).
  • the tuner and demodulator 220 can be selected by the user and controlled by the controller 210 to respond to the TV channel frequency selected by the user and the TV signal carried by the frequency.
  • the tuner and demodulator 220 can receive signals in many ways according to different TV signal broadcasting systems, such as terrestrial broadcasting, cable broadcasting, satellite broadcasting, or Internet broadcasting; and according to different modulation types, it can be digital modulation or alternatively. Analog modulation method; and according to different types of received TV signals, analog signals and digital signals can be demodulated.
  • TV signal broadcasting systems such as terrestrial broadcasting, cable broadcasting, satellite broadcasting, or Internet broadcasting
  • Analog modulation method and according to different types of received TV signals, analog signals and digital signals can be demodulated.
  • the tuner demodulator 220 may also be in an external device, such as an external set-top box.
  • the set-top box outputs TV audio and video signals through modulation and demodulation, and inputs them to the display device 200 through the input/output interface 250.
  • the communicator 230 is a component for communicating with external devices or external servers according to various communication protocol types.
  • the communicator 230 may include a WIFI circuit 231, a Bluetooth communication protocol circuit 232, a wired Ethernet communication protocol circuit 233 and other network communication protocol circuits or near field communication protocol circuits.
  • the display device 200 may establish a control signal and a data signal connection with an external control device or content providing device through the communicator 230.
  • the communicator may receive the control signal of the remote controller 100 according to the control of the controller.
  • the detector 240 is a component used by the display device 200 to collect signals from the external environment or interact with the outside.
  • the detector 240 may include a light receiver 242, a sensor used to collect the intensity of ambient light, which can adaptively display parameter changes by collecting ambient light, etc.; it may also include an image collector 241, such as a camera, a camera, etc., which can be used to collect external light.
  • the environment scene, as well as the user's attributes or gestures used to interact with the user can adaptively change the display parameters, and can also recognize the user's gestures to achieve the function of interaction with the user.
  • the detector 240 may further include a temperature sensor.
  • the display device 200 may adaptively adjust the display color temperature of the image.
  • the display device 200 when the temperature is relatively high, the display device 200 can be adjusted to display a colder image color temperature; when the temperature is relatively low, the display device 200 can be adjusted to display a warmer color temperature of the image.
  • the detector 240 may also include a sound collector, such as a microphone, which may be used to receive the user's voice, including the voice signal of the user's control instruction for controlling the display device 200, or to collect environmental sound for Recognizing the environmental scene type, the display device 200 can adapt to the environmental noise.
  • a sound collector such as a microphone
  • the external device interface 250 provides a component for the controller 210 to control data transmission between the display device 200 and other external devices.
  • the external device interface can be connected to external devices such as set-top boxes, game devices, notebook computers, etc. in a wired/wireless manner, and can receive external devices such as video signals (such as moving images), audio signals (such as music), and additional information (such as EPG). ) And other data.
  • the external device interface 250 may include: a high-definition multimedia interface (HDMI) terminal 251, a composite video blanking synchronization (CVBS) terminal 252, an analog or digital component terminal 253, a universal serial bus (USB) terminal 254, red, green, and blue ( RGB) terminal (not shown in the figure) and any one or more.
  • HDMI high-definition multimedia interface
  • CVBS composite video blanking synchronization
  • USB universal serial bus
  • RGB red, green, and blue
  • the controller 210 controls the work of the display device 200 and responds to user operations by running various software control programs (such as an operating system and various application programs) stored on the memory 290.
  • various software control programs such as an operating system and various application programs
  • the controller 210 includes a random access memory RAM 213, a read only memory ROM 214, a graphics processor 216, a CPU processor 212, a communication interface 218, and a communication bus.
  • the RAM 213 and the ROM 214, the graphics processor 216, the CPU processor 212, and the communication interface 218 are connected by a bus.
  • the graphics processor 216 is used to generate various graphics objects, such as icons, operation menus, and user input instructions to display graphics. Including an arithmetic unit, which performs operations by receiving various interactive commands input by the user, and displays various objects according to the display attributes. As well as including a renderer, various objects obtained based on the arithmetic unit are generated, and the rendering result is displayed on the display screen 280.
  • the CPU processor 212 is configured to execute operating system and application program instructions stored in the memory 290. And according to receiving various interactive instructions input from the outside, to execute various application programs, data and content, so as to finally display and play various audio and video content.
  • the CPU processor 212 may include multiple processors.
  • the multiple processors may include one main processor and multiple or one sub-processors.
  • the main processor is used to perform some operations of the display device 200 in the pre-power-on mode, and/or to display images in the normal mode.
  • the communication interface may include a first interface 218-1 to an nth interface 218-n. These interfaces may be network interfaces connected to external devices via a network.
  • the controller 210 may control the overall operation of the display device 200. For example, in response to receiving a user command for selecting a UI object to be displayed on the display screen 280, the controller 210 may perform an operation related to the object selected by the user command.
  • the object may be any one of the selectable objects, such as a hyperlink or an icon.
  • Operations related to the selected object for example: display operations connected to hyperlink pages, documents, images, etc., or perform operations corresponding to the icon.
  • the user command for selecting the UI object may be a command input through various input devices (for example, a mouse, a keyboard, a touch pad, etc.) connected to the display device 200 or a voice command corresponding to the voice spoken by the user.
  • the memory 290 includes storing various software circuits for driving and controlling the display device 200.
  • various software circuits stored in the memory 290 include: basic circuits, detection circuits, communication circuits, display control circuits, browser circuits, and various service circuits.
  • the basic circuit is a low-level software circuit used for signal communication between various hardware in the display device 200 and sending processing and control signals to the upper-level circuit.
  • the detection circuit is a management circuit used to collect various information from various sensors or user input interfaces, and perform digital-to-analog conversion, analysis and management.
  • the voice recognition circuit includes a voice parsing circuit and a voice command database circuit.
  • the display control circuit is a circuit for controlling the display screen 280 to display image content, and can be used to play information such as multimedia image content and UI interfaces.
  • the communication circuit is a circuit used for control and data communication with external devices.
  • the browser circuit is a circuit used to perform data communication between browsing servers.
  • the service circuit is a circuit used to provide various services and various applications.
  • the memory 290 is also used to store and receive external data and user data, images of various items in various user interfaces, and visual effect diagrams of focus objects, and the like.
  • the user input interface 276 is used to send the user's input signal to the controller 210, or to transmit the signal output from the controller to the user.
  • the control device for example, a mobile terminal or a remote control
  • Controller or, the control device may receive output signals such as audio, video, or data output from the user input interface processed by the controller, and display the received output signal or output the received output signal as audio or vibration.
  • the user may input a user command on a graphical user interface (GUI) displayed on the display screen 280, and the user input interface receives the user input command through the graphical user interface (GUI).
  • GUI graphical user interface
  • the user may input a user command by inputting a specific voice or gesture, and the user input interface recognizes the voice or gesture through the sensor to receive the user input command.
  • the video processor 260-1 (also called the video processor 12 and the video processor 22 in the foregoing embodiment) is used to receive video signals, and perform decompression, decoding, scaling, noise reduction, and decompression according to the standard codec protocol of the input signal.
  • Video data processing such as frame rate conversion, resolution conversion, and image synthesis can obtain a video signal that can be directly displayed or played on the display screen 280.
  • the video processor 260-1 includes a demultiplexing circuit, a video decoding circuit, an image synthesis circuit, a frame rate conversion circuit, a display formatting circuit, and the like.
  • the demultiplexing circuit is used to demultiplex the input audio and video data stream. For example, if MPEG-2 is input, the demultiplexing circuit will demultiplex into a video signal and an audio signal.
  • the video decoding circuit is used to process the demultiplexed video signal, including decoding and scaling.
  • An image synthesis circuit such as an image synthesizer, is used to superimpose and mix the GUI signal generated by the graphics generator with the zoomed video image according to user input or itself to generate a displayable image signal.
  • Frame rate conversion circuit used to convert the frame rate of the input video, such as converting the frame rate of the input 24Hz, 25Hz, 30Hz, 60Hz video to the frame rate of 60Hz, 120Hz or 240Hz, where the input frame rate can be compared with the source
  • the video stream is related, and the output frame rate can be related to the update rate of the display screen.
  • the input has the usual format, such as the frame insertion method.
  • the display formatting circuit is used to change the signal output by the frame rate conversion circuit into a signal that conforms to the display format of a display, for example, format conversion of the signal output by the frame rate conversion circuit to output RGB data signals.
  • the display screen 280 is used to receive image signals input from the video processor 260-1, to display video content and images, and a menu control interface.
  • the display screen 280 includes a display screen component for presenting a picture and a driving component for driving image display.
  • the displayed video content can be from the video in the broadcast signal received by the tuner and demodulator 220, or from the video content input by the communicator or the interface of an external device.
  • the display screen 280 simultaneously displays a user manipulation interface UI generated in the display device 200 and used to control the display device 200.
  • the display screen 280 it also includes a driving component for driving the display.
  • the display screen 280 is a projection display, it may also include a projection device and a projection screen.
  • the audio processor 260-2 is used to receive audio signals, and perform decompression and decoding according to the standard codec protocol of the input signal, as well as audio data processing such as noise reduction, digital-to-analog conversion, and amplification processing, and the result can be in the speaker 272 The audio signal to be played.
  • the audio output interface 270 is used to receive the audio signal output by the audio processor 260-2 under the control of the controller 210.
  • the audio output interface may include a speaker 272 or output to an external audio output terminal 274 of the generator of an external device, such as : External audio terminal or headphone output terminal, etc.
  • the video processor 260-1 may include one or more chips.
  • the audio processor 260-2 may also include one or more chips.
  • the video processor 260-1 and the audio processor 260-2 may be separate chips, or may be integrated with the controller 210 in one or more chips.
  • the power supply 275 is used to provide power supply support for the display device 200 with power input from an external power supply under the control of the controller 210.
  • the power supply 275 may include a built-in power supply circuit installed inside the display device 200, or may be a power supply installed outside the display device 200, such as a power interface for providing an external power supply in the display device 200.
  • a person of ordinary skill in the art can understand that all or part of the steps in the foregoing method embodiments can be implemented by a program instructing relevant hardware.
  • the aforementioned program can be stored in a computer readable storage medium. When the program is executed, it executes the steps including the foregoing method embodiments; and the foregoing storage medium includes: ROM, RAM, magnetic disk, or optical disk and other media that can store program codes.

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

Abstract

L'invention concerne un dispositif d'affichage et un procédé de commutation de programme de télévision. Le dispositif d'affichage comprend : un affichage configuré pour afficher une image d'un premier programme de télévision ; un processeur vidéo configuré pour recevoir un signal vidéo du premier programme de télévision par l'intermédiaire d'une interface d'entrée et pour déterminer l'état de lecture du premier programme de télévision ; et un dispositif de commande configuré pour commander, lorsque l'état de lecture du premier programme de télévision est un état de lecture anormal, au processeur vidéo de passer du premier programme de télévision à un programme de télévision cible, et pour commander à l'affichage d'afficher une image du programme de télévision cible.
PCT/CN2020/071140 2019-09-25 2020-01-09 Dispositif d'affichage et procédé de commutation de programme de télévision WO2021056932A1 (fr)

Applications Claiming Priority (4)

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CN201910913300.1A CN112565857A (zh) 2019-09-25 2019-09-25 显示设备和电视节目的切换方法
CN201910913300.1 2019-09-25
CN201910912212.X 2019-09-25
CN201910912212.XA CN112565856A (zh) 2019-09-25 2019-09-25 显示设备和电视节目的切换方法

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US6195680B1 (en) * 1998-07-23 2001-02-27 International Business Machines Corporation Client-based dynamic switching of streaming servers for fault-tolerance and load balancing
CN1750607A (zh) * 2004-09-17 2006-03-22 乐金电子（沈阳）有限公司 网络电视的画面处理装置及方法
US20080170621A1 (en) * 2007-01-17 2008-07-17 Igal Dvir Device, system and method for encoding employing redundancy and switching capabilities
CN101631238A (zh) * 2009-07-21 2010-01-20 北京市博汇科技有限公司 支持pid置换及节目垫播的码流切换设备、方法和系统
CN102131109A (zh) * 2010-10-14 2011-07-20 华为技术有限公司 用于监控流媒体播放的方法、系统及装置
CN109089165A (zh) * 2018-09-14 2018-12-25 深圳Tcl新技术有限公司 电视警报频道的切换方法、电视机及存储介质

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6195680B1 (en) * 1998-07-23 2001-02-27 International Business Machines Corporation Client-based dynamic switching of streaming servers for fault-tolerance and load balancing
CN1750607A (zh) * 2004-09-17 2006-03-22 乐金电子（沈阳）有限公司 网络电视的画面处理装置及方法
US20080170621A1 (en) * 2007-01-17 2008-07-17 Igal Dvir Device, system and method for encoding employing redundancy and switching capabilities
CN101631238A (zh) * 2009-07-21 2010-01-20 北京市博汇科技有限公司 支持pid置换及节目垫播的码流切换设备、方法和系统
CN102131109A (zh) * 2010-10-14 2011-07-20 华为技术有限公司 用于监控流媒体播放的方法、系统及装置
CN109089165A (zh) * 2018-09-14 2018-12-25 深圳Tcl新技术有限公司 电视警报频道的切换方法、电视机及存储介质

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