CN111954043B - Information bar display method and display equipment - Google Patents
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Abstract
The invention discloses an information bar display method and display equipment, wherein the display equipment comprises the following steps: a display for displaying an information bar; a user interface for receiving user operations; a controller coupled to the display and the user interface, configured to perform: responding to the operation of starting the information bar, and acquiring the length of the sound information of the current film source; and if the length of the sound information is larger than a threshold value, controlling a display to display the sound information and the effect information in an information bar in a line mode. When the sound information is too long, the invention adopts a line-by-line display mode, namely, the sound information and the sound effect information are displayed in different lines, so that a user can see the complete sound information and the clear and complete sound effect information in the corresponding lines, thereby improving the display effect of the information bar and improving the watching experience of the user.
Description
Technical Field
The invention relates to the technical field of display equipment, in particular to an information bar display method and display equipment.
Background
An information Bar (Info Bar) is a function provided by the digital television, and is used for showing currently played channel information or program information to a user, and specifically, the information Bar displays sound information representing a sound type, sound effect information representing a sound effect type, an aspect ratio, subtitles and other contents.
The current information bar requires that sound information and sound effect information are displayed on the same line, different programs have sound information with different lengths, when the sound information is too long, the sound information on the same line is compressed, so that sound effect images in the sound effect information cannot be clearly displayed, for example, only one part of the sound effect images is displayed, and the complete sound effect images and sound effect types behind the sound effect images cannot be displayed, thereby being incapable of providing clear and good display effect for users.
Disclosure of Invention
In order to solve the technical problem, the invention provides an information bar display method and display equipment.
A first aspect provides a display device comprising:
a display for displaying an information bar;
a user interface for receiving a user operation;
a controller coupled to the display and the user interface, configured to perform:
responding to the operation of starting the information bar, and acquiring the length of the sound information of the current film source;
and if the length of the sound information is larger than a threshold value, controlling a display to display the sound information and the sound effect information in an information column in a line.
In some embodiments, the threshold = preset display length of each line in the display column — display length of the sound effect image in the sound effect information.
In some embodiments, the controller is further configured to perform: and if the length of the sound information is smaller than or equal to the threshold value, controlling a display to display the sound information and the effect information on the same target line in the information bar.
In some embodiments, the controller displays the sound information and the sound effect information in a row in an information bar as follows: controlling a display to display the sound information on a target line in an information bar; and switching the sound effect information to the next line of the target line for display.
In some embodiments, the controller displays the sound information and the sound effect information in a row in an information bar as follows: controlling a display to display the sound effect information on a target line in an information bar; and switching the sound information to the next line of the target line for display.
A second aspect provides an information bar display method in a display device, including:
responding to the operation of starting the information bar, and acquiring the length of the sound information of the current film source;
and if the length of the sound information is larger than a threshold value, displaying the sound information and the effect information in an information bar in a line mode.
In the scheme provided by the application, because different film sources have different sound information, when a user starts the information bar each time, the length of the sound information of the current film source needs to be acquired, the length of the sound information is compared with a threshold value, and if the length of the sound information is smaller than or equal to the threshold value, the sound information and the sound effect information can be displayed in the information bar in the same line; if the length of sound information is greater than the threshold value, sound information will compress sound effect information if the sound information is displayed completely, therefore, a line-dividing display mode is adopted in the scheme, namely, the sound information and the sound effect information are displayed in different lines, so that a user can see the complete sound information in the corresponding line and see the clear and complete sound effect information, the display effect of an information column is improved, and the viewing experience of the user is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic diagram illustrating an operation scenario between a display device 200 and a control apparatus 100;
fig. 2 is a block diagram illustrating a hardware configuration of the display device 200 in fig. 1;
fig. 3 is a block diagram schematically showing a hardware configuration of the control apparatus 100 in fig. 1;
fig. 4 is a schematic diagram illustrating a software configuration in the display device 200 in fig. 1;
FIG. 5 is a schematic diagram illustrating an icon control interface display of an application on display device 200;
fig. 6 is a schematic diagram illustrating a display when the sound effect information in the information bar is compressed;
fig. 7 is a diagram exemplarily showing an omitted display of sound information in an information bar;
FIG. 8 is a flow chart illustrating an information banner display method performed by the display device configuration;
fig. 9 (a) is a diagram exemplarily showing a display of sound information and effect information in a message box in rows;
fig. 9 (b) is a schematic view schematically showing another example of line-by-line display of sound information and effect information in an information bar;
fig. 10 is a schematic diagram illustrating the inline display of sound information and sound effect information in an information bar.
Detailed Description
To make the objects, embodiments and advantages of the present application clearer, the following description of exemplary embodiments of the present application will clearly and completely describe the exemplary embodiments of the present application with reference to the accompanying drawings in the exemplary embodiments of the present application, and it is to be understood that the described exemplary embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
All other embodiments, which can be derived by a person skilled in the art from the exemplary embodiments described herein without making any inventive step, are intended to be within the scope of the claims appended hereto. In addition, while the disclosure herein has been presented in terms of one or more exemplary examples, it should be appreciated that aspects of the disclosure may be implemented solely as a complete embodiment.
It should be noted that the brief descriptions of the terms in the present application are only for the convenience of understanding the embodiments described below, and are not intended to limit the embodiments of the present application. These terms should be understood in their ordinary and customary meaning unless otherwise indicated.
The terms "first," "second," "third," and the like in the description and claims of this application and in the above-described drawings are used for distinguishing between similar or analogous objects or entities and are not necessarily intended to limit the order or sequence of any particular one, unless otherwise indicated. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
Furthermore, the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a product or device that comprises a list of elements is not necessarily limited to those elements explicitly listed, but may include other elements not expressly listed or inherent to such product or device.
The term "module," as used herein, refers to any known or later developed hardware, software, firmware, artificial intelligence, fuzzy logic, or combination of hardware and/or software code that is capable of performing the functionality associated with that element.
The term "remote control" as used in this application refers to a component of an electronic device (such as the display device disclosed in this application) that is typically wirelessly controllable over a relatively short range of distances. Typically using infrared and/or Radio Frequency (RF) signals and/or bluetooth to connect with the electronic device, and may also include WiFi, wireless USB, bluetooth, motion sensor, etc. For example: the hand-held touch remote controller replaces most of the physical built-in hard keys in a common remote control device with a user interface in a touch screen.
The term "gesture" as used in this application refers to a user's behavior through a change in hand shape or an action such as hand motion to convey a desired idea, action, purpose, or result.
Fig. 1 is a schematic diagram illustrating an operation scenario between a display device and a control apparatus according to an embodiment. As shown in fig. 1, a user may operate the display device 200 through the mobile terminal 300 and the control apparatus 100.
In some embodiments, the control apparatus 100 may be a remote controller, and the communication between the remote controller and the display device includes an infrared protocol communication or a bluetooth protocol communication, and other short-distance communication methods, etc., and the display device 200 is controlled by wireless or other wired methods. The user may input a user command through a key on a remote controller, voice input, control panel input, etc. to control the display apparatus 200. Such as: the user can input a corresponding control command through a volume up/down key, a channel control key, up/down/left/right moving keys, a voice input key, a menu key, a power on/off key, etc. on the remote controller, to implement the function of controlling the display device 200.
In some embodiments, mobile terminals, tablets, computers, laptops, and other smart devices may also be used to control the display device 200. For example, the display device 200 is controlled using an application program running on the smart device. The application, through configuration, may provide the user with various controls in an intuitive User Interface (UI) on a screen associated with the smart device.
In some embodiments, the mobile terminal 300 may install a software application with the display device 200 to implement connection communication through a network communication protocol for the purpose of one-to-one control operation and data communication. Such as: the mobile terminal 300 and the display device 200 can establish a control instruction protocol, synchronize a remote control keyboard to the mobile terminal 300, and control the display device 200 by controlling a user interface on the mobile terminal 300. The audio and video content displayed on the mobile terminal 300 can also be transmitted to the display device 200, so as to realize the synchronous display function.
As also shown in fig. 1, the display apparatus 200 also performs data communication with the server 400 through various communication means. The display device 200 may be allowed to be communicatively connected through a Local Area Network (LAN), a Wireless Local Area Network (WLAN), and other networks. The server 400 may provide various contents and interactions to the display apparatus 200. Illustratively, the display device 200 receives software program updates, or accesses a remotely stored digital media library, by sending and receiving information, as well as Electronic Program Guide (EPG) interactions. The server 400 may be a cluster or a plurality of clusters, and may include one or more types of servers. Other web service contents such as video on demand and advertisement services are provided through the server 400.
The display device 200 may be a liquid crystal display, an OLED display, or a projection display device. The particular display device type, size, resolution, etc. are not limiting, and those skilled in the art will appreciate that the display device 200 may be modified in performance and configuration as desired.
The display apparatus 200 may additionally provide an intelligent network tv function of a computer support function including, but not limited to, a network tv, an intelligent tv, an Internet Protocol Tv (IPTV), and the like, in addition to the broadcast receiving tv function.
A hardware configuration block diagram of a display device 200 according to an exemplary embodiment is exemplarily shown in fig. 2.
In some embodiments, at least one of the controller 250, the tuner demodulator 210, the communicator 220, the detector 230, the input/output interface 255, the display 275, the audio output interface 285, the memory 260, the power supply 290, the user interface 265, and the external device interface 240 is included in the display apparatus 200.
In some embodiments, the display 275 is configured to receive image signals from the output of the first processor and to display video content and images and components of the menu manipulation interface.
In some embodiments, the display 275, includes a display component for presenting a picture, and a drive component that drives the display of an image.
In some embodiments, the video content is displayed from broadcast television content, or alternatively, from various broadcast signals that may be received via wired or wireless communication protocols. Alternatively, various image contents received from the network communication protocol and sent from the network server side can be displayed.
In some embodiments, the display 275 is used to present a user-manipulated UI interface generated in the display apparatus 200 and used to control the display apparatus 200.
In some embodiments, a driver assembly for driving the display is also included, depending on the type of display 275.
In some embodiments, display 275 is a projection display and may also include a projection device and a projection screen.
In some embodiments, communicator 220 is a component for communicating with external devices or external servers according to various communication protocol types. For example: the communicator may include at least one of a WIFI module 221, a bluetooth module 222, a wired ethernet module 223, and other network communication protocol modules or near field communication protocol modules, and an infrared receiver, so that the communicator 220 may receive a control signal of the control device 100 according to the control of the controller 250, and implement the control signal as a signal type such as a WIFI signal, a bluetooth signal, and a radio frequency signal.
In some embodiments, the display apparatus 200 may establish control signal and data signal transmission and reception with the external control device 100 or the content providing apparatus through the communicator 220.
In some embodiments, the user interface 265 may be configured to receive infrared control signals from a control device 100 (e.g., an infrared remote control, etc.).
In some embodiments, the detector 230 is a signal used by the display device 200 to collect an external environment or interact with the outside.
In some embodiments, the detector 230 includes a light receiver, a sensor for collecting the intensity of ambient light, and parameters such as parameter changes can be adaptively displayed by collecting the ambient light.
In some embodiments, the detector 230 may further include an image collector, such as a camera, etc., which may be configured to collect external environment scenes, collect attributes of the user or gestures interacted with the user, adaptively change display parameters, and recognize user gestures, so as to implement a function of interaction with the user.
In some embodiments, the detector 230 may also include a temperature sensor or the like, such as by sensing ambient temperature.
In some embodiments, the display apparatus 200 may adaptively adjust a display color temperature of an image. For example, the display apparatus 200 may be adjusted to display a cool tone when the temperature is in a high environment, or the display apparatus 200 may be adjusted to display a warm tone when the temperature is in a low environment.
In some embodiments, the detector 230 may also include a sound collector or the like, such as a microphone, which may be used to receive the user's voice. Illustratively, a voice signal including a control instruction of the user to control the display device 200, or to collect an ambient sound for recognizing an ambient scene type, so that the display device 200 can adaptively adapt to an ambient noise.
In some embodiments, as shown in fig. 2, the input/output interface 255 is configured to allow data transfer between the controller 250 and external other devices or other controllers 250. Such as receiving video signal data and audio signal data of an external device, or command instruction data, etc.
In some embodiments, the external device interface 240 may include, but is not limited to, the following: the interface can be any one or more of a high-definition multimedia interface (HDMI), an analog or data high-definition component input interface, a composite video input interface, a USB input interface, an RGB port and the like. The plurality of interfaces may form a composite input/output interface.
In some embodiments, as shown in fig. 2, the tuning demodulator 210 is configured to receive a broadcast television signal through a wired or wireless receiving manner, perform modulation and demodulation processing such as amplification, mixing, resonance, and the like, and demodulate an audio and video signal from a plurality of wireless or wired broadcast television signals, where the audio and video signal may include a television audio and video signal carried in a television channel frequency selected by a user and an EPG data signal.
In some embodiments, the frequency points demodulated by the tuner demodulator 210 are controlled by the controller 250, and the controller 250 can send out control signals according to user selection, so that the modem responds to the television signal frequency selected by the user and modulates and demodulates the television signal carried by the frequency.
In some embodiments, the broadcast television signal may be classified into a terrestrial broadcast signal, a cable broadcast signal, a satellite broadcast signal, an internet broadcast signal, or the like according to the broadcasting system of the television signal. Or may be classified into a digital modulation signal, an analog modulation signal, and the like according to a modulation type. Or the signals are classified into digital signals, analog signals, and the like according to the type of the signals.
In some embodiments, the controller 250 and the modem 210 may be located in different separate devices, that is, the modem 210 may also be located in an external device of the main device where the controller 250 is located, such as an external set-top box. Therefore, the set top box outputs the television audio and video signals modulated and demodulated by the received broadcast television signals to the main body equipment, and the main body equipment receives the audio and video signals through the first input/output interface.
In some embodiments, the controller 250 controls the operation of the display device and responds to user operations through various software control programs stored in memory. The controller 250 may control the overall operation of the display apparatus 200. For example: in response to receiving a user command for selecting a UI object to be displayed on the display 275, the controller 250 may perform an operation related to the object selected by the user command.
In some embodiments, the object may be any one of selectable objects, such as a hyperlink or an icon. Operations related to the selected object, such as: displaying an operation of connecting to a hyperlink page, document, image, etc., or performing an operation of a program corresponding to the icon. The user command for selecting the UI object may be a command input through various input means (e.g., a mouse, a keyboard, a touch pad, etc.) connected to the display apparatus 200 or a voice command corresponding to a voice spoken by the user.
As shown in fig. 2, the controller 250 includes at least one of a Random Access Memory 251 (RAM), a Read-Only Memory 252 (ROM), a video processor 270, an audio processor 280, other processors 253 (e.g., a Graphics Processing Unit (GPU), a Central Processing Unit 254 (CPU), a Communication Interface (Communication Interface), and a Communication Bus 256 (Bus), which connects the respective components.
In some embodiments, RAM 251 is used to store temporary data for the operating system or other programs that are running.
In some embodiments, ROM252 is used to store instructions for various system boots.
In some embodiments, the ROM252 is used to store a Basic Input Output System (BIOS). The system is used for completing power-on self-test of the system, initialization of each functional module in the system, a driver of basic input/output of the system and booting an operating system.
In some embodiments, when the power-on signal is received, the display device 200 starts to power up, the CPU executes the system boot instruction in the ROM252, and copies the temporary data of the operating system stored in the memory to the RAM 251 so as to start or run the operating system. After the start of the operating system is completed, the CPU copies the temporary data of the various application programs in the memory to the RAM 251, and then, the various application programs are started or run.
In some embodiments, processor 254 is used to execute operating system and application program instructions stored in memory. And executing various application programs, data and contents according to various interactive instructions received from the outside so as to finally display and play various audio and video contents.
In some demonstrative embodiments, processor 254 may include a plurality of processors. The plurality of processors may include a main processor and one or more sub-processors. A main processor for performing some operations of the display apparatus 200 in a pre-power-up mode and/or operations of displaying a screen in a normal mode. One or more sub-processors for one operation in a standby mode or the like.
In some embodiments, a graphics processor 253, for generating various graphics objects, such as: icons, operation menus, user input instruction display graphics, and the like. The display device comprises an arithmetic unit which carries out operation by receiving various interactive instructions input by a user and displays various objects according to display attributes. And the system comprises a renderer for rendering various objects obtained based on the arithmetic unit, wherein the rendered objects are used for being displayed on a display.
In some embodiments, the video processor 270 is configured to receive an external video signal, and perform video processing such as decompression, decoding, scaling, noise reduction, frame rate conversion, resolution conversion, image synthesis, and the like according to a standard codec protocol of the input signal, so as to obtain a signal that can be displayed or played on the direct display device 200.
In some embodiments, video processor 270 includes a demultiplexing module, a video decoding module, an image compositing module, a frame rate conversion module, a display formatting module, and the like.
The demultiplexing module is used for demultiplexing the input audio and video data stream, and if the input MPEG-2 is input, the demultiplexing module demultiplexes the input audio and video data stream into a video signal and an audio signal.
And the video decoding module is used for processing the video signal after demultiplexing, including decoding, scaling and the like.
And the image synthesis module, such as an image synthesizer, is used for performing superposition mixing processing on the GUI signal input by the user or generated by the user and the video image after the zooming processing by the graphics generator so as to generate an image signal for display.
The frame rate conversion module is configured to convert an input video frame rate, such as a 60Hz frame rate into a 120Hz frame rate or a 240Hz frame rate, and the normal format is implemented in, for example, an interpolation frame mode.
The display format module is used for converting the received video output signal after the frame rate conversion, and changing the signal to conform to the signal of the display format, such as outputting an RGB data signal.
In some embodiments, the graphics processor 253 may be integrated with the video processor, or may be separately provided, where the integrated configuration may perform processing of a graphics signal output to the display, and the separate configuration may perform different functions, such as a GPU + FRC (Frame Rate Conversion) architecture.
In some embodiments, the audio processor 280 is configured to receive an external audio signal, decompress and decode the received audio signal according to a standard codec protocol of the input signal, and perform noise reduction, digital-to-analog conversion, and amplification processes to obtain an audio signal that can be played in a speaker.
In some embodiments, video processor 270 may comprise one or more chips. The audio processor may also include one or more chips.
In some embodiments, the video processor 270 and the audio processor 280 may be separate chips or may be integrated together with the controller in one or more chips.
In some embodiments, the audio output, under the control of controller 250, receives sound signals output by audio processor 280, such as: the speaker 286, and an external sound output terminal of a generating device that can output to an external device, in addition to the speaker carried by the display device 200 itself, such as: external sound interface or earphone interface, etc., and may also include a near field communication module in the communication interface, for example: and the Bluetooth module is used for outputting sound of the Bluetooth loudspeaker.
The power supply 290 supplies power to the display device 200 from the power input from the external power source under the control of the controller 250. The power supply 290 may include a built-in power supply circuit installed inside the display apparatus 200, or may be a power supply interface installed outside the display apparatus 200 to provide an external power supply in the display apparatus 200.
A user interface 265 for receiving an input signal of a user and then transmitting the received user input signal to the controller 250. The user input signal may be a remote controller signal received through an infrared receiver, and various user control signals may be received through the network communication module.
In some embodiments, the user inputs a user command through the control apparatus 100 or the mobile terminal 300, the user input interface responds to the user input through the controller 250 according to the user input, and the display device 200 responds to the user input through the controller 250.
In some embodiments, the user may input a user command on a Graphical User Interface (GUI) displayed on the display 275, and the user input interface receives the user input command through the Graphical User Interface (GUI). Alternatively, the user may input the user command by inputting a specific sound or gesture, and the user input interface receives the user input command by recognizing the sound or gesture through the sensor.
In some embodiments, a "user interface" is a media interface for interaction and information exchange between an application or operating system and a user that enables conversion between an internal form of information and a form that is acceptable to the user. A common presentation form of a User Interface is a Graphical User Interface (GUI), which refers to a User Interface related to computer operations and displayed in a graphical manner. It may be an interface element such as an icon, window, control, etc. displayed in the display of the electronic device, where the control may include a visual interface element such as an icon, button, menu, tab, text box, dialog box, status bar, navigation bar, widget, etc.
The memory 260 includes a memory storing various software modules for driving the display device 200. Such as: various software modules stored in the first memory, including: at least one of a basic module, a detection module, a communication module, a display control module, a browser module, and various service modules.
The base module is a bottom layer software module for signal communication between various hardware in the display device 200 and for sending processing and control signals to the upper layer module. The detection module is used for collecting various information from various sensors or user input interfaces, and the management module is used for performing digital-to-analog conversion and analysis management.
For example, the voice recognition module comprises a voice analysis module and a voice instruction database module. The display control module is used for controlling the display to display the image content, and can be used for playing the multimedia image content, UI interface and other information. And the communication module is used for carrying out control and data communication with external equipment. And the browser module is used for executing a module for data communication between browsing servers. And the service module is used for providing various services and modules including various application programs. Meanwhile, the memory 260 may store a visual effect map for receiving external data and user data, images of various items in various user interfaces, and a focus object, etc.
Fig. 3 exemplarily shows a block diagram of a configuration of the control apparatus 100 according to an exemplary embodiment. As shown in fig. 3, the control device 100 includes a controller 110, a communication interface 130, a user input/output interface, a memory, and a power supply.
The control apparatus 100 is configured to control the display device 200 and may receive an input operation instruction of a user and convert the operation instruction into an instruction recognizable and responsive by the display device 200, serving as an interaction intermediary between the user and the display device 200. Such as: the user operates the channel up/down key on the control device 100, and the display device 200 responds to the channel up/down operation.
In some embodiments, the control device 100 may be a smart device. Such as: the control apparatus 100 may install various applications that control the display device 200 according to user demands.
In some embodiments, as shown in fig. 1, a mobile terminal 300 or other intelligent electronic device may function similar to the control apparatus 100 after an application for manipulating the display device 200 is installed. Such as: the user may implement the function of controlling the physical keys of the apparatus 100 by installing an application, various function keys or virtual buttons of a graphical user interface available on the mobile terminal 300 or other intelligent electronic device.
The controller 110 includes a processor 112 and RAM 113 and ROM 114, a communication interface 130, and a communication bus. The controller is used for controlling the operation of the control device 100, as well as the communication cooperation among the internal components and the external and internal data processing functions.
The communication interface 130 enables communication of control signals and data signals with the display apparatus 200 under the control of the controller 110. Such as: the received user input signal is transmitted to the display apparatus 200. The communication interface 130 may include at least one of a WiFi chip 131, a bluetooth module 132, an NFC module 133, and other near field communication modules.
A user input/output interface 140, wherein the input interface includes at least one of a microphone 141, a touch pad 142, a sensor 143, keys 144, and other input interfaces. Such as: the user can realize a user instruction input function through actions such as voice, touch, gesture, pressing, and the like, and the input interface converts the received analog signal into a digital signal and converts the digital signal into a corresponding instruction signal, and sends the instruction signal to the display device 200.
The output interface includes an interface that transmits the received user instruction to the display apparatus 200. In some embodiments, the interface may be an infrared interface or a radio frequency interface. Such as: when the infrared signal interface is used, the user input instruction needs to be converted into an infrared control signal according to an infrared control protocol, and the infrared control signal is sent to the display device 200 through the infrared sending module. The following steps are repeated: when the rf signal interface is used, a user input command needs to be converted into a digital signal, and then modulated according to an rf control signal modulation protocol, and then transmitted to the display device 200 through the rf transmitting terminal.
In some embodiments, the control device 100 includes at least one of a communication interface 130 and an input-output interface 140. The control device 100 is configured with a communication interface 130, such as: the WiFi, bluetooth, NFC, etc. modules may transmit the user input command to the display device 200 through the WiFi protocol, or the bluetooth protocol, or the NFC protocol code.
And a memory 190 for storing various operation programs, data and applications for driving and controlling the control apparatus 100 under the control of the controller. The memory 190 may store various control signal commands input by a user.
And a power supply 180 for providing operation power support for the elements of the control device 100 under the control of the controller. A battery and associated control circuitry.
In some embodiments, the system may include a Kernel (Kernel), a command parser (shell), a file system, and an application. The kernel, shell, and file system together form the basic operating system structure that allows users to manage files, run programs, and use the system. After power-on, the kernel is started, kernel space is activated, hardware is abstracted, hardware parameters are initialized, and virtual memory, a scheduler, signals and interprocess communication (IPC) are operated and maintained. And after the kernel is started, loading the Shell and the user application program. The application program is compiled into machine code after being started, and a process is formed.
Referring to fig. 4, in some embodiments, the system is divided into four layers, which are an Application (Applications) layer (abbreviated as "Application layer"), an Application Framework (Application Framework) layer (abbreviated as "Framework layer"), an Android runtime (Android runtime) and system library layer (abbreviated as "system runtime library layer"), and a kernel layer from top to bottom.
In some embodiments, at least one application program runs in the application program layer, and the application programs can be Window (Window) programs carried by an operating system, system setting programs, clock programs, camera applications and the like; or may be an application developed by a third party developer such as a hi program, a karaoke program, a magic mirror program, or the like. In specific implementation, the application packages in the application layer are not limited to the above examples, and may actually include other application packages, which is not limited in this embodiment of the present application.
The framework layer provides an Application Programming Interface (API) and a programming framework for the application program of the application layer. The application framework layer includes a number of predefined functions. The application framework layer acts as a processing center that decides to let the applications in the application layer act. The application program can access the resources in the system and obtain the services of the system in execution through the API interface.
As shown in fig. 4, in the embodiment of the present application, the application framework layer includes a manager (Managers), a Content Provider (Content Provider), a View System (View System), and the like, where the manager includes at least one of the following modules: an Activity Manager (Activity Manager) is used for interacting with all activities running in the system; a Location Manager (Location Manager) for providing access to the system Location service to the system service or application; a Package Manager (Package Manager) for retrieving various information related to an application Package currently installed on the device; a Notification Manager (Notification Manager) for controlling display and clearing of Notification messages; a Window Manager (Window Manager) is used to manage the icons, windows, toolbars, wallpapers, and desktop components on a user interface.
In some embodiments, the activity manager is to: managing the life cycle of each application program and the general navigation backspacing function, such as controlling the exit of the application program (including switching the user interface currently displayed in the display window to the system desktop), opening, backing (including switching the user interface currently displayed in the display window to the previous user interface of the user interface currently displayed), and the like.
In some embodiments, the window manager is used to manage all window processes, such as obtaining display size, determining if there is a status bar, locking the screen, intercepting the screen, controlling display window changes (e.g., zooming out, dithering, distorting, etc.) and the like.
In some embodiments, the system runtime layer provides support for the upper layer, i.e., the framework layer, and when the framework layer is used, the android operating system runs the C/C + + library included in the system runtime layer to implement the functions to be implemented by the framework layer.
In some embodiments, the kernel layer is a layer between hardware and software. As shown in fig. 4, the core layer includes at least one of the following drivers: audio drive, display drive, bluetooth drive, camera drive, WIFI drive, USB drive, HDMI drive, sensor drive (such as fingerprint sensor, temperature sensor, touch sensor, pressure sensor, etc.), and so on.
In some embodiments, the kernel layer further comprises a power driver module for power management.
In some embodiments, software programs and/or modules corresponding to the software architecture of fig. 4 are stored in the first memory or the second memory shown in fig. 2 or 3.
In some embodiments, taking the magic mirror application (photographing application) as an example, when the remote control receiving device receives a remote control input operation, a corresponding hardware interrupt is sent to the kernel layer. The kernel layer processes the input operation into an original input event (including information such as the value of the input operation, the timestamp of the input operation, etc.). The raw input events are stored at the kernel layer. The application program framework layer obtains an original input event from the kernel layer, identifies a control corresponding to the input event according to the current position of the focus and uses the input operation as a confirmation operation, the control corresponding to the confirmation operation is a control of a magic mirror application icon, the magic mirror application calls an interface of the application framework layer to start the magic mirror application, and then the kernel layer is called to start a camera driver, so that a static image or a video is captured through the camera.
In some embodiments, for a display device with a touch function, taking a split screen operation as an example, the display device receives an input operation (such as a split screen operation) applied to a display by a user, and the kernel layer may generate a corresponding input event according to the input operation and report the event to the application framework layer. The window mode (such as multi-window mode) corresponding to the input operation, the position and size of the window and the like are set by an activity manager of the application framework layer. And the window management of the application program framework layer draws a window according to the setting of the activity manager, then sends the drawn window data to the display driver of the kernel layer, and the display driver displays the corresponding application interface in different display areas of the display.
In some embodiments, as shown in fig. 5, the application layer containing at least one application may display a corresponding icon control in the display, such as: a live television application icon control, a Video On Demand (VOD) application icon control, a media center application icon control, an application center icon control, a game application icon control, and the like.
In some embodiments, the live television application may provide live television via different signal sources. For example, a live television application may provide television signals using input from cable television, radio broadcasts, satellite services, or other types of live television services. And, the live television application may display video of the live television signal on the display device 200.
In some embodiments, a video-on-demand application may provide video from different storage sources. Unlike live television applications, video on demand provides a video display from some storage source. For example, the video on demand may come from a server side of the cloud storage, from a local hard disk storage containing stored video programs.
In some embodiments, the media center application may provide various applications for multimedia content playback. For example, a media center, which may be other than live television or video on demand, may provide services that a user may access to various images or audio through a media center application.
In some embodiments, an application center may provide storage for various applications. The application may be a game, an application, or some other application associated with a computer system or other device that may be run on the smart television. The application center may obtain these applications from different sources, store them in local storage, and then be executable on the display device 200.
The above embodiments describe the hardware/software architecture and functional implementation of the display device. In some application scenarios, a user may input an operation of starting an information bar through the control device 100, the user interface 265 receives the operation of starting the information bar and forwards the operation of starting the information bar to the controller 250, and the controller 250 needs to control the display 275 to display the information bar corresponding to the current film source in response to the operation of starting the information bar. The film source in the present application may be provided by an external signal source device, such as a cable tv channel connected to a set-top box for watching, or the film source may also be a network film source, such as a program watched in a video APP.
The content displayed in the information bar includes, but is not limited to, sound information, sound effect information, aspect ratio, and caption, and the specific display content of the information bar is subject to practical application, which is not limited in this embodiment. Wherein, the sound information generally comprises the sound type of the current film source; the effect information generally includes an effect image for representing an effect type symbol, and the effect type is displayed after the effect image. Since the sound information and the sound effect information are both related to audio playback, the conventional UX (User Experience) requires that the sound information and the sound effect information be arranged in the same line for display. The sound effect described in the present application includes but is not limited to Dolby (Dolby) sound effect, DTS (Digital player System, digital Theater sound effect) sound effect, magic sound effect, etc., for example, when adopting Dolby sound effect, then sound effect information can be specifically Dolby information, sound effect information uses practical application as the standard.
However, the lengths of the sound information corresponding to different film sources are different, where the length of the sound information refers to a length displayed when the sound information is displayed in a display column line, and the length of some sound information is longer, and the maximum length of information that can be displayed in each line in the information column is basically fixed, so that if the sound information needs to be displayed completely, the sound information in the same line is inevitably compressed, so that the sound information cannot be displayed completely, and even sound images cannot be displayed clearly, for example, in the example of fig. 6, the sound information greatly compresses the sound information, so that the sound images only display half, and the other half cannot be displayed because the information display length of the line does not support, which not only gives a strange viewing experience to a user, but also makes the user unable to view the complete sound information, thus it is seen that the current information column cannot provide a good display effect for the user.
In some embodiments, in order to avoid compressing sound effect information caused by overlong sound information, the sound information may be displayed in the form of a ticker or an ellipsis, and the implementation principle is as follows: a fixed first display length is reserved for the sound information, the first display length may be greater than, equal to, or smaller than the actual length of the sound information, and a second display length is reserved for the sound effect information, as in the example of fig. 7, information in the sound information after exceeding the first display length is displayed in the form of an ellipsis, and thus, a user can know that the sound information is not displayed completely. As can be seen from fig. 7, the sound information is displayed in the form of a ticker or an ellipsis, and although the clear and complete sound information including the sound image can be seen, when the length of the sound information exceeds the first display length, the display bar cannot completely display the sound information, and the display bar still cannot provide a better effect for the user.
Referring to the example of fig. 6 or fig. 7, the display column is divided into three areas, namely, a left area, a middle area and a right area, where the right area is an area for displaying specific information such as sound information and sound effect information, and the area includes several lines, and each line displays different types of information, for example, in fig. 7, the first line in the area displays DTV (Digital Television) information as "DTV 1080i HD Not Rated", the second line in the area displays sound information and sound effect information simultaneously, the sound information is "STETEO 3/3 …", the sound effect information is "sound effect image + DOLBY AUDIO", and in this embodiment, the display control of the area on the right side of the information column in fig. 7 is mainly aimed at, and the lines are also the information lines in the area on the right side. It should be noted that the information bar shown in each drawing in the present application is only exemplary, and does not represent interface display of an actual information bar, for example, only one area may be set in an actual application, all information is displayed in a row in one area, and a specific display form and display content of the information bar are subject to setting of an actual display device.
In view of the above, the present application provides an information bar display method for automatically displaying sound information and sound effect information in a row when the length of the sound information is too long, as shown in fig. 8, the method is executed by configuring a controller 250 in a display device, that is, the execution subject of the information bar display method is the controller 250, and the controller 250 controls row-by-row display/concurrent display of the sound information and the sound effect information in the information bar, the method includes:
and step S10, responding to the operation of starting the information bar, and acquiring the length of the sound information of the current film source.
Since the sound information corresponding to different film sources is different, the lengths of the sound information presented in the information bar are also different, so that when the information bar is called out each time, the length of the sound information of the current film source needs to be recalculated and obtained based on the current film source, and then the length of the sound information is compared with the threshold.
In some embodiments, the overall length of the sound information may be calculated according to the number of characters included in the sound information and a preset length of each character set in the information field; or setting the corresponding display length of each sound type in the information bar, and directly calling the display length corresponding to the sound type according to the sound type indicated by the sound information after the sound information of the current film source is acquired, namely the length of the sound information.
Step S20, determining whether the length of the sound information is greater than a threshold. If the length of the sound information is greater than the threshold, performing step S30; on the contrary, if the length of the sound information is less than or equal to the threshold, step S40 is performed.
In order to accurately measure the compression degree of sound information to sound effect information, threshold value constraint is added, if the length of the sound information is greater than a threshold value, the length of the sound information is indicated to enable a sound effect image to be displayed clearly and completely due to compression; if the length of the sound information is less than or equal to the threshold value, the sound effect image can be displayed clearly and completely.
In some embodiments, the threshold is set in relation to common sound types including, but not limited to: AC3 STEREO ENGLISH, STEREO 3/3ORIGINAL AUDIO, MPEG1-L2 Stereo English, mono, stereo, etc. Determining the display length of the information bar to be d according to the common sound type 1 (ii) a The audio image displayed in the audio information is generally determined by the audio brand authentication, so that the size of the audio image is generally fixed, and the length of the audio image displayed on the information bar is fixed, and is set as d 2 (ii) a The preset display length of each line in the information bar is also fixed, d is set as d, d is the preset maximum display length of each information line in the right area of the display bar shown in fig. 7, and the satisfied relationship is d 1 ≤d-d 2 In order to ensure that at least the sound effect picture can be clearly and completely displayed, the threshold = preset display length d of each line in the display column-display length d of the sound effect picture in the sound effect information 2 。
The value of the threshold is not limited to the embodiment, for example, the average length of the conventional sound effect information is d 3 Then, let the threshold = d-d 3 The mode is favorable for ensuring the clarity and the integrity of the sound effect image, and can also enable the display columns to display the complete sound effect information in rows. The threshold is preset before the message bar is activated and called out.
Step S30, displaying the sound information and the effect information in the information bar in a line.
When the length of the sound information is larger than the threshold value, the sound information and the sound effect information need to be displayed in different rows, namely, the sound information and the sound effect information are automatically switched to be displayed in different rows, so that the length of the independent sound information and the length of the independent sound information are smaller than the preset display length d of each row, the sound information and the sound effect information can be completely displayed in the respective information rows, and a user can more clearly search the related information.
In some embodiments, as shown in fig. 9 (a), step S30 includes: and displaying sound information on a target line in the information bar, and switching the sound effect information to the next line of the target line for displaying. In a traditional scheme, according to the preset display setting of an information bar, sound information and sound effect information are displayed in the same target line, for example, the sound information and the sound effect information are displayed in a second line in a default mode, the second line is the target line, when the fact that line division display is needed is determined, the sound information can be kept in the second line for display, then the sound effect information is switched to a third line for display, and therefore the sound information and the sound effect information are switched to be displayed in an upper adjacent line and a lower adjacent line from the same line.
In some embodiments, as shown in fig. 9 (b), step S30 includes: and displaying the sound effect information on a target line in the information bar, and switching the sound information to the next line of the target line for displaying. In a traditional scheme, according to the preset display setting of an information bar, sound information and sound effect information are displayed in the same target line, for example, the sound information and the sound effect information are displayed in a second line in a default mode, the second line is the target line, when the fact that line division display is needed is determined, the sound effect information can be kept in the second line to be displayed, then the sound information is switched to a third line to be displayed, and therefore the sound information and the sound effect information are displayed in an upper adjacent line and a lower adjacent line in a mode that the same line display is switched.
In the above embodiment, the sound information and the sound effect information are switched to be displayed in two rows adjacent to each other up and down, respectively, but in other embodiments, the sound information and the sound effect information are not limited to be displayed in adjacent rows, as long as the sound information and the sound effect information are not in the same row, but are displayed in two rows corresponding to each other individually, and the display and the arrangement of each information row in the information column can be flexibly set.
Step S40, sound information and effect information are displayed on the same target line in the information bar.
As shown in fig. 10, when the length of the sound information is less than or equal to the threshold, the sound information and the sound effect information do not need to be switched to the line-splitting display mode, but the same line display mode is maintained, for example, the information bar sets that the sound information and the sound effect information are to be displayed in the second line, and the second line is the target line, and the sound information and the sound effect information are displayed in the second line on the left-right side.
In the scheme provided by the application, because different film sources have different sound information, when a user starts an information bar each time, the length of the sound information of the current film source needs to be acquired, and the length of the sound information is compared with a threshold value, wherein the threshold value can be the maximum length enough for displaying the set sound information on the premise of ensuring that the sound information/sound image can be clearly and effectively displayed. If the length of the sound information is less than or equal to the threshold value, the sound information and the sound effect information can be displayed in the same line in the information bar; if the length of sound information is greater than the threshold value, sound information will compress sound effect information if the sound information needs to be displayed completely, so a line-dividing display mode is adopted in the scheme, namely the sound information and the sound effect information are displayed in different lines, and thus, a user can see the complete sound information in the corresponding line and see the clear and complete sound effect information, thereby improving the display effect of an information column and improving the viewing experience of the user.
Those skilled in the art will readily appreciate that the techniques of the embodiments of the present invention may be implemented as software plus a required general purpose hardware platform. In a specific implementation, the present invention further provides a computer storage medium, where the computer storage medium may store a program, and when the computer storage medium is located in a display device, the program may include all program steps involved in the information bar display method configured by the controller 250. The computer storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM) or a Random Access Memory (RAM).
Similar parts between the display device embodiment and the method embodiment in this specification may be referred to with each other, and related contents are not described again.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. The specification and examples are to be regarded in an illustrative manner only and are not intended to limit the scope of the present invention. With a true scope and spirit of the invention being indicated by the following claims.
Claims (8)
1. A display device, comprising:
a display for displaying an information bar;
a user interface for receiving user operations;
a controller coupled to the display and the user interface, configured to perform:
responding to the operation of starting the information bar, and acquiring the sound information of the current film source; the sound information comprises sound type, character number and preset length of each character set in the information bar;
calculating the length of sound information according to the number of the characters and the preset length of each character;
determining the information display length in the information bar according to the sound type, and if the information display length is less than or equal to the preset display length of each line in the information bar-the display length of the sound effect image, then the threshold = the preset display length of each line in the information bar-the display length of the sound effect image;
if the length of the sound information is larger than a threshold value, controlling a display to display the sound information and the effect information in an information bar in a line mode; wherein the sound effect information includes a sound effect image and a sound effect type displayed after the sound effect image.
2. The display device according to claim 1, wherein the controller is further configured to perform:
and if the length of the sound information is smaller than or equal to the threshold value, controlling a display to display the sound information and the effect information on the same target line in the information bar.
3. The display device according to claim 1, wherein the controller displays the sound information and the effect information in a row in an information bar as follows:
controlling a display to display the sound information on a target line in an information bar;
and switching the sound effect information to the next line of the target line for display.
4. The display device according to claim 1, wherein the controller displays the sound information and the effect information in a row in an information bar as follows:
controlling a display to display the sound effect information on a target line in an information bar;
and switching the sound information to the next line of the target line for display.
5. An information bar display method in a display device, comprising:
responding to the operation of starting the information bar, and acquiring the sound information of the current film source; the sound information comprises sound type, character number and preset length of each character set in the information bar;
calculating the length of sound information according to the number of the characters and the preset length of each character;
determining the information display length in the information bar according to the sound type, and if the information display length is less than or equal to the preset display length of each line in the information bar-the display length of the sound effect image, then the threshold = the preset display length of each line in the information bar-the display length of the sound effect image;
if the length of the sound information is larger than a threshold value, displaying the sound information and the effect information in an information bar in a line mode; wherein the sound effect information includes a sound effect image and a sound effect type displayed after the sound effect image.
6. The method of claim 5, further comprising:
and if the length of the sound information is smaller than or equal to the threshold value, displaying the sound information and the effect information on the same target line in the information bar.
7. The method of claim 5, wherein displaying the sound information and the sound effect information in a column of information in a row comprises:
displaying the sound information on a target line in an information bar;
and switching the sound effect information to the next line of the target line for display.
8. The method of claim 5, wherein displaying the sound information and the sound effect information in a column comprises:
displaying the sound effect information on a target line in an information bar;
and switching the sound information to the next line of the target line for display.
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| JP4720874B2 (en) * | 2008-08-14 | 2011-07-13 | ソニー株式会社 | Information processing apparatus, information processing method, and information processing program |
| CN107943964A (en) * | 2017-11-27 | 2018-04-20 | 腾讯音乐娱乐科技（深圳）有限公司 | Lyric display method, device and computer-readable recording medium |
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