CN116017006A

CN116017006A - Display device and method for establishing communication connection with power amplifier device

Info

Publication number: CN116017006A
Application number: CN202211719159.XA
Authority: CN
Inventors: 卢平光; 徐善亮; 孙显卓; 吴燕丽
Original assignee: Hisense Visual Technology Co Ltd
Current assignee: Hisense Visual Technology Co Ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2023-04-25
Also published as: CN112399217A; CN112399217B

Abstract

The application discloses a display device and a method for establishing communication connection with a power amplifier device, when detecting that the power amplifier device is accessed, executing a first initialization flow corresponding to an e-ARC power amplifier device, wherein the first initialization flow comprises the steps of outputting a high-level Hotplug signal, and monitoring whether a common-mode data packet sent by the power amplifier device is received or not within a first preset duration; if the common-mode data packet is received within the first preset time period, continuing to execute a first initialization flow to establish communication connection with the power amplifier equipment; if the common mode data packet is not received within the first preset duration, the execution of the first initialization flow is terminated, and the second initialization flow corresponding to the ARC power amplifier equipment is executed to establish communication connection with the power amplifier equipment. It can be seen that, no matter whether the accessed power amplifier device is an ARC power amplifier device or an e-ARC power amplifier device, the display device can dynamically switch the initialization flow, and finally, communication connection is established with the accessed power amplifier device, so that manual setting of a user is not needed, and user experience is improved.

Description

Display device and method for establishing communication connection with power amplifier device

The application is based on the application date: 2020-11-05, application number: the division of the chinese patent of 202011226522.5.

Technical Field

The application relates to the technical field of display equipment, in particular to display equipment and a method for establishing communication connection with power amplifier equipment.

Background

Today, display devices can provide users with not only broadcast television programs (live television programs) through digital broadcasting, but also richer contents and services such as network video, network games, etc. based on online interactive media, internet television, and on-demand streaming media.

The display device comprises an HDMI ARC interface, and the external power amplifier device supporting ARC can be connected into the display device through the interface and the HDMI wire harness. The display device can transmit the audio signal back to the power amplifier device for signal amplification and output through the sound feedback technology.

Disclosure of Invention

The application provides a display device and a method for establishing communication connection with power amplifier equipment, which can automatically identify the protocol type supported by the power amplifier equipment, finish initialization interaction with the power amplifier equipment according to the protocol specification supported by the power amplifier equipment, and establish communication connection with the power amplifier equipment.

In a first aspect, the present application provides a display device, comprising:

a display;

the controller, the controller accessible HDMI signal line connection power amplifier equipment, the controller is used for:

When the access of the power amplifier equipment is detected, executing a first initialization flow corresponding to the e-ARC power amplifier equipment, wherein the first initialization flow comprises the steps of outputting a high-level Hotplug signal, and monitoring whether a common-mode data packet sent by the power amplifier equipment is received or not within a first preset duration;

if the common mode data packet is received within a first preset time period, continuing to execute the first initialization flow so as to establish communication connection with the power amplifier equipment;

and if the common mode data packet is not received within a first preset time period, terminating executing the first initialization flow, and executing a second initialization flow corresponding to the ARC power amplifier equipment so as to establish communication connection with the power amplifier equipment.

Further, the continuing to execute the first initialization procedure to establish a communication connection with the power amplifier device includes:

sending a heartbeat packet to the power amplifier device, and monitoring whether a heartbeat response sent by the power amplifier device is received or not within a second preset time length;

and if the heartbeat response of the power amplifier device is received within the second preset time, outputting a low-level Hotplug signal, and connecting the Hotplug signal with the power amplifier device successfully.

Further, the continuing to execute the first initialization procedure to establish a communication connection with the power amplifier device further includes:

And if the heartbeat response of the power amplifier device is not received within a second preset time period, executing the second initialization flow.

Further, the executing a second initialization procedure corresponding to the ARC power amplifier device includes:

under the condition of outputting a low-level Hotplug signal, a first command is sent to the power amplification equipment, and the first command is used for waking up the power amplification equipment and enabling the power amplification equipment to start a sound system working mode;

monitoring whether a first response sent by the power amplifier equipment is received within a third preset time length;

if the first response is received within the third preset time period, a second command is sent to the power amplifier equipment;

monitoring whether a second response sent by the power amplifier equipment is received within a fourth preset time length;

and if the second response is received within the fourth preset time, the connection with the power amplifier equipment is successful.

In a second aspect, the present application further provides a method for establishing a communication connection with a power amplifier device, where the method includes:

As can be seen from the above technical solutions, the present application provides a display device and a method for establishing communication connection with a power amplifier device, when detecting that the power amplifier device is connected, executing a first initialization procedure corresponding to an e-ARC power amplifier device, where the first initialization procedure includes outputting a high-level Hotplug signal, and monitoring whether a common-mode data packet sent by the power amplifier device is received within a first preset duration; if the common-mode data packet is received within the first preset time period, continuing to execute a first initialization flow to establish communication connection with the power amplifier equipment; if the common mode data packet is not received within the first preset duration, the execution of the first initialization flow is terminated, and the second initialization flow corresponding to the ARC power amplifier equipment is executed to establish communication connection with the power amplifier equipment. It can be seen that, no matter whether the accessed power amplifier device is an ARC power amplifier device or an e-ARC power amplifier device, the display device can dynamically switch the initialization flow, and finally, communication connection is established with the accessed power amplifier device, so that manual setting of a user is not needed, and user experience is improved.

Drawings

In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

A schematic diagram of an operational scenario between a display device and a control apparatus according to some embodiments is schematically shown in fig. 1;

a hardware configuration block diagram of a display device 200 according to some embodiments is exemplarily shown in fig. 2;

a hardware configuration block diagram of the control device 100 according to some embodiments is exemplarily shown in fig. 3;

a schematic diagram of the software configuration in a display device 200 according to some embodiments is exemplarily shown in fig. 4;

an icon control interface display schematic of an application in a display device 200 according to some embodiments is illustrated in fig. 5;

fig. 6 is a schematic diagram of a scenario in which a power amplifier device is connected to a display device, where the power amplifier device is shown in some embodiments of the present application;

fig. 7 is a schematic diagram of hardware connection between a power amplifier device and a display device in some embodiments of the present application;

fig. 8 is a schematic diagram of hardware connection between a power amplifier device and a display device in some embodiments of the present application;

Fig. 9 is a flowchart of a method for establishing a communication connection with a power amplifier device, which is shown in some embodiments of the present application.

Detailed Description

Reference will now be made in detail to the embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The embodiments described in the examples below do not represent all embodiments consistent with the present application. Merely as examples of systems and methods consistent with some aspects of the present application as detailed in the claims.

Based on the exemplary embodiments described herein, all other embodiments that may be obtained by one of ordinary skill in the art without making any inventive effort are within the scope of the claims appended hereto. Furthermore, while the disclosure is presented in the context of an exemplary embodiment or embodiments, it should be appreciated that the various aspects of the disclosure may, separately, comprise a complete embodiment.

It should be noted that the brief description of the terms in the present application is only for convenience in understanding the embodiments described below, and is not intended to limit the embodiments of the present application. Unless otherwise indicated, these terms should be construed in their ordinary and customary meaning.

The terms first, second, third and the like in the description and in the claims and in the above-described figures are used for distinguishing between similar or similar objects or entities and not necessarily for describing a particular sequential or chronological order, unless otherwise indicated (Unless otherwise indicated). It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.

Furthermore, the terms "comprise" and "have," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a product or apparatus that comprises a list of elements is not necessarily limited to those elements expressly listed, but may include other elements not expressly listed or inherent to such product or apparatus.

The term "module" as used in this application 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 function associated with that element.

The term "remote control" as used in this application refers to a component of an electronic device (such as a display device as disclosed in this application) that can typically be controlled wirelessly over a relatively short distance. Typically, the electronic device is connected to the electronic device using infrared and/or Radio Frequency (RF) signals and/or bluetooth, and may also include functional modules such as WiFi, wireless USB, bluetooth, motion sensors, etc. For example: the hand-held touch remote controller replaces most of the physical built-in hard keys in a general remote control device with a touch screen user interface.

The term "gesture" as used herein refers to a user behavior by which a user expresses an intended idea, action, purpose, and/or result through a change in hand shape or movement of a hand, etc.

A schematic diagram of an operation scenario between a display device and a control apparatus according to an embodiment is exemplarily shown in fig. 1. As shown in fig. 1, a user may operate the display apparatus 200 through the mobile terminal 300 and the control device 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 infrared protocol communication or bluetooth protocol communication, and other short-range communication modes, etc., and the display device 200 is controlled by a wireless or other wired mode. The user may control the display device 200 by inputting user instructions through keys on a remote control, voice input, control panel input, etc. Such as: the user can input corresponding control instructions through volume up-down keys, channel control keys, up/down/left/right movement keys, voice input keys, menu keys, on-off keys, etc. on the remote controller to realize the functions of the control display device 200.

In some embodiments, mobile terminals, tablet computers, notebook computers, 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 running on a smart device. The application program, by configuration, can provide various controls to the user 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, implement connection communication through a network communication protocol, and achieve the purpose of one-to-one control operation and data communication. Such as: it is possible to implement a control command protocol established between the mobile terminal 300 and the display device 200, synchronize a remote control keyboard to the mobile terminal 300, and implement a function of controlling the display device 200 by controlling a user interface on the mobile terminal 300. The audio/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 device 200 is also in data communication with the server 400 via a variety of communication means. The display device 200 may be permitted to make communication connections via 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 device 200. By way of example, 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 may be multiple clusters, and may include one or more types of servers. Other web service content such as video on demand and advertising services are provided through the server 400.

The display device 200 may be a liquid crystal display, an OLED display, a projection display device. The particular display device type, size, resolution, etc. are not limited, 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 a smart network television function of a computer support function, including, but not limited to, a network television, a smart television, an Internet Protocol Television (IPTV), etc., in addition to the broadcast receiving television function.

A hardware configuration block diagram of the display device 200 according to an exemplary embodiment is illustrated in fig. 2.

In some embodiments, at least one of the controller 250, the modem 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 first processor output, and to display video content and images and components of the menu manipulation interface.

In some embodiments, display 275 includes a display screen assembly for presenting pictures, and a drive assembly for driving the display of images.

In some embodiments, the video content is displayed from broadcast television content, or alternatively, from various broadcast signals that may be received via a wired or wireless communication protocol. Alternatively, various image contents received from the network server side transmitted from the network communication protocol may be displayed.

In some embodiments, the display 275 is used to present a user-manipulated UI interface generated in the display device 200 and used to control the display device 200.

In some embodiments, depending on the type of display 275, a drive assembly for driving the display is also included.

In some embodiments, display 275 is a projection display and may further 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 chip, a bluetooth communication protocol chip, a wired ethernet communication protocol chip, or other network communication protocol chip or a near field communication protocol chip, and an infrared receiver.

In some embodiments, the display device 200 may establish control signal and data signal transmission and reception between the communicator 220 and the external control device 100 or the content providing device.

In some embodiments, the user interface 265 may be used to receive infrared control signals from the control device 100 (e.g., an infrared remote control, etc.).

In some embodiments, the detector 230 is a signal that the display device 200 uses to capture or interact with the external environment.

In some embodiments, the detector 230 includes an optical receiver, a sensor for capturing the intensity of ambient light, a parameter change may be adaptively displayed by capturing ambient light, etc.

In some embodiments, the detector 230 may further include an image collector, such as a camera, a video camera, etc., which may be used to collect external environmental scenes, collect attributes of a user or interact with a user, adaptively change display parameters, and recognize a user gesture to realize an interaction function 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 device 200 may adaptively adjust the display color temperature of the image. The display device 200 may be adjusted to display a colder color temperature shade of the image, such as when the temperature is higher, or the display device 200 may be adjusted to display a warmer color shade of the image when the temperature is lower.

In some embodiments, the detector 230 may also be a sound collector or the like, such as a microphone, that may be used to receive the user's sound. Illustratively, a voice signal including a control instruction for a user to control the display apparatus 200, or an acquisition environmental sound is used to recognize an environmental scene type so that the display apparatus 200 can adapt to environmental noise.

In some embodiments, as shown in fig. 2, the input/output interface 255 is configured to enable 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, command instruction data, or the like.

In some embodiments, external device interface 240 may include, but is not limited to, the following: any one or more interfaces of a high definition multimedia interface HDMI interface, an analog or data high definition component input interface, a composite video input interface, a USB input interface, an RGB port, and the like can be used. The plurality of interfaces may form a composite input/output interface.

In some embodiments, as shown in fig. 2, the modem 210 is configured to receive the broadcast television signal by a wired or wireless receiving manner, and may perform modulation and demodulation processes such as amplification, mixing, and resonance, and demodulate the audio/video signal from a plurality of wireless or wired broadcast television signals, where the audio/video signal may include a television audio/video signal carried in a television channel frequency selected by a user, and an EPG data signal.

In some embodiments, the frequency point demodulated by the modem 210 is controlled by the controller 250, and the controller 250 may send a control signal according to the 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 a broadcasting system of the television signal. Or may be differentiated into digital modulation signals, analog modulation signals, etc., depending on the type of modulation. Or it may be classified into digital signals, analog signals, etc. according to the kind of signals.

In some embodiments, the controller 250 and the modem 210 may be located in separate devices, i.e., the modem 210 may also be located in an external device to the main device in which the controller 250 is located, such as an external set-top box or the like. In this way, 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 on the memory. The controller 250 may control the overall operation of the display apparatus 200. For example: in response to receiving a user command to select to display a UI object 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, a document, an image, or the like, or executing an operation of a program corresponding to the icon. The user command for selecting the UI object may be an input command through various input means (e.g., mouse, keyboard, touch pad, etc.) connected to the display device 200 or a voice command corresponding to a voice uttered by the user.

As shown in fig. 2, the controller 250 includes at least one of a random access Memory 251 (Random Access Memory, RAM), a Read-Only Memory 252 (ROM), a video processor 270, an audio processor 280, other processors 253 (e.g., a graphics processor (Graphics Processing Unit, GPU), a central processing unit 254 (Central Processing Unit, 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 on-the-fly programs.

In some embodiments, ROM 252 is used to store instructions for various system boots.

In some embodiments, ROM 252 is used to store a basic input output system, referred to as a basic input output system (Basic Input Output System, BIOS). The system comprises a drive program and a boot operating system, wherein the drive program is used for completing power-on self-checking of the system, initialization of each functional module in the system and basic input/output of the system.

In some embodiments, upon receipt of the power-on signal, the display device 200 power starts up, the CPU runs system boot instructions in the ROM 252, copies temporary data of the operating system stored in memory into the RAM 251, in order to start up or run the operating system. When the operating system is started, the CPU copies temporary data of various applications in the memory to the RAM 251, and then, facilitates starting or running of the various applications.

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 example embodiments, the processor 254 may include a plurality of processors. The plurality of processors may include one main processor and one or more sub-processors. A main processor for performing some operations of the display apparatus 200 in the pre-power-up mode and/or displaying a picture in the normal mode. One or more sub-processors for one operation in a standby mode or the like.

In some embodiments, the graphics processor 253 is configured to generate various graphical objects, such as: icons, operation menus, user input instruction display graphics, and the like. The device comprises an arithmetic unit, wherein the arithmetic unit is used for receiving various interaction instructions input by a user to carry out operation and displaying various objects according to display attributes. And a renderer for rendering the various objects obtained by the arithmetic unit, wherein the rendered objects are used for being displayed on a display.

In some embodiments, video processor 270 is configured to receive external video signals, perform video processing such as decompression, decoding, scaling, noise reduction, frame rate conversion, resolution conversion, image composition, etc., according to standard codec protocols for input signals, and may result in signals that are displayed or played on directly displayable 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/video data stream, such as the input MPEG-2, and demultiplexes the input audio/video data stream into video signals, audio signals and the like.

And the video decoding module is used for processing the demultiplexed video signals, including decoding, scaling and the like.

And an image synthesis module, such as an image synthesizer, for performing superposition mixing processing on the graphic generator and the video image after the scaling processing according to the GUI signal input by the user or generated by the graphic generator, so as to generate an image signal for display.

The frame rate conversion module is configured to convert the input video frame rate, for example, converting the 60Hz frame rate into the 120Hz frame rate or the 240Hz frame rate, and the common format is implemented in an inserting frame manner.

The display format module is used for converting the received frame rate into a video output signal, and changing the video output signal to a signal conforming to 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 configured, where the integrated configuration may perform processing of graphics signals output to the display, and the separate configuration may perform different functions, such as gpu+frc (Frame Rate Conversion) architecture, respectively.

In some embodiments, the audio processor 280 is configured to receive an external audio signal, decompress and decode the audio signal according to a standard codec protocol of an input signal, and perform noise reduction, digital-to-analog conversion, and amplification processing, so as to obtain a sound signal that can be played in a speaker.

In some embodiments, video processor 270 may include one or more chips. The audio processor may also comprise one or more chips.

In some embodiments, video processor 270 and 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 the controller 250, receives sound signals output by the audio processor 280, such as: the speaker 286, and an external sound output terminal that can be output to a generating device of an external device, other than the speaker carried by the display device 200 itself, such as: external sound interface or earphone interface, etc. can also include the close range 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 input from an external power source to the display device 200 under the control of the controller 250. The power supply 290 may include a built-in power circuit installed inside the display device 200, or may be an external power source installed in the display device 200, and a power interface for providing an external power source in the display device 200.

The user interface 265 is used to receive an input signal from a user and then transmit the received user input signal to the controller 250. The user input signal may be a remote control signal received through an infrared receiver, and various user control signals may be received through a network communication module.

In some embodiments, a user inputs a user command through the control apparatus 100 or the mobile terminal 300, the user input interface is then responsive to the user input through the controller 250, and the display device 200 is then responsive to the user input.

In some embodiments, a user may input a user command through 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 recognizes the sound or gesture through the sensor to receive the user input command.

In some embodiments, a "user interface" is a media interface for interaction and exchange of information between an application or operating system and a user that enables conversion between an internal form of information and a form acceptable to the user. A commonly used presentation form of the user interface is a graphical user interface (Graphic User Interface, GUI), which refers to a user interface related to computer operations that is displayed in a graphical manner. It may be an interface element such as an icon, a window, a control, etc. displayed in a display screen of the electronic device, where the control may include a visual interface element such as an icon, a button, a menu, a tab, a text box, a dialog box, a status bar, a navigation bar, a Widget, etc.

The memory 260 includes 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 base module, a detection module, a communication module, a display control module, a browser module, various service modules, and the like.

The base module is a bottom software module for signal communication between the various hardware in the display device 200 and for sending processing and control signals to the upper modules. The detection module is used for collecting various information from various sensors or user input interfaces and carrying out digital-to-analog conversion and analysis management.

For example, the voice recognition module includes 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, the 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 data communication between the browsing servers. And the service module is used for providing various services and various application programs. Meanwhile, the memory 260 also stores received external data and user data, images of various items in various user interfaces, visual effect maps of focus objects, and the like.

Fig. 3 exemplarily shows a block diagram of a configuration of the control apparatus 100 in accordance with 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 device 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 to the display device 200, to function as an interaction between the user and the display device 200. Such as: the user responds to the channel addition and subtraction operation by operating the channel addition and subtraction key on the control apparatus 100, and the display apparatus 200.

In some embodiments, the control device 100 may be a smart device. Such as: the control apparatus 100 may install various applications for controlling the display apparatus 200 according to user's needs.

In some embodiments, as shown in fig. 1, a mobile terminal 300 or other intelligent electronic device may function similarly to the control device 100 after installing an application that manipulates the display device 200. Such as: the user may implement the functions of controlling the physical keys of the device 100 by installing 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 to control the operation and operation of the control device 100, as well as the communication collaboration 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 device 200 under the control of the controller 110. Such as: the received user input signal is transmitted to the display device 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 touchpad 142, a sensor 143, keys 144, and other input interfaces. Such as: the user can implement a user instruction input function through actions such as voice, touch, gesture, press, and the like, and the input interface converts a received analog signal into a digital signal and converts the digital signal into a corresponding instruction signal, and sends the corresponding instruction signal to the display device 200.

The output interface includes an interface that transmits the received user instruction to the display device 200. In some embodiments, an infrared interface may be used, as well as 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. And the following steps: when the radio frequency signal interface is used, the user input instruction is converted into a digital signal, and then the digital signal is modulated according to a radio frequency control signal modulation protocol and then transmitted to the display device 200 through the radio frequency transmission 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 provided with a communication interface 130 such as: the WiFi, bluetooth, NFC, etc. modules may send the user input instruction to the display device 200 through a WiFi protocol, or a bluetooth protocol, or an NFC protocol code.

A memory 190 for storing various operation programs, data and applications for driving and controlling the control device 200 under the control of the controller. The memory 190 may store various control signal instructions input by a user.

A power supply 180 for providing operating power support for the various elements of the control device 100 under the control of the controller. May be 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 architecture that allows users to manage files, run programs, and use the system. After power-up, the kernel is started, the kernel space is activated, hardware is abstracted, hardware parameters are initialized, virtual memory, a scheduler, signal and inter-process communication (IPC) are operated and maintained. After the kernel is started, shell and user application programs are loaded again. The application program is compiled into machine code after being started to form a process.

Referring to FIG. 4, in some embodiments, the system is divided into four layers, from top to bottom, an application layer (referred to as an "application layer"), an application framework layer (Application Framework layer) (referred to as a "framework layer"), a An Zhuoyun row (Android run) and a system library layer (referred to as a "system runtime layer"), and a kernel layer, respectively.

In some embodiments, at least one application program is running in the application program layer, and these application programs may be a Window (Window) program of an operating system, a system setting program, a clock program, a camera application, and the like; and may be an application program developed by a third party developer, such as a hi-see program, a K-song program, a magic mirror program, etc. In particular implementations, the application packages in the application layer are not limited to the above examples, and may actually include other application packages, which are not limited in this embodiment of the present application.

The framework layer provides an application programming interface (application programming interface, API) and programming framework for application programs of the application layer. The application framework layer includes a number of predefined functions. The application framework layer corresponds to a processing center that decides to let the applications in the application layer act. Through the API interface, the application program can access the resources in the system and acquire the services of the system in the execution.

As shown in fig. 4, the application framework layer in the embodiment of the present application includes a manager (manager), a Content Provider (Content Provider), and the like, where the manager includes at least one of the following modules: an Activity Manager (Activity Manager) is used to interact with all activities that are running in the system; a Location Manager (Location Manager) is used to provide system services or applications with access to system Location services; a Package Manager (Package Manager) for retrieving various information about an application Package currently installed on the device; a notification manager (Notification Manager) for controlling the display and clearing of notification messages; a Window Manager (Window Manager) is used to manage bracketing icons, windows, toolbars, wallpaper, and desktop components on the user interface.

In some embodiments, the activity manager is to: the lifecycle of each application program is managed, as well as the usual navigation rollback functions, such as controlling the exit of the application program (including switching the currently displayed user interface in the display window to the system desktop), opening, backing (including switching the currently displayed user interface in the display window to the previous user interface of the currently displayed user interface), etc.

In some embodiments, the window manager is configured to manage all window procedures, such as obtaining a display screen size, determining whether there is a status bar, locking the screen, intercepting the screen, controlling display window changes (e.g., scaling the display window down, dithering, distorting, etc.), and so on.

In some embodiments, the system runtime layer provides support for the upper layer, the framework layer, and when the framework layer is in use, the android operating system runs the C/C++ libraries contained 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 kernel layer contains at least one of the following drivers: audio drive, display drive, bluetooth drive, camera drive, WIFI drive, USB drive, HDMI drive, sensor drive (e.g., fingerprint sensor, temperature sensor, touch sensor, pressure sensor, etc.), and the like.

In some embodiments, the kernel layer further includes a power driver module for power management.

In some embodiments, the software programs and/or modules corresponding to the software architecture in fig. 4 are stored in the first memory or the second memory shown in fig. 2 or fig. 3.

In some embodiments, taking a magic mirror application (photographing application) as an example, when the remote control receiving device receives an input operation of the remote control, a corresponding hardware interrupt is sent to the kernel layer. The kernel layer processes the input operation into the original input event (including the value of the input operation, the timestamp of the input operation, etc.). The original input event is stored at the kernel layer. The application program framework layer acquires 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 takes the input operation as a confirmation operation, wherein 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, the magic mirror application is started, and further, a camera driver is started by calling the kernel layer, so that a still image or video is captured through a 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) acted on a display screen 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 (e.g., multi-window mode) and window position and size corresponding to the input operation are set by the activity manager of the application framework layer. And window management of the application framework layer draws a window according to the setting of the activity manager, then the drawn window data is sent to a display driver of the kernel layer, and the display driver displays application interfaces corresponding to the window data in different display areas of the display screen.

In some embodiments, as shown in fig. 5, the application layer contains at least one icon control that the application can display in the display, such as: a live television application icon control, a video on demand 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 inputs from cable television, radio broadcast, 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, the video on demand application may provide video from different storage sources. Unlike live television applications, video-on-demand provides video displays from some storage sources. For example, video-on-demand may come from the server side of cloud storage, from a local hard disk storage containing stored video programs.

In some embodiments, the media center application may provide various multimedia content playing applications. For example, a media center may be a different service than live television or video on demand, and a user may access various images or audio through a media center application.

In some embodiments, an application center may be provided to store various applications. The application may be a game, an application, or some other application associated with a computer system or other device but which may be run in a smart television. The application center may obtain these applications from different sources, store them in local storage, and then be run on the display device 200.

The ARC, the audio feedback function, is a conventional sound feedback technical standard and protocol specification. In some embodiments, the HDMI interface of the ARC-enabled display device includes an HDMI ARC interface, through which the ARC-enabled power amplifier device may be connected to the display device via an HDMI harness. The HDMI wire harness is used for connecting the ARC-compatible display device with the ARC-compatible display device, an audio return channel can be established between the display device and the power amplification device based on ARC protocol specifications, an audio signal is sent from the display device to the power amplification device through the established audio return channel, audio content from the display device is listened through the power amplification device, and the need of using an additional composite audio cable or an optical fiber cable is avoided. eARC is an enhanced audio feedback function, is a new generation of sound feedback technical standard and protocol specification, and is quite different from eARC in terms of hardware and software protocols.

Fig. 6 is a schematic view of a scenario in which a power amplifier device is connected to a display device, as shown in fig. 6, and the power amplifier device 600 is connected to the display device 200 through an HDMI harness.

Fig. 7 is a schematic diagram of hardware connection between a power amplifier device and a display device in some embodiments of the present application, and in the example shown in fig. 7, the display device 200 and the power amplifier device 600 support an ARC function. As shown in fig. 7, the sound feedback is performed using the quality signal line, and the interactive command between the display device 200 and the power amplifier device 600 is performed through the CEC signal line. In this example, the audio data is completely separated from the transmission line of the command data, and time-sharing control by software is not required. The transmission of command data is serial communication in which a process belongs to a single line system, and is called CEC protocol.

Fig. 8 is a schematic diagram of hardware connection between a power amplifier device and a display device, which is shown in some embodiments of the present application, and in the example shown in fig. 8, the display device 200 and the power amplifier device 600 support the eARC function. As shown in fig. 8, the HPD signal line and the availability signal line in the HDMI harness are configured as differential signal pairs, and both audio data and interactive data are transmitted by time-division multiplexing of the differential pairs. In this example, it is necessary to configure the HPD signal line and the quality signal line as audio data differential signals when audio data is transmitted, and configure the HPD signal line and the quality signal line as control data differential signals when interactive control is performed, thereby realizing differential signal communication. The command Data transmitted by the interactive process is called a COMMON Mode Data packet.

In some embodiments, the display device is compatible with both ARC and eARC. That is, the power amplifier device supporting ARC and the power amplifier device supporting eARC can be connected with the display device through the HDMI harness, and complete the initialization interaction process with the display device according to the ARC protocol specification or eARC protocol specification, and finally establish the audio feedback channel.

In some embodiments, the ARC-enabled power amplifier device is referred to as an ARC power amplifier device and the eARC-enabled power amplifier device is referred to as an eARC power amplifier device.

In some embodiments, when the ARC power amplifier device is connected to the display device, the user needs to manually set the display device to the ARC interaction mode, so that the display device completes initialization interaction with the connected ARC power amplifier device based on the ARC protocol specification. When the eARC power amplifier device is connected to the display device, the user needs to manually set the display device to an eARC interaction mode, so that the display device and the connected eARC power amplifier device complete initialization interaction based on eARC protocol specifications.

In some embodiments, when the controller 250 detects that the power amplifying device is accessed, a first initialization procedure corresponding to the e-ARC power amplifying device, that is, an initialization procedure specified by the eARC protocol specification, is performed. In the first initialization flow, a high-level Hotplug signal is output at a Hotplug port, namely the level of the Hotplug signal is pulled up, and whether a common-mode data packet sent by power amplification equipment is received or not is monitored within a first preset time length for pulling up the level of the Hotplug signal. If the accessed power amplifier equipment is e-ARC power amplifier equipment, the level state of a Hotplug signal of a Hotplug port of the display equipment is monitored in real time; when the display equipment is monitored to output a high-level Hotplug signal, a common-mode data packet is actively sent to the display equipment; if the accessed power amplifier device is an ARC power amplifier device, the display device will not respond after outputting the high-level Hotplug signal.

Therefore, the display device can preliminarily judge whether the accessed power amplifier device is the eARC power amplifier device or the ARC power amplifier device according to whether the common mode data packet sent by the power amplifier device is received within the first preset time length. If the display device receives the common mode data packet within the first preset time period, continuing to execute the first initialization flow, and if the display device does not receive the common mode data packet within the first preset time period, ending executing the first initialization flow, and starting executing a second initialization flow corresponding to the ARC power amplifier device, namely, an initialization flow specified by the ARC protocol specification.

The first preset duration may be, for example, 20ms.

In some embodiments, if the common-mode data packet sent by the power amplifier device is received within the first preset duration, the controller 250 continues to execute the first initialization procedure, which specifically includes: sending a heartbeat packet to the power amplifier device, and monitoring whether a heartbeat response sent by the power amplifier device is received or not within a second preset time length after the heartbeat packet is sent; if the heartbeat response of the power amplifier device is received within the second preset time length, the power amplifier device can be judged to be the e-ARC power amplifier device, at the moment, a low-level Hotplug signal is output at a Hotplug port, and the connection with the power amplifier device is successful.

In some embodiments, the controller 250 considers that the power amplifier device is not the e-ARC power amplifier device, but the ARC power amplifier device, if the heartbeat response sent by the power amplifier device is not received within the second preset duration of sending the heartbeat packet to the power amplifier device, in the process of continuing to perform the first initialization procedure, and thus performs the second initialization procedure.

The second preset time period may be, for example, 20ms.

In some embodiments, the steps of the controller 250 performing the second initialization procedure include: the method comprises the steps of firstly pulling down the level of a Hotplug signal of a Hotplug port, and then sending a first command to power amplifier equipment, wherein the first command is used for setting a sound system mode request, waking up the power amplifier equipment when the power amplifier equipment is in standby, and enabling the power amplifier equipment to start a sound system working mode. After receiving the first command sent by the display device, the power amplifier device starts the sound system working mode and sends a first response to the display device, wherein the first response is to set the sound system mode response. The controller 250 monitors whether the first response sent by the power amplifier device is received within a third preset time period after the first command is sent to the power amplifier device, and if the first response is received within the third preset time period, the controller sends a second command to the power amplifier device, wherein the second command sets a sound system working mode completion report. After receiving the second command sent by the display device, the power amplifier device sends a second response to the display device, wherein the second response is to set the sound system working mode to finish the response. The controller 250 monitors whether the second response sent by the power amplifier device is received within a fourth preset time period after the second command is sent to the power amplifier device, and if the second response returned by the power amplifier device is received within the fourth preset time period, the communication connection between the display device and the power amplifier device is successfully established.

The third preset duration and the fourth preset duration may be, for example, 20ms.

As can be seen from the above embodiments, when the access of the power amplifier device is detected, a first initialization procedure corresponding to the e-ARC power amplifier device is executed, where the first initialization procedure includes outputting a high-level Hotplug signal, and monitoring whether a co-module data packet sent by the power amplifier device is received within a first preset duration; if the common mode data packet is received within a first preset time period, continuing to execute the first initialization flow so as to establish communication connection with the power amplifier equipment; and if the common mode data packet is not received within a first preset time period, terminating executing the first initialization flow, and executing a second initialization flow corresponding to the ARC power amplifier equipment so as to establish communication connection with the power amplifier equipment. It can be seen that, no matter whether the accessed power amplifier device is an ARC power amplifier device or an e-ARC power amplifier device, the display device can dynamically switch the initialization flow, and finally, communication connection is established with the accessed power amplifier device, so that manual setting of a user is not needed, and user experience is improved.

The embodiment of the application also provides a method for establishing communication connection with the power amplifier device, which is applied to the display device 200 related to the above embodiment. Fig. 9 is a flowchart of a method for establishing a communication connection with a power amplifier device, which is shown in some embodiments of the present application, and as shown in fig. 9, the method may include:

Step 910, detecting power amplifier equipment access;

step 920, executing a first initialization procedure corresponding to the e-ARC power amplifier device, where the first initialization procedure includes:

step 921, outputting a high level Hotplug signal;

step 922, monitoring whether a common-mode data packet sent by the power amplifier device is received or not within a first preset duration; if yes, go to step 923-step 924, if not, go to step 930.

Step 923, if the common mode data packet is received within the first preset duration, continuing to execute the first initialization process, that is, sending a heartbeat packet to the power amplifier device;

step 924, monitoring whether a heartbeat response sent by the power amplifier device is received or not within a second preset time length; if yes, outputting a low-level Hotplug signal, and connecting the Hotplug signal with the power amplifier equipment successfully; if not, go to step 930.

And step 930, terminating the execution of the first initialization procedure, and executing a second initialization procedure corresponding to the ARC power amplifier device.

The second initialization process includes:

step 931, under the condition of outputting a low-level Hotplug signal, sending a first command to the power amplification device, where the first command is used to wake up the power amplification device and enable the power amplification device to start a sound system working mode;

Step 932, monitoring whether a first response sent by the power amplifier device is received within a third preset duration; if yes, go to step 933, if no, end the flow.

Step 933, sending a second command to the power amplifier device;

step 934, monitoring whether a second response sent by the power amplifier device is received within a fourth preset duration; if yes, the power amplifier equipment is successfully connected with the power amplifier equipment; if not, the process is ended.

In a specific implementation, the present invention further provides a computer storage medium, where the computer storage medium may store a program, where the program may include some or all of the steps in each embodiment of the method for establishing a communication connection with a power amplifier device provided by the present invention when the program is executed. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), a random-access memory (random access memory, RAM), or the like.

It will be apparent to those skilled in the art that the techniques of embodiments of the present invention may be implemented in software plus a necessary general purpose hardware platform. Based on such understanding, the technical solutions in the embodiments of the present invention may be embodied in essence or what contributes to the prior art in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the embodiments or some parts of the embodiments of the present invention.

The same or similar parts between the various embodiments in this specification are referred to each other. In particular, for the method embodiments, since they are substantially similar to the display device embodiments, the description is relatively simple, and reference should be made to the description of the method embodiments.

The embodiments of the present invention described above do not limit the scope of the present invention.

Claims

1. A display device, characterized by comprising:

a display;

a controller configured to:

when the access of the power amplification equipment is detected, outputting a high-level Hotplug signal at a Hotplug port of the display equipment, wherein the power amplification equipment comprises: e-ARC power amplifier equipment and ARC power amplifier equipment;

monitoring whether a common-mode data packet from the power amplifier device is received or not in a first preset time period;

if the common mode data packet is received within a first preset time period, sending a heartbeat packet to the power amplifier device, and monitoring whether a heartbeat response sent by the power amplifier device is received within a second preset time period after the heartbeat packet is sent;

if the heartbeat response of the power amplifier device is received within a second preset time period, determining that the power amplifier device is an e-ARC power amplifier device; if the heartbeat response of the power amplifier device is not received within a second preset time period, determining that the power amplifier device is ARC power amplifier device;

If the common mode data packet is not received within a first preset duration, sending an instruction for setting a sound system mode request to a display device, so that the power amplifier device is awakened and a sound system working mode is started when the power amplifier device is in standby;

and monitoring a response sent by the power amplifier equipment, and establishing communication connection with the power amplifier equipment.

2. The display device of claim 1, wherein the controller is configured to:

in the step of monitoring the response sent by the power amplifier device and establishing communication connection with the power amplifier device, the method specifically comprises the following steps:

and if the second response is received within the fourth preset time period, establishing communication connection with the power amplifier equipment.

3. The display device of claim 1, wherein the common Mode Data packet comprises a Mode Data packet.

4. The display device of claim 1, wherein the first preset duration and the second preset duration may be the same.

5. The display device according to claim 2, wherein the third preset time period and the fourth preset time period may be the same.

6. The display device of claim 2, wherein the display device is configured to display the plurality of images,

the first preset duration, the second preset duration, the third preset duration, and the fourth preset duration may be the same.

7. A method for establishing a communication connection with a power amplifier device, the method being applied to a display device, the method comprising:

8. The method of claim 7, wherein the step of determining the position of the probe is performed,

9. The method of claim 7, wherein the common Mode Data packet comprises a Mode Data packet.

10. The display device of claim 8, wherein the display device further comprises a display device,