CN111698544A - Display device - Google Patents

Display device Download PDF

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Publication number
CN111698544A
CN111698544A CN201910199335.3A CN201910199335A CN111698544A CN 111698544 A CN111698544 A CN 111698544A CN 201910199335 A CN201910199335 A CN 201910199335A CN 111698544 A CN111698544 A CN 111698544A
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CN
China
Prior art keywords
module
display device
user
sound detection
mcu
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910199335.3A
Other languages
Chinese (zh)
Inventor
王之奎
贾其燕
李本友
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hisense Visual Technology Co Ltd
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Hisense Visual Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hisense Visual Technology Co Ltd filed Critical Hisense Visual Technology Co Ltd
Priority to CN201910199335.3A priority Critical patent/CN111698544A/en
Priority to PCT/CN2020/078061 priority patent/WO2020187050A1/en
Publication of CN111698544A publication Critical patent/CN111698544A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42203—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] sound input device, e.g. microphone
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/4401—Bootstrapping
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/4401—Bootstrapping
    • G06F9/4418—Suspend and resume; Hibernate and awake
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42221—Transmission circuitry, e.g. infrared [IR] or radio frequency [RF]

Abstract

A display apparatus is disclosed to control standby power consumption of the display apparatus in a standby mode. The display equipment comprises an environmental sound detection module, a microphone module and an MCU module; the environment sound detection module is used for detecting the environment sound of the environment where the display equipment is located in the standby mode and controlling the microphone module and the MCU module to be turned on or turned off according to the environment sound; the microphone module is used for collecting voice data input by a user; the MCU module is used for identifying and responding to a voice awakening instruction input by a user from the voice data collected by the microphone module so as to awaken the display equipment to enter an operation mode.

Description

Display device
Technical Field
The application relates to the technical field of display, in particular to a display device.
Background
In order to meet the user's personalized needs and improve the user experience, the display device may perform various interactive functions related to the voice control command input by the user. The voice control instruction input by the user can be input through a built-in microphone on the display device.
Current display devices have two states, a standby mode and an active mode.
Generally, in the operation mode of the display device, all or most of services are in an on state, such as a service for collecting user voice, a service for processing user voice, and the like by a built-in microphone on the display device, which can recognize and respond to a voice control instruction input by a user.
However, in the standby mode, all or most of the services are in the off state, and meanwhile, a part of the services, such as a service in which a microphone collects a user's voice, a service in which the user's voice is processed, and the like, need to be turned on by continuously powering on, so as to be able to recognize and respond to a voice control instruction input by the user, for example, a voice wake-up instruction input by the user is used to wake up the display device from the standby mode to the operating mode, which may result in a larger standby power consumption of the display device in the standby mode.
Disclosure of Invention
The embodiment of the application provides a display device, which is used for controlling the standby power consumption of the display device in a standby mode.
The display equipment comprises an ambient sound detection module, a microphone module and an MCU module;
the environment sound detection module is used for detecting the environment sound of the environment where the display equipment is located in the standby mode and controlling the microphone module and the MCU module to be turned on or turned off according to the environment sound;
the microphone module is used for collecting voice data input by a user;
the MCU module is used for identifying and responding to a voice awakening instruction input by a user from the voice data collected by the microphone module so as to awaken the display equipment to enter an operation mode.
Optionally, the ambient sound detection module is specifically configured to control the microphone module and the MCU module to be turned off when it is determined that the magnitude of the ambient sound is not within a preset range; and when the size of the environmental sound is judged to be within the preset range, the microphone module and the MCU module are controlled to be started.
Optionally, the ambient sound detection module is turned off while the microphone module and the MCU module are turned on.
Optionally, after the MCU module is turned on, the MCU module is further configured to detect a time duration for turning on itself, and control the environmental sound detection module to turn on or off according to the time duration for turning on itself.
Optionally, the MCU module is specifically configured to control the environmental sound detection module to start when the self-start duration exceeds a preset duration; and controlling the environmental sound detection module to be closed when the self-opening time length is judged not to exceed the set time length.
Optionally, the display device further includes an SOC module;
and the SOC module is used for sending the state that the display equipment enters a standby mode or a running mode to the MCU module.
Optionally, the MCU module is further configured to control the ambient sound detection module to turn on when receiving a state that the display device sent by the SOC module enters a standby mode; and when the state that the display equipment enters the running mode and is sent by the SOC module is received, controlling the environmental sound detection module to be closed.
In the above embodiments of the present application, the display device includes an ambient sound detection module, a microphone module, and an MCU module. On the basis, the standby power consumption of the display device can be controlled by alternately controlling the opening or closing of part of the modules in the display device in the standby mode. Especially for the display device in the standby mode, the microphone module and the MCU module are intermittently controlled to be simultaneously turned on or turned off through the environment sound detection module, and compared with the mode of continuously keeping the microphone module and the MCU module turned on, the standby power consumption of the display device in the standby mode caused by continuous power-on of the microphone module and the MCU module can be greatly reduced.
Drawings
Fig. 1 is a schematic diagram illustrating an operation scenario between a display device and a control apparatus;
fig. 2 is a block diagram schematically showing a configuration of the control apparatus 100 in fig. 1;
fig. 3 is a block diagram schematically illustrating a configuration of the display device 200 in fig. 1;
fig. 4 is a block diagram schematically illustrating another configuration of the display device 200 in fig. 1;
fig. 5 is a block diagram illustrating still another configuration of the display device 200 in fig. 1;
fig. 6 is a block diagram illustrating a circuit configuration of each block in fig. 5.
Detailed Description
The following detailed description of embodiments of the present application will be made with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present application, are given by way of illustration and explanation only, and are not intended to limit the present application.
Fig. 1 is a schematic diagram illustrating an operation scenario between a display device and a control apparatus. As shown in fig. 1, the control apparatus 100 and the display device 200 may communicate with each other in a wired or wireless manner.
Among them, the control apparatus 100 is configured to control the display device 200, which may receive an operation instruction input by a user and convert the operation instruction into an instruction recognizable and responsive by the display device 200, serving as an intermediary for interaction 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.
The control device 100 may be a remote controller 100A, which includes infrared protocol communication or bluetooth protocol communication, and other short-distance communication methods, etc. to control the display apparatus 200 in a wireless or other wired manner. The user may input a user instruction 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.
The control device 100 may also be an intelligent device, such as a mobile terminal 100B, a tablet computer, a notebook computer, and the like. For example, the display device 200 is controlled using an application program running on the smart device. The application program may provide various controls to a user through an intuitive User Interface (UI) on a screen associated with the smart device through configuration.
For example, the mobile terminal 100B 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 100B may be caused to establish a control instruction protocol with the display device 200 to implement the functions of the physical keys as arranged in the remote control 100A by operating various function keys or virtual buttons of the user interface provided on the mobile terminal 100B. The audio and video content displayed on the mobile terminal 100B may also be transmitted to the display device 200, so as to implement a synchronous display function.
The display apparatus 200 may provide a network television function of a broadcast receiving function and a computer support function. Examples of the display device include a digital television, a web television, an Internet Protocol Television (IPTV), and the like.
The display device 200 may be a liquid crystal display, an organic light emitting display, a projection device. The specific display device type, size, resolution, etc. are not limited.
The display apparatus 200 also performs data communication with the server 300 through various communication means. Here, the display apparatus 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 300 may provide various contents and interactions to the display apparatus 200. By way of example, the display device 200 may send and receive information such as: receiving Electronic Program Guide (EPG) data, receiving software program updates, or accessing a remotely stored digital media library. The servers 300 may be a group or groups of servers, and may be one or more types of servers. Other web service contents such as a video on demand and an advertisement service are provided through the server 300.
Fig. 2 is a block diagram illustrating the configuration of the control device 100. As shown in fig. 2, the control device 100 includes a controller 110, a memory 120, a communicator 130, a user input interface 140, an output interface 150, and a power supply 160.
The controller 110 includes a Random Access Memory (RAM) 111, a Read Only Memory (ROM) 112, a processor 113, a communication interface, and a communication bus. The controller 110 is used to control the operation of the control device 100, as well as the internal components of the communication cooperation, external and internal data processing functions.
Illustratively, when an interaction of a user pressing a key disposed on the remote controller 100A or an interaction of touching a touch panel disposed on the remote controller 100A is detected, the controller 110 may control to generate a signal corresponding to the detected interaction and transmit the signal to the display device 200.
And a memory 120 for storing various operation programs, data and applications for driving and controlling the control apparatus 100 under the control of the controller 110. The memory 120 may store various control signal commands input by a user.
The communicator 130 enables communication of control signals and data signals with the display apparatus 200 under the control of the controller 110. Such as: the control apparatus 100 transmits a control signal (e.g., a touch signal or a button signal) to the display device 200 via the communicator 130, and the control apparatus 100 may receive the signal transmitted by the display device 200 via the communicator 130. The communicator 130 may include an infrared signal interface 131 and a radio frequency signal interface 132. For example: 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 the digital signal is modulated according to the rf control signal modulation protocol and then transmitted to the display device 200 through the rf transmitting terminal.
The user input interface 140 may include at least one of a microphone 141, a touch pad 142, a sensor 143, a key 144, and the like, so that a user can input a user instruction regarding controlling the display apparatus 200 to the control apparatus 100 through voice, touch, gesture, press, and the like.
The output interface 150 outputs a user instruction received by the user input interface 140 to the display apparatus 200, or outputs an image or voice signal received by the display apparatus 200. Here, the output interface 150 may include an LED interface 151, a vibration interface 152 generating vibration, a sound output interface 153 outputting sound, a display 154 outputting an image, and the like. For example, the remote controller 100A may receive an output signal such as audio, video, or data from the output interface 150, and display the output signal in the form of an image on the display 154, in the form of audio on the sound output interface 153, or in the form of vibration on the vibration interface 152.
And a power supply 160 for providing operation power support for each element of the control device 100 under the control of the controller 110. In the form of a battery and associated control circuitry.
A configuration block diagram of the display device 200 is exemplarily shown in fig. 3. As shown in fig. 3, the display apparatus 200 may include a tuner demodulator 210, a communicator 220, a detector 230, an external device interface 240, a controller 250, a memory 260, a user interface 265, a video processor 270, a display 275, an audio processor 280, an audio input interface 285, and a power supply 290.
The tuner demodulator 210 receives the broadcast television signal in a wired or wireless manner, may perform modulation and demodulation processing such as amplification, mixing, and resonance, and is configured to demodulate, from a plurality of wireless or wired broadcast television signals, an audio/video signal carried in a frequency of a television channel selected by a user, and additional information (e.g., EPG data).
The tuner demodulator 220 is responsive to the user selected frequency of the television channel and the television signal carried by the frequency, as selected by the user and controlled by the controller 250.
The tuner demodulator 220 may receive a television signal in various ways according to the broadcasting system of the television signal, such as: terrestrial broadcasting, cable broadcasting, satellite broadcasting, internet broadcasting, or the like; and according to different modulation types, a digital modulation mode or an analog modulation mode can be adopted; and can demodulate the analog signal and the digital signal according to the different kinds of the received television signals.
In other exemplary embodiments, the tuning demodulator 220 may also be in an external device, such as an external set-top box. In this way, the set-top box outputs a television signal after modulation and demodulation, and inputs the television signal into the display apparatus 200 through the external device interface 240.
The communicator 220 is a component for communicating with an external device or an external server according to various communication protocol types. For example, the display apparatus 200 may transmit content data to an external apparatus connected via the communicator 220, or browse and download content data from an external apparatus connected via the communicator 220. The communicator 220 may include a network communication protocol module or a near field communication protocol module, such as a WIFI module 221, a bluetooth communication protocol module 222, and a wired ethernet communication protocol module 223, 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 WIFI signal, a bluetooth signal, a radio frequency signal, and the like.
The detector 230 is a component of the display apparatus 200 for collecting signals of an external environment or interaction with the outside. The detector 230 may include a sound collector 231, such as a microphone, which may be used to receive a user's sound, such as a voice signal of a control instruction of the user to control the display device 200; alternatively, the ambient sound for identifying the type of the ambient scene may be collected, so that the display device 200 adjusts its own audio output according to the ambient sound, thereby implementing that the display device 200 may adapt to the ambient noise.
In some other exemplary embodiments, the detector 230, which may further include an image collector 232, such as a camera, a video camera, etc., may be configured to collect external environment scenes to adaptively change the display parameters of the display device 200; and the function of acquiring the attribute of the user or interacting gestures with the user so as to realize the interaction between the display equipment and the user.
In some other exemplary embodiments, the detector 230 may further include a light receiver for collecting the intensity of the ambient light to adapt to the display parameter variation of the display device 200.
In some other exemplary embodiments, the detector 230 may further include a temperature sensor, such as by sensing an ambient temperature, and the display device 200 may adaptively adjust a display color temperature of the image. For example, when the temperature is higher, the display apparatus 200 may be adjusted to display a color temperature of an image that is cooler; when the temperature is lower, the display device 200 may be adjusted to display a warmer color temperature of the image.
The external device interface 240 is a component for providing the controller 210 to control data transmission between the display apparatus 200 and an external apparatus. The external device interface 240 may be connected to an external apparatus such as a set-top box, a game device, a notebook computer, etc. in a wired/wireless manner, and may receive data such as a video signal (e.g., moving image), an audio signal (e.g., music), additional information (e.g., EPG), etc. of the external apparatus.
The external device interface 240 may include: a High Definition Multimedia Interface (HDMI) terminal 241, a Composite Video Blanking Sync (CVBS) terminal 242, an analog or digital Component terminal 243, a Universal Serial Bus (USB) terminal 244, a Component terminal (not shown), a red, green, blue (RGB) terminal (not shown), and the like.
The controller 250 controls the operation of the display device 200 and responds to the operation of the user by running various software control programs (such as an operating system and various application programs) stored on the memory 260.
As shown in fig. 3, the controller 250 includes a Random Access Memory (RAM) 251, a Read Only Memory (ROM) 252, a graphics processor 253, a CPU processor 254, a communication interface 255, and a communication bus 256. The RAM251, the ROM252, the graphic processor 253, and the CPU processor 254 are connected to each other through a communication bus 256 through a communication interface 255.
The ROM252 stores various system boot instructions. When the display apparatus 200 starts power-on upon receiving the power-on signal, the CPU processor 254 executes a system boot instruction in the ROM252, copies the operating system stored in the memory 260 to the RAM251, and starts running the boot operating system. After the start of the operating system is completed, the CPU processor 254 copies the various application programs in the memory 260 to the RAM251 and then starts running and starting the various application programs.
And a graphic processor 253 for generating various graphic objects such as icons, operation menus, and user input instruction display graphics, etc. The graphic processor 253 may include an operator for performing an operation by receiving various interactive instructions input by a user, and further displaying various objects according to display attributes; and a renderer for generating various objects based on the operator and displaying the rendered result on the display 275.
A CPU processor 254 for executing operating system and application program instructions stored in memory 260. And according to the received user input instruction, processing of various application programs, data and contents is executed so as to finally display and play various audio-video contents.
In some example embodiments, the CPU processor 254 may comprise a plurality of processors. The plurality of processors may include one main processor and a plurality of or one sub-processor. A main processor for performing some initialization operations of the display apparatus 200 in the display apparatus preload mode and/or operations of displaying a screen in the normal mode. A plurality of or one sub-processor for performing an operation in a state of a standby mode or the like of the display apparatus.
The communication interface 255 may include a first interface to an nth interface. These interfaces may be network interfaces that are connected to external devices via a network.
The controller 250 may control the overall operation of the display apparatus 200. For example: in response to receiving a user input command for selecting a GUI object displayed on the display 275, the controller 250 may perform an operation related to the object selected by the user input command.
Where the object may be any one of the selectable objects, such as a hyperlink or an icon. The operation related to the selected object is, for example, an operation of displaying a link to a hyperlink page, document, image, or the like, or an operation of executing a program corresponding to the object. The user input command for selecting the GUI object may be a command input through various input means (e.g., a mouse, a keyboard, a touch panel, etc.) connected to the display apparatus 200 or a voice command corresponding to a voice spoken by the user.
A memory 260 for storing various types of data, software programs, or applications for driving and controlling the operation of the display device 200. The memory 260 may include volatile and/or nonvolatile memory. And the term "memory" includes the memory 260, the RAM251 and the ROM252 of the controller 250, or a memory card in the display device 200.
In some embodiments, the memory 260 is specifically used for storing an operating program for driving the controller 250 of the display device 200; storing various application programs built in the display apparatus 200 and downloaded by a user from an external apparatus; data such as visual effect images for configuring various GUIs provided by the display 275, various objects related to the GUIs, and selectors for selecting GUI objects are stored.
In some embodiments, the memory 260 is specifically configured to store drivers and related data for the tuner demodulator 210, the communicator 220, the detector 230, the external device interface 240, the video processor 270, the display 275, the audio processor 280, and the like, external data (e.g., audio-visual data) received from the external device interface, or user data (e.g., key information, voice information, touch information, and the like) received from the user interface.
In some embodiments, memory 260 specifically stores software and/or programs representing an Operating System (OS), which may include, for example: a kernel, middleware, an Application Programming Interface (API), and/or an application program. Illustratively, the kernel may control or manage system resources, as well as functions implemented by other programs (e.g., the middleware, APIs, or applications); at the same time, the kernel may provide an interface to allow middleware, APIs, or applications to access the controller to enable control or management of system resources.
For example: various software modules stored in memory 260 may include: the system comprises a basic module, a detection module, a communication module, a display control module, a browser module, various service modules and the like. Here, the basic module is a bottom layer software module for performing signal processing on signals received by each hardware element in the display device and transmitting the processed signals to the upper layer application module. The detection module is a management module for collecting various information from various detectors or user interfaces, performing digital-to-analog conversion on the collected information, and analyzing and managing the collected information. The communication module is a module for performing control and data communication with an external device. The display control module is a module for controlling the display to display image content, and can be used for playing multimedia image content and GUI interface information. The browser module is a module for accessing a web server by performing a web browsing operation. The service module is a module for providing various services and various applications.
A user interface 265 receives various user interactions. Specifically, it is used to transmit an input signal of a user to the controller 250 or transmit an output signal from the controller 250 to the user. For example, the remote controller 100A may transmit an input signal, such as a power switch signal, a channel selection signal, a volume adjustment signal, etc., input by the user to the user interface 265, and then the input signal is transferred to the controller 250 through the user interface 265; alternatively, the remote controller 100A may receive an output signal such as audio, video, or data output from the user interface 265 via the controller 250, and display the received output signal or output the received output signal in audio or vibration form.
In some embodiments, a user may enter user commands on a Graphical User Interface (GUI) displayed on the display 275, and the user interface 265 receives the user input commands through the GUI. Specifically, the user interface 265 may receive user input commands for controlling the position of a selector in the GUI to select different objects or items.
Alternatively, the user may input a user command by inputting a specific sound or gesture, and the user interface 265 receives the user input command by recognizing the sound or gesture through the sensor. The video processor 270 is configured to receive an external video signal, and perform video data processing such as decompression, decoding, scaling, noise reduction, frame rate conversion, resolution conversion, and image synthesis according to a standard codec protocol of the input signal, so as to obtain a video signal that is directly displayed or played on the display 275.
Illustratively, the video processor 270 includes a demultiplexing module, a video decoding module, an image synthesizing module, a frame rate conversion module, a display formatting module, and the like.
The demultiplexing module is configured to demultiplex an input audio/video data stream, where, for example, an input MPEG-2 stream (based on a compression standard of a digital storage media moving image and voice), the demultiplexing module demultiplexes the input audio/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 is used for carrying out 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 graphic generator so as to generate an image signal for display.
The frame rate conversion module is configured to convert a frame rate of an input video, for example, convert a frame rate of an input 60Hz video into a frame rate of 120Hz or 240Hz, where a common format is implemented by using, for example, an interpolation frame method.
And a display formatting module for converting the signal output by the frame rate conversion module into a signal conforming to a display format of a display, such as converting the format of the signal output by the frame rate conversion module to output an RGB data signal.
A display 275 for receiving the image signal from the video processor 270 and displaying the video content, the image and the menu manipulation interface. The display video content may be from the video content in the broadcast signal received by the tuner-demodulator 210, or from the video content input by the communicator 220 or the external device interface 240. The display 275, while displaying a user manipulation interface UI generated in the display apparatus 200 and used to control the display apparatus 200.
And, the display 275 may include a display screen assembly for presenting a picture and a driving assembly for driving the display of an image. Alternatively, a projection device and projection screen may be included, provided display 275 is a projection display.
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 audio data processing such as noise reduction, digital-to-analog conversion, and amplification processing to obtain an audio signal that can be played by the speaker 286.
Illustratively, audio processor 280 may support various audio formats. Such as MPEG-2, MPEG-4, Advanced Audio Coding (AAC), high efficiency AAC (HE-AAC), and the like.
The audio output interface 285 is used for receiving an audio signal output by the audio processor 280 under the control of the controller 250, and the audio output interface 285 may include a speaker 286 or an external sound output terminal 287, such as an earphone output terminal, for outputting to a generating device of an external device.
In other exemplary embodiments, video processor 270 may comprise one or more chips. Audio processor 280 may also comprise one or more chips.
And, in other exemplary embodiments, the video processor 270 and the audio processor 280 may be separate chips or may be integrated with the controller 250 in one or more chips.
And a power supply 290 for supplying power supply support to the display apparatus 200 from the power input from the external power source under the control of the controller 250. The power supply 290 may be a built-in power supply circuit installed inside the display apparatus 200 or may be a power supply installed outside the display apparatus 200.
Fig. 4 is a block diagram illustrating another configuration of the display device 200. As shown in fig. 4, the display device 200' may include a power board 21, a main board 23, and a microphone module 25. These assemblies may correspond to some extent to the central subassembly of fig. 3.
The power board 21 is used for supplying power to the main board 23, the microphone module 25 and other components. The power strip 21 may correspond to the power supply 290 in fig. 3.
And a main board 23 for processing various signals in the display device. For example, processing and responding to the sound signal collected by the microphone module 25, such as converting the sound signal into a voice control command; signals input from the external device interface 240, such as radio frequency signals input from the tuner demodulator 210, digital signals input from the HDMI 241 and USB244, component signals input from the component interface 243, etc., are subjected to format conversion processing to generate signals recognizable by the unified display 275, such as low voltage differential signals; the audio signal input from the external device interface 240 is output to the audio output interface 285 after volume control and sound effect processing.
The motherboard 23 may include components such as the external device interface 240, the controller 250, the video processor 270, the audio processor 280, the audio output interface 285, the memory 260, and various integrated circuits in fig. 3. The controller 250 on the motherboard 203 may be implemented as an SOC (System on Chip) module 23a and an MCU (Micro control unit) module 23 b. The SOC module 23a and the MCU module 23b may be integrated together or may be separated.
And a microphone module 25 for collecting a user's voice or collecting an environmental sound for identifying an environmental scene. For example, the microphone module may collect a voice of a user, so that the main board may convert the voice into a voice control instruction to implement various functions of controlling the display device; the microphone module can also collect environmental sounds, so that the mainboard can adjust the output audio of the audio output interface according to the environmental sounds to realize the self-adaption of the display equipment to the environmental noise. The microphone module 205 may correspond to the detector 230 in fig. 3.
In practical applications, based on the configuration block diagrams of the display device 200 in fig. 3 and the display device 200' in fig. 4, the control of the display device 200 can be realized without operating the control apparatus 100. Specifically, the display device 200 may directly collect the voice sent by the user through the sound collector 231 in fig. 3 or the microphone module 25 in fig. 4, and then convert the voice into the voice control instruction to execute the function corresponding to the voice control instruction.
For example, the voice wake-up function: when the display device in the standby mode receives a voice control instruction containing a wake-up word sent by a user, the display device is woken up from the standby mode to enter an operation mode.
Specifically, as shown in fig. 4, when the display device is in the standby mode, the microphone module 25 and the MCU module 23b are kept powered on (in the on state), and the SOC module 23a is kept powered off (in the off state); when the display device is in the operation mode, the microphone module 25, the MCU module 23b, and the SOC module 23a are all kept powered on (in an on state).
On the basis, in the display device in the standby mode, the microphone module 25 collects the sound data containing the awakening words sent by the user and transmits the sound data to the MCU module 23 b; the MCU module 23b receives the sound data, recognizes that the sound data contains a wakeup word after local recognition, and then the MCU module 23b determines a voice wakeup command to wake up the display device according to the recognition result, and triggers the SOC module 23a to enter a working state, thereby enabling the display device to be woken up from a standby mode to enter an operating mode.
As another example, the screen capture function: when the display equipment in the running mode receives a voice control instruction of screenshot sent by a user, screenshot processing is carried out on the current picture of the display equipment.
Specifically, in the display device in the running mode, the microphone module 25 collects sound data including keywords related to screenshot sent by the user, and transmits the sound data to the MCU module 23 b; the MCU module 23b transmits the sound data to the SOC module 23 a; the SOC module 23a notifies the voice and semantic server to perform voice recognition and result conversion on the sound data, and determines a voice control instruction for capturing a current screen displayed by the display device according to a recognition result returned by the voice and semantic server, thereby executing current screen capture processing.
It should be noted that most or all of the system services in the display device in the standby mode are in the off state. For example, the relevant components of the media output function in the display device in the standby mode are in the off state, such as the audio output of the display device is in the off state and the screen is in the off state. And in the standby mode, the display device is in a low-power-consumption working state, and the power consumed at the moment is the standby power consumption. Most or all of the system services in the display device in the operation mode are in an on state, and the display device can normally work. For example, in the display device in the operation mode, the related components of the media output function are in an on state, the audio output is in an on state, and the screen is in a lighting state.
The standby mode and the operation mode of the display device may be switched with each other. For the display device in the running mode, when the user operates a power key on the control device or shuts down the display device through voice control, the display device in the running mode enters a standby mode. For the display device in the standby mode, when the user operates a power key on the control device or starts up the display device through voice control, the display device in the standby mode enters the running mode.
However, based on the configuration block diagram of the display device in fig. 4, in the standby mode, the microphone module for collecting the user voice data and the MCU module for processing the user voice data containing the wakeup word need to be powered on all the time to operate the display device with the voice wakeup function, which undoubtedly makes the standby power consumption of the display device in the standby mode larger.
Fig. 5 is a block diagram illustrating still another configuration of the display device 200. As shown in fig. 5, the display device 200 ″ may include a power board 21, a main board 23, a microphone module 25, and an ambient sound detection module 27. These assemblies may correspond to some extent to the central subassembly of fig. 3.
Unlike fig. 4, an ambient sound detection module 27 is added to fig. 5.
And the ambient sound detection module 27 is configured to detect the magnitude of the ambient sound, and control the microphone module 25 and the MCU module 23b to be turned on or off according to the magnitude of the ambient sound. The ambient sound detection module 27 may correspond to the detector 230 in fig. 3.
Here, the microphone module 25 and the ambient sound detection module 27 are integrated together and connected to the main board 23 in fig. 5, but may be separately and independently connected to the main board 23, and is not limited in particular.
The display device shown in fig. 5, especially when the display device has a voice wake-up function, may control standby power consumption in its standby mode. Specifically, the method comprises the following steps:
the SOC module 23a is configured to notify the MCU module 23b of a state that the display device enters a standby mode or a running mode, so that the MCU module 23b controls the ambient sound detection module 27 to turn on or off.
The MCU module 23b is configured to control the environmental sound detection module 27 to be turned on or off, and at the same time, to recognize the voice data input by the user, and trigger the SOC module to control the display device to enter the operating mode from the standby mode when the voice data input by the user is recognized as a voice wake-up instruction.
And the microphone module 25 is used for collecting voice data input by a user and transmitting the voice data to the MCU module 23 b. Such as voice data containing a wake-up word.
And the ambient sound detection module 27 is configured to detect the magnitude of the ambient sound, and control the microphone module 25 and the MCU module 23b to be turned on or off according to the magnitude of the ambient sound, so as to control the display device with the voice wake-up function to be in a standby power consumption state in a standby mode.
In the first embodiment, as shown in fig. 5, in the standby mode of the display device, the ambient sound detection module 27 remains powered on (in an on state), the microphone module 25 and the MCU module 23b may alternatively remain powered on (in an on state) or powered off (in an off state) according to whether the setting condition of the ambient sound detection module 27 is satisfied, and the SOC module 23a remains powered off (in an off state).
Specifically, the display device with the voice wake-up function, after the SOC module informs the MCU module of the state that the display device enters the standby mode:
the MCU module controls the environment sound detection module to be started in a power-on mode.
After the environment sound detection module is started, the MCU module and the microphone module are controlled to be closed in a power-off mode. Secondly, external environment sounds can be collected; detecting the magnitude of the environmental sound; and whether the size of the environmental sound is within a preset range is judged so as to control the opening or closing of the microphone module and the MCU module in a power-on or power-off mode.
Optionally, when the environmental sound detection module determines that the size of the environmental sound is not within the preset range, it indicates that the current environmental sound scene in which the user may not need to watch the display device is present, that is, the probability that the user wakes up the display device in the standby mode in the scene is almost 0, so that the microphone module and the MCU module are not required to continuously operate in the scene, and therefore the environmental sound detection module keeps the microphone module and the MCU module closed in a power-off manner, which can greatly reduce the standby power consumption caused by the fact that the microphone module and the MCU module are powered on all the time.
Optionally, when the environmental sound detection module determines that the size of the environmental sound is within the preset range, it indicates that the current environmental sound scene in which the user may need to watch the display device is present, that is, the user has a high probability to wake up the display device in the standby mode in the scene, so that the microphone module and the MCU module are required to continuously detect in the scene, and therefore the environmental sound detection module controls the microphone module and the MCU module to be turned on in a power-on manner to detect whether the user sends a voice wake-up instruction to wake up the display device to enter the operating mode.
Here, the preset range may be set according to experience or experiments, for example, the preset range is 40-70 db, and the environment in the range is suitable, such as a state when family members eat dinner together or after dinner, and there is a high probability that the user needs to wake up the display device in the standby mode in this environment scene; when the environment is quieter below 40 decibels, such as sleeping at night or in an unmanned state in the daytime, a user cannot wake up the display device in a standby mode in the environment scene; when the environment is noisy above 70 db, such as a meeting state of inviting friends in the daytime, the probability that the user wakes up the display device in the standby mode in this environment is almost 0.
In addition, it should be noted that the power consumption caused by powering on the ambient sound detection module is much smaller than the power consumption caused by powering on the microphone module and the MCU module.
In this embodiment, the microphone module and the MCU module are intermittently controlled to be turned on or off simultaneously according to whether the ambient sound detected by the ambient sound detection module is within a preset range, so as to control a part of standby power consumption of the display device in the standby mode.
In the second embodiment, as shown in fig. 5, in the standby mode of the display device, the ambient sound detection module 27 may periodically remain powered on (in an on state) or powered off (in an off state) according to whether a predefined condition is satisfied, the microphone module 25 and the MCU module 23b may alternately remain powered on (in an on state) or powered off (in an off state) according to whether a set condition of the ambient sound detection module 27 is satisfied, and the SOC module 23a remains powered off (in an off state).
Different from the first embodiment, after the SOC module notifies the MCU module of the state of the display device entering the standby mode:
the MCU module controls the environment sound detection module to be started in a power-on mode.
After the environment sound detection module is started, the MCU module and the microphone module are controlled to be closed in a power-off mode. And secondly, the environmental sound detection module starts timing and controls the self to be started or closed according to whether the timing time length exceeds the set time length.
Optionally, the timing duration of the environmental sound detection module exceeds the set timing duration, the self-closing is controlled in a power-off mode, and the microphone module and the MCU module are kept closed. Therefore, the standby power consumption caused by the fact that the microphone module and the MCU module are powered on all the time can be greatly reduced.
Optionally, the environmental sound detection module keeps self-starting when the timing duration does not exceed the set timing duration; meanwhile, external environment sounds can be collected; detecting the magnitude of the environmental sound; and whether the size of the environmental sound is within a preset range is judged so as to control the opening or closing of the microphone module and the MCU module in a power-on or power-off mode. Thus, the standby power consumption caused by the fact that the microphone module and the MCU module are powered on all the time can be further reduced.
Here, the ambient sound detection module controls the microphone module and the MCU module to be turned on or off according to whether the ambient sound is in a preset range, and the specific implementation manner may refer to the first embodiment.
Here, the set time period may be a duration of one time the ambient sound detection module is turned on, and for example, the set time period may be 60 minutes. And the set time period can be set according to experience and experiments.
In this embodiment, the environmental sound detection module is periodically controlled to be turned on or off according to whether the turning-on duration of the environmental sound detection module exceeds the set duration, and further the microphone module and the MCU module are periodically controlled to be turned on or off simultaneously, so that part of the standby power consumption of the display device in the standby mode can also be controlled.
In the third embodiment, as shown in fig. 5, when the display device is in the standby mode, the microphone module 25, the MCU module 23b, and the ambient sound detection module 27 may alternatively remain powered on (in the on state) or powered off (in the off state) according to whether a predetermined condition is satisfied, and the SOC module 23a remains powered off (in the off state).
The difference between the first embodiment and the second embodiment is that:
on one hand, when the environment sound detection module judges that the size of the environment sound is within the preset range, after the microphone module and the MCU module are controlled to be started in a power-on mode, in order to further reduce standby power consumption caused by the fact that the microphone module and the MCU module are kept powered on and voice wake-up instructions sent by a user are not detected for a long time, on the basis of the embodiment, the MCU module and the microphone module are started, and meanwhile the MCU module is started to time.
If the timing duration exceeds the set duration, it indicates that the current environment sound scene in which the user may not need to watch the display device is present, that is, the probability that the user wakes up the display device in the standby mode in the scene is almost 0, that is, the user does not perform further operation, for example, no voice is emitted, so that the microphone module and the MCU module do not need to work continuously in the scene, the MCU module controls the environment sound detection module to be turned on in an electrifying manner, and the MCU module and the microphone module are controlled to be turned off in a power-off manner after the environment sound detection module is turned on. Therefore, the standby power consumption caused by that the microphone module and the MCU module are electrified for a long time and the voice of the user is not detected can be further reduced.
If the timing duration does not exceed the set duration, it indicates that the user may need to watch the ambient sound scene of the display device currently, that is, the user has a high probability to wake up the display device in the standby mode in the scene, and therefore the microphone module and the MCU module need to continuously detect in the scene, so the microphone module and the MCU module are kept on, and the ambient sound detection module is kept off, so that the microphone module is continuously prepared to collect the voice input by the user, the MCU module continuously recognizes the voice input by the user, and when it is recognized that the voice input by the user is a voice wake-up instruction, the SOC module is triggered to control the display device to enter the operating mode from the standby mode.
Here, the set time period may be a duration for which the microphone module and the MCU module are kept on when it is determined that the ambient sound level is within a preset range, and for example, the set time period may be 15 minutes. And the set time period can be set according to experience and experiments.
On the other hand, when the environment sound detection module judges that the size of the environment sound is within the preset range, the environment sound detection module controls the microphone module and the MCU module to be started in a power-on mode so as to detect whether a user sends a voice awakening instruction to awaken the display device to enter the running mode. Meanwhile, the MCU module controls the environment sound detection module to be closed in a power-off mode after being started, so that the standby power consumption caused by continuous power-on of the environment sound detection module is further reduced.
In this embodiment, when the ambient sound detection module detects that the magnitude of the ambient sound is within the preset range, the microphone module and the MCU module are further controlled to be simultaneously turned on or off by determining whether the turn-on durations of the microphone module and the MCU module exceed the set duration, so as to control a part of the standby power consumption of the display device in the standby mode.
On the basis of the first, second and third embodiments, when the display device is in the operation mode, the microphone module 25, the MCU module 23b and the SOC module 23a are all kept powered on (in the on state), and the ambient sound detection module 27 is kept powered off (in the off state).
Specifically, when the display device in the standby mode is awakened through the voice awakening function and enters the running mode, the SOC module notifies the MCU module of the state of the display device entering the running mode:
the MCU module controls the environment sound detection module to be closed in a power-off mode, so that the microphone module continuously prepares to collect voice input by a user, the MCU module continuously receives the voice input by the user and transmits the voice to the SOC module, and the SOC module recognizes a voice control instruction corresponding to the voice and executes a function corresponding to the voice control instruction.
It is worth to be noted that, the MCU module, the microphone module, and the ambient sound detection module may be powered on or powered off by high and low level triggering, so as to be turned on or off.
Specifically, fig. 6 is a block diagram illustrating a circuit configuration of each block in fig. 5. As shown in fig. 6, VCCcheckThe power supply of the environmental sound detection module is always high level when the display equipment is in a standby mode/a starting mode; VCCMICIs the power supply of the microphone module, and the display device is always in high level in the standby mode/the startup mode; VCCMCUThe power supply of the MCU module is always high level when the display equipment is in a standby mode/a starting mode.
Preferably, when the display device enters the standby mode, the MCU module may control the output terminal of the CTRCL2 to output a high level, and may control the transistor Q1 to be turned on, so that the input of the CTRL4 input terminal of the logic module is a low level, which is processed by the logic module, and the CTRL3 output terminal of the logic module outputs a high level; when the CTRL3 output terminal outputs a high level, it may control the transistor Q2 to be turned on, so as to control the first switch module to be turned on, and thus finally control the ambient sound detection module to be powered on. The environment sound detection module can control the output end of the CTRL1 to output a high level, which can control the transistor Q3 to be turned on, thereby respectively controlling the transistors Q4 and Q5 to be turned off, and further controlling the second switch module and the third switch module to be turned off, so as to finally control the MCU module and the microphone module to be powered off. Namely, in standby mode: the environment sound detection module is powered on and started, and the MCU module and the microphone module are powered off and closed.
Preferably, when the ambient sound detection module detects that the ambient sound is within the preset range in the standby mode, the ambient sound detection module may control the output terminal of the CTRL1 to output a low level, which may control the transistor Q3 to be turned off, so as to control the transistors Q4 and Q5 to be turned on, respectively, and further control the second switch module and the third switch module to be turned on, so as to finally control the MCU module and the microphone module to be powered on. The MCU module can control the output end of the CTRCL2 to output a low level and can control the cutoff of the triode Q1, so that the input end of the CTRL4 of the logic module is a high level, the high level is processed by the logic module, and the low level is output from the CTRL3 output end of the logic module; when the CTRL3 output terminal outputs a low level, it may control the transistor Q2 to be turned off, so that the first switch module is turned off, and thus the ambient sound detection module is finally controlled to be powered off. Namely, when the environmental sound detection module detects that the environmental sound is in the preset range in the standby mode: the MCU module and the microphone module are powered on and started, and the environment sound detection module is powered off and closed.
Preferably, when the timing duration of the MCU module in the standby mode exceeds a preset duration, the MCU module may control the output terminal of the CTRCL2 to output a high level, further control the output terminal of the CTRL3 to output a high level, and finally control the ambient sound detection module to power on. The environment sound detection module can control the output end of the CTRL1 to output a high level, and finally control the MCU module and the microphone module to be powered off. Namely, the timing duration of the MCU module in the standby mode exceeds the preset duration: the environment sound detection module is powered on and started, and the MCU module and the microphone module are powered off and closed.
Preferably, when the display device enters the operation mode, the ambient sound detection module may control the output terminal of the CTRL1 to output a low level, and finally control the MCU module and the microphone module to be powered on. The MCU module can control the output end of the CTRCL2 to output a low level, further control the output end of the CTRL3 to output a low level, and finally control the environmental sound detection module to power off. Namely, the operation mode: the MCU module and the microphone module are powered on and started, and the environment sound detection module is powered off and closed.
In fig. 6, the first, second and third switching modules may be implemented in the form of MOS transistors and load resistors, and the logic module may be implemented in the form of a data selector having an alternative function. In addition, fig. 6 shows a circuit configuration form of each module in the display device by way of example only, and the circuit configuration form of the preferred embodiment in the present application is not particularly limited in practical application.
In the above-described embodiments, by introducing the "ambient sound detection module" in the display device, and by intermittently controlling the turning on or off of each module in the display device in the standby mode, the standby power consumption of the display device can be controlled. Especially for the display device in the standby mode, the microphone module and the MCU module are intermittently controlled to be simultaneously turned on or turned off, and compared with the method of always keeping the microphone module and the MCU module on, the standby power consumption of the display device in the standby mode can be greatly reduced.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (7)

1. A display device, comprising: the system comprises an environmental sound detection module, a microphone module and an MCU module;
the environment sound detection module is used for detecting the environment sound of the environment where the display equipment is located in the standby mode and controlling the microphone module and the MCU module to be turned on or turned off according to the environment sound;
the microphone module is used for collecting voice data input by a user;
the MCU module is used for identifying and responding to a voice awakening instruction input by a user from the voice data collected by the microphone module so as to awaken the display equipment to enter an operation mode.
2. The display device of claim 1,
the environment sound detection module is specifically used for controlling the microphone module and the MCU module to be closed when the environment sound is judged not to be in the preset range; and when the size of the environmental sound is judged to be within the preset range, the microphone module and the MCU module are controlled to be started.
3. The display device of claim 2, wherein the ambient sound detection module is turned off while the microphone module and the MCU module are turned on.
4. The display device of claim 2, wherein after the MCU module is turned on,
the MCU module is also used for detecting the self-opening time length and controlling the environmental sound detection module to be opened or closed according to the self-opening time length.
5. The display device of claim 4,
the MCU module is specifically used for judging that the self-starting time length exceeds the set time length, and controlling the environment sound detection module to start; and controlling the environmental sound detection module to be closed when the self-opening time length is judged not to exceed the set time length.
6. The display device of claim 1, further comprising: an SOC module;
and the SOC module is used for sending the state that the display equipment enters a standby mode or a running mode to the MCU module.
7. The display device of claim 6,
the MCU module is also used for controlling the environmental sound detection module to be started when the state that the display equipment sent by the SOC module enters a standby mode is received; and when the state that the display equipment enters the running mode and is sent by the SOC module is received, controlling the environmental sound detection module to be closed.
CN201910199335.3A 2019-03-15 2019-03-15 Display device Pending CN111698544A (en)

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Application publication date: 20200922