WO2020122274A1 - Dispositif d'affichage - Google Patents

Dispositif d'affichage Download PDF

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Publication number
WO2020122274A1
WO2020122274A1 PCT/KR2018/015723 KR2018015723W WO2020122274A1 WO 2020122274 A1 WO2020122274 A1 WO 2020122274A1 KR 2018015723 W KR2018015723 W KR 2018015723W WO 2020122274 A1 WO2020122274 A1 WO 2020122274A1
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WO
WIPO (PCT)
Prior art keywords
display device
port
usb
signal
unit
Prior art date
Application number
PCT/KR2018/015723
Other languages
English (en)
Korean (ko)
Inventor
최우진
김지훈
김창회
임경률
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to PCT/KR2018/015723 priority Critical patent/WO2020122274A1/fr
Publication of WO2020122274A1 publication Critical patent/WO2020122274A1/fr

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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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/63—Generation or supply of power specially adapted for television receivers

Definitions

  • the present invention relates to a display device, and more particularly, to a display device connectable with an external device equipped with a microphone.
  • Digital TV services using wired or wireless communication networks are becoming common.
  • the digital TV service can provide various services that could not be provided by the existing analog broadcasting service.
  • IPTV Internet Protocol Television
  • smart TV service bidirectionality is provided to allow a user to actively select the type of viewing program, viewing time, and the like.
  • IPTV and smart TV services may provide various additional services, such as Internet search, home shopping, online games, etc., based on this bi-directionality.
  • Long-distance voice recognition is a function that recognizes the sound on the TV and performs a function related to the TV when the customer utters the voice at a location far from the TV.
  • the manufacturer must place the microphone on the board of the TV, and mechanically, make a hole in the board to place the microphone.
  • An object of the present invention is to provide a display device capable of performing remote voice recognition by using an external microphone without embedding a microphone on a board of the display device.
  • the display device includes an external device interface unit and a control unit for transmitting and receiving data to and from a USB microphone equipped with a microphone, and the external device interface unit supports the USB 3.0 standard.
  • a standard port group is provided, and when the USB microphone is connected to the display device through the external device interface unit, the control unit may switch the standard port group to a modified port group.
  • the production cost can be reduced.
  • long-distance speech recognition can be performed stably, without being affected by sound output from the display device.
  • FIG. 1 is a block diagram showing the configuration of a display device according to an embodiment of the present invention.
  • FIG. 2 is a block diagram of a remote control device according to an embodiment of the present invention.
  • Figure 3 shows an actual configuration example of a remote control device according to an embodiment of the present invention.
  • FIG. 4 shows an example of using a remote control device according to an embodiment of the present invention.
  • USB universal serial bus
  • FIG. 6 is a diagram illustrating a port group of a modified universal serial bus (USB) according to an embodiment of the present invention.
  • FIG. 7 is a view for explaining a fifth modified port according to an embodiment of the present invention.
  • FIG 8 and 9 are diagrams for explaining the function of the sixth modified port according to an embodiment of the present invention.
  • FIGS 10 and 11 are diagrams for explaining functions of the eighth modified port and the ninth modified port according to an embodiment of the present invention.
  • FIG. 12 is a diagram illustrating a method of determining a transmission path of an audio signal output from a display device according to a connection method between an external device equipped with a microphone and a display device according to an embodiment of the present invention.
  • the display device is, for example, an intelligent display device in which a computer support function is added to a broadcast reception function, and while being faithful to the broadcast reception function, an Internet function or the like is added, a handwritten input device, a touch screen Alternatively, a more convenient interface such as a space remote control may be provided. And, it is connected to the Internet and a computer with the support of a wired or wireless Internet function, and can perform functions such as email, web browsing, banking, or gaming. A standardized general-purpose OS can be used for these various functions.
  • the display device described in the present invention for example, on a general-purpose OS kernel, since various applications can be freely added or deleted, various user-friendly functions can be performed.
  • the display device may be more specifically, for example, a network TV, HBBTV, smart TV, LED TV, OLED TV, and the like, and is also applicable to a smartphone in some cases.
  • FIG. 1 is a block diagram showing the configuration of a display device according to an embodiment of the present invention.
  • the display device 100 includes a broadcast receiving unit 130, an external device interface unit 135, a storage unit 140, a user input interface unit 150, a control unit 170, and a wireless communication unit 173. , A display unit 180, an audio output unit 185, and a power supply unit 190.
  • the broadcast reception unit 130 may include a tuner 131, a demodulation unit 132, and a network interface unit 133.
  • the tuner 131 may select a specific broadcast channel according to a channel selection command.
  • the tuner 131 may receive a broadcast signal for a selected specific broadcast channel.
  • the demodulator 132 may separate the received broadcast signal into a video signal, an audio signal, and a data signal related to a broadcast program, and restore the separated video signal, audio signal, and data signal to a form capable of output.
  • the external device interface unit 135 may receive an application or a list of applications in an adjacent external device and transmit it to the control unit 170 or the storage unit 140.
  • the external device interface unit 135 may provide a connection path between the display device 100 and the external device.
  • the external device interface unit 135 may receive one or more of video and audio output from an external device connected to the display device 100 wirelessly or wiredly, and transmit them to the control unit 170.
  • the external device interface unit 135 may include a plurality of external input terminals.
  • the plurality of external input terminals may include an RGB terminal, one or more High Definition Multimedia Interface (HDMI) terminals, and a component terminal.
  • HDMI High Definition Multimedia Interface
  • the image signal of the external device input through the external device interface unit 135 may be output through the display unit 180.
  • the audio signal of the external device input through the external device interface unit 135 may be output through the audio output unit 185.
  • the network interface unit 133 may provide an interface for connecting the display device 100 to a wired/wireless network including an Internet network.
  • the network interface unit 133 may transmit or receive data with other users or other electronic devices through a connected network or another network linked to the connected network.
  • some content data stored in the display device 100 may be transmitted to a selected user or a selected electronic device among other users or other electronic devices registered in advance in the display device 100.
  • the network interface unit 133 may access a predetermined web page through a connected network or another network linked to the connected network. That is, it is possible to connect to a predetermined web page through a network, and transmit or receive data with the corresponding server.
  • the network interface unit 133 may receive content or data provided by a content provider or a network operator. That is, the network interface unit 133 may receive content such as a movie, advertisement, game, VOD, broadcast signal, and related information provided by a content provider or a network provider through a network.
  • the network interface unit 133 may receive update information and update files of firmware provided by the network operator, and may transmit data to the Internet or a content provider or a network operator.
  • the network interface unit 133 may select and receive a desired application from among applications that are open to the public through a network.
  • the storage unit 140 may store a program for processing and controlling each signal in the control unit 170 and store a signal-processed image, audio, or data signal.
  • the storage unit 140 may perform a function for temporarily storing an image, audio, or data signal input from the external device interface unit 135 or the network interface unit 133, and is predetermined through a channel memory function. You can also store information about the image.
  • the storage unit 140 may store an application or a list of applications input from the external device interface unit 135 or the network interface unit 133.
  • the display device 100 may play and provide content files (video files, still image files, music files, document files, application files, etc.) stored in the storage unit 140 to the user.
  • content files video files, still image files, music files, document files, application files, etc.
  • the user input interface unit 150 may transmit a signal input by the user to the control unit 170 or a signal from the control unit 170 to the user.
  • the user input interface unit 150 may be in accordance with various communication methods, such as Bluetooth, WB (Ultra Wideband), ZigBee, RF (Radio Frequency) communication, or infrared (IR) communication,
  • a control signal such as power on/off, channel selection, screen setting, and the like may be received from the remote control device 200, or may be processed to transmit a control signal from the control unit 170 to the remote control device 200.
  • the user input interface unit 150 may transmit a control signal input from a local key (not shown) such as a power key, a channel key, a volume key, and a set value to the control unit 170.
  • a local key such as a power key, a channel key, a volume key, and a set value
  • the image signal processed by the controller 170 may be input to the display unit 180 and displayed as an image corresponding to the corresponding image signal. Also, the image signal processed by the control unit 170 may be input to the external output device through the external device interface unit 135.
  • the audio signal processed by the control unit 170 may be audio output to the audio output unit 185. Also, the audio signal processed by the control unit 170 may be input to the external output device through the external device interface unit 135.
  • control unit 170 may control the overall operation in the display device 100.
  • control unit 170 may control the display device 100 by a user command input through the user input interface unit 150 or an internal program, and access the network to display a list of applications or applications desired by the user. You can make it downloadable within (100).
  • the control unit 170 allows the channel information or the like selected by the user to be output through the display unit 180 or the audio output unit 185 together with the processed image or audio signal.
  • control unit 170 according to the external device image playback command received through the user input interface unit 150, from an external device input through the external device interface unit 135, for example, a camera or a camcorder,
  • the video signal or the audio signal can be output through the display unit 180 or the audio output unit 185.
  • control unit 170 may control the display unit 180 to display an image, for example, a broadcast image input through the tuner 131, or an external input input through the external device interface unit 135
  • the image or an image input through the network interface unit or an image stored in the storage unit 140 may be controlled to be displayed on the display unit 180.
  • the image displayed on the display unit 180 may be a still image or a video, and may be a 2D image or a 3D image.
  • control unit 170 may control the content stored in the display device 100 or the received broadcast content or external input content input from the outside to be played, and the content may include a broadcast video, an external input video, and an audio file. , Still images, connected web screens, and document files.
  • the wireless communication unit 173 may communicate with external devices through wired or wireless communication.
  • the wireless communication unit 173 may perform short range communication with an external device.
  • the wireless communication unit 173 is Bluetooth (BluetoothTM), Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, Near Field Communication (NFC), Wi-Fi By using at least one of (Wireless-Fidelity), Wi-Fi Direct, and Wireless USB (Wireless Universal Serial Bus) technology, short-range communication can be supported.
  • the wireless communication unit 173 may be provided between the display device 100 and the wireless communication system, between the display device 100 and another display device 100, or through the display device 100 through wireless area networks.
  • a wireless communication between networks in which the display device 100 or an external server is located may be supported.
  • the wireless local area network may be wireless personal area networks.
  • the other display device 100 is a wearable device capable of exchanging data with the display device 100 according to the present invention (or interoperable), for example, a smart watch, a smart watch, and smart glasses (smart glass), HMD (head mounted display), can be a mobile terminal such as a smart phone.
  • the wireless communication unit 173 may detect (or recognize) a wearable device capable of communication around the display apparatus 100.
  • the control unit 170 may transmit at least a portion of data processed by the display apparatus 100 to the wireless communication unit 173. It can be transmitted to the wearable device. Therefore, a user of the wearable device can use data processed by the display device 100 through the wearable device.
  • the display unit 180 converts the image signal, data signal, OSD signal, or image signal received from the external device interface unit 135 processed by the control unit 170 into R, G, and B signals, and then drives them. You can generate a signal.
  • the display device 100 illustrated in FIG. 1 is only an embodiment of the present invention. Some of the illustrated components may be integrated, added, or omitted depending on the specifications of the display device 100 that is actually implemented.
  • two or more components may be combined into one component, or one component may be divided into two or more components.
  • the function performed in each block is for explaining an embodiment of the present invention, the specific operation or device does not limit the scope of the present invention.
  • the network interface unit 133 or the external device interface unit ( 135) to receive and reproduce the video.
  • the operation method of the display device according to the embodiment of the present invention will be described below, as well as the display device 100 as described with reference to FIG. 1, the image processing device or display unit such as the separated set-top box ( 180) and an audio output unit 185.
  • FIG. 2 is a block diagram of a remote control device according to an embodiment of the present invention
  • FIG. 3 shows an actual configuration example of a remote control device 200 according to an embodiment of the present invention.
  • the remote control device 200 includes a fingerprint recognition unit 210, a wireless communication unit 220, a user input unit 230, a sensor unit 240, an output unit 250, and a power supply unit 260. ), a storage unit 270, a control unit 280, and a voice acquisition unit 290.
  • the wireless communication unit 225 transmits and receives a signal to any one of the display devices according to the embodiments of the present invention described above.
  • the remote control device 200 transmits a signal including information on the movement of the remote control device 200 to the display device 100 through the wireless communication unit 220.
  • the user input unit 230 may include a keypad, a button, a touch pad, or a touch screen.
  • the user may input a command related to the display device 100 to the remote control device 200 by operating the user input unit 230.
  • the user input unit 230 includes a hard key button, the user may input a command related to the display device 100 to the remote control device 200 through a push operation of the hard key button. This will be described with reference to FIG. 3.
  • the remote control device 200 may include a plurality of buttons.
  • the plurality of buttons are fingerprint recognition button 212, power button 231, home button 232, live button 233, external input button 234, volume control button 235, voice recognition button 236, It may include a channel change button 237, a confirmation button 238 and a back button 239.
  • the fingerprint recognition button 212 may be a button for recognizing a user's fingerprint. In one embodiment, the fingerprint recognition button 212 may perform a push operation, and may receive a push operation and a fingerprint recognition operation.
  • the power button 231 may be a button for turning on/off the power of the display device 100.
  • the home button 232 may be a button for moving to the home screen of the display device 100.
  • the live button 233 may be a button for displaying a real-time broadcast program.
  • the external input button 234 may be a button for receiving an external input connected to the display device 100.
  • the volume control button 235 may be a button for adjusting the volume of the volume output by the display device 100.
  • the voice recognition button 236 may be a button for receiving a user's voice and recognizing the received voice.
  • the channel change button 237 may be a button for receiving a broadcast signal of a specific broadcast channel.
  • the confirmation button 238 may be a button for selecting a specific function, and the back button 239 may be a button for returning to a previous screen.
  • the user input unit 230 When the user input unit 230 includes a touch screen, the user may input a command related to the display device 100 to the remote control device 200 by touching a soft key of the touch screen.
  • the user input unit 230 may include various types of input means that can be operated by a user, such as a scroll key or a jog key, and this embodiment does not limit the scope of the present invention.
  • the sensor unit 240 may include a gyro sensor 241 or an acceleration sensor 243, and the gyro sensor 241 may sense information on the movement of the remote control device 200.
  • the gyro sensor 241 may sense information on the operation of the remote control device 200 based on the x, y, and z axes, and the acceleration sensor 243 may move the speed of the remote control device 200. Information about the back can be sensed.
  • the remote control device 200 may further include a distance measurement sensor, and sense a distance from the display unit 180 of the display device 100.
  • the output unit 250 may output an image or audio signal corresponding to the operation of the user input unit 235 or a signal transmitted from the display device 100. The user may recognize whether the user input unit 235 is operated or whether the display device 100 is controlled through the output unit 250.
  • the output unit 250 includes a LED module 251 that lights when the user input unit 235 is operated or a signal is transmitted and received through the wireless communication unit 225, and a vibration module generating vibration ( 253), an audio output module 255 for outputting sound, or a display module 257 for outputting an image.
  • the power supply unit 260 supplies power to the remote control device 200, and when the remote control device 200 has not been moved for a predetermined time, power supply is stopped to reduce power waste.
  • the power supply unit 260 may resume power supply when a predetermined key provided in the remote control device 200 is operated.
  • the storage unit 270 may store various types of programs and application data required for control or operation of the remote control device 200. If the remote control device 200 transmits and receives signals wirelessly through the display device 100 and the RF module 221, the remote control device 200 and the display device 100 transmit and receive signals through a predetermined frequency band. .
  • the control unit 280 of the remote control device 200 stores and references information on a frequency band capable of wirelessly transmitting and receiving signals to and from the display device 100 paired with the remote control device 200 in the storage unit 270 for reference. can do.
  • the control unit 280 controls all matters related to the control of the remote control device 200.
  • the control unit 280 may display a signal corresponding to a predetermined key manipulation of the user input unit 235 or a signal corresponding to the movement of the remote control device 200 sensed by the sensor unit 240 through the wireless communication unit 225 ( 100).
  • the voice acquisition unit 290 of the remote control device 200 may acquire voice.
  • the voice acquisition unit 290 may include at least one microphone 291, and may acquire voice through the microphone 291.
  • FIG. 4 will be described.
  • FIG. 4 shows an example of using a remote control device according to an embodiment of the present invention.
  • FIG. 4A illustrates that a pointer 205 corresponding to the remote control device 200 is displayed on the display unit 180.
  • the user may move or rotate the remote control device 200 up, down, left, and right.
  • the pointer 205 displayed on the display unit 180 of the display device 100 corresponds to the movement of the remote control device 200.
  • the remote control device 200 may be referred to as a spatial remote controller because the corresponding pointer 205 is moved and displayed according to the movement on the 3D space, as shown in the drawing.
  • FIG. 4B illustrates that when the user moves the remote control device 200 to the left, the pointer 205 displayed on the display unit 180 of the display device 100 also moves to the left correspondingly.
  • the display device 100 may calculate the coordinates of the pointer 205 from information related to the movement of the remote control device 200.
  • the display device 100 may display the pointer 205 to correspond to the calculated coordinates.
  • FIG. 4C illustrates a case in which a user moves the remote control device 200 away from the display unit 180 while pressing a specific button in the remote control device 200. Accordingly, the selected area in the display unit 180 corresponding to the pointer 205 may be zoomed in and displayed enlarged.
  • the selected area in the display unit 180 corresponding to the pointer 205 may be zoomed out and reduced.
  • the selection area is zoomed out, and when the remote control device 200 approaches the display unit 180, the selection area may be zoomed in.
  • recognition of up, down, left and right movements may be excluded while a specific button in the remote control device 200 is pressed. That is, when the remote control device 200 moves to move away from or approach the display unit 180, the up, down, left, and right movements are not recognized, and only the forward and backward movements can be recognized. When a specific button in the remote control device 200 is not pressed, only the pointer 205 moves according to the up, down, left, and right movements of the remote control device 200.
  • the moving speed or the moving direction of the pointer 205 may correspond to the moving speed or the moving direction of the remote control device 200.
  • the pointer in the present specification means an object displayed on the display unit 180 in response to the operation of the remote control device 200. Therefore, objects of various shapes are possible with the pointer 205 in addition to the arrow shape shown in the drawing. For example, it may be a concept including points, cursors, prompts, and thick outlines. In addition, the pointer 205 may be displayed corresponding to any one point of the horizontal axis and the vertical axis on the display unit 180, as well as a plurality of points such as a line and a surface. Do.
  • USB universal serial bus
  • a standard port group 500 of the USB 3.0 standard is shown.
  • the USB 3.0 standard port group 500 includes first to ninth standard ports 501 to 509.
  • Each of the first standard port 501 and the fourth standard port 504 is a port for power.
  • the first standard port 501 is a power port for power supply
  • the fourth standard port 504 is a ground port for power return.
  • Each of the second standard port 502 and the third standard port 503 is a port for general data transmission.
  • the second standard port 502 and the third standard port 503 are pair ports for general transmission of data used in the USB 2.0 standard.
  • the fifth standard port 505 and the sixth standard port 506 are pair ports for high-speed reception of data (or signals).
  • the seventh standard port 507 is a ground port for returning data.
  • the eighth standard port 508 and the ninth standard port 509 are pair ports for high-speed transmission of data.
  • FIG. 6 is a diagram illustrating a port group of a modified universal serial bus (USB) according to an embodiment of the present invention.
  • FIG. 6 a modified USB port group 600 according to an embodiment of the present invention is illustrated.
  • the modified USB port group 600 according to the embodiment of FIG. 6 may be provided in the display device 100.
  • the modified USB port group 600 may be a group for connection with an external device, for example, a USB microphone. To this end, the USB microphone may also be equipped with a modified USB port group 600.
  • the modified USB port group 600 may be ports for use by transforming some of the ports of the standard port group 500 shown in FIG. 5 into functions specific to the microphone.
  • the modified USB port group 600 may include first to ninth modified ports 601 to 609.
  • Each of the first modified port 601 and the fourth port 604 is a port for power.
  • the first modified port 601 is a power port for power supply, and the fourth port 504 is a ground port for power return.
  • Each of the second modification port 602 and the third modification port 603 is a general data port for general data transmission.
  • the port for general data transmission may be a port for data transmission under the USB 2.0 standard. That is, each of the second modified port 602 and the third modified port 603 may be a port used when transmitting low-speed data that does not require high-speed transmission.
  • the fifth to ninth modified ports 605 to 609 may be ports modified to operate with the same function as the microphone. This is because a request for high-speed transmission is not required for the transmission of an audio signal.
  • the fifth modified port 605 may be a port for output of a general purpose input/output (GPIO) port.
  • the fifth modified port 605 may be referred to as a GPIO port.
  • the USB microphone can receive voice spoken words spoken by the user.
  • the USB microphone may output a high signal through the fifth modification port 605 when the voice trigger word is received.
  • the output high signal may be a signal for turning on the power of the display apparatus 100 by receiving the spoken word.
  • the control unit 170 of the display device 100 may receive a high signal from the USB microphone through the fifth modification port 605 and may determine that a voice trigger word is detected according to the received high signal.
  • the control unit 170 of the display device 100 may turn on the power of the display device 100 as it detects that a voice-activated word is received.
  • the sixth modified port 606 is a reserve port, to switch the modified USB port group 600 to the existing standard port group 500 or the standard port group 500 to the modified USB port group 600. It can be the port used.
  • the sixth modification port 606 may be referred to as a reserve port.
  • the seventh modified port 607 is a ground port for returning data.
  • the eighth modification port 608 and the ninth modification port 609 are ports used for echo cancellation.
  • the eighth modified port 608 may be referred to as a left acoustic port, and the ninth modified port 609 may be named a right acoustic port, respectively.
  • FIG. 7 is a view for explaining a fifth modified port according to an embodiment of the present invention.
  • a board 700 embedded in the display device 100 is illustrated.
  • the board 700 may be equipped with a chip such as the control unit 170.
  • the control unit 170 may include a microcomputer 720 and a main processor 730.
  • the board 700 may include a connection terminal 710 for connection with the USB microphone 800.
  • the connection terminal 710 may be included in the external device interface unit 135 shown in FIG. 1.
  • connection terminal 710 may be implemented with a modified port group 600, illustrated in FIG. 6.
  • the USB microphone 800 may receive a spoken word spoken by the user. To this end, the USB microphone 800 may include a microphone.
  • a GPIO high signal may be output through the fifth modified port 605.
  • the GPIO high signal may be an output signal when + voltage is sensed.
  • the main processor 730 may turn on the power of the display device 100 according to a wake-up signal.
  • FIG 8 and 9 are diagrams for explaining the function of the sixth modified port according to an embodiment of the present invention.
  • the sixth modified port 606 may be a port used to switch the modified port group 600 of the connection terminal 710 to the standard port group 500.
  • One USB 3.0 connection terminal 710 is generally provided in the display device 100.
  • USB memory having a standard port group 500 is connected, if the modified port group 600 is used as the connection terminal 710, there is a problem that the USB memory cannot be used. have.
  • the control unit 170 may transmit an identification signal through the sixth modification port 606 of the connection terminal 710.
  • the identification signal may be a signal for identifying whether an external device connected to the connection terminal 710 is a USB microphone or not.
  • the USB microphone 800 may output a response signal in response to the identification signal.
  • the output response signal may be transmitted to the control unit 170 through the connection terminal 710.
  • the response signal may be a signal indicating that it is a USB microphone.
  • control unit 170 may determine that the USB microphone 800 is connected to the connection terminal 710.
  • the controller 170 determines that another external device supporting USB 3.0 standard specification is connected to the connection terminal 710 when no response signal is received for a certain period of time. can do.
  • the controller 170 may switch the modified port group 600 of the connection terminal 710 to the standard port group 500.
  • control unit 170 may switch the ports of the connection terminal 710 to ports conforming to the original USB 3.0 standard. have.
  • control unit 170, the fifth modified port 605 to the fifth standard port 505, the sixth modified port 606 to the sixth standard port 506, the eighth modified port 608 Can be switched to the eighth standard port 508 and the ninth modified port 609 to the ninth standard port 509.
  • the display device 100 may perform data transmission and reception with the connected external device even when an external device other than the USB microphone 800 is connected.
  • control unit 170 may switch the standard port group 500 to the modified port group 600 when the USB microphone 800 is connected to the display device 100. .
  • connection terminal 710 of the display device 100 is usually set as a standard port group 500, and when the USB microphone 800 is connected, the standard port group 500 is a modified port group 600. Can be switched.
  • the control unit 170 uses the fifth standard port 505 as the fifth modified port 605 and the sixth standard port 506 as the sixth. It is possible to switch to the modified port 606, the eighth standard port 508 to the eighth modified port 608, and the ninth standard port 509 to the ninth modified port 609.
  • connection terminal 710 is set to the standard port group 500
  • control unit 170 in response to the identification signal, the standard port group 500 is modified as the response signal is received through the USB microphone It is possible to switch to the port group 600.
  • the control unit 170 may switch the modified port group 600 to the standard port group 500 when the response signal is not received for a predetermined time in response to the identification signal.
  • FIGS 10 and 11 are diagrams for explaining functions of the eighth modified port and the ninth modified port according to an embodiment of the present invention.
  • the board 700 may further include an amplifier 750.
  • the amplifier 750 may amplify and output an acoustic signal output from the speaker of the display device 100.
  • the left acoustic signal output to the amplifier 750 may be output to the eighth modified port 608 of the USB microphone 800 through the eighth modified port 608 provided in the connection terminal 710.
  • the right acoustic signal output to the amplifier 750 may be output to the ninth modified port 609 of the USB microphone 800 through the ninth modified port 609 provided in the connection terminal 710.
  • the eighth modification port 608 and the ninth modification port 609 may be used as transmission paths of the left and right sound signals output from the speaker of the display device 100.
  • the USB microphone 800 may remove echo from an acoustic signal received from the display device 100.
  • the reason for removing the echo is to remove an effect that may affect the transmission of the voice signal of the user input to the USB microphone 800.
  • the display device 100 may include 4 channels of speakers or 4.2 channels of speakers.
  • the eighth modified port 608 and the ninth modified port 609 may be used to transmit the sound signal output from each speaker.
  • the case where the display device 100 is provided with four channels of speakers will be described as an example.
  • the board 700 of the display device 100 may include a first amplifier 751, a second amplifier 753 and a mux 755.
  • the first amplifier 751 may amplify the left acoustic signals output from the two left speakers.
  • the second amplifier 753 may amplify the right acoustic signals output from the two right speakers.
  • the MUX 755 may output the selected acoustic signal among the left and right acoustic signals to the eighth modification port 608 or the ninth modification port 609 through the connection terminal 710.
  • the USB microphone 800 may remove echo from an acoustic signal output through the connection terminal 710 to the eighth modification port 608 or the ninth modification port 609.
  • an external device for recognizing a user's voice may be used in the vicinity of the user, not near the display device 100.
  • the external device may be connected to the display device 100 using a short-range wireless communication standard.
  • the acoustic signal output from the display device 100 may affect remote speech recognition.
  • the display device 100 and the external device are connected only with a low power Bluetooth (Bluetooth Low Energy, BLE) standard
  • the display device 100 may transmit the sound signal output from the speaker to the external device using the BLE standard.
  • BLE Bluetooth Low Energy
  • the display device 100 may transmit an audio signal to the external device through the modified port group 600 described in FIG. 6.
  • the display device 100 may transmit an acoustic signal to the external device through the modified port group 600 described in FIG. 6. This is because, in the case of the USB 3.0 standard, since it is connected through a wire, data transmission is more stable than wireless.
  • the above-described method it is possible to implement the above-described method as code readable by a processor on a medium on which a program is recorded.
  • Examples of the medium readable by the processor include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like, and implemented in the form of a carrier wave (for example, transmission through the Internet). Includes.
  • the display device described above is not limited to the configuration and method of the above-described embodiments, and the above embodiments may be configured by selectively combining all or part of each embodiment so that various modifications can be made. It might be.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Software Systems (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

la présente invention concerne, selon un mode de réalisation, un dispositif d'affichage comprenant : une unité d'interface de dispositif externe afin de transmettre/recevoir des données vers/depuis un microphone USB ayant un microphone ; et une unité de commande, l'unité d'interface de dispositif externe disposant d'un groupe de ports standard prenant en charge la norme USB 3.0, et l'unité de commande pouvant commuter le groupe de ports standard vers un groupe de ports modifié lorsque le microphone USB est connecté au dispositif d'affichage par l'intermédiaire de l'unité d'interface de dispositif externe.
PCT/KR2018/015723 2018-12-11 2018-12-11 Dispositif d'affichage WO2020122274A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2018/015723 WO2020122274A1 (fr) 2018-12-11 2018-12-11 Dispositif d'affichage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2018/015723 WO2020122274A1 (fr) 2018-12-11 2018-12-11 Dispositif d'affichage

Publications (1)

Publication Number Publication Date
WO2020122274A1 true WO2020122274A1 (fr) 2020-06-18

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WO (1) WO2020122274A1 (fr)

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CN112104913A (zh) * 2020-09-11 2020-12-18 腾讯科技（深圳）有限公司 连麦切换方法、装置、计算机设备及存储介质

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KR20140022320A (ko) * 2012-08-14 2014-02-24 엘지전자 주식회사 영상표시장치와 서버의 동작 방법
KR20170058664A (ko) * 2015-11-19 2017-05-29 현대자동차주식회사 음성 인식 모듈, 그를 가지는 단말기 및 차량
JP2018529110A (ja) * 2016-07-07 2018-10-04 北京小米移動軟件有限公司Ｂｅｉｊｉｎｇ Ｘｉａｏｍｉ Ｍｏｂｉｌｅ Ｓｏｆｔｗａｒｅ Ｃｏ．，Ｌｔｄ． オーディオ再生システム、外部拡張装置、オーディオ再生方法、装置、プログラム、及び記録媒体

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KR20070082302A (ko) * 2006-02-16 2007-08-21 주식회사 텔레칩스 Ｕｓｂ/ｕａｒｔ 공용 통신시스템
KR20090132097A (ko) * 2008-06-20 2009-12-30 주식회사 케이티테크 Ｇｐｉｏ를 이용한 이어폰 마이크의 전력 공급 방법 및이를 적용한 휴대용 단말기
KR20140022320A (ko) * 2012-08-14 2014-02-24 엘지전자 주식회사 영상표시장치와 서버의 동작 방법
KR20170058664A (ko) * 2015-11-19 2017-05-29 현대자동차주식회사 음성 인식 모듈, 그를 가지는 단말기 및 차량
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112104913A (zh) * 2020-09-11 2020-12-18 腾讯科技（深圳）有限公司 连麦切换方法、装置、计算机设备及存储介质
CN112104913B (zh) * 2020-09-11 2023-09-26 腾讯科技（深圳）有限公司 连麦切换方法、装置、计算机设备及存储介质

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