WO2021029447A1 - 디스플레이 장치 및 그의 동작 방법 - Google Patents
디스플레이 장치 및 그의 동작 방법 Download PDFInfo
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- WO2021029447A1 WO2021029447A1 PCT/KR2019/010088 KR2019010088W WO2021029447A1 WO 2021029447 A1 WO2021029447 A1 WO 2021029447A1 KR 2019010088 W KR2019010088 W KR 2019010088W WO 2021029447 A1 WO2021029447 A1 WO 2021029447A1
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- Prior art keywords
- display device
- external
- speaker
- unit
- control unit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers
- H04R3/12—Circuits for transducers for distributing signals to two or more loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/006—Systems employing more than two channels, e.g. quadraphonic in which a plurality of audio signals are transformed in a combination of audio signals and modulated signals, e.g. CD-4 systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- 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
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
- H04N5/642—Disposition of sound reproducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
- H04R2205/024—Positioning of loudspeaker enclosures for spatial sound reproduction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/07—Applications of wireless loudspeakers or wireless microphones
Definitions
- the present invention relates to a display device and a method of operating the same, and more particularly, to a display device to which a plurality of external speakers are connected and a method of operating the same.
- video/sound source playback devices such as TVs, smartphones, and tablets can be connected with a number of external speakers and Bluetooth. Accordingly, various technologies are provided so that users can listen to multi-channel sounds.
- An object of the present invention is to provide a display device that automatically configures an appropriate audio channel at each position of a plurality of external speakers when a plurality of external speakers are connected, and an operating method thereof.
- An object of the present invention is to provide a display device that automatically configures multi-audio channels in consideration of the types and installation environments of each of a plurality of external speakers, and an operating method thereof.
- a display unit an audio output unit that outputs sound, a wireless communication unit connected to a plurality of external speakers, and a plurality of external speakers are set, and a plurality of roles are set according to the set roles. It may include a control unit for transmitting an audio signal to each of the external speakers.
- the controller may set the roles of each of the plurality of external speakers based on at least one of a location, sound pressure, and a reproduction band of each of the plurality of external speakers.
- the controller may set roles of each of the plurality of external speakers based on distance information between the display device and the external speaker and direction information of the external speaker.
- the controller may obtain the Bluetooth signal strength of each of the plurality of external speakers, and obtain distance information between the display device and the external speaker based on the Bluetooth signal strength.
- the control unit may acquire direction information of an external speaker using at least one of Angle of Arrival (AOA) and Angle of Departure (AOD).
- AOA Angle of Arrival
- AOD Angle of Departure
- the display device further includes a user input interface unit for receiving a signal from the remote control device, and the control unit may detect the location of the remote control device and recognize the location of the remote control device as a viewing position of the user.
- the controller may obtain location information of each of the plurality of external speakers, and recognize an average location of the plurality of location information corresponding to the plurality of external speakers as a viewing location of the user.
- the controller may obtain the user's viewing position and correct audio signals transmitted to each of the plurality of external speakers based on the user's viewing position.
- the control unit may determine the type of the multi-channel based on at least one of the number of a plurality of external speakers connected through the wireless communication unit and a reproduction band.
- the controller may set an audio channel to each of the plurality of external speakers according to the type of the multi-channel.
- the control unit may upmix the input audio signal according to the type of multi-channel.
- the control unit can determine the type of multi-channel to one of 3.1ch, 5.1ch, 5.1.2ch, 7.1.4ch, 9.1.2ch, 9.1.4ch, 11.1ch and 22.2ch.
- the control unit may control the display unit to display a guide guiding the speaker arrangement according to the determined multi-channel type.
- the control unit may control the display unit to display a guide including at least one of a current position, a recommended speaker position, and a position change guide icon of each of the plurality of external speakers.
- the controller may acquire a reproduction band of each of the plurality of speakers by recognizing the test sound output from the plurality of external speakers.
- an audio channel of each of a plurality of external speakers is automatically set, so that an optimal multi-channel stereophonic sound system is easily implemented.
- FIG. 1 is a block diagram illustrating a 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.
- FIG. 3 shows an example of an actual configuration 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.
- FIG. 5 is a block diagram illustrating a method of transmitting an audio signal according to a role of a speaker by a display device according to an embodiment of the present invention.
- FIG. 6 is a flowchart illustrating a method of operating a display device according to an exemplary embodiment of the present invention.
- FIG. 7 is a diagram illustrating a method of obtaining direction information of an external speaker by a display device according to an exemplary embodiment of the present invention.
- FIG. 8 is an exemplary diagram illustrating a method of obtaining at least one of a sound pressure and a reproduction band of an external speaker by a display device according to an exemplary embodiment of the present invention.
- 9A to 9C are exemplary diagrams for explaining data for each type of multi-channel stored in a display device according to an exemplary embodiment of the present invention.
- FIG 10 is an exemplary diagram of a guide displayed by the display device according to the first embodiment of the present invention.
- FIG. 11 is an exemplary diagram of a guide displayed by a display device according to a second embodiment of the present invention.
- FIG. 12 is an exemplary diagram of a guide displayed by a display device according to a third embodiment of the present invention.
- FIG. 13 is an exemplary diagram of a guide displayed by a display device according to a fourth embodiment of the present invention.
- FIG. 14 is a diagram for describing a method of correcting an audio signal by a display device according to an exemplary embodiment of the present invention.
- FIG. 1 is a block diagram illustrating a 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 voice acquisition unit 175, a display unit 180, an audio output unit 185, and a power supply unit 190 may be included.
- 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 divide 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 into a form capable of outputting.
- 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.
- 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, by accessing a predetermined web page through a network, the server and data can be transmitted or received.
- 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 movies, advertisements, games, VODs, broadcast signals, and related information provided from a content provider or a network provider through a network.
- the network interface unit 133 may receive update information and an update file of firmware provided by a network operator, and transmit data to the Internet or content provider or network operator.
- the network interface unit 133 may select and receive a desired application from among applications open to the public through a network.
- the external device interface unit 135 may receive an application or an application list 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 an image and audio output from an external device connected to the display device 100 by wire or wirelessly, and transmit it 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 HDMI (High Definition Multimedia Interface) terminals, and a component terminal.
- An image signal of an 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 external device connectable to the external device interface unit 135 may be any one of a set-top box, a Blu-ray player, a DVD player, a game console, a sound bar, a smartphone, a PC, a USB memory, and a home theater, but this is only an example. .
- some content data stored in the display apparatus 100 may be transmitted to another user registered in advance in the display apparatus 100 or a selected user or a selected electronic device among other electronic devices.
- the storage unit 140 may store a program for processing and controlling each signal in the control unit 170 and may store signal-processed video, audio, or data signals.
- the storage unit 140 may perform a function for temporary storage of a video, audio, or data signal input from the external device interface unit 135 or the network interface unit 133. You can also store information about the image.
- the storage unit 140 may store an application or an application list input from the external device interface unit 135 or the network interface unit 133.
- the display device 100 may reproduce and provide a content file (movie file, still image file, music file, document file, application file, etc.) stored in the storage unit 140 to a user.
- a content file moving file, still image file, music file, document file, application file, etc.
- the user input interface unit 150 may transmit a signal input by the user to the controller 170 or may transmit a signal from the controller 170 to the user.
- the user input interface unit 150 may be configured according to various communication methods such as Bluetooth, Ultra Wideband (WB), ZigBee method, Radio Frequency (RF) communication method, or infrared (IR) communication method, Control signals such as power on/off, channel selection, and screen setting may be received and processed from the remote control device 200, or a control signal from the control unit 170 may be transmitted 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 controller 170 may be input to an external output device through the external device interface unit 135.
- the audio signal processed by the controller 170 may be audio output to the audio output unit 185.
- the voice signal processed by the control unit 170 may be input to an external output device through the external device interface unit 135.
- controller 170 may control the overall operation of the display apparatus 100.
- control unit 170 may control the display device 100 by a user command or an internal program input through the user input interface unit 150, and access the network to display an application or application list desired by the user. It can be downloaded within (100).
- the control unit 170 enables channel information 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 in accordance with 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, An image signal or an audio signal may 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
- An image, 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 moving image, and may be a 2D image or a 3D image.
- control unit 170 may control content stored in the display device 100, received broadcast content, or external input content input from the outside to be played, and the content includes a broadcast image, an external input image, an audio file, and a stop. It may be in various forms such as an image, a connected web screen, and a document file.
- the wireless communication unit 173 may communicate with an external device through wired or wireless communication.
- the wireless communication unit 173 may perform short range communication with an external device.
- the wireless communication unit 173 includes BluetoothTM, Bluetooth Low Energy (BLE), Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, and NFC (Near NFC). Field Communication), Wi-Fi (Wireless-Fidelity), Wi-Fi Direct, and Wireless Universal Serial Bus (USB) technologies may be used to support short-range communication.
- the wireless communication unit 173 may be configured between the display device 100 and a wireless communication system, between the display device 100 and another display device 100, or between the display device 100 and the display device 100 through wireless area networks. Wireless communication between networks in which the display device 100 or an external server is located may be supported.
- the local area wireless communication networks may be wireless personal area networks (Wireless Personal Area Networks).
- the other display device 100 is a wearable device capable of exchanging (or interlocking with) data with the display device 100 according to the present invention, for example, a smartwatch, smart glasses. (smart glass), HMD (head mounted display)), it can be a mobile terminal such as a smart phone.
- the wireless communication unit 173 may detect (or recognize) a wearable device capable of communicating around the display apparatus 100. Further, when the sensed wearable device is an authenticated device to communicate with the display apparatus 100 according to the present invention, the controller 170 transmits at least a portion of the data processed by the display apparatus 100 to the wireless communication unit ( 173) can be transmitted to the wearable device. Accordingly, a user of the wearable device may use data processed by the display apparatus 100 through the wearable device.
- the voice acquisition unit 175 may acquire audio.
- the voice acquisition unit 175 may include at least one microphone (not shown), and may acquire audio around the display apparatus 100 through a microphone (not shown).
- the display unit 180 converts an image signal, a data signal, an OSD signal processed by the control unit 170, or an image signal and a data signal received from the external device interface unit 135 into R, G, and B signals, respectively. Can generate signals.
- the display device 100 shown in FIG. 1 is only an embodiment of the present invention. Some of the illustrated components may be integrated, added, or omitted according to the specifications of the display device 100 that is actually implemented.
- two or more components may be combined into a single component, or one component may be subdivided into two or more components and configured.
- functions performed by each block are for explaining an embodiment of the present invention, and specific operations or devices thereof do not limit the scope of the present invention.
- the display apparatus 100 does not include a tuner 131 and a demodulation unit 132, but a network interface unit 133 or an external device interface unit ( 135) can also be received and played.
- the display device 100 is implemented by being divided into an image processing device such as a set-top box for receiving broadcast signals or contents according to various network services, and a content reproducing device for reproducing content input from the image processing device. Can be.
- an image processing device such as a set-top box for receiving broadcast signals or contents according to various network services
- a content reproducing device for reproducing content input from the image processing device. Can be.
- the method of operating the display device according to an embodiment of the present invention to be described below is not only the display device 100 as described with reference to FIG. 1, but also an image processing device or display unit 180 such as a separate set-top box. ) And the audio output unit 185 may be performed by any one of a content playback device.
- the audio output unit 185 receives a signal processed by the control unit 170 and outputs a sound as sound.
- the power supply unit 190 supplies corresponding power to the entire display apparatus 100.
- power is supplied to the control unit 170 that can be implemented in the form of a System On Chip (SOC), the display unit 180 for image display, and the audio output unit 185 for audio output. I can.
- SOC System On Chip
- the power supply unit 190 may include a converter that converts AC power into DC power and a dc/dc converter that converts the level of DC power.
- FIG. 2 is a block diagram of a remote control device according to an embodiment of the present invention
- FIG. 3 is a block diagram showing an example of an actual configuration of a remote control device 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 220 transmits and receives signals to and from any one of the display devices according to the exemplary embodiments described above.
- the remote control device 200 includes an RF module 221 capable of transmitting and receiving signals with the display device 100 according to the RF communication standard, and capable of transmitting and receiving signals with the display device 100 according to the IR communication standard.
- An IR module 223 may be provided.
- the remote control device 200 may include a Bluetooth module 225 capable of transmitting and receiving signals to and from the display device 100 according to the Bluetooth communication standard.
- the remote control device 200 includes an NFC module 227 capable of transmitting and receiving signals with the display device 100 according to the NFC (Near Field Communication) communication standard, and the display according to the WLAN (Wireless LAN) communication standard.
- a WLAN module 229 capable of transmitting and receiving signals to and from the device 100 may be provided.
- the remote control device 200 transmits a signal containing information about the movement of the remote control device 200 to the display device 100 through the wireless communication unit 220.
- the remote control device 200 may receive a signal transmitted from the display device 100 through the RF module 221, and power on/off the display device 100 through the IR module 223 as necessary. Commands for off, channel change, volume change, etc. can be transmitted.
- the user input unit 230 may be composed of a keypad, a button, a touch pad, or a touch screen. A user may input a command related to the display device 100 to the remote control device 200 by manipulating 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 include a fingerprint recognition button 212, a power button 231, a home button 232, a live button 233, an external input button 234, a volume control button 235, a voice recognition button 236, A channel change button 237, a confirmation button 238, and a back button 239 may be included.
- the fingerprint recognition button 212 may be a button for recognizing a user's fingerprint. As an example, the fingerprint recognition button 212 is capable of 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 power of the display apparatus 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 output from the display apparatus 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
- 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 on the touch screen.
- the user input unit 230 may include various types of input means that a user can manipulate, such as a scroll key or a jog key, and the present 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 about 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 is the moving speed of the remote control device 200 Information about the back can be sensed.
- the remote control device 200 may further include a distance measuring sensor, so that the distance to the display unit 180 of the display device 100 may be sensed.
- the output unit 250 may output an image or audio signal corresponding to an operation of the user input unit 230 or a signal transmitted from the display apparatus 100. Through the output unit 250, the user may recognize whether the user input unit 230 is operated or whether the display apparatus 100 is controlled.
- the output unit 250 includes an LED module 251 that lights up when the user input unit 230 is operated or a signal is transmitted and received with the display device 100 through the wireless communication unit 220, and a vibration module that generates vibration ( 253), a sound output module 255 for outputting sound, or a display module 257 for outputting an image may be provided.
- the power supply unit 260 supplies power to the remote control device 200, and when the remote control device 200 has not moved for a predetermined period of time, the power supply is stopped, thereby reducing 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, application data, and the like necessary for controlling or operating the remote control device 200. If the remote control device 200 wirelessly transmits and receives signals 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 information about a frequency band through which signals can be wirelessly transmitted and received with the display device 100 paired with the remote control device 200 in the storage unit 270 and is referred to. can do.
- the controller 280 controls all matters related to the control of the remote control device 200.
- the controller 280 transmits a signal corresponding to the operation of a predetermined key by the user input unit 230 or a signal corresponding to the movement of the remote control device 200 sensed by the sensor unit 240 through the wireless communication unit 220. 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 a 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 can move or rotate the remote control device 200 up and 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 since the corresponding pointer 205 is moved and displayed according to movement in the 3D space, the remote control device 200 may be referred to as a space remote controller.
- 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 in response thereto.
- the display device 100 may calculate the coordinates of the pointer 205 from information about the movement of the remote control device 200.
- the display apparatus 100 may display the pointer 205 to correspond to the calculated coordinates.
- FIG. 4C illustrates a case where 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 selection area in the display unit 180 corresponding to the pointer 205 may be zoomed in and displayed in an enlarged manner.
- a selection area in the display unit 180 corresponding to the pointer 205 may be zoomed out and displayed in a reduced size.
- the selection area may be zoomed out, and when the remote control device 200 approaches the display unit 180, the selection area may be zoomed in.
- a specific button in the remote control device 200 when a specific button in the remote control device 200 is pressed, recognition of vertical and horizontal movement may be excluded. That is, when the remote control device 200 moves away from or approaches the display unit 180, up, down, left, and right movements are not recognized, but only forward and backward movements may be recognized. In a state in which a specific button in the remote control device 200 is not pressed, only the pointer 205 is moved according to the up, down, left, and right movement of the remote control device 200.
- the moving speed or moving direction of the pointer 205 may correspond to the moving speed or moving direction of the remote control device 200.
- a pointer refers to an object displayed on the display unit 180 in response to an operation of the remote control device 200.
- the pointer 205 can be used to make objects of various shapes other than the arrow shape shown in the drawing.
- it may be a concept including a point, a cursor, a prompt, and a thick outline.
- the pointer 205 may be displayed in correspondence with any one of a horizontal axis and a vertical axis on the display unit 180, as well as a plurality of points such as a line and a surface. Do.
- the display apparatus 100 may be connected to at least one external speaker through the wireless communication unit 173.
- the wireless communication unit 173 may be connected to an external speaker through Bluetooth.
- Bluetooth is merely an example for convenience of description, and wireless communication technologies for connecting the display device 100 and an external speaker may be various.
- the display device 100 may be connected to an external speaker by wire.
- control unit 170 may set roles of each of the plurality of external speakers.
- the audio output unit 185 and the external speaker may output different sounds.
- I can.
- the audio output unit 185 outputs sound corresponding to each of the front left, center, and front right, and the first external speaker corresponds to the rear left.
- the second external speaker may output a sound corresponding to the rear right side.
- the controller 170 may set the role of the first external speaker to the rear left and the role of the second external speaker to the rear right.
- the role of the speaker may indicate the type of sound output by each speaker. That is, the role of the speaker may mean a channel that each speaker plays.
- the role of the speaker may vary depending on the type of multi-channel.
- the role of the speaker may be center, front left, front right, rear left, rear right, and bass.
- the controller 170 may set a speaker role for each of the plurality of external speakers, and may transmit an audio signal to each of the plurality of external speakers according to the set role.
- FIG. 5 is a block diagram illustrating a method of transmitting an audio signal according to a role of a speaker by a display device according to an embodiment of the present invention.
- the control unit 170 may include a decoder 171 and a sound engine 173.
- the decoder 171 may decode the input audio signal.
- the sound engine module 173 may receive the decoded audio signal and process the audio signal according to sound to be output from the speaker.
- the sound engine module 173 may upmix or bypass the decoded audio signal.
- the sound engine module 173 may include at least one of an upmixing module 174 and a processing module 175.
- the upmixing module 174 may expand the number of channels of the input audio signal.
- the controller 170 may determine the type of multi-channel based on the number of external speakers. When the number of channels according to the determined multi-channel type is greater than the number of channels of the input audio signal, the control unit 170 may control the upmixing module 174 to expand the number of channels of the input audio signal.
- the processing module 175 may process the up-mixed audio signal according to sound output from the audio output unit 185 or an external speaker.
- the processing module 175 may be a Post Processing Module.
- the processing module 175 may signal-process the bypassed audio.
- the sound engine module 173 may transmit the processed audio signal to the audio output unit 185 and an external speaker (BT speaker).
- BT speaker an external speaker
- the audio output unit 185 is for outputting sound from the display apparatus 100 itself, and may include an amplifier (AMP) and an internal speaker.
- AMP amplifier
- the external speaker may be a speaker connected to Bluetooth, and may be transmitted via Bluetooth (BT) through the wireless communication unit 173.
- BT Bluetooth
- the sound engine module 173 maps a front left (L-front) channel, a front right (R-front) channel, and a center channel to the audio output unit 185, and laterally to the first external speaker.
- the left (L-side) channel is mapped
- the lateral right (R-side) channel is mapped to the second external speaker
- the rear left (L-back) channel is mapped to the third external speaker
- the fourth external speaker is mapped.
- an audio signal corresponding thereto may be transmitted to each mapped channel.
- the controller 170 may map channels to each of the external speakers based on the number, type, and location of external speakers connected to the display apparatus 100.
- FIG. 6 is a flowchart illustrating a method of operating a display device according to an exemplary embodiment of the present invention.
- the controller 170 may obtain location information of the external speaker (S11).
- the location information of the external speaker may mean distance information to the external speaker and direction information of the external speaker.
- the controller 170 may obtain location information of each external speaker based on the distance information and the direction information.
- the controller 170 may acquire the strength of a wireless communication signal of each of the plurality of external speakers, and obtain distance information to the external speaker based on the strength of the wireless communication signal.
- the control unit 170 may acquire the Bluetooth signal strength of each of the plurality of external speakers, and obtain distance information between the display device and the external speaker based on the Bluetooth signal strength.
- the controller 170 may calculate a distance to the external speaker closer as the strength of the wireless communication signal increases, and may calculate the distance to the external speaker as the strength of the wireless communication signal decreases.
- An algorithm for calculating distance information according to the strength of the wireless communication signal may be stored in advance.
- an algorithm for calculating distance information according to the strength of a wireless communication signal may be based on RSSI (Received Signal Strength Indication).
- the controller 170 may acquire direction information of an external speaker using at least one of an angle of arrival (AOA) and an angle of depth (AOD).
- AOA angle of arrival
- AOD angle of depth
- FIG. 7 is a diagram illustrating a method of obtaining direction information of an external speaker by a display device according to an exemplary embodiment of the present invention.
- AoA angle of arrival
- Can represent In order to use the AoA method, it may require multiple antennas within the same device to measure the signal. According to the AoA method, a transmitter can be found with an accuracy of about 10 to 20 centimeters (cm).
- FIG. 7B illustrates an angle of depth (AoD) method, and the AoD may represent a measurement value when reaching a reception antenna among signals transmitted at various angles.
- AoD angle of depth
- the controller 170 may obtain a direction, that is, an angle, in which the external speaker is located from the display apparatus 100 by measuring an angle of arrival (AOA) or angle of depth (AOD).
- AOA angle of arrival
- AOD angle of depth
- controller 170 is not limited to AOA (Angle of Arrival) and AOD (Angle of Departure), and may obtain direction information of an external speaker through another algorithm.
- AOA Angle of Arrival
- AOD Angle of Departure
- the distance information and direction information to the external speaker obtained as described above may be the distance and direction calculated based on the display device 100 or the remote control device 200.
- the controller 170 may obtain distance information and direction information to an external speaker based on the remote control device 200. That is, the control unit 170 may obtain the location information of the external speaker by acquiring the distance and direction to each external speaker through the voice acquisition unit 290 provided in the remote control device 200.
- the control unit 170 may detect the location of the remote control device 200 and recognize the location of the remote control device 200 as a viewing location of the user.
- the stereoscopic sound system can be automatically set according to the method described later, and a stereoscopic sound optimized for the user's viewing position.
- the system can be easily set up.
- the controller 170 may obtain distance information and direction information to an external speaker based on the display device 100. That is, the control unit 170 may obtain the location information of the external speaker by obtaining the distance and direction to each external speaker through the voice acquisition unit 175.
- the controller 170 may recognize an average location of a plurality of location information corresponding to a plurality of external speakers as a viewing location of a user.
- the control unit 170 includes location information of a first external speaker (X1, Y1), location information of a second external speaker (X2, Y2), location information of a third external speaker (X3, Y3), and a fourth
- the location information (X4, Y4) of the external speaker is obtained, the user's viewing location can be obtained as ((X1+X2+X3+X4)/4, (Y1+Y2+Y3+Y4)/4).
- the controller 170 may acquire at least one of a sound pressure and a reproduction band of the external speaker (S13).
- the control unit 170 may acquire at least one of a sound pressure and a reproduction band of the external speaker in order to automatically set an optimal 3D sound system regardless of the type of the external speaker.
- Speakers can be divided into subwoofers and satellites according to the range of sound output.
- FIG. 8 is an exemplary diagram illustrating a method of obtaining at least one of a sound pressure and a reproduction band of an external speaker by a display device according to an exemplary embodiment of the present invention.
- the reproduction band of the subwoofer is about 10 Hz to 100 Hz
- the sound pressure in the reproduction band is about -6 dB to 0 dB
- the reproduction band of Setterite is about 100 Hz to 20000 Hz
- the sound pressure in the band can be found to be about -6 dB to 0 dB.
- the sound pressure and reproduction band of the subwoofer and the setter light shown in FIG. 8 are only exemplary. That is, even with the same subwoofer speaker, the reproduction band and sound pressure may vary depending on the structure, material, etc. Likewise, even for the same setterite speaker, the reproduction band and sound pressure may vary depending on the structure, material, etc.
- the control unit 170 may receive information on the external speaker, and may include a sound pressure and a reproduction band of the external speaker in the information on the external speaker.
- the controller 170 controls an external speaker to output a test sound through, and the voice acquisition unit 290 of the remote control apparatus 200 or the voice acquisition unit 190 of the display apparatus 100 At least one of a sound pressure and a reproduction band of each external speaker may be obtained by acquiring a test sound output from the external speaker and analyzing the acquired test sound.
- control unit 170 may acquire the reproduction bands of each of the plurality of speakers by recognizing the test sound output from the plurality of external speakers.
- the control unit 170 may determine the type of multi-channel that can be configured as an external speaker being connected (S15).
- the controller 170 may acquire the number of external speakers currently connected to the display apparatus 100 and the types of external speakers.
- the control unit 170 may obtain a type of multi-channel that can be configured with external speakers being connected based on the number and type of external speakers being connected.
- the storage unit 140 may store data on the configuration and arrangement of speakers for each type of multi-channel.
- 9A to 9C are exemplary diagrams for explaining data for each type of multi-channel stored in a display device according to an exemplary embodiment of the present invention.
- the storage unit 140 is a 5.1.2 channel data, as shown in FIG. 9A, front left (FL), front right (FR), center (C), surround left (SL), and surround right (SR). And the subwoofer (SW), the middle left of the ceiling (TML), and the position information of the speakers disposed in the middle right of the ceiling (TMR) may be stored.
- the speaker location information may include distance information and angle information to each speaker based on the user's viewing location. In this case, the viewing position of the user may be the position of the above-described remote control device 200 or average position information of external speakers.
- the storage unit 140 is 7.1.4 channel data, as shown in FIG. 9B, front left (FL), front right (FR), center (C), surround left (SL), and surround right (SR). , Surround rear left (SBL), surround rear right (SBR) and subwoofer (SW) and ceiling front left (TFL), ceiling front right (TFR), ceiling rear left (TRL), and ceiling rear right (TRR) respectively.
- It may be storing location information of the speaker to be placed.
- the speaker location information may include distance information and angle information to each speaker based on the user's viewing location. In this case, the viewing position of the user may be the position of the above-described remote control device 200 or average position information of external speakers.
- the storage unit 140 is 9.1.4 channel data, as shown in FIG. 9C, front left (FL), front right (FR), center (C), surround left (SL), and surround right (SR).
- Location information of speakers disposed at the left rear of the ceiling (TRL) and the right rear of the ceiling (TRR) may be stored.
- the speaker location information may include distance information and angle information to each speaker based on the user's viewing location.
- the viewing position of the user may be the position of the above-described remote control device 200 or average position information of external speakers.
- the storage unit 140 may store data for each of 3.1ch, 5.1ch, 5.1.2ch, 7.1.4ch, 9.1.2ch, 9.1.4ch, 11.1ch, and 22.2ch.
- the control unit 170 may determine the type of the multi-channel to one of 3.1ch, 5.1ch, 5.1.2ch, 7.1.4ch, 9.1.2ch, 9.1.4ch, 11.1ch, and 22.2ch.
- the above-described channels are also merely exemplary.
- the type of multi-channel may be more diverse.
- the control unit 170 may determine the type of the multi-channel based on at least one of the number of a plurality of external speakers connected through the wireless communication unit 173 and a reproduction band.
- control unit 170 may determine the type of the multi-channel as a channel having a.1.b channel.
- control unit 170 may obtain the number of external speakers excluding the subwoofer.
- the controller 170 may acquire the number of external speakers excluding the subwoofer as n.
- control unit 170 may obtain the number of speakers installed on the ceiling through location information, particularly direction information, of each external speaker excluding the subwoofer.
- the control unit 170 may acquire the number of speakers installed on the ceiling as b.
- a can be obtained as n-b.
- control unit 170 may determine the type of the multi-channel as the a.1.b channel.
- the above-described method is only exemplary for describing a method of determining the type of multi-channel.
- the controller 170 may determine the type of the multi-channel based on at least one of the number, location, sound pressure, and reproduction band of external speakers.
- the control unit 170 may display a guide guiding the speaker arrangement according to the determined multi-channel type (S17).
- the display unit 180 may display a guide.
- the guide may be information guiding the speaker arrangement according to the determined multi-channel type.
- the controller 170 may control the display unit 180 to display a guide including at least one of a current position, a recommended speaker position, and a position change guide icon of each of the plurality of external speakers.
- FIG 10 is an exemplary diagram of a guide displayed by the display device according to the first embodiment of the present invention.
- the display unit 180 may display a guide including a recommended speaker position.
- the recommended speaker location indicates the location of each speaker according to the determined multi-channel type, and may include the location of each of the external speakers based on the user's viewing location (eg, the location of the remote control).
- FIG. 11 is an exemplary diagram of a guide displayed by a display device according to a second embodiment of the present invention.
- the display unit 180 may display a guide including a recommended speaker position.
- the recommended speaker location represents the location of each of the speakers according to the determined multi-channel type, and includes location and distance information of each of the external speakers based on the user's viewing location (eg, the location of the remote control). I can.
- the surround left speaker is placed A cm from the viewing position
- the surround right speaker is placed B cm from the viewing position
- the surround rear left speaker is placed C cm from the viewing position.
- the surround rear right speaker may be arranged at a distance of D cm from the viewing position
- the subwoofer may include distance information guiding to be arranged at a distance of E cm from the viewing position.
- the recommended speaker position may further include angle information from the user's viewing position to each external speaker.
- FIG. 12 is an exemplary diagram of a guide displayed by a display device according to a third embodiment of the present invention.
- the display unit 180 displays a guide including a recommended speaker position, and a speaker icon displayed on the guide may indicate the state of the speaker.
- the display unit 180 may differently display the speaker icon on the guide according to the state of the speaker.
- the control unit 170 includes a first speaker icon 12a representing a TV internal speaker, a second speaker icon 12b representing a connected external speaker, and a third speaker icon 12c representing an inactive external speaker. ) May be displayed on the guide.
- the first speaker icon 12a may represent each audio channel output through the audio output unit 185.
- the second speaker icon 12b may represent an audio channel output through an external speaker.
- the third speaker icon 12c is not currently connected, but may represent an audio channel capable of configuring a multi-channel when connected.
- FIG. 13 is an exemplary diagram of a guide displayed by a display device according to a fourth embodiment of the present invention.
- the display unit 180 displays a guide including a recommended speaker location, and the guide may include a current location of each external speaker, a recommended speaker location, and a location change guide icon.
- the current location of the external speaker may be indicated by a dotted line icon 13b, and the recommended speaker location may be indicated by a solid line icon 13a.
- the controller 170 displays a position change icon 13c that guides the speaker according to the dotted line icon 13b to be changed to the position according to the solid line icon 13a.
- the display unit 180 may be controlled so as to be performed.
- the position change icon 13c may include at least one of direction information and distance information guiding the speaker position change.
- the user can change the speaker position by referring to the dotted line icon 13b, the solid line icon 13a, the position change icon 13c, and the like, thereby making it possible to easily set the optimal stereophonic sound system.
- the controller 170 may set an audio channel to each of the external speakers according to the determined multi-channel type (S19).
- the control unit 170 may map the audio channel to each of the plurality of external speakers by determining the type of sound to be output from each of the plurality of external speakers according to the determined multi-channel type.
- control unit 170 may set the role of each of the plurality of external speakers based on at least one of a location, sound pressure, and a reproduction band of each of the plurality of external speakers.
- a first external speaker is present at the rear left side based on the viewing position
- a second external speaker is present at the rear right side based on the viewing position
- the reproduction band of the third external speaker In the case of this low sound, the control unit 170 outputs a sound corresponding to the surround left (SL) by the first external speaker, the second external speaker outputs sound corresponding to the surround right (SR), and the third external speaker
- Each role of the speaker may be set so as to output a sound corresponding to the subwoofer SW.
- the controller 170 may set the roles of each of the plurality of external speakers based on distance information between the display apparatus 100 and the external speaker and direction information of the external speaker.
- the first external speaker is present at the rear left of the viewing position, and the second external speaker is also present at the rear left of the viewing position, but the second external speaker
- the control unit 170 outputs the sound corresponding to the surround wide left (SWL) by the first external speaker, and the second external speaker to the surround rear left (SBL).
- the role of each speaker can be set to output a corresponding sound.
- the controller 170 may calculate a correction value of the audio signal size according to each audio channel (S21).
- the controller 170 may correct the audio signal based on the sound pressure of each external speaker and an audio channel set for each of the external speakers.
- the control unit 170 compares the sound pressure of the audio output unit 185 with the sound pressure of each of the external speakers, and the audio signal of the external speaker so that the sound pressure of the audio output unit 185 and the volume level according to the sound pressure of the external speaker become the same level. A correction value for correcting may be calculated.
- the controller 170 may calculate a correction value for correcting the audio signal of the external speaker so that the sound pressure of the external speaker is larger or smaller than the sound pressure of the audio output unit 185 according to the sound characteristics of the audio channel.
- the controller 170 may obtain a viewing position of the user and correct an audio signal transmitted to each of the plurality of external speakers based on the viewing position of the user.
- FIG. 14 is a diagram for describing a method of correcting an audio signal by a display device according to an exemplary embodiment of the present invention.
- the controller 170 may transmit an audio signal to a TV speaker and transmit an audio signal to an external speaker through Bluetooth (BT).
- the external speaker (BT device) may output sound according to the audio signal after receiving the audio signal.
- the voice acquisition unit 290 of the remote control device 200 may acquire sound output from the audio output unit 185 and sound output from an external speaker.
- the remote control device 200 may transmit the acquired sound to the control unit 170 through the user input interface unit 150.
- the voice acquisition unit 190 of the display apparatus 100 may directly acquire sound output from the audio output unit 185 and sound output from an external speaker.
- the control unit 170 may analyze the sound pressure level of the audio output unit 185 and the sound pressure level of each of the external speakers based on the acquired sound.
- the controller 170 may obtain a volume correction value of each external speaker based on a result of analyzing sound pressure levels, and then transmit the volume correction value to the external speaker.
- the external speaker may adjust and output a volume according to a volume correction value.
- the controller 170 may transmit an audio signal to an external speaker (S23).
- the controller 170 may upmix the input audio signal.
- the controller 170 may upmix the input audio signal according to the type of multi-channel.
- the controller 170 may transmit an audio signal suitable for each audio channel to the audio output unit 185 and an external speaker after upmixing or bypass processing is performed.
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Abstract
Description
Claims (15)
- 디스플레이부;사운드를 출력하는 오디오 출력부;복수의 외부 스피커와 연결되는 무선 통신부; 및상기 복수의 외부 스피커 각각의 역할을 설정하고, 설정한 역할에 따라 상기 복수의 외부 스피커 각각으로 오디오 신호를 전송하는 제어부를 포함하는디스플레이 장치.
- 제1항에 있어서,상기 제어부는상기 복수의 외부 스피커 각각의 위치, 음압, 재생대역 중 적어도 하나에 기초하여 상기 복수의 외부 스피커 각각의 역할을 설정하는디스플레이 장치.
- 제2항에 있어서,상기 제어부는상기 디스플레이 장치와 외부 스피커 사이의 거리 정보 및 상기 외부 스피커의 방향 정보에 기초하여 상기 복수의 외부 스피커 각각의 역할을 설정하는디스플레이 장치.
- 제3항에 있어서,상기 제어부는상기 복수의 외부 스피커 각각의 블루투스 신호 세기를 획득하고, 상기 블루투스 신호 세기에 기초하여 상기 디스플레이 장치와 외부 스피커 사이의 거리 정보를 획득하는디스플레이 장치.
- 제3항에 있어서,상기 제어부는AOA(Angle of Arrival) 및 AOD(Angle of Departure) 중 적어도 하나를 이용하여 상기 외부 스피커의 방향 정보를 획득하는디스플레이 장치.
- 제1항에 있어서,원격제어장치로부터 신호를 수신하는 사용자입력 인터페이스부를 더 포함하고,상기 제어부는상기 원격제어장치의 위치를 감지하고 상기 원격제어장치의 위치를 사용자의 시청 위치로 인식하는디스플레이 장치.
- 제1항에 있어서,상기 제어부는상기 복수의 외부 스피커 각각의 위치 정보를 획득하고, 상기 복수의 외부 스피커에 대응하는 복수의 위치 정보의 평균 위치를 사용자의 시청 위치로 인식하는디스플레이 장치.
- 제1항에 있어서,상기 제어부는사용자의 시청 위치를 획득하고, 상기 사용자의 시청 위치에 기초하여 상기 복수의 외부 스피커 각각으로 전송하는 오디오 신호를 보정하는디스플레이 장치.
- 제1항에 있어서,상기 제어부는상기 무선 통신부를 통해 연결된 복수의 외부 스피커의 개수 및 재생대역 중 적어도 하나에 기초하여 멀티 채널의 종류를 결정하는디스플레이 장치.
- 제9항에 있어서,상기 제어부는상기 멀티 채널의 종류에 따라 상기 복수의 외부 스피커 각각에 오디오 채널을 설정하는디스플레이 장치.
- 제9항에 있어서,상기 제어부는상기 멀티 채널의 종류에 따라 입력 오디오 신호를 업 믹싱하는디스플레이 장치.
- 제9항에 있어서,상기 제어부는상기 멀티 채널의 종류를 3.1ch, 5.1ch, 5.1.2ch, 7.1.4ch, 9.1.2ch, 9.1.4ch, 11.1ch 및 22.2ch 중 하나로 결정하는디스플레이 장치.
- 제9항에 있어서,상기 제어부는결정된 멀티 채널의 종류에 따른 스피커 배치를 안내하는 가이드를 표시하도록 상기 디스플레이부를 제어하는디스플레이 장치.
- 제13항에 있어서,상기 제어부는상기 복수의 외부 스피커 각각의 현재 위치, 추천 스피커 위치 및 위치 변경 안내 아이콘 중 적어도 하나를 포함하는 가이드를 표시하도록 상기 디스플레이부를 제어하는디스플레이 장치.
- 제1항에 있어서,상기 제어부는상기 복수의 외부 스피커에서 출력되는 테스트 사운드를 인식함으로써 상기 복수의 스피커 각각의 재생 대역을 획득하는디스플레이 장치.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19941646.2A EP4013073B1 (en) | 2019-08-09 | 2019-08-09 | Display device and operation method of same |
| US17/631,954 US12149912B2 (en) | 2019-08-09 | 2019-08-09 | Display device and operating method thereof |
| PCT/KR2019/010088 WO2021029447A1 (ko) | 2019-08-09 | 2019-08-09 | 디스플레이 장치 및 그의 동작 방법 |
| KR1020227002517A KR102688220B1 (ko) | 2019-08-09 | 2019-08-09 | 디스플레이 장치 및 그의 동작 방법 |
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/KR2019/010088 WO2021029447A1 (ko) | 2019-08-09 | 2019-08-09 | 디스플레이 장치 및 그의 동작 방법 |
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| WO2021029447A1 true WO2021029447A1 (ko) | 2021-02-18 |
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| EP (1) | EP4013073B1 (ko) |
| KR (1) | KR102688220B1 (ko) |
| WO (1) | WO2021029447A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023121326A1 (ko) * | 2021-12-22 | 2023-06-29 | 삼성전자주식회사 | 전자 장치 및 그 제어 방법 |
| EP4411566A4 (en) * | 2021-11-01 | 2025-01-15 | Huawei Technologies Co., Ltd. | METHOD FOR DETERMINING ALIGNMENT INFORMATION AND ELECTRONIC DEVICE |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4024902A4 (en) * | 2019-08-27 | 2023-05-10 | LG Electronics Inc. | DISPLAY DEVICE AND SURROUND SOUND SYSTEM |
| US11284460B2 (en) * | 2020-01-10 | 2022-03-22 | Canon Kabushiki Kaisha | Communication system using wireless communication, communication apparatus, and control method |
| CN118233692B (zh) * | 2022-12-20 | 2025-10-24 | 华为技术有限公司 | 一种组建家庭影院方法、设备及系统 |
| KR20240174779A (ko) * | 2023-06-09 | 2024-12-17 | 엘지전자 주식회사 | 전자 장치 및 그의 동작 방법 |
| KR102867534B1 (ko) | 2023-06-13 | 2025-10-13 | 엘지전자 주식회사 | 디스플레이 장치 |
| KR102795295B1 (ko) * | 2023-11-23 | 2025-04-15 | 엘지전자 주식회사 | 디스플레이 장치 |
| WO2026015005A1 (ko) * | 2024-07-08 | 2026-01-15 | 엘지전자 주식회사 | 블루투스 le(low energy) 기술을 이용하여 다수 스피커들의 채널 및 상대적인 위치를 추정하는 방법 및 그 장치 |
| WO2026024020A1 (ko) * | 2024-07-22 | 2026-01-29 | 엘지전자 주식회사 | Ble 스피커, 폰 및 tv를 위한 멀티채널 오디오 제어를 위한 방법 및 장치 |
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- 2019-08-09 KR KR1020227002517A patent/KR102688220B1/ko active Active
- 2019-08-09 WO PCT/KR2019/010088 patent/WO2021029447A1/ko not_active Ceased
- 2019-08-09 US US17/631,954 patent/US12149912B2/en active Active
- 2019-08-09 EP EP19941646.2A patent/EP4013073B1/en active Active
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| EP4411566A4 (en) * | 2021-11-01 | 2025-01-15 | Huawei Technologies Co., Ltd. | METHOD FOR DETERMINING ALIGNMENT INFORMATION AND ELECTRONIC DEVICE |
| WO2023121326A1 (ko) * | 2021-12-22 | 2023-06-29 | 삼성전자주식회사 | 전자 장치 및 그 제어 방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4013073B1 (en) | 2025-10-01 |
| KR102688220B1 (ko) | 2024-07-25 |
| US20220295206A1 (en) | 2022-09-15 |
| KR20220027994A (ko) | 2022-03-08 |
| EP4013073A1 (en) | 2022-06-15 |
| EP4013073A4 (en) | 2023-03-22 |
| US12149912B2 (en) | 2024-11-19 |
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