WO2022059825A1 - 제어장치 및 이를 포함하는 시스템 - Google Patents
제어장치 및 이를 포함하는 시스템 Download PDFInfo
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- WO2022059825A1 WO2022059825A1 PCT/KR2020/012722 KR2020012722W WO2022059825A1 WO 2022059825 A1 WO2022059825 A1 WO 2022059825A1 KR 2020012722 W KR2020012722 W KR 2020012722W WO 2022059825 A1 WO2022059825 A1 WO 2022059825A1
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- signal
- control device
- image display
- display device
- control
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
- G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/42222—Additional components integrated in the remote control device, e.g. timer, speaker, sensors for detecting position, direction or movement of the remote control, microphone or battery charging device
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/165—Management of the audio stream, e.g. setting of volume, audio stream path
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/167—Audio in a user interface, e.g. using voice commands for navigating, audio feedback
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42203—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] sound input device, e.g. microphone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/42221—Transmission circuitry, e.g. infrared [IR] or radio frequency [RF]
-
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L2021/02087—Noise filtering the noise being separate speech, e.g. cocktail party
-
- 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
- H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
Definitions
- the present invention relates to a control device and a system including the same.
- An image display device is a device having a function of displaying an image that a user can watch.
- LCD Liquid Crystal Display Device
- PDP Plasma Display Panel
- ELD Electro luminescent Display
- VFD Vauum Fluorescent Display
- Such an image display device may perform wired/wireless communication with various electronic devices to transmit/receive data to/from each other.
- the image display apparatus may display a screen corresponding to an image signal transmitted from an electronic device connected through wired/wireless communication, and may output a sound corresponding to an audio signal.
- a user in order to control electronic devices, a user directly manipulates a button provided on the main body of the electronic device or uses a remote control device such as a remote controller to avoid the inconvenience of moving to the main body.
- a remote control device such as a remote controller
- the electronic device performing voice recognition not only the voice uttered by the user but also the sound output from the image display device will receive
- a method of accurately processing only the voice part uttered by the user, except for the sound part output from the image display device among the voice input received by the electronic device is required.
- the present invention aims to solve the above and other problems.
- Another object of the present invention is to provide a control device capable of accurately excluding a sound part output from an image display device from among received audio input in consideration of the location of the image display device, and a system including the same.
- Another object of the present invention is to provide a control device capable of improving the accuracy of voice recognition in consideration of the location of the user uttering the voice, and a system including the same.
- a control device includes an external device interface unit for communicating with an image display device, a microphone, and a control unit, wherein the control unit is transmitted/received through the external device interface unit Based on the signal, the angle and distance between the control device and the video display device are determined, and when an audio input is received through a microphone, a compensation signal corresponding to the audio signal transmitted to the video display device is generated, and the control device and the image A compensation signal may be corrected based on an angle and a distance between the display devices, and a voice input may be processed based on the corrected compensation signal.
- the compensation signal corresponding to the audio signal is a signal corresponding to the sound output from the image display device according to the audio signal
- the control unit based on the corrected compensation signal, A portion corresponding to the sound output from the image display device may be removed from the input, and voice recognition may be performed on the audio input from which the portion is removed.
- control unit corrects the phase of the compensation signal based on the angle between the control device and the image display device, and based on the distance between the control device and the image display device, the amplitude of the compensation signal can be corrected.
- the external device interface unit includes at least one array antenna including a plurality of antenna elements, and the control unit communicates with the image display device through the array antenna in a plurality of directions. It is possible to determine a direction used for the , and determine an angle between the control device and the image display device based on the determined direction.
- the controller receives data on a direction used for communication with the control device from the image display device, and based on the received data on the direction, the control device and the image display device The angle between them can be determined.
- control unit based on at least one of the intensity of the signal received from the image display device, and the difference between the time when the signal is output from the control device and the time when the signal is received from the image display device Thus, it is possible to determine the distance between the control device and the image display device.
- the external device interface unit includes a first communication circuit using a first frequency band and a second communication circuit using a second frequency band higher than the first frequency band,
- the controller may transmit a control signal to the image display device through a first communication circuit and transmit at least one of an image signal and the audio signal to the image display device through a second communication circuit.
- the first frequency band may include at least one of a 2.4 GHz band and a 5 GHz band
- the second frequency band may include at least a portion of a frequency band of 25 GHz to 100 GHz. there is.
- control unit calculates a distance between an object corresponding to the user and the control device based on a signal transmitted and received through the external device interface unit, and responds to the user when voice recognition fails
- a control signal for lowering the volume of a sound output from the image display apparatus may be transmitted to the image display apparatus based on the distance between the object and the control apparatus.
- control unit transmits a first signal through the array antenna, and receives a second signal, which is a signal in which the transmitted first signal is reflected by an object, through the array antenna.
- the distance between the object corresponding to the user and the control device may be calculated based on a result of performing the omnidirectional operation and receiving the second signal in the omnidirectional direction.
- the image display device outputs a sound through at least one speaker based on an audio signal received from the control device.
- the control device determines an angle and a distance between the control device and the image display device based on a signal transmitted and received between the video display device and the image display device, and when an audio input is received through a microphone of the control device , generating a compensation signal corresponding to the audio signal transmitted to the image display device, correcting the compensation signal based on the angle and distance between the control device and the image display device, and receiving a voice input based on the corrected compensation signal can be processed
- the amplitude, phase, etc. of the compensation signal corresponding to the sound output from the image display device is corrected, and the corrected compensation signal
- the position of the user uttering the voice is confirmed, and the sound output from the image display device according to the position of the user
- the volume to be lowered it is possible to further improve the accuracy of voice recognition for the voice part spoken by the user.
- FIG. 1 is a diagram illustrating a system, according to an embodiment of the present invention.
- FIG. 2 is an example of an internal block diagram of the control device of FIG. 1 .
- FIG. 3 is an example of an internal block diagram of the image display device of FIG. 1 .
- FIG. 4 is a flowchart of a method of operating a control device according to an embodiment of the present invention.
- 5 to 8 are diagrams referred to in the description of the operation of the control device.
- FIG. 9 is a flowchart of a method of operating a control device according to another embodiment of the present invention.
- Fig. 10 is a diagram referred to in the description of the operation of the control device.
- module and “part” for the components used in the following description are given simply in consideration of the ease of writing the present specification, and do not impart a particularly important meaning or role by themselves. Accordingly, the terms “module” and “unit” may be used interchangeably.
- FIG. 1 is a diagram illustrating a system, according to various embodiments of the present invention.
- a system 10 may include a control device 100 , an image display device 200 , and/or a remote control device 300 .
- the control device 100 may be a device for controlling the image display device 200 .
- the control apparatus 100 may transmit a control signal for controlling the operation of the image display apparatus 200 to the image display apparatus 200 .
- the control apparatus 100 may establish a wired or wireless network with the image display apparatus 200 to transmit an image signal and/or an audio signal to the image display apparatus 200 .
- the control device 100 may receive a broadcast signal, process it, and transmit the processed image signal and/or audio signal to the image display device 200 .
- the control device 100 may receive a broadcast signal wirelessly through an antenna, or may receive a broadcast signal by wire through a cable.
- the control device 100 may receive a terrestrial broadcast signal, a satellite broadcast signal, a cable broadcast signal, an Internet Protocol Television (IPTV) broadcast signal, and the like.
- IPTV Internet Protocol Television
- the image display device 200 may be a device that processes and outputs an image.
- the image display device 200 is not particularly limited as long as it can output a screen corresponding to an image signal, such as a TV, a notebook computer, and a monitor.
- the remote control device 300 may be connected to the control device 100 by wire and/or wirelessly to provide various control signals to the control device 100 .
- the remote control device 300 establishes a wired or wireless network with the control device 100 , and transmits various control signals to the control device 100 through the established network, or from the control device 100 to the control device. It may include an apparatus for receiving signals related to various operations processed in 100 .
- various input devices such as a mouse, a keyboard, a space remote control, a trackball, and a joystick may be used as the remote control device 300 .
- the control device 100 is connected to only a single remote control device 300 , or is simultaneously connected to two or more remote control devices 300 , and based on a control signal provided from each remote control device 300 , an image display device The object displayed in 200 may be changed or the state of the screen may be adjusted.
- the remote control apparatus 300 may be connected to the image display apparatus 100 by wire and/or wirelessly to provide various control signals to the image display apparatus 100 .
- FIG. 2 is an example of an internal block diagram of the control device of FIG. 1 .
- the control device 100 includes a broadcast receiving unit 105 , an external device interface unit 130 , a network interface unit 135 , a storage unit 140 , a user input interface unit 150 , and an input unit ( 160 ), a control unit 170 , an audio output unit 185 , and/or a power supply unit 190 .
- the broadcast receiver 105 may include a tuner 110 and a demodulator 120 .
- the tuner unit 110 may select a broadcast signal corresponding to a channel selected by the user or all channels stored in advance among broadcast signals received through an antenna (not shown) or a cable (not shown).
- the tuner unit 110 may convert the selected broadcast signal into an intermediate frequency signal or a baseband video or audio signal.
- the selected broadcast signal may be converted into a digital IF signal (DIF), and if the selected broadcast signal is an analog broadcast signal, it may be converted into an analog baseband image or audio signal (CVBS/SIF).
- DIF digital IF signal
- CVBS/SIF analog baseband image or audio signal
- the tuner unit 110 may process a digital broadcast signal or an analog broadcast signal.
- the analog baseband video or audio signal (CVBS/SIF) output from the tuner unit 110 may be directly input to the control unit 170 .
- the tuner unit 110 may sequentially select broadcast signals of all broadcast channels stored through the channel storage function among the received broadcast signals, and convert them into an intermediate frequency signal or a baseband video or audio signal.
- the tuner unit 110 may include a plurality of tuners in order to receive broadcast signals of a plurality of channels.
- a single tuner that simultaneously receives broadcast signals of a plurality of channels is also possible.
- the demodulator 120 may receive the digital IF signal DIF converted by the tuner 110 and perform a demodulation operation.
- the demodulator 120 may output a stream signal TS after demodulation and channel decoding are performed.
- the stream signal may be a signal obtained by multiplexing an image signal, an audio signal, or a data signal.
- the stream signal output from the demodulator 120 may be input to the controller 170 .
- the controller 170 may transmit the data to the image display device 200 through the external device interface unit 130 .
- the external device interface unit 130 may transmit or receive data to or from a connected external device.
- the external device interface unit 130 may include an A/V input/output unit (not shown).
- the A/V input/output unit may transmit/receive signals to and from an external device.
- the A/V input/output unit includes an Ethernet (Ethernet) terminal, a USB terminal, a CVBS (Composite Video Banking Sync) terminal, a component terminal, an S-video terminal (analog), a DVI (Digital Visual Interface) terminal, and an HDMI (High It may include a Definition Multimedia Interface) terminal, a Mobile High-definition Link (MHL) terminal, an RGB terminal, a D-SUB terminal, an IEEE 1394 terminal, an SPDIF terminal, a Liquid HD terminal, and the like.
- a digital signal input through these terminals may be transmitted to the controller 170 .
- the analog signal input through the CVBS terminal and the S-video terminal may be converted into a digital signal through an analog-to-digital converter (not shown) and transmitted to the controller 170 .
- the external device interface unit 130 may be connected to an image display device 200 such as a TV or a monitor by wire/wireless, and may perform input/output operations with the image display device 200 .
- the external device interface unit 130 may include a wireless communication unit (not shown) for short-range wireless communication with other electronic devices. Through such a wireless communication unit, the external device interface unit 130 may exchange data with an adjacent mobile terminal. For example, the external device interface unit 130 may receive device information, executed application information, an application image, and the like, from the mobile terminal in the mirroring mode.
- Bluetooth Bluetooth
- RFID Radio Frequency Identification
- Wi-Fi Wireless Fidelity
- infrared communication IrDA, infrared Data Association
- UWB Ultra-Wideband
- ZigBee ZigBee
- WiGig WiGig
- the external device interface unit 130 may include a plurality of communication circuits.
- the external device interface unit 130 includes a first communication circuit (not shown) using a first frequency band and a second communication circuit (not shown) using a second frequency band higher than the first frequency band. ) may be included.
- the first communication circuit may use a first frequency band including at least one of a 2.4 GHz band and a 5 GHz band used for Bluetooth, Wi-Fi, and the like.
- the first communication circuit may perform omni-directional or omni-directional communication for transmitting and receiving signals of the first frequency band.
- the second communication circuit may use a second frequency band including at least a part of a frequency band of 25 GHz to 100 GHz.
- the second frequency band may be referred to as an mmWave band.
- the first communication circuit may transmit a control signal for controlling the operation of the image display apparatus 200 connected to the communication
- the second communication circuit may display a large-capacity image signal and/or an audio signal through communication connection. may be transmitted to the device 200 .
- the second communication circuit is Communication may be performed according to a beamforming method for intensively transmitting and receiving signals in one direction.
- the second communication circuit may include an array antenna including a plurality of antenna elements, a plurality of phase shifters corresponding to the plurality of antenna elements, and the like.
- the antenna element may include a patch antenna, a dipole antenna, and the like.
- the second communication circuit may generate a transmit beam and/or a receive beam in a specific direction among the plurality of directions by controlling the phases of signals transmitted and received through the plurality of antenna elements through the plurality of phase converters.
- the second communication circuit may determine a pattern of the transmit beam and/or the receive beam by changing the number of antenna elements used to generate the transmit beam and/or the receive beam. For example, the second communication circuit may increase the number of antenna elements used to generate the transmit beam and/or receive beam to form a beam of a narrow radiation pattern, and reduce the number of antenna elements to increase the number of antenna elements. It is also possible to form a beam of radiation pattern.
- the second communication circuit forms a beam having a narrow radiation pattern
- coverage is narrower than a beam having a wide radiation pattern, but an antenna gain is high, so that communication performance can be improved.
- the network interface unit 135 may provide an interface for connecting to a wired/wireless network including the Internet network.
- the network interface unit 155 may receive content or data provided by the Internet, a content provider, or a network operator through a network.
- the network interface unit 135 may include a communication module (not shown) for connection to a wired/wireless network.
- the network interface unit 135 may include a communication module for Wireless LAN (WLAN), Wireless broadband (Wibro), World Interoperability for Microwave Access (Wimax), High Speed Downlink Packet Access (HSDPA), etc. there is.
- WLAN Wireless LAN
- Wibro Wireless broadband
- Wimax World Interoperability for Microwave Access
- HSDPA High Speed Downlink Packet Access
- the network interface unit 135 may transmit or receive data with another user or other electronic device through the connected network or another network linked to the connected network.
- the storage unit 140 may store a program for each signal processing and control in the control unit 170 , or may store a signal-processed image, audio, or data signal.
- the storage unit 140 stores application programs designed for the purpose of performing various tasks that can be processed by the control unit 170 , and upon request of the control unit 170 , selectively selects some of the stored application programs can provide
- the program stored in the storage unit 140 is not particularly limited as long as it can be executed by the control unit 170 .
- the storage unit 140 may perform a function for temporarily storing an image, audio, or data signal received from an external device through the external device interface unit 130 .
- the storage unit 140 may store information about a predetermined broadcast channel through a channel storage function such as a channel map.
- FIG 2 illustrates an embodiment in which the storage unit 140 is provided separately from the control unit 170 , the scope of the present invention is not limited thereto, and the storage unit 140 may be included in the control unit 170 .
- the storage unit 140 may include a volatile memory (eg, DRAM, SRAM, SDRAM, etc.), a non-volatile memory (eg, a flash memory), a hard disk drive (HDD), or a solid state drive (Solid). -state drive (SSD), etc.) may be included. In various embodiments of the present invention, the storage unit 140 and the memory may be used interchangeably.
- a volatile memory eg, DRAM, SRAM, SDRAM, etc.
- a non-volatile memory eg, a flash memory
- HDD hard disk drive
- SSD solid state drive
- the storage unit 140 and the memory may be used interchangeably.
- the user input interface unit 150 may transmit a signal input by the user to the control unit 170 or may transmit a signal from the control unit 170 to the user.
- transmit/receive user input signals such as power on/off, channel selection, and screen setting from the remote control device 400, or local keys (not shown) such as power key, channel key, volume key, and setting value transmits a user input signal input from the to the control unit 170, transmits a user input signal input from a sensor unit (not shown) that senses a user's gesture to the control unit 170, or transmits a signal from the control unit 170 It can be transmitted to the sensor unit.
- the input unit 160 may be provided on one side of the main body of the control device 100 .
- the input unit 160 may include a touch pad, a physical button, and the like.
- the input unit 160 may receive various user commands related to the operation of the control device 100 , and may transmit a control signal corresponding to the input command to the control unit 170 .
- the input unit 160 may transmit a control signal corresponding to the input command to the control unit 170 through the user input interface unit 150 .
- the input unit 160 may include at least one microphone (not shown), and may receive a user's voice through the microphone.
- the controller 170 may include at least one processor, and may control the overall operation of the control device 100 by using the processor included therein.
- the processor may be a general processor such as a central processing unit (CPU).
- the processor may be a dedicated device such as an ASIC or other hardware-based processor.
- the controller 170 demultiplexes a stream input through the tuner unit 110 , the demodulator 120 , the external device interface unit 130 , or the network interface unit 135 , or processes the demultiplexed signals to , it is possible to generate and output a signal for video or audio output.
- the image signal and/or the audio signal processed by the controller 170 may be transmitted to the image display device 200 through the external device interface unit 130 .
- the audio signal processed by the control unit 170 may be transmitted to the audio output unit 185 .
- the audio output unit 185 may include at least one speaker (not shown).
- the audio output unit 185 may receive the audio signal processed by the control unit 170 and output the audio signal.
- the controller 170 may include a demultiplexer, an image processor, and the like.
- control unit 170 may control overall operations in the control device 100 .
- the controller 170 may control the tuner 110 to select a channel selected by the user or a broadcast corresponding to a pre-stored channel (Tuning).
- control device 100 may further include a photographing unit (not shown).
- the photographing unit may photograph the user.
- the photographing unit may be implemented with one camera, but is not limited thereto, and may be implemented with a plurality of cameras. Meanwhile, the photographing unit may be embedded in the upper portion of the control device 100 or disposed separately. Image information captured by the photographing unit may be input to the control unit 170 .
- the controller 170 may detect the user's gesture based on each or a combination of an image captured by the photographing unit or a signal sensed from the sensor unit.
- the control unit 170 may recognize the location of the user based on the image captured by the photographing unit. For example, the controller 170 may determine the distance (z-axis coordinate) between the user and the control device 100 .
- the controller 170 may determine a direction in which a transmit beam and/or a receive beam is generated through the second communication circuit among a plurality of directions. For example, the control unit 170, based on a signal to noise ratio (SNR), received signal strength (RSSI), etc., among a plurality of directions, a transmit beam and/or a receive beam through the second communication circuit direction can be determined.
- SNR signal to noise ratio
- RSSI received signal strength
- the control unit 170 may calculate an angle between the control device 100 and the external electronic device.
- control unit 170 may determine a direction for generating a transmission beam and/or a reception beam through the second communication circuit among a plurality of directions, and set an angle corresponding to the determined direction with the control device 100 . It can be determined by the angle between external electronic devices.
- control unit 170 may control a direction for generating a transmission beam and/or a reception beam from an external electronic device through the external device interface unit 130 , that is, a direction used for communication with the control device 100 .
- Data may be received, and an angle between the control device 100 and the external electronic device may be determined based on the received direction data.
- the control unit 170 may acquire information about an object disposed around the control device 100 based on a signal transmitted/received through the external device interface unit 130 .
- the control unit 170 transmits the first signal of the mmWave band through at least one array antenna included in the second communication circuit, and transmits at least a second signal, which is a signal from which the transmitted first signal is reflected by the object and returned.
- the operation of receiving through one array antenna may be performed in all directions.
- a plurality of array antennas included in the second communication circuit may be arranged to face omnidirectional, or may be arranged to rotate omnidirectionally based on a rotation axis.
- the control unit 170 calculates the distance between the objects disposed in the vicinity of the control device 100 and the control device 100 based on a difference between the time when the first signal is transmitted and the time when the second signal is received.
- the control unit 170 based on the difference between the time when the signal is transmitted to the external electronic device through the external device interface unit 130 and the time when the external electronic device receives the signal from the control device 100, the control device ( 100) and an external electronic device can be calculated.
- the controller 170 may calculate a distance between the control device 100 and the external electronic device based on a signal received from the external electronic device through the external device interface unit 130 .
- the control unit 170 may calculate a Received Signal Strength Indication (RSSI) regarding the strength of a signal received from an external electronic device through the external device interface unit 130 , and the calculated reception A distance between the control device 100 and an external electronic device may be calculated based on the signal strength.
- RSSI Received Signal Strength Indication
- the controller 170 may determine the types of objects disposed in the vicinity of the control device 100 based on a result of receiving the second signal in the omnidirectional direction. For example, the controller 170 may generate an image (eg, a point cloud image) corresponding to the reception result based on a result of receiving the second signals in the omnidirectional direction, and from the image An object corresponding to the user may be identified among objects disposed around the control device 100 .
- an image eg, a point cloud image
- the controller 170 may perform voice recognition for a voice input input through a microphone.
- the controller 170 may perform voice recognition using natural language processing (NLP) to extract a word included in the voice input, and may identify a command corresponding to the extracted word.
- NLP natural language processing
- the natural language processing technology may refer to a technology of processing a human language phenomenon so that the electronic device can recognize the meaning of the language phenomenon by mechanical analysis.
- the control unit 170 may transmit data on the voice input to an external server (not shown), receive the result of processing the voice input from the external server, and perform voice recognition.
- the control unit 170 may transmit data on the voice input to an external server, and receive data about a word included in the voice input and a command corresponding to the word from the external server to perform voice recognition.
- the controller 170 may perform pre-processing, such as noise processing, on a voice input that is a target of voice recognition.
- the preprocessing process is a processing method of detecting only a speech section from an input signal, such as end-point detection, and a method of separating a speech section and a silence section by extracting statistical features with a relatively simple calculation process from the input signal can be used
- the preprocessing process may include a noise processing process of removing noise.
- the power supply unit 190 may supply the corresponding power throughout the control device 100 .
- power may be supplied to the controller 170 , which may be implemented in the form of a system on chip (SOC), and the audio output unit 185 for audio output.
- SOC system on chip
- the power supply unit 190 may include a converter (not shown) that converts AC power into DC power, and a Dc/Dc converter (not shown) that converts the level of DC power.
- the remote control device 400 may transmit a user input to the user input interface unit 150 .
- the remote control device 400 Bluetooth (Bluetooth), RF (Radio Frequency) communication, infrared (Infrared Radiation) communication, UWB (Ultra-wideband), ZigBee (ZigBee) method, etc. may be used.
- the remote control device 400 may receive an image, audio, or data signal output from the user input interface unit 150 , and display it or output the audio signal from the remote control device 400 .
- the block diagram of the control device 100 shown in FIG. 2 is only a block diagram for an embodiment of the present invention, and each component of the block diagram is integrated according to the specifications of the actually implemented control device 100, may be added or omitted.
- two or more components may be combined into one component, or one component may be subdivided into two or more components as needed.
- the function performed by each block is for explaining the embodiment of the present invention, and the specific operation or device does not limit the scope of the present invention.
- 3A is an example of an internal block diagram of the image display device of FIG. 1 .
- the image display device 200 may include an external device interface unit 210 , a display 220 , an audio output unit 230 , a storage unit 240 , and/or a control unit 250 . there is.
- the external device interface unit 210 may transmit/receive a signal including data to/from the connected external device.
- the external device interface unit 210 may be connected to the control device 100 by wire, and may receive a signal from the control device 100 .
- the external device interface unit 210 may receive an image signal and/or an audio signal from the control device 100 , and may receive a control signal.
- the external device interface unit 210 may include a plurality of communication circuits.
- the external device interface unit 210 includes a first communication circuit (not shown) using a first frequency band and a second communication circuit (not shown) using a second frequency band higher than the first frequency band. ) may be included.
- the first communication circuit may use a first frequency band including at least one of a 2.4 GHz band and a 5 GHz band used for Bluetooth, Wi-Fi, and the like.
- the second communication circuit may use a second frequency band including at least a part of a frequency band of 25 GHz to 100 GHz.
- the first communication circuit may receive a control signal from the communication-connected control device 100 , and the second communication circuit may transmit a large-capacity image signal and/or audio signal from the communication-connected control device 100 . can receive
- the second communication circuit may include an array antenna including a plurality of antenna elements, a plurality of phase shifters corresponding to the plurality of antenna elements, and the like.
- the second communication circuit may generate a transmit beam and/or a receive beam in a specific direction among the plurality of directions by controlling the phases of signals transmitted and received through the plurality of antenna elements through the plurality of phase converters.
- the display 220 includes an image signal, a data signal, an OSD signal, a control signal, or an image signal, a data signal, and a control signal received from the control device 100 through the external device interface unit 210 processed by the controller 250 . and the like to generate a driving signal.
- the display 220 may include a display panel (not shown) including a plurality of pixels and a panel driver (not shown).
- the plurality of pixels provided in the display panel may include RGB sub-pixels.
- the plurality of pixels included in the display panel may include RGBW sub-pixels.
- the display 220 includes an image signal, a data signal, an OSD signal, a control signal processed by the controller 250 , or an image signal, a data signal, and an OSD transmitted from the control device 100 through the external device interface unit 210 .
- a driving signal for a plurality of pixels may be generated by converting a signal, a control signal, or the like.
- the display 220 may be a plasma display panel (PDP), a liquid crystal display (LCD), an organic light emitting diode (OLED), a flexible display, and the like, and a three-dimensional display (3D display) may be possible. there is.
- the 3D display 220 may be divided into a non-glasses type and a glasses type.
- the panel driver may drive the display panel based on a control signal and data signal transmitted from the control unit 250 or a signal transmitted from the control device 100 through the external device interface unit 210 .
- the panel driver may include a gate driver and a data driver for supplying a scan signal and an image signal to the display panel through a gate line and a data line, and a timing controller for controlling the gate driver and the data driver in response to the control signal. .
- the display 220 may be configured as a touch screen and used as an input device in addition to an output device.
- the audio output unit 230 may include at least one speaker (not shown).
- the audio output unit 230 may include at least one vibration generator 231 .
- the vibration generator 231 may include an exciter that vibrates the display panel 310 included in the display 220 .
- the vibration generator 231 may be mounted on the display panel 310 of the display 220 to vibrate the display panel 310 in response to a voice signal.
- the vibration generator 231 may be mounted on the rear surface of the display panel 310 to vibrate the display panel 310 so that a voice is output to the front of the display panel 310 where the user is located.
- a plurality of vibration generators 231 may be mounted on the display panel 310 .
- the plurality of vibration generators 231 may independently vibrate an area in which each is disposed.
- the first vibration generator 231a may be attached to a lower region of the display panel 310 to vibrate the lower region of the display panel 310 so that a high-pitched sound and a low-pitched sound are simultaneously generated
- the second The vibration generator 231b may be attached to the upper region of the display panel 310 to vibrate the upper region of the display panel 310 to generate high-pitched sound.
- the storage unit 240 may store a program for processing and controlling each signal in the control unit 250 , or may store a signal-processed image, audio, or data signal.
- the storage unit 240 stores application programs designed for the purpose of performing various tasks that can be processed by the control unit 250 , and upon request of the control unit 250 , selects some of the stored application programs can be provided as
- the program stored in the storage unit 240 is not particularly limited as long as it can be executed by the control unit 250 .
- the controller 250 may include at least one processor, and may control the overall operation of the image display apparatus 200 by using the processor included therein.
- the processor may be a general processor such as a central processing unit (CPU).
- the processor may be a dedicated device such as an ASIC or other hardware-based processor.
- the image display apparatus 200 may not include the storage unit 240 and/or the control unit 250 .
- the image display apparatus 200 may be a device that operates according to a control signal received from the control apparatus 100 , and outputs the image signal received from the control apparatus 100 through the display 200 as it is.
- it may be a device that provides a function of outputting a voice signal as it is through the audio output unit 230 .
- FIGS. 5 to 8 are diagrams referenced for description of the operation of the control device.
- control device 100 may communicate with the image display device 200 through the external device interface unit 130 .
- the control device 100 may transmit/receive a signal in a first frequency band including at least one of a 2.4 GHz band and a 5 GHz band through a first communication circuit, thereby performing a communication connection with the image display device 200 . .
- the control device 100 may transmit/receive a signal in a second frequency band including at least a part of a frequency band of 25 GHz to 100 GHz through the second communication circuit, thereby performing a communication connection with the image display device 200 .
- the control device 100 may perform a communication connection with the image display device 200 in the second frequency band using a beamforming method.
- the control device 100 sequentially transmits the transmit beam 510 in a plurality of directions using a plurality of antenna elements included in the array antenna, thereby performing transmit beam sweeping 515 at least once.
- the image display device 200 also sequentially transmits the reception beam 520 in a plurality of directions while the control device 100 performs the transmission beam sweeping 515, thereby performing the reception beam sweeping 525 at least. can be done once.
- control device 100 and the image display device 200 may form the transmission beam 510 and the reception beam 520 of a narrow radiation pattern, respectively.
- the control device 100 may determine a direction used for communication with the image display device 200 from among a plurality of directions in which the transmission beam sweeping 515 is performed. For example, the control device 100 selects a direction having the highest signal-to-noise ratio (SNR) among a plurality of directions in which the transmit beam sweeping 515 is performed, based on the communication performance results shown in Table 1 below, A direction used for communication with the display device 200 may be determined. For example, the control device 100 selects a direction in which a signal having the largest received signal strength (RSSI) is received among a plurality of directions in which the transmission beam sweeping 515 is performed, for communication with the image display device 200 . You can decide which direction to use.
- RSSI received signal strength
- the image display apparatus 200 when the front surface of the control apparatus 100 and the front surface of the image display apparatus 200 face each other, the image display apparatus 200 generates a reception beam in the front direction (-x-axis direction). Then, the control device 100 generates a transmission beam in the front direction (x-axis direction) and the result of performing the transmission beam sweeping 515 with respect to the front direction (x-axis direction), and the image display device 200 generates a transmission beam in the front direction (-x-axis direction), , is a table of results of the control device 100 performing the reception beam sweeping 515 in the front direction (x-axis direction).
- the image display device 200 may determine a direction used for communication with the control device 100 from among a plurality of directions in which the reception beam sweeping 525 is performed in the same manner as/similar to the control device 100 .
- control device 100 performs the transmit beam sweeping 515 and the image display device 200 performs the receive beam sweeping 525 , but the present invention is limited thereto. However, the control device 100 may perform reception beam sweeping to determine a direction used for communication with the image display device 200 .
- control device 100 may determine a distance and an angle between the control device 100 and the image display device 200 .
- the control device 100 based on at least one of the difference between the strength of the signal received from the image display device, the time when the signal is output from the control device 100 and the time when the signal is received from the image display device 200, A distance between the control device 100 and the image display device 200 may be determined.
- the control device 100 may determine, among the plurality of directions, an angle corresponding to a direction in which a transmission beam and/or a reception beam is generated through the second communication circuit as an angle between the control device 100 and an external electronic device. there is. In this case, the control device 100 may determine the angle between the control device 100 and the image display device 200 based on the direction in which the front of the control device 100 faces.
- the control apparatus 100 may transmit an image signal and/or an audio signal to the image display apparatus 200 in operation S403 .
- the control device 100 may transmit a control signal for controlling the operation of the image display device 200 through the first communication circuit using the first frequency band, and a second frequency higher than the first frequency band.
- a large-capacity image signal and/or an audio signal may be transmitted to the image display device 200 through the second communication circuit using the band.
- control device 100 may check whether a voice input, which is a target of voice recognition, is received through a microphone.
- control device 100 may generate and correct a compensation signal corresponding to the voice signal transmitted to the image display device 100 .
- the compensation signal may mean a signal corresponding to the sound output from the image display device 100 according to the audio signal.
- the control apparatus 100 processes the audio signal transmitted to the image display apparatus 100, and when the image display apparatus 100 outputs a sound according to the audio signal, it is assumed to be received through a microphone.
- a signal corresponding to the expected sound may be generated as a compensation signal.
- the compensation signal generated by the control device 100 is, when the control device 100 and the image display device 200 are located according to a preset distance (eg, 1 m) and an angle (eg, 0°), It may be a signal corresponding to a voice input expected to be received through the microphone. Also, the control device 100 may generate a compensation signal based on a set value (eg, volume, mono output, stereo output, etc.) set in relation to the sound output of the image display device 200 .
- a set value eg, volume, mono output, stereo output, etc.
- the control device 100 may correct the compensation signal based on the distance and angle between the control device 100 and the image display device 200 .
- the angle between the control device 100 and the image display device 200 may be 0°.
- control device 100 may correct the amplitude of the compensation signal to increase as the distance between the control device 100 and the image display device 200 increases, and the control device 100 and the image As the distance between the display devices 200 increases, the amplitude of the compensation signal may be corrected to decrease.
- the image display device when the distance between the control device 100 and the image display device 200 is d3 and the angle between the control device 100 and the image display device 200 is 0°, the image display device When 200 moves a predetermined distance in the y-axis direction, the distance between the control device 100 and the image display device 200 is d4, and the angle between the control device 100 and the image display device 200 can be changed to ⁇ . there is.
- control device 100 may determine that the angle between the control device 100 and the image display device 200 is ⁇ based on the direction used for communication with the image display device 200 .
- image display device 200 may determine that the angle between the control device 100 and the image display device 200 is ⁇ based on the direction used for communication with the control device 100 .
- the amplitude of the voice input corresponding to the sound output from the image display device 200 and input into the microphone of the control device 100 is decreased, and the phase of the voice input corresponding to the sound is changed in correspondence to the ⁇ angle.
- the image display device 200 since the image display device 200 outputs the sound toward the front direction (-x-axis direction), the phase of the voice input corresponding to the sound output from the image display device 200 may be changed in correspondence to the ⁇ angle. there is.
- control device 100 may correct the amplitude of the compensation signal to decrease as the distance between the control device 100 and the image display device 200 increases, and the control device 100 and the image It is possible to correct the phase of the compensation signal to change as much as the angle between the display devices 200 is changed.
- the image display device 200 moves a predetermined distance in the y-axis direction and then rotates so that the front side of the image display device 200 faces the control device 100 , the image display device ( Since the 200) outputs sound toward the front control device 100, the angle between the control device 100 and the image display device 200 needs to be changed to 0°.
- control device 100 may adjust an angle between the control device 100 and the image display device 200 based on data received from the image display device 200 .
- the control device 100 may change the direction used for communication with the control device 100 based on the data on the direction used for communication with the control device 100 received from the image display device 200 . It can be confirmed that the direction is 0°, and the angle between the control device 100 and the image display device 200 can be changed to 0°.
- the control device 100 may remove noise included in the voice input based on the corrected compensation signal.
- the noise may mean a portion other than the voice uttered by the user, the target of voice recognition, in the voice input.
- control device 100 may compare the voice input with the corrected compensation signal and remove a portion corresponding to the corrected compensation signal from among the voice input.
- the part corresponding to the corrected compensation signal removed from the voice input may mean a part corresponding to the sound output from the image display device 200 and inputted through the microphone of the control device 100 .
- control device 100 may perform voice recognition on the remaining part from which a part corresponding to the corrected compensation signal is removed during the voice input, and performs an operation corresponding to the result of performing the voice recognition can do.
- the control device 100 may determine whether to turn off the power of at least one of the control device 100 and the image display device 200 . For example, when a power on/off signal for at least one of the control device 100 and the image display device 200 is received from the remote control device 300, as a result of performing voice recognition, When it is determined that the user has uttered a power on/off command, the control device 100 turns on the power of at least one of the control device 100 and the image display device 200 . It can be decided to turn off (off).
- the control device 100 checks whether communication performance with respect to the image display device 200 is degraded when the power of the control device 100 and the image display device 200 is not turned off.
- the control device 100 may set the communication performance for the image display device 200 based on a preset reference, such as a signal-to-noise ratio (SNR), a received signal strength (RSSI), a transmission power of a transmitted signal, and the like. You can check whether the performance is below performance.
- SNR signal-to-noise ratio
- RSSI received signal strength
- control device 100 branches to operation S401 to re-establish communication connection with the image display device 200, and control The distance and angle between the device 100 and the image display device 200 may be determined again.
- control device 100 If the communication performance between the control device 100 and the video display device 200 is not deteriorated, it branches to operation S403, and the video signal and/or the audio signal can be continuously transmitted to the video display device 200, and the audio input is not performed. You can continuously check whether or not it has been received. Meanwhile, the control apparatus 100 may continue to transmit an image signal and/or an audio signal to the image display apparatus 200 while processing an audio input.
- FIG. 9 is a flowchart of an operating method of a control device according to another embodiment of the present invention
- FIG. 10 is a diagram referenced in the description of the operation of the control device. A detailed description of the content overlapping with the content described with reference to FIGS. 4 to 8 will be omitted.
- control device 100 may communicate with the image display device 200 through the external device interface unit 130 .
- the control device 100 may determine a distance and an angle between the control device 100 and the image display device 200 in operation S902 .
- the control apparatus 100 may transmit an image signal and/or an audio signal to the image display apparatus 200 in operation S903 .
- control device 100 may determine whether a voice input, which is a target of voice recognition, is received through a microphone.
- control apparatus 100 may generate and correct a compensation signal corresponding to the audio signal transmitted to the image display apparatus 100 .
- the control device 100 may remove noise included in the voice input based on the corrected compensation signal in operation S906 .
- control device 100 may determine whether voice recognition can be performed on the remaining part of the voice input from which the part corresponding to the corrected compensation signal is removed.
- control device 100 performs pre-processing on the remaining part of the voice input from which a part corresponding to the corrected compensation signal has been removed by using a method of extracting statistical features and classifying a voice section and a silence section. can do.
- the control device 100 may determine that it is impossible to perform voice recognition on the remaining part of the voice input.
- control device 100 uses a method based on Linear Predictive Coefficients (LPC) and a Mel Frequency Cepstral Coefficients (MFCC) extraction method, and the remaining portion of the voice input from which a portion corresponding to the corrected compensation signal is removed. It is possible to try to extract a feature vector effective for speech recognition from In this case, when a feature vector effective for voice recognition is not extracted from the remaining part of the voice input, the control device 100 may determine that voice recognition cannot be performed on the remaining part of the voice input.
- LPC Linear Predictive Coefficients
- MFCC Mel Frequency Cepstral Coefficients
- control device 100 may determine the location of the user when it is impossible to perform voice recognition on the remaining part of the voice input from which the part corresponding to the corrected compensation signal is removed.
- the control device 100 transmits the first signal of the mmWave band through at least one array antenna included in the second communication circuit, and receives a second signal, which is a signal in which the transmitted first signal is reflected back by the object.
- the operation of receiving through at least one array antenna may be performed in an omnidirectional direction.
- control device 100 may determine the types of objects disposed around the control device 100 based on the result of receiving the second signal in the omnidirectional direction, and You can check the object corresponding to the user among the objects placed in the .
- control device 100 controls based on a difference between a time point at which the first signal is transmitted toward the object corresponding to the user and a time point at which the second signal is reflected back by the object corresponding to the user.
- a distance between the device 100 and an object corresponding to the user may be calculated.
- the control device 100 in operation S909, based on the distance between the control device 100 and an object corresponding to the user, transmits a control signal for controlling the volume of the sound output from the image display device 100 to the image display device ( 100) can be transmitted.
- the control apparatus 100 may transmit a control signal for controlling the volume of the sound output from the image display apparatus 100 to the image display apparatus 100 through the first communication circuit.
- the amplitude of the voice input to the microphone of the control device 100 may be smaller.
- the control device 100 controls the sound output from the image display device 100 compared to the case where the distance is close to d5.
- the image display apparatus 100 may be controlled to lower the volume.
- the control device 100 transmits a control signal for controlling the volume of the sound output from the image display device 100 to the image display device 100 so that the user can utter the voice again. Inducing messages can be output. For example, the control device 100 may output a message inducing the user to utter a voice again through the audio output unit 185 .
- control device 100 performs voice recognition on the remaining part of the voice input when it is possible to perform voice recognition on the remaining part of the voice input from which the part corresponding to the corrected compensation signal is removed. and may perform an operation corresponding to the result of performing voice recognition.
- the control device 100 may determine whether to turn off the power of at least one of the control device 100 and the image display device 200 in operation S911 .
- control device 100 checks whether communication performance with respect to the image display device 200 is degraded when the power of the control device 100 and the image display device 200 is not turned off.
- control device 100 branches to operation S901 to re-establish communication connection with the image display device 200, and control The distance and angle between the device 100 and the image display device 200 may be determined again.
- control device 100 If the communication performance between the control device 100 and the video display device 200 is not degraded, it branches to operation S903, and the video signal and/or the audio signal can be continuously transmitted to the video display device 200, and the audio input is not performed. You can continuously check whether or not it has been received.
- the amplitude of the compensation signal corresponding to the sound output from the image display device 200 . , phase, and the like, and more accurately removing a portion corresponding to the sound from the voice input using the corrected compensation signal it is possible to improve the accuracy of voice recognition for the voice part uttered by the user.
- the position of the user uttering the voice is confirmed, and output from the image display device 200 according to the position of the user is displayed.
- the volume of the sound By controlling the volume of the sound to be lowered, it is possible to further improve the accuracy of voice recognition for the voice part spoken by the user.
- the method of operating an image display apparatus and/or control apparatus of the present invention can be implemented as processor-readable codes on a processor-readable recording medium provided in the image display apparatus and/or control apparatus.
- the processor-readable recording medium includes all types of recording devices in which data readable by the processor is stored. Examples of the processor-readable recording medium include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, etc., and also includes those implemented in the form of carrier waves such as transmission over the Internet. .
- the processor-readable recording medium is distributed in a computer system connected to a network, so that the processor-readable code can be stored and executed in a distributed manner.
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Abstract
Description
| 수평 각도 | 송신 전력 [dBm] | SNR [dB] |
| -45° | -34.9 | 18.5 |
| -30° | -34.5 | 19.3 |
| -15° | -31.8 | 20.6 |
| 0° | -29.7 | 21.4 |
| 15° | -30.4 | 21.3 |
| 30° | -31.3 | 20.1 |
| 45° | -32.2 | 20.8 |
Claims (20)
- 제어장치에 있어서,영상표시장치와 통신을 수행하는 외부장치 인터페이스부;마이크; 및제어부를 포함하고,상기 제어부는,상기 외부장치 인터페이스부를 통해 송수신되는 신호에 기초하여, 상기 제어장치와 상기 영상표시장치 간의 각도 및 거리를 판단하고,음성 입력이 상기 마이크를 통해 수신되는 경우, 상기 영상표시장치에 전송되는 음성신호에 대응하는 보상 신호를 생성하고,상기 판단된 각도 및 거리에 기초하여, 상기 보상 신호를 보정하고,상기 보정된 보상 신호에 기초하여, 상기 음성 입력을 처리하는 것을 특징으로 하는 제어장치.
- 제1항에 있어서,상기 보상 신호는, 상기 음성신호에 따라 상기 영상표시장치에서 출력되는 음향에 대응하는 신호이고,상기 제어부는,상기 보정된 보상 신호에 기초하여, 상기 음성 입력에서 상기 영상표시장치에서 출력되는 상기 음향에 대응하는 일부분을 제거하고,상기 일부분이 제거된 음성 입력에 대한 음성인식을 수행하는 것을 특징으로 하는 제어장치.
- 제2항에 있어서,상기 제어부는,상기 판단된 각도에 기초하여, 상기 보상 신호의 위상을 보정하고,상기 판단된 거리에 기초하여, 상기 보상 신호의 진폭을 보정하는 것을 특징으로 하는 제어장치.
- 제3항에 있어서,상기 외부장치 인터페이스부는, 복수의 안테나 소자를 구비하는 어레이 안테나를 적어도 하나 포함하고,상기 제어부는,복수의 방향 중, 상기 어레이 안테나를 통한 상기 영상표시장치와의 통신에 사용되는 방향을 결정하고,상기 결정된 방향에 기초하여, 상기 각도를 판단하는 것을 특징으로 하는 제어장치.
- 제4항에 있어서,상기 제어부는,상기 영상표시장치로부터 상기 제어장치와의 통신에 사용되는 방향에 대한 데이터를 수신하고,상기 수신된 방향에 대한 데이터에 기초하여, 상기 각도를 판단하는 것을 특징으로 하는 제어장치.
- 제5항에 있어서,상기 제어부는,상기 영상표시장치로부터 수신되는 신호의 세기 및 상기 제어장치에서 신호가 출력된 시점과 상기 영상표시장치에서 신호를 수신한 시점 간의 차이 중 적어도 하나에 기초하여, 상기 거리를 판단하는 것을 특징으로 하는 제어장치.
- 제6항에 있어서,상기 외부장치 인터페이스부는,제1 주파수 대역을 사용하는 제1 통신회로; 및상기 제1 주파수 대역보다 높은 제2 주파수 대역을 사용하는 제2 통신회로를 포함하고,상기 제어부는,상기 제1 통신회로를 통해, 상기 영상표시장치에 제어 신호를 전송하고,상기 제2 통신회로를 통해, 상기 영상표시장치에 영상신호 및 상기 음성신호를 중 적어도 하나를 전송하는 것을 특징으로 하는 제어장치.
- 제7항에 있어서,상기 제1 주파수 대역은, 2.4GHz 대역 및 5GHz 대역 중 적어도 하나를 포함하고,상기 제2 주파수 대역은, 25GHz 내지 100GHz의 주파수 대역 중 적어도 일부를 포함하는 것을 특징으로 하는 제어장치.
- 제4항에 있어서,상기 제어부는,상기 외부장치 인터페이스부를 통해 송수신되는 신호에 기초하여, 사용자에 대응하는 객체와 상기 제어장치 간의 거리를 산출하고,상기 음성인식에 실패한 경우, 상기 사용자에 대응하는 객체와 상기 제어장치 간의 거리에 기초하여, 상기 영상표시장치에서 출력되는 음향의 음량을 낮추는 제어신호를 상기 영상표시장치에 전송하는 것을 특징으로 하는 제어장치.
- 제9항에 있어서,상기 제어부는,상기 어레이 안테나를 통해 제1 신호를 송신하고, 상기 제1 신호가 객체에 의해 반사된 신호인 제2 신호를 상기 어레이 안테나를 통해 수신하는 동작을, 전방향에 대하여 수행하고,상기 전방향에 대하여 상기 제2 신호를 수신한 결과에 기초하여, 상기 사용자에 대응하는 객체와 상기 제어장치 간의 거리를 산출하는 것을 특징으로 하는 제어장치.
- 영상표시장치 및 제어장치를 포함하는 시스템에 있어서,상기 영상표시장치는, 상기 제어장치로부터 수신되는 음성신호에 기초하여, 적어도 하나의 스피커를 통해 음향을 출력하고,상기 제어장치는,상기 영상표시장치와 상호 간에 송수신하는 신호에 기초하여, 상기 제어장치와 상기 영상표시장치 간의 각도 및 거리를 판단하고,상기 제어장치의 마이크를 통해 음성 입력이 수신되는 경우, 상기 영상표시장치에 전송되는 상기 음성신호에 대응하는 보상 신호를 생성하고,상기 판단된 각도 및 거리에 기초하여, 상기 보상 신호를 보정하고,상기 보정된 보상 신호에 기초하여, 상기 음성 입력을 처리하는 것을 특징으로 하는 시스템.
- 제11항에 있어서,상기 보상 신호는, 상기 음성신호에 따라 상기 영상표시장치에서 출력되는 상기 음향에 대응하는 신호이고,상기 제어장치는,상기 보정된 보상 신호에 기초하여, 상기 음성 입력에서 상기 영상표시장치에서 출력되는 상기 음향에 대응하는 일부분을 제거하고,상기 일부분이 제거된 음성 입력에 대한 음성인식을 수행하는 것을 특징으로 하는 시스템.
- 제12항에 있어서,상기 제어장치는,상기 판단된 각도에 기초하여, 상기 보상 신호의 위상을 보정하고,상기 판단된 거리에 기초하여, 상기 보상 신호의 진폭을 보정하는 것을 특징으로 하는 시스템.
- 제13항에 있어서,상기 영상표시장치와 상기 제어장치는, 복수의 안테나 소자를 구비하는 적어도 하나의 어레이 안테나를 각각 포함하고,상기 제어장치는,복수의 방향 중, 상기 어레이 안테나를 통한 상기 영상표시장치와의 통신에 사용되는 제1 방향을 결정하고,상기 제1 방향에 기초하여, 상기 각도를 판단하는 것을 특징으로 하는 시스템.
- 제14항에 있어서,상기 영상표시장치는,복수의 방향 중, 상기 어레이 안테나를 통한 상기 제어장치와의 통신에 사용되는 제2 방향을 결정하고,상기 제2 방향에 대한 데이터를 상기 제어장치에 전송하고,상기 제어장치는, 상기 영상표시장치로부터 수신되는 상기 제2 방향에 대한 데이터에 기초하여, 상기 각도를 판단하는 것을 특징으로 하는 시스템.
- 제15항에 있어서,상기 제어장치는,상기 영상표시장치로부터 수신되는 신호의 세기 및 상기 제어장치에서 신호가 출력된 시점과 상기 영상표시장치에서 신호를 수신한 시점 간의 차이 중 적어도 하나에 기초하여, 상기 거리를 판단하는 것을 특징으로 하는 시스템.
- 제16항에 있어서,상기 영상표시장치와 상기 제어장치는,제1 주파수 대역을 사용하는 제1 통신회로; 및상기 제1 주파수 대역보다 높은 제2 주파수 대역을 사용하는 제2 통신회로를 각각 포함하고,상기 제어장치는,상기 제1 통신회로를 통해, 상기 영상표시장치에 제어신호를 전송하고,상기 제2 통신회로를 통해, 상기 영상표시장치에 영상신호 및 상기 음성신호를 중 적어도 하나를 전송하는 것을 특징으로 하는 시스템.
- 제17항에 있어서,상기 제1 주파수 대역은, 2.4GHz 대역 및 5GHz 대역 중 적어도 하나를 포함하고,상기 제2 주파수 대역은, 25GHz 내지 100GHz의 주파수 대역 중 적어도 일부를 포함하는 것을 특징으로 하는 시스템.
- 제14항에 있어서,상기 제어장치는,상기 제어장치에서 송수신되는 신호에 기초하여, 사용자에 대응하는 객체와 상기 제어장치 간의 거리를 산출하고,상기 음성인식에 실패한 경우, 상기 사용자에 대응하는 객체와 상기 제어장치 간의 거리에 기초하여, 상기 영상표시장치에서 출력되는 음향의 음량을 낮추는 제어신호를 상기 영상표시장치에 전송하고,상기 영상표시장치는,상기 제어장치로부터 수신되는 상기 제어신호에 기초하여, 상기 스피커에서 출력되는 상기 음향의 음량이 낮아지도록 조절하는 것을 특징으로 하는 시스템.
- 제19항에 있어서,상기 제어장치는,상기 어레이 안테나를 통해 제1 신호를 송신하고, 상기 제1 신호가 객체에 의해 반사된 신호인 제2 신호를 상기 어레이 안테나를 통해 수신하는 동작을, 전방향에 대하여 수행하고,상기 전방향에 대하여 상기 제2 신호를 수신한 결과에 기초하여, 상기 사용자에 대응하는 객체와 상기 제어장치 간의 거리를 산출하는 것을 특징으로 하는 시스템.
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| EP20954221.6A EP4216214A4 (en) | 2020-09-21 | 2020-09-21 | CONTROL DEVICE AND SYSTEM INCLUDING IT |
| US18/246,104 US12356037B2 (en) | 2020-09-21 | 2020-09-21 | Controller and system comprising same |
| PCT/KR2020/012722 WO2022059825A1 (ko) | 2020-09-21 | 2020-09-21 | 제어장치 및 이를 포함하는 시스템 |
| KR1020237008701A KR102909522B1 (ko) | 2020-09-21 | 2020-09-21 | 제어장치 및 이를 포함하는 시스템 |
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| KR20120072243A (ko) * | 2010-12-23 | 2012-07-03 | 한국전자통신연구원 | 음향/음성 인식을 위한 잡음 제거 장치 및 그 방법 |
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| KR102398390B1 (ko) * | 2017-03-22 | 2022-05-16 | 삼성전자주식회사 | 전자 장치 및 전자 장치의 제어 방법 |
| CN110678922A (zh) * | 2017-12-06 | 2020-01-10 | 谷歌有限责任公司 | 闪避和擦除来自附近设备的音频 |
| KR102889818B1 (ko) * | 2018-01-03 | 2025-11-26 | 유니버샬 일렉트로닉스 인코포레이티드 | 제어 장치에서 음성 입력을 지시하는 장치, 시스템 및 방법 |
| KR20200043128A (ko) * | 2018-10-17 | 2020-04-27 | 삼성전자주식회사 | 전자장치 및 그 제어방법 |
| KR102568765B1 (ko) * | 2018-11-19 | 2023-08-22 | 삼성전자주식회사 | 안테나 모듈을 포함하는 전자 장치 |
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- 2020-09-21 KR KR1020237008701A patent/KR102909522B1/ko active Active
- 2020-09-21 EP EP20954221.6A patent/EP4216214A4/en active Pending
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| EP4216214A4 (en) | 2024-05-01 |
| EP4216214A1 (en) | 2023-07-26 |
| KR20230053630A (ko) | 2023-04-21 |
| US20230370671A1 (en) | 2023-11-16 |
| US12356037B2 (en) | 2025-07-08 |
| KR102909522B1 (ko) | 2026-01-07 |
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