CN115484480A - Remote control device and display control system - Google Patents
Remote control device and display control system Download PDFInfo
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- CN115484480A CN115484480A CN202211000030.3A CN202211000030A CN115484480A CN 115484480 A CN115484480 A CN 115484480A CN 202211000030 A CN202211000030 A CN 202211000030A CN 115484480 A CN115484480 A CN 115484480A
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- 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
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
- H04N21/41265—The peripheral being portable, e.g. PDAs or mobile phones having a remote control device for bidirectional communication between the remote control device and client device
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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
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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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
- G10L15/00—Speech recognition
- G10L15/26—Speech to text systems
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- 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
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- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/223—Execution procedure of a spoken command
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- Multimedia (AREA)
- Computational Linguistics (AREA)
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Abstract
The invention discloses a remote control device and a display control system, wherein the remote control device comprises: the midfield voice receiving module is configured to receive midfield voice input by a user; the voice processing module is connected with the midfield voice receiving module and is configured to check the midfield voice awakening words; the data transmission module is connected with the voice processing module, is configured to receive voice data sent by the voice processing module and is in communication connection with a display device. The embodiment of the invention realizes midfield voice interaction between the remote control equipment and the display equipment, namely, the voice interaction between the remote control equipment and the display equipment can be realized through the remote control equipment without pressing a button on the remote control equipment by a user, so that the interaction process is more convenient and faster, and the use experience of the user is optimized.
Description
Technical Field
The invention relates to the technical field of remote control. And more particularly, to a remote control device and a display control system.
Background
Along with the development of artificial intelligence technology, the interaction mode is changing continuously. From simple interaction to a plurality of interaction modes, the role played by voice interaction is more and more obvious. For example, in an application scenario of the display device, a user may input a voice instruction to the remote control device, the remote control transmits the voice instruction to the display device, and the display device performs a corresponding subsequent operation in response to the voice instruction input by the user.
At present, when a user needs to perform voice interaction with corresponding display equipment through remote control equipment, the user needs to press a voice input button on the remote control equipment and then input a voice instruction to the remote control equipment, so that near-field voice interaction between the remote control equipment and the display equipment is realized. However, the operation of pressing the button in the near-field voice interaction manner is cumbersome, and the use experience of the user is affected.
Disclosure of Invention
In order to solve the problems set forth in the background art, embodiments of the present invention provide a remote control device and a display control system, which implement midfield voice interaction between the remote control device and a display device, so that the interaction process is more convenient and faster, and the user experience is optimized.
In a first aspect, the present invention provides a remote control device comprising:
the midfield voice receiving module is configured to receive midfield voice input by a user;
the voice processing module is connected with the midfield voice receiving module and is configured to check the midfield voice awakening words;
the data transmission module is connected with the voice processing module, is configured to receive the voice data sent by the voice processing module and is in communication connection with a display device.
In a second aspect, the present invention further provides a display control system, including a display device and the remote control device according to the first aspect, wherein the display device and the remote control device are connected in communication.
As can be seen from the above technical solutions, the remote control device according to the embodiment of the present invention includes: the midfield voice receiving module is configured to receive midfield voice input by a user; the voice processing module is connected with the midfield voice receiving module and is configured to check the midfield voice awakening words; the data transmission module is connected with the voice processing module and is configured to acquire voice and be in communication connection with a display device. Therefore, the embodiment of the invention realizes midfield voice interaction between the remote control equipment and the display equipment, namely, the voice interaction between the remote control equipment and the display equipment can be realized through the remote control equipment without pressing a button on the remote control equipment by a user, so that the interaction process is more convenient and faster, and the use experience of the user is optimized.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
FIG. 1 is a schematic diagram illustrating an operational scenario between a display device and a remote control device in accordance with an exemplary embodiment of the present invention;
fig. 2 is a block diagram illustrating a configuration of a display device according to an exemplary embodiment of the present invention;
FIG. 3 is a front view block diagram illustrating the appearance of a remote control device in accordance with an exemplary embodiment of the present invention;
FIG. 4 is a schematic diagram of a remote control device according to an exemplary embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a near-field voice receiving module of a remote control device according to an exemplary embodiment of the present invention;
FIG. 6 is a schematic diagram of a circuit configuration of a first midfield voice receiving module of a remote control device according to an exemplary embodiment of the present invention;
fig. 7 is a schematic circuit configuration diagram of a second midfield voice receiving module of a remote control device according to an exemplary embodiment of the present invention;
fig. 8 is a schematic diagram of a power switch module according to an exemplary embodiment of the present invention;
FIG. 9 is a schematic diagram illustrating an external side view configuration of a remote control device in accordance with an exemplary embodiment of the present invention;
FIG. 10 is a block diagram illustrating a speech processing module according to an exemplary embodiment of the present invention;
fig. 11 is a schematic structural diagram of a data transmission module according to an exemplary embodiment of the present invention;
fig. 12 is a schematic structural diagram illustrating an infrared expansion module according to an exemplary embodiment of the present invention;
fig. 13 is a schematic structural diagram illustrating a display control system according to an exemplary embodiment of the present invention.
Detailed Description
To make the objects and embodiments of the present invention clearer, the following description of exemplary embodiments of the present invention will clearly and completely describe the exemplary embodiments of the present invention with reference to the accompanying drawings in the exemplary embodiments of the present invention, and it is obvious that the described exemplary embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
It should be noted that the brief descriptions of the terms in the present invention are only for the convenience of understanding the embodiments described below, and are not intended to limit the embodiments of the present invention. These terms should be understood in their ordinary and customary meaning unless otherwise indicated.
The terms "first," "second," "third," and the like in the description and in the claims, as well as in the drawings, are used for distinguishing between similar or analogous objects or entities and not necessarily for describing a particular sequential or chronological order, unless otherwise indicated. It is to be understood that the terms so used are interchangeable under appropriate circumstances.
The terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a product or apparatus that comprises a list of elements is not necessarily limited to all elements expressly listed, but may include other elements not expressly listed or inherent to such product or apparatus.
Fig. 1 is a schematic diagram illustrating an operation scenario between a display device and a remote control device according to an exemplary embodiment of the present invention. As shown in fig. 1, the user may operate the display device 200 through the smart device 300 or the remote control device 100. The display device provided by the embodiment of the invention can have various implementation forms, for example, a television, a smart television, a laser projection device, a display (monitor), an electronic whiteboard (electronic whiteboard), an electronic desktop (electronic table), and the like.
In some embodiments, the remote control device 100 may be a remote control, and the communication between the remote control device 100 and the display device 200 may include infrared protocol communication or bluetooth protocol communication, and other short-range communication methods, and the display device 200 may be controlled by wireless or wired methods. The user may input a user instruction through a key input, a voice input, a control panel input, etc. on the remote control device 100 to control the display device 200. The remote control device 100 may receive an input operation instruction from a user, and the remote control device 100 converts the operation instruction into an instruction recognizable and responsive to the display device 200 to mediate interaction between the user and the display device 200.
In some embodiments, the smart device 300, such as a mobile terminal, a tablet, a computer, a laptop, etc., may also be used to control the display device 200. For example, the display device 200 is controlled using an application program running on the smart device.
In some embodiments, the display device 200 may not receive instructions using the smart device or the control device described above, but receive control of the user through touch or gesture, or the like.
In some embodiments, the display device 200 may be controlled in a manner other than the remote control device 100 and the smart device 300, for example, the voice command control of the user may be directly received by a module configured inside the display device 200 and configured to obtain the voice command, or may be received by a voice control device provided outside the display device 200.
In some embodiments, the display device 200 is also in data communication with a server 400. The display device 200 may be allowed to communicatively connect via a Local Area Network (LAN), a Wireless Local Area Network (WLAN), and other networks. The server 400 may provide various contents and interactions to the display apparatus 200. The server 400 may be a cluster or a plurality of clusters, and may include one or more types of servers.
Fig. 2 is a block diagram illustrating a configuration of a display apparatus according to an exemplary embodiment of the present invention. As shown in fig. 2, the display apparatus 200 includes at least one of a tuner demodulator 210, a communicator 220, a detector 230, an external device interface 240, a controller 250, a display 260, an audio output interface 270, a memory, a power supply, and a user interface.
In some embodiments, the controller 250 includes a processor, a video processor, an audio processor, a graphic processor, a RAM, a ROM, a first interface to an nth interface for input/output.
The display 260 is used for displaying an interface, and includes a display screen component for displaying pictures, and a driving component for driving image display, and is used for receiving image signals from the controller output, displaying video content, image content and a menu manipulation interface, and manipulating a UI interface by a user.
The display 260 may be a liquid crystal display, an OLED display, and a projection display, and may also be a projection device and a projection screen.
The communicator 220 is a component for communicatively connecting with an external device or a server according to various communication protocol types. For example: the communicator may include at least one of a Wifi module, a bluetooth module, a wired ethernet module, and other network communication protocol chips or near field communication protocol chips, and an infrared receiver. The display apparatus 200 can be communicatively connected with the remote control apparatus 100 or the server 400 through the communicator 220, i.e., establish transmission and reception of control signals and data signals.
A user interface operable to receive control signals from a remote control device 100 (e.g., an infrared remote control device, etc.).
The detector 230 is used to collect an external environment or to collect a signal interacting with the outside. For example, detector 230 includes a light receiver, a sensor for collecting the intensity of ambient light; alternatively, the detector 230 includes an image collector, such as a camera, which may be used to collect external environment scenes, attributes of the user, or user interaction gestures, or the detector 230 includes a sound collector, such as a microphone, which is used to receive external sounds.
The external device interface 240 may include, but is not limited to, the following: high Definition Multimedia Interface (HDMI), analog or data high definition component input interface (component), composite video input interface (CVBS), USB input interface (USB), RGB port, and the like. Or may be a composite input/output interface formed by the plurality of interfaces.
The tuner demodulator 210 receives a broadcast television signal through wired or wireless reception and demodulates an audio/video signal, such as an EPG data signal, from a plurality of wireless or wired broadcast television signals.
In some embodiments, the controller 250 and the modem 210 may be located in different separate devices, that is, the modem 210 may also be located in an external device of the main device where the controller 250 is located, such as an external set-top box.
The controller 250 controls the operation of the display device and responds to the user's operation through various software control programs stored in the memory. The controller 250 controls the overall operation of the display apparatus 200. For example: in response to receiving a user instruction for selecting a UI object to be displayed on the display 260, the controller 250 may perform an operation related to the object selected by the user instruction.
In some embodiments, the controller 250 includes at least one of a Central Processing Unit (CPU), a video processor, an audio processor, a Graphic Processing Unit (GPU), a RAM Random Access Memory (RAM), a ROM (Read-Only Memory), a first interface to an nth interface for input/output, a communication Bus (Bus), and the like.
A user may input a user instruction on a Graphical User Interface (GUI) displayed on the display 260, and the user input interface receives the user input instruction through the Graphical User Interface (GUI). Alternatively, the user may input the user command by inputting a specific sound or gesture, and the user input interface receives the user input command by recognizing the sound or gesture through the sensor.
The user interface is a medium interface for interaction and information exchange between an application program or an operating system and a user, and realizes conversion between an internal form of information and a form acceptable to the user. A commonly used presentation form of the User Interface is a Graphical User Interface (GUI), which refers to a User Interface related to computer operations and displayed in a graphical manner. It may be an interface element such as an icon, a window, a control, etc. displayed in the display screen of the electronic device, where the control may include a visual interface element such as an icon, a button, a menu, a tab, a text box, a dialog box, a status bar, a navigation bar, a Widget, etc.
With the rapid development of display devices, remote control devices are rapidly popularized, and the remote control devices are used in batches on more and more terminal devices as general short-distance wireless control devices. Along with the popularization of the use of remote control equipment, the application of the remote control equipment is more and more extensive, how the remote control equipment better optimizes the interactive operation with a user so as to be convenient for the user to use, and how to improve the operation experience of the user is a problem that the remote control equipment needs to be considered intensively at present.
Currently, some remote control devices have a voice function, for example, when a user needs to perform voice interaction with a corresponding display device, such as a television, through a remote control device, for example, a remote controller, the user may press a voice input button on the remote control device and input a voice instruction to the remote control device while pressing the voice input button, the remote control device is in short-distance wireless communication connection with the display device, the remote control device receives the voice instruction and sends the voice instruction to the corresponding display device, and the display device performs an operation corresponding to the voice instruction, so as to complete near-field voice interaction between the remote control device and the display device. However, the operation of pressing the button in the near-field voice interaction mode is cumbersome, and the use experience of the user is affected.
Based on the above problems, embodiments of the present invention provide a remote control device capable of implementing midfield voice interaction. The method is different from a near-field voice mode, the midfield voice interaction mode is that a user does not need to press any key on the remote control device before inputting a voice instruction, the remote control device can be set to recognize a preset midfield voice awakening word, when the user inputs the preset midfield voice awakening word to the remote control device, the remote control device recognizes the preset midfield voice awakening word and starts a midfield voice function, the remote control device is also connected with the display device in short-distance wireless communication, the subsequent remote control device can receive the voice instruction sent by the user and sends the voice instruction to the corresponding display device, and the display device executes the operation corresponding to the voice instruction to complete midfield voice interaction between the remote control device and the display device, so that the voice interaction process of the user is more convenient, and the use experience of the user is further optimized.
In the near-field voice mode, a user inputs voice by pressing a button on the remote control device, and the user is close to the remote control device. In the midfield voice mode, a user can input voice without pressing the remote control device, and the remote control device can be located in a region between the user and the display device. In addition, the display device, for example, a television end, may also implement far-field sound pickup, that is, a microphone is disposed in the display device, so that the display device directly checks far-field speech input by a user and receives a subsequent far-field speech instruction after determining that a valid wake-up word is intercepted. The voice input distance corresponding to the mid-field voice pattern is defined relative to the voice input distance corresponding to the far-field voice pattern. However, in order to implement the far-field sound pickup process, a plurality of microphones for remote sound pickup are required to be arranged in an area of an appearance panel on the front side of the display device, such as but not limited to a lower area, which causes the appearance of the display device to be affected, and affects the use experience of a user.
It should be noted that the concept of mid-field speech control is proposed based on the existing near-field speech control and far-field speech control, which means that the user does not need to manually press the keys of the remote control device, and only needs to speak at a certain distance from the remote control device to realize the speech control scenario.
In order to solve the above technical problems, in the embodiment of the present invention, a midfield voice receiving module and a voice processing module are used at a remote control device end to implement midfield voice interaction with a user, and the user does not need to press any key on the remote control device before inputting a voice instruction, and does not need to set a microphone that affects the appearance of the display device end, so that the voice interaction with the display device can be implemented through the remote control device.
Fig. 3 is a front view structural diagram illustrating an appearance of a remote control device according to an exemplary embodiment of the present invention. As shown in fig. 3, the remote control device capable of realizing midfield voice interaction includes a midfield voice receiving module and a near-field voice receiving module, and the midfield voice receiving module and the near-field voice receiving module are microphones, for example. Illustratively, three microphone holes are provided on the remote control device shown in fig. 3, and a microphone is correspondingly provided at each microphone hole for picking up sound. In fig. 3, a first microphone is correspondingly disposed at the microphone hole mic0 at the upper left corner, which corresponds to one midfield speech receiving module, for example, a first midfield speech receiving module, a second microphone is correspondingly disposed at the microphone hole mic at the upper right corner, which corresponds to a near-field speech receiving module, a third microphone is correspondingly disposed at the microphone hole mic1 at the lower side, which corresponds to a midfield speech receiving module, for example, a second midfield speech receiving module.
Therefore, after the user selects to start the midfield voice function of the remote control device, the midfield voice receiving module, for example, the first microphone corresponding to the microphone hole mic0 and the third microphone corresponding to the microphone hole mic1 in fig. 3, listens to the voice input of the user in real time. When a user inputs a preset midfield voice awakening word to the remote control device, the remote control device recognizes the preset midfield voice awakening word, the midfield voice function is awakened, the remote control device is connected with the display device in short-distance wireless communication, the remote control device can subsequently receive a voice instruction sent by the user and send the voice instruction to the corresponding display device, and the display device executes the operation corresponding to the voice instruction so as to complete midfield voice interaction with the display device through the remote control device. The user does not need to press any keys on the remote control device in this process.
It should be noted that, in the present application, two microphones operate in the midfield voice mode, but the present invention is not limited thereto, and one or more microphones may be used as long as the voice input of the user can be intercepted in real time, and meanwhile, the sound pickup apparatus is not limited to the microphone.
Fig. 4 is a schematic diagram illustrating a configuration of a remote control device according to an exemplary embodiment of the present invention. As shown in fig. 4, the remote control device includes a near-field voice receiving module 510, which may also be referred to as a first voice receiving module, configured to receive near-field voice input by a user, that is, a first voice, and the user inputs the near-field voice by pressing a key on the remote control device; the midfield voice receiving module 520, also referred to as a second voice receiving module, is configured to receive the midfield voice input by the user, i.e., the second voice, and the user does not need to manually press a key but only needs to speak at a place away from the remote control device by a certain distance; a voice processing module 530 electrically connected to the midfield voice receiving module 520 and configured to check the midfield voice wakeup word; and the data transmission module 540 is electrically connected with the near-field voice receiving module 510 and the voice processing module 530 respectively, and is configured to load the voice model and the voice driving firmware into the voice processing module 530, and receive the voice data sent by the voice processing module and the near-field voice receiving module and be in communication connection with the display device.
In some embodiments of the present application, the data transmission module 540 is a functional module that transmits data information through bluetooth, and the data transmission module 540 packages the operation key data and sends the operation key data to the display Device through an HID (Human Interface Device) data channel. The data transmission module 540 may transmit data to the data receiving module through a transmission medium, for example, a wired or wireless manner, and the data transmission module 540 needs to have a data transmission or transmission function, but the data transmission module 540 is not limited to a specific device, and may be a functional module or a logical data channel.
In some embodiments of the present invention, the data transmission module 540 is a bluetooth module. In addition, the data transmission module 540 may also be an infrared module. In some embodiments, the remote control device has functions of mouse, voice, button, infrared, etc., and the button control mode of the remote control device includes two working modes of bluetooth and infrared, which can be used alone or automatically switched to the infrared working mode when the bluetooth mode is not connected. The display device can receive the data packet sent by the remote control device in real time through the Bluetooth module or the infrared module, and perform data screening, recombination, transformation and other operations on the data contained in the received data packet according to the instruction of the user operation.
In some embodiments, as shown in fig. 5, a remote control device may be further configured to connect to a plug-in storage module 550 according to embodiments of the present invention.
In some embodiments of the present application, the plug-in storage module 550 is a plug-in flash memory, the plug-in storage module 550 is in communication connection with the data transmission module 540, and the plug-in storage module 550 is configured to store a plurality of voice models and driving firmware corresponding to the voice models. The remote control device receives a model switching instruction sent by the display device, the data transmission module 540 can intelligently extract a required voice model and a corresponding required voice driving firmware preset in the plug-in storage module 550, namely, the plug-in storage module 550 is utilized to select and operate a program corresponding to one voice model and one voice driving firmware according to the model switching instruction sent by the display device, so that the problem that the power consumption of the remote control device is increased due to the fact that a plurality of voice models and corresponding voice driving firmware are stored in the voice processing module 530 to realize multi-voice model switching, and the voice programs corresponding to the plurality of voice models and the voice driving firmware operate simultaneously is avoided.
In some embodiments, fig. 5 is a schematic circuit structure diagram of a near-field voice receiving module of a remote control device according to an exemplary embodiment of the present invention, fig. 6 is a schematic circuit structure diagram of a first midfield voice receiving module of a remote control device according to an exemplary embodiment of the present invention, and fig. 7 is a schematic circuit structure diagram of a second midfield voice receiving module of a remote control device according to an exemplary embodiment of the present invention.
With reference to fig. 4 and fig. 5 to 7, the remote control device has three voice receiving modules, e.g. microphone designs, configured to implement the near field voice function and the mid field voice function of the remote control device, respectively.
The near-field speech receiving module 510 shown in fig. 5 and including the microphone Chip N12 is used to implement the near-field speech function of the remote control device, and its corresponding speech signal output terminals MIC + and MIC-are connected to the data transmission module 540 in the remote control device, i.e. On the bluetooth SOC (System On Chip), and the data transmission module 540 controls the remote control device to implement the near-field speech function.
The voice processing process corresponding to the near-field voice function comprises the following steps: after a user presses a key corresponding to near-field voice on the remote control device, the microphone chip N12 receives a voice instruction input by the user and transmits the voice instruction to the data transmission module 540, the data transmission module 540 compresses the voice instruction, the compressed voice instruction is sent to the display device by using short-distance wireless communication connection with the display device, and the display device decodes and presets the voice instruction, so that near-field voice control of the remote control device on the display device is realized.
A first midfield voice receiving module including a microphone chip N4 shown in fig. 6 and a second midfield voice receiving module including a microphone chip N11 shown in fig. 7 are used for implementing the midfield voice function of the remote control device, and the corresponding voice Signal output ends MIC0_ P and MIC0_ N, MIC1_ P and MIC1_ N are connected to a voice Processing module 530 in the remote control device, that is, on a DSP (Digital Signal Processing) chip, and the voice Processing module 530 controls the remote control device to implement the midfield voice function.
The voice processing process corresponding to the midfield voice comprises the following steps: the microphone chip N4 and the microphone chip N11 listen to the voice input by the user in real time and transmit the voice to the voice processing module 530, and the voice processing module 530 is configured to determine whether the received voice input by the user contains a valid midfiend voice wake-up word. If the voice command contains the effective midfield voice awakening word, the voice processing module 530 transmits the voice command input by the awakened user to the data transmission module 540, the data transmission module 540 compresses the voice command, the compressed voice command is sent to the display device through short-distance wireless communication connection with the display device, and the display device decodes and presets the voice command, so that midfield voice control of the display device through the remote control device is realized. In addition, the voice processing module 530 may perform noise reduction processing on the received voice data.
With reference to fig. 5 to 6, no matter the microphone chip N12 for implementing near field voice communication or the microphone chip N4 and the microphone chip N11 for implementing midfield voice communication are both correspondingly provided with a noise reduction circuit formed by a resistor and a capacitor, and the noise reduction circuit is configured to perform noise reduction processing on voice data received by the microphone chip so as to improve accuracy of voice control.
It should be noted that fig. 5 to fig. 7 only exemplarily show one possible peripheral noise reduction circuit of a microphone chip, and the embodiment of the present invention does not specifically limit the electronic components included in the peripheral noise reduction circuit of the microphone chip and the connection relationship of the electronic components.
Based on the foregoing description of the principle of implementing the midfield voice mode on the remote control device, when the remote control device is in the midfield voice mode, in order to check the midfield voice wakeup word which may be input by the user at any time, the remote control device needs to be always in the midfield voice check state, which causes that any voice input by the user can be intercepted by the remote control device, causes poor confidentiality in the use process of the remote control device, cannot ensure that the personal privacy of the user is not revealed, and causes poor user experience.
In order to solve the foregoing technical problem, as shown in fig. 5, an embodiment of the present invention may further provide that the remote control device includes a power switch module 550, the voice processing module 530 is electrically connected to the power switch module 550, and the power switch module 550 is configured to control whether to supply power to the voice processing module 530 and the midfield voice receiving module 520 according to an operation of the power switch module 550 by a user, so as to turn on or off a midfield voice mode of the remote control device.
In some embodiments, the user can control whether the midfield voice function of the remote control device is turned off through the power switch module 550 by manual operation, i.e., physical switching, of the power switch module 550, for example, the user can turn off the midfield voice function of the remote control device through the power switch module 550 when there is a privacy requirement for personal privacy voice, so that the privacy of the remote control device in the use process can be improved, the personal privacy of the user is ensured not to be leaked, and the use experience of the user is optimized.
Fig. 8 is a schematic structural diagram of a power switch module according to an exemplary embodiment of the present invention. With reference to fig. 5 and fig. 8, the power switch module 550 includes a switch controller SWT1 and a first switch V4, a switch control end MS of the switch controller SWT1 is electrically connected to a control end of the first switch V4, a first end of the first switch V4 is connected to the first power signal VCC1V8, and a second end of the first switch V4 is electrically connected to a first power end of the voice processing module 530.
In some embodiments, corresponding to the turning on of the midfield voice function, the switch controller SWT1 outputs, for example, a low-level switch control signal to the control terminal of the first switch V4 in the power switch module 550 through the switch control terminal MS, where the first switch V4 is, for example, but not limited to, a transistor, and the control terminal of the first switch V4 is a gate of the transistor, so as to control the first switch V4 to be turned on, the first power signal VCC1V8 accessed on the left side supplies power to the VDD18 power port on the right side, and the VDD18 power port is configured to supply power to the voice processing module 530, i.e., so as to enable the voice processing module 530 to be electrically operated, and referring to fig. 6 and 7, the vdd18 power port is connected to the midfield voice receiving module 520, i.e., the VDD _ power OUT port of the midfield voice microphone, through the voltage adjusting module, so as to enable the midfield voice receiving module 520, i.e., the midfield voice microphone to be electrically operated, referring to the foregoing embodiments, the midfield voice function of the remote control device can be implemented.
Correspondingly, when the midfield voice function is turned off, the switch controller SWT1 outputs, for example, a high-level switch control signal to the control terminal of the first switch V4 in the power switch module 550 through the switch control terminal MS, so as to control the first switch V4 to be turned off, the left-side first power signal VCC1V8 cannot supply power to the right-side VDD18 power port, the voice processing module 530 is powered off and cannot operate, and referring to fig. 6 and 7, the vdd18 power port is connected to the midfield voice receiving module 520, that is, VDD _ OUT of the midfield voice microphone is connected through the voltage adjusting module, so that the midfield voice receiving module 520, that is, the midfield voice microphone cannot operate, referring to the above embodiment, at this time, the midfield voice function of the remote control device is turned off, the near field voice function can be turned on, the confidentiality during the use of the remote control device can be improved, it is ensured that no leakage occurs in personal privacy of a user, and the user experience of use is optimized.
Therefore, when the midfield voice function of the remote control device needs to be turned off, the control voice processing module 530 and the midfield voice receiving module 520 are powered off at the same time, and the power consumption of the remote control device when the midfield voice function is turned off can be reduced to the greatest extent compared with the situation that only the voice processing module 530 is controlled to be powered off or only the midfield voice receiving module 520 is controlled to be powered off. It should be noted that, in the voltage regulation module described in the above embodiment, the voltage regulation input terminal is electrically connected to the VDD18 power port, the voltage regulation output terminal is electrically connected to the VDD _ OUT power port, and the voltage regulation module is configured to regulate the voltage of the electrical signal input by the VDD18 power port and output the voltage to the VDD _ OUT power port.
It should be noted that, the embodiment of the present invention does not limit the specific type of the first switch V4, and therefore, the correspondence between the on or off of the first switch V4 and the level transmitted to the control terminal thereof is not limited.
Fig. 9 is a schematic diagram illustrating an external side view configuration of a remote control device according to an exemplary embodiment of the present invention. With reference to fig. 8 and 9, the power switch module 550 further includes a mechanical control structure 610, the mechanical control structure 610 is disposed on a housing 620 of the remote control device, and the mechanical control structure 610 is electrically connected to the switch controller SWT 1. The switch controller is configured to adjust the switch control signal output by the switch control terminal MS according to a user's operation of the mechanical control structure 610.
Illustratively, the mechanical control structure 610 may be disposed on a side surface of the housing 620 of the remote control device, and a user may control whether the remote control device turns off the midfield voice function through the switch controller SWT1 by toggling the mechanical control structure 610, for example, when the user toggles the mechanical control structure 610 to the upper side, the remote control device may be controlled to turn on the midfield voice function through the switch controller SWT 1; when the user dials the mechanical control structure 610 down, the remote control device may be controlled by the switch controller SWT1 to turn off the midfield voice function.
The following describes the control process of turning on and off the midfield voice function in detail with reference to fig. 8 and 9:
when a user needs to start the midfield voice function of the remote control device, the mechanical control structure 610 on the remote control device housing 620 may be shifted to a position corresponding to starting the midfield voice function, for example, to an upper position shown in fig. 9, the switch controller SWT1 is electrically connected to the mechanical control structure 610 on the remote control device housing 620, and then by shifting the mechanical control structure 610, the switch controller SWT1 controls the first switch V4 to be turned on through the switch control terminal MS, so that the right VDD18 power port is powered on, and further controls the voice processing module 530 and the midfield voice receiving module 520 to be powered on, and the voice processing module 530 may perform monitoring of the midfield voice wakeup word and receiving of a wakeup subsequent voice instruction, thereby implementing the midfield voice function of the remote control device. When in use
When a user needs to turn off the midfield voice function of the remote control device, the mechanical control structure 610 on the remote control device housing 620 can be shifted to a position corresponding to the turning off of the midfield voice function, for example, to a lower position shown in fig. 9, the switch controller SWT1 is electrically connected to the mechanical control structure 610 on the remote control device housing 620, and then by shifting the mechanical control structure 610, the switch controller SWT1 is used for controlling the first switch V4 to be turned off through the switch control end MS, so that the right VDD18 power port cannot be powered on, and further the voice processing module 530 is controlled to be powered off and cannot work, the voice processing module 530 cannot monitor the midfield voice wake-up word, the midfield voice function of the remote control device is turned off, and the security of the remote control device in the using process can be improved.
It should be noted that fig. 9 only shows an example of the setting condition of the mechanical control structure 610, the mechanical control structure 610 may also be a left-right toggle mechanical switch, or the mechanical control structure 610 is a push-type mechanical switch, and the mechanical control structure 610 may also be set at a position on the housing of the remote control device, which is convenient for a user to operate.
In some embodiments, in conjunction with fig. 4 and 8, the power switch module 550 further comprises: and a software control input end P3.0 of the voltage stabilizing module N14 is electrically connected with a software control output end of the data transmission module 540, and a first power signal output end of the voltage stabilizing module N14 is electrically connected with a first end of the first switch V4. The voltage regulation module N14 is configured to control whether the first power signal output terminal outputs the first power signal VCC1V8 according to the software control signal input from the software control input terminal P3.0.
As shown in fig. 8, the power switch module 550 includes a voltage regulator module N14, a software control input terminal P3.0 of the voltage regulator module N14 and a software control output terminal of the data transmission module 540, when the data transmission module 540 needs to control the remote control device to start the midfield voice function and power on the remote control device system, that is, when the battery voltage VBAT in fig. 8 is accessed, the voltage regulator module N14 outputs a first power signal VCC1V8 by adjusting a software control signal output to the software control input terminal P3.0 of the voltage regulator module N14, so as to obtain power on the left side of the first switch V4, and referring to the above embodiment, the voice processing module 530 obtains power by combining with the signal control of the switch control terminal MS. When the data transmission module 540 needs to control the remote control device to turn off the midfield voice function, the voltage stabilization module N14 cannot output the first power signal VCC1V8 by adjusting the software control signal output to the software control input terminal P3.0 of the voltage stabilization module N14, and further the left side of the first switch V4 cannot be powered. Illustratively, the Regulator module N14 may be, for example, a LDO (Low Dropout Regulator), and mainly has buck, regulation, and filtering functions.
Therefore, by arranging the mechanical control structure 610 and the power switch module 550 shown in fig. 8, the voice processing module 530 can control the power supply through two control ports, namely the software control input end P3.0 and the switch control end MS, the software control input end P3.0 controls the power supply through the software of the data transmission module 540, the switch control end MS controls the power supply through the mechanical control structure 610, when the first power signal VCC1V8 is effectively output through software control, a user can selectively turn on or turn off the midfield voice function of the remote control device by operating the mechanical control structure 610 according to requirements, the confidentiality of the remote control device in the use process is improved, the personal privacy of the user is ensured not to be leaked, and the use experience of the user is optimized.
Fig. 10 is a schematic structural diagram of a speech processing module according to an exemplary embodiment of the present invention. With reference to fig. 4 and fig. 10, referring to the description of the operation principle of the power switch module 550 in the foregoing embodiment, a user can control whether the VDD18 port of the voice processing module 530 is powered on or not by operating the mechanical control structure 610, and the VDD18 port of the voice processing module 530 is powered on, so that the voice processing module 530 can normally operate and the remote control device is in a midfield voice mode; if the VDD18 port of the voice processing module 530 cannot be powered, the voice processing module 530 cannot work, and the remote control device is in a near-field voice mode in which the buttons control voice input.
In addition, even if the user selects the midfield voice mode of the remote control device through the mechanical control structure 610, if the remote control device and the display device are disconnected at this time, for example, the VDD18 port of the voice processing module 530 may be controlled by the software control input terminal P3.0 of the voltage stabilizing module N14 in fig. 8 to be unable to be powered and stop working, that is, the voltage stabilizing module N14 may be unable to output the first power signal VCC1V8 by adjusting the signal output to the software control input terminal P3.0. When the user selects the midfield voice mode of the remote control device through the mechanical control structure 610, and after the remote control device and the display device are connected again, for example, through bluetooth, the software control input terminal P3.0 of the voltage stabilizing module N14 in fig. 8 may control the VDD18 port of the voice processing module 530 to be powered on to operate, and the remote control device enters the midfield voice mode.
In addition, the MIC0_ P port and the MIC0_ N port in fig. 6 are respectively connected to pins 32 and 33 of the voice processing module 530 in fig. 10, and the MIC1_ P port and the MIC1_ N port in fig. 7 are respectively connected to pins 35 and 36 in fig. 10, so as to realize transmission of a microphone voice signal to the voice processing module 530, include a midfield voice wake-up word and a voice instruction after wake-up, and realize a midfield voice function of the remote control device. The voice processing module 530 is mainly responsible for acquiring midfield voice audio data, performing data noise reduction processing, recognizing a midfield voice wakeup word or an activation word, and outputting voice to the data transmission module 540.
Fig. 11 is a schematic structural diagram of a data transmission module according to an exemplary embodiment of the present invention. Referring to the description of the working principle of the power switch module 550 in the foregoing embodiment with reference to fig. 4 and fig. 11, the software control input terminal P3.0 in fig. 8 is electrically connected to the 36 pin of the data transmission module 540 in fig. 11, and the data transmission module 540 may control the signal of the software control input terminal P3.0 according to the connection state between itself and the display device, so as to control whether the voice processing module 530 is powered on, that is, whether the remote control device is turned on for midfield voice function.
In addition, the MIC + port and the MIC-port in fig. 5 are respectively connected to the pin 5 and the pin 6 of the data transmission module 540 in fig. 11, so as to implement transmission of a microphone voice signal to the data transmission module 540, and implement a near-field voice function of the remote control device. The data transmission module 540 is mainly responsible for controlling the working state of the remote control device, communicating data with the voice processing module 530 and communicating data with the display device.
In addition, with reference to fig. 8 and fig. 11, the power switch module may further include a voltage stabilizing module N15, a power input end of the voltage stabilizing module N15 is connected to the battery voltage VBAT, and a power output end outputs a power signal BVCC1V8 for supplying power to the data transmission module 540. Illustratively, the Regulator module N15 may be, for example, a LDO (Low Dropout Regulator), mainly having buck, regulation, and filtering functions.
In some embodiments, on the basis of the above-mentioned embodiments, as shown in fig. 4, the remote control device further includes an infrared expansion module 500, the infrared expansion module 500 being configured to scan a key matrix of the remote control device to realize infrared key expansion of the remote control device. In some embodiments, the infrared expansion module 500 is electrically connected to the data transmission module 540, and the infrared expansion module 500 is further configured to transmit the expansion key value to the data transmission module 540 to implement bluetooth key expansion of the remote control device.
Fig. 12 is a schematic structural diagram of an infrared expansion module according to an exemplary embodiment of the present invention. With reference to fig. 4 and 12, the infrared expansion module 500 is used to perform IO port expansion of the remote control device.
The remote control device can be in communication connection with the display device through voice, and also can be in communication with the display device through the pressed state of the keys on the remote control device, the infrared expansion module 500 provided in fig. 12 performs key communication between the remote control device and the display device, and the infrared expansion module 500 can control more keys on the remote control device through the expansion IO port, thereby realizing the expansion of the infrared keys on the remote control device.
In addition, I2C (Inter-Integrated Circuit, two-wire serial bus) communication may be performed between the data transmission module 540 and the infrared expansion module 500, the corresponding specific communication pins are pins 8 and 9 in fig. 12, and pins 26 and 25 in fig. 11, and the infrared expansion module 500 may also transmit the expanded key value through the data transmission module 540, thereby also implementing expansion of the bluetooth key on the remote control device.
In some embodiments, as shown in fig. 3, the midfield voice receiving module 520 includes a plurality of midfield voice microphones, and adjacent midfield voice microphones are spaced apart by a preset distance.
In some embodiments, as shown in fig. 3, a straight-line distance between the first midfield voice receiving module and the second midfield voice receiving module may be set to be greater than or equal to 30 mm and less than or equal to 70 mm, and preferably, the straight-line distance between the first midfield voice receiving module and the second midfield voice receiving module is set to be 40 mm. That is, the straight-line distance between the microphone corresponding to the microphone hole mic0 and the microphone corresponding to the microphone hole mic1 is set to be equal to or greater than 30 mm and equal to or less than 70 mm, and it is preferable to set the straight-line distance between the microphone corresponding to the microphone hole mic0 and the microphone corresponding to the microphone hole mic1 to be 40 mm. Therefore, the remote control equipment comprises the two midfield voice receiving modules, the distance between the two midfield voice receiving modules is preset, a difference noise reduction algorithm can be carried out on the voices received by the two midfield voice receiving modules, the noise of the midfield voices received by the remote control equipment is favorably reduced, and the accuracy of midfield voice recognition is improved.
It should be noted that, in the embodiment of the present invention, the number and the position of the midfield voice receiving modules 520 and the number and the position of the near-field voice receiving modules 510 included in the remote control device are not specifically limited, and may be specifically limited according to the design requirement of the remote control device. In addition, the embodiment of the present invention does not limit the specific noise reduction algorithm that is adopted by the remote control device for the midfield speech receiving module 520.
In some embodiments, the remote control device further comprises a printed circuit board secured to the inner surface of the front housing of the remote control device by a fastening structure. Before the remote control unit formally comes into use, can carry out the gas tightness test to the remote control unit, microphone hole on the remote control unit can specifically be sealed with the adhesive tape, sealed sound receiving hole promptly, the noise is predetermine in the play of external loudspeaker, for example, white noise can be broadcast, white noise promptly, record sound receiving hole sealed with do not have sealed audio data, contrast sound receiving hole sealed with do not have the volume data that receive when sealed, the seal of microphone in the remote control unit is directly proportional to the sound receiving hole does not have the volume when sealed difference of the volume when sealed with the sound receiving hole. If the difference obtained by final calculation is larger than 20dB, judging that the remote control equipment passes the air tightness test; and if the difference obtained by final calculation is less than or equal to 20dB, judging that the remote control equipment does not pass the air tightness test, and determining that the air tightness is unqualified.
At present, a printed circuit board for arranging the module and the electronic component is generally fixed on the inner surface of a front shell of remote control equipment by sealant surrounding the printed circuit board, and the sealant may have the problem of poor sealing at partial positions and is easy to leak sound. The embodiment of the invention uses a fastening structure, such as but not limited to a screw for fixing the printed circuit board to the inner surface of the front shell of the remote control device, so as to optimize the tightness between the printed circuit board and the front shell of the remote control device provided with the acoustic hole, and improve the accuracy of the subsequent air tightness test of the remote control device.
Therefore, the remote control device according to the embodiment of the present invention includes a data transmission module 540, a voice processing module 530, an infrared extension module 500, and a power switch module 550, where the voice processing module 530, i.e., a voice wake-up chip, i.e., a DSP, is responsible for checking a midfield voice wake-up word, entering a wake-up state and recording a voice, and performing noise reduction and other processing on the voice. The infrared expansion module 500, i.e., the key expansion module, is responsible for key matrix scanning to realize key expansion.
The data transmission module 540, that is, the bluetooth SOC, is responsible for loading different voice models and corresponding voice driver firmware, and sends the voice driver firmware to the voice processing module 530 to trigger the voice processing module 530 to perform midfield voice awakening word recognition, in combination with fig. 10 and 11, the data transmission module 540 may also perform data communication with the voice processing module 530 through an SPI (Serial Peripheral Interface), and the data transmission module 540 chip acquires voice through the SPI, and performs infrared and/or bluetooth data communication with the display device, such as an infrared key, a bluetooth key, and the like. In addition, the remote control device provided by the embodiment of the invention can effectively reduce noise interference in the voice receiving process and ensure the voice transmission effect of the remote control device through the air tightness design and the multi-language sound hole design.
Based on the same inventive concept, an embodiment of the present invention further provides a display control system, and fig. 13 is a schematic structural diagram of a display control system according to an exemplary embodiment of the present invention. As shown in fig. 13, the display control system includes a display device and a remote control device as described in the foregoing embodiment, so that the display control system has the beneficial effects described in the foregoing embodiment, and details are not repeated here.
The display device and the remote control device are communicatively coupled, for example, the remote control device and the display device may be coupled for short-range wireless communication to enable data interaction therebetween, such as, but not limited to, voice data and key data.
It should be noted that the technical solution described in the embodiment of the present invention is applicable to all bluetooth remote control technologies with local wake-up functions, and is not limited to the application scenario in which the remote control device remotely controls the display device provided in the above embodiment. In addition, the embodiment of the present invention does not limit the specific type of the display device. In addition, the same and similar parts in the embodiments of the present invention may be referred to each other, and the related contents are not described again, and all possible combinations are not listed in the embodiments of the present invention, and any combination between the technical features in the embodiments of the present invention also belongs to the protection scope of the present invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
The foregoing description, for purposes of explanation, has been presented in conjunction with specific embodiments. However, the illustrative discussions above are not intended to be exhaustive or to limit the embodiments to the precise forms disclosed above. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles and the practical application, to thereby enable others skilled in the art to best utilize the embodiments and various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. A remote control device, comprising:
the midfield voice receiving module is configured to receive midfield voice input by a user;
the voice processing module is connected with the midfield voice receiving module and is configured to check the midfield voice awakening words;
the data transmission module is connected with the voice processing module, is configured to receive the voice data sent by the voice processing module and is in communication connection with a display device.
2. The remote control device of claim 1, further comprising:
the power switch module is connected with the voice processing module and is configured to control whether power is supplied to the voice processing module and the midfield voice receiving module according to the operation of a user on the power switch module so as to start or close the midfield voice mode of the remote control equipment.
3. A remote control apparatus as recited in claim 2, wherein the power switch module comprises:
the voice processing module comprises a switch controller and a first switch, wherein a switch control end of the switch controller is electrically connected with a control end of the first switch, a first end of the first switch is connected with a first power supply signal, and a second end of the first switch is electrically connected with a first power supply end of the voice processing module.
4. The remote control device of claim 3, wherein the power switch module further comprises:
the mechanical control structure is arranged on a shell of the remote control equipment and is electrically connected with the switch controller;
the switch controller is configured to adjust the switch control signal output by the switch control terminal according to a user operation of the mechanical control structure.
5. A remote control device as recited in claim 3 or 4, wherein the power switch module further comprises:
a software control input end of the voltage stabilizing module is electrically connected with a software control output end of the data transmission module, and a first power signal output end of the voltage stabilizing module is electrically connected with a first end of the first switch;
the voltage stabilizing module is configured to control whether the first power signal is output from the first power signal output end according to the software control signal input from the software control input end.
6. The remote control device of claim 1, further comprising:
an infrared expansion module configured to scan a key matrix of the remote control device to implement infrared key expansion of the remote control device.
7. The remote control device of claim 6, wherein the infrared expansion module is coupled to the data transmission module, the infrared expansion module further configured to send an expansion key value to the data transmission module to implement bluetooth key expansion of the remote control device.
8. The remote control device of claim 1, wherein the midfield voice receiving module comprises:
and the plurality of midfield voice microphones are arranged at intervals of a preset distance.
9. The remote control device of claim 1, further comprising:
a printed circuit board secured to an interior surface of a front housing of the remote control device by a fastening structure.
10. A display control system comprising a display device and a remote control device according to any one of claims 1-9, the display device and the remote control device being communicatively connected.
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| CN202211000030.3A CN115484480A (en) | 2022-08-19 | 2022-08-19 | Remote control device and display control system |
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| CN108154882A (en) * | 2017-12-13 | 2018-06-12 | 广东美的制冷设备有限公司 | The control method and control device of remote control equipment, storage medium and remote control equipment |
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