CN115064164A - Offline voice remote control method, device and system - Google Patents

Offline voice remote control method, device and system Download PDF

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Publication number
CN115064164A
CN115064164A CN202210609839.XA CN202210609839A CN115064164A CN 115064164 A CN115064164 A CN 115064164A CN 202210609839 A CN202210609839 A CN 202210609839A CN 115064164 A CN115064164 A CN 115064164A
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voice
code matching
command
remote control
voice information
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林福周
聂创达
周明长
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Zengge Co ltd
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Zengge Co ltd
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Priority to CN202210609839.XA priority Critical patent/CN115064164A/en
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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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • 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
    • G10L2015/223—Execution procedure of a spoken command

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)

Abstract

The invention discloses an off-line voice remote control method, a device and a system, wherein the method comprises the following steps: collecting target voice information; judging whether the target voice information is matched with a voice control command in a preset offline corpus; if the matching is successful, the voice control command is converted into a control command, the control command is filled into the Bluetooth broadcast packet and sent to the controlled equipment, and the purpose of off-line voice control of the remote control equipment can be achieved through the method and the device.

Description

Offline voice remote control method, device and system
Technical Field
The invention relates to the technical field of voice control, in particular to an offline voice remote control method, device and system.
Background
With the continuous development of science and technology, the interconnection of everything is gradually realized. The technology of internet of things is rapidly developed, so that the connection modes of things are more and more. Initially, terminal devices, such as smart home devices, such as televisions and air conditioners, are generally controlled by remote controllers, such as infrared remote controllers, RF remote controllers, and the like. With the development of terminal equipment intellectualization, the development of internet of things technology and the popularization of smart phones, more and more control modes begin to appear. At present, intelligent terminal equipment can communicate through wireless technologies, and the intelligent terminal control function of the smart phone can be realized through communication technologies such as Bluetooth, WIFI and ZIGBEE.
At present, in order to reach the purpose that control function is abundant and convenient to use, general intelligent terminal all has communication modes such as bluetooth, WIFI, ZIGBEE, and the purpose is convenient for be connected with the smart mobile phone, can realize abundanter function through cell-phone APP. However, when the intelligent terminal is used, the intelligent terminal is connected through the mobile phone, the operation is complex, and the operation is not convenient enough when the mobile phone is used in a frequently-operated situation, so that the general intelligent terminal is still provided with a remote control device such as a remote controller, and the purposes of strong function and convenient use are achieved through a dual-control mode of the intelligent mobile phone and the remote controller.
At present, the following three control methods are generally adopted for a remote controller:
1. the remote controller is triggered by keys to realize control: the key is inconvenient to use because the key needs to be close to trigger, and the key is easy to age and malfunction after long-term use and needs to be replaced.
2. Use APP collocation infrared remote controller to realize control: the method is mainly characterized in that a controlled equipment end is connected with an infrared receiving head through a control chip port, an infrared remote controller sends an infrared signal to the infrared receiving head, the infrared receiving head converts the infrared signal into digital information and decodes the digital information to a control chip, and the control chip obtains a related control command to perform corresponding operation after decoding. Therefore, the method needs to add an infrared receiving head and a receiving head peripheral circuit at the controlled equipment end, needs certain hardware cost, and simultaneously has directivity and poor penetration capability in infrared communication.
3. Use of APP in conjunction with an RF remote control: the method is mainly realized by that a controlled equipment end is externally connected with an RF chip through a control chip port, an RF remote controller sends a wireless signal to the RF chip, the RF chip converts the wireless signal into a digital signal and decodes the digital signal to the control chip, and the control chip obtains a related control command through decoding to perform corresponding operation.
Disclosure of Invention
In order to overcome the defects of the prior art, the present invention provides an offline voice remote control method, device and system to achieve the purpose of offline voice control of remote control equipment.
In order to achieve the above and other objects, the present invention provides an off-line voice remote control method, comprising the steps of:
step S101, collecting target voice information;
step S102, judging whether the target voice information is a valid code matching voice command word;
and step S103, if the target voice information is an effective code matching voice command word, converting the code matching voice command word into a corresponding code matching instruction and sending the code matching instruction to the controlled equipment.
Optionally, before step S101, the method further includes:
step S100, judging whether a wake-up word is received, and entering step S101 after the wake-up word is received.
Optionally, timing is performed while entering step S101, and it is determined whether the timing time exceeds a preset wake-up duration, if the timing time exceeds the preset wake-up duration, the step S100 is returned to continue to monitor and receive the wake-up word, otherwise, the target voice information continues to be acquired.
Optionally, in step S102, a speech recognition engine is invoked for the target speech information to perform speech recognition, a speech recognition result is matched with a preset code matching speech command word, and whether the target speech information is a valid code matching speech command word is determined according to the matching result.
In order to achieve the above object, the present invention further provides an offline voice remote control device, including:
the target voice information acquisition unit is used for acquiring target voice information;
the first judging unit is used for judging whether the target voice information is a valid code matching voice command word;
and the code matching command sending unit is used for converting the code matching voice command words into corresponding code matching commands and sending the code matching commands to the controlled equipment when the first judging unit judges that the target voice information is the valid code matching voice command words.
In order to achieve the above object, the present invention further provides an offline voice remote control system, comprising:
the remote control device is used for acquiring target voice information, judging whether the target voice information is an effective code matching voice command word or not, and converting the code matching voice command word into a corresponding code matching command to be sent to the controlled equipment when the target voice information is judged to be the effective code matching voice command word;
the controlled equipment is used for analyzing the wireless signal when the wireless signal is scanned, acquiring and storing the information in the code matching instruction when the wireless signal is judged to be the code matching instruction, and thus completing the code matching
In order to achieve the above object, the present invention further provides an offline voice remote control method, comprising the following steps:
step S401, collecting target voice information;
step S402, judging whether the target voice information is matched with a voice control command in a preset offline corpus;
step S403, if the matching is successful, converting the voice control command into a control command, filling the control command into a bluetooth broadcast packet, and sending the bluetooth broadcast packet to the controlled device.
Optionally, before step S401, the method further includes:
step S400, judging whether a wake-up word is received, and entering step S401 after the wake-up word is received.
Optionally, timing is performed while the step S401 is started, whether the timing time exceeds a preset wake-up duration is determined, if the timing time exceeds the preset wake-up duration, the step S400 is returned to continue monitoring and receiving the wake-up word, and if not, the target voice information continues to be acquired.
Optionally, a plurality of voice control command texts and corresponding control commands are stored in the offline corpus.
In order to achieve the above object, the present invention further provides an offline voice remote control device, including:
the target voice information acquisition unit is used for acquiring target voice information;
the second judging unit is used for judging whether the target voice information is matched with a voice control command in a preset offline corpus;
and the control command sending unit is used for converting the voice control command into a control command according to the matching result, filling the control command into a Bluetooth broadcast packet and sending the control command to the controlled equipment when the second judging unit judges that the matching is successful.
In order to achieve the above object, the present invention further provides an offline voice remote control system, comprising:
the remote control device is used for acquiring target voice information, judging whether the target voice information is matched with a voice control command in a preset offline corpus, and converting the voice control command into a control command according to a matching result and filling the control command into a Bluetooth broadcast packet to be sent to controlled equipment when the matching is judged to be successful;
a controlled device for scanning the Bluetooth broadcast packet in real time, analyzing the Bluetooth broadcast packet and executing corresponding operation when the Bluetooth broadcast packet is scanned
Compared with the prior art, the offline voice remote control method, the device and the system have the advantages that the target voice information is subjected to voice recognition through the preset code matching voice command words and the offline corpus, and the corresponding code matching instructions or control instructions are generated according to the pre-stored code matching voice command words and the pre-stored offline corpus and are sent to the controlled equipment, so that the purpose of offline voice control of the remote control equipment is achieved.
Drawings
Fig. 1 is a flowchart illustrating an offline voice remote control method according to an exemplary embodiment of the present invention;
fig. 2 and fig. 3 are flowcharts of code matching processes of the controlled device in the embodiment of the present invention;
fig. 4 is a flowchart illustrating an offline voice remote control method according to another exemplary embodiment of the present invention;
fig. 5 is a flowchart of control processing at the controlled device side according to the embodiment of the present invention;
fig. 6 is a schematic structural diagram of an offline voice remote control device according to an exemplary embodiment of the present invention;
fig. 7 is a schematic structural diagram of an offline voice remote control device according to another exemplary embodiment of the present invention.
Detailed Description
Hereinafter, example embodiments according to the present invention will be described in detail with reference to the accompanying drawings. It is to be understood that the described embodiments are merely a subset of embodiments of the invention and not all embodiments of the invention, with the understanding that the invention is not limited to the example embodiments described herein.
It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
It will be understood by those of skill in the art that the terms "first," "second," and the like in the embodiments of the present invention are used merely to distinguish one element, step, device, module, or the like from another element, and do not denote any particular technical or logical order therebetween.
It should also be understood that in embodiments of the present invention, "a plurality" may refer to two or more and "at least one" may refer to one, two or more.
It is also to be understood that any reference to any component, data, or structure in the embodiments of the invention may be generally understood as one or more, unless explicitly defined otherwise or stated to the contrary hereinafter.
In addition, the term "and/or" in the present invention is only one kind of association relationship describing the associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In the present invention, the character "/" generally indicates that the preceding and following related objects are in an "or" relationship.
It should also be understood that the description of the embodiments of the present invention emphasizes the differences between the embodiments, and the same or similar parts may be referred to each other, so that the descriptions thereof are omitted for brevity.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Embodiments of the invention are operational with numerous other general purpose or special purpose computing system environments or configurations, and with numerous other electronic devices, such as terminal devices, computer systems, servers, etc. Examples of well known terminal devices, computing systems, environments, and/or configurations that may be suitable for use with electronic devices, such as terminal devices, computer systems, servers, and the like, include, but are not limited to: personal computer systems, server computer systems, thin clients, thick clients, hand-held or laptop devices, microprocessor-based systems, set-top boxes, programmable consumer electronics, networked personal computers, minicomputer systems, mainframe computer systems, distributed cloud computing environments that include any of the above, and the like.
Electronic devices such as terminal devices, computer systems, servers, etc. may be described in the general context of computer system-executable instructions, such as program modules, being executed by a computer system. Generally, program modules may include routines, programs, objects, components, logic, data structures, etc. that perform particular tasks or implement particular abstract data types. The computer system/server may be practiced in distributed cloud computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed cloud computing environment, program modules may be located in both local and remote computer system storage media including memory storage devices.
Exemplary method
Fig. 1 is a flowchart illustrating an offline voice remote control method according to an exemplary embodiment of the present invention. The embodiment can be applied to remote control equipment, and as shown in fig. 1, the offline voice remote control method of the invention is used for code matching of the remote control equipment, and comprises the following steps:
and step S101, collecting target voice information.
In the embodiment of the present invention, the remote control device is a device for remotely controlling a controlled device, and the controlled device is a device capable of analyzing a code matching command and requiring control by the remote control device, and includes but is not limited to an intelligent lighting device, an intelligent lighting controller device, an intelligent electrician device, an intelligent home device, and the like; the intelligent lighting equipment comprises an intelligent bulb, an intelligent down lamp, an intelligent ceiling lamp and the like, and can realize the functions of starting and closing the equipment, adjusting brightness, adjusting color temperature, adjusting color, changing mode patterns and speed, controlling timing, controlling lighting effect according to music rhythm, controlling scenes, setting parameters and the like; the intelligent decorative lighting controller equipment comprises an intelligent lamp strip controller, an intelligent Christmas lamp controller, an intelligent neon lamp controller and the like, and can realize the functions of opening and closing of the equipment, brightness adjustment, color temperature adjustment, color adjustment, mode pattern and speed conversion, timing control, light effect regulation according to music rhythm, scene control, parameter setting and the like; the intelligent electrician equipment comprises an intelligent socket, an intelligent extension socket, an intelligent on-off device, an intelligent panel switch and the like, and can realize the functions of starting and closing the equipment, countdown control, timing control, parameter setting and the like; the intelligent household equipment comprises an intelligent curtain, an intelligent window opener, an intelligent alarm, an intelligent sensor and the like, and can realize the functions of opening and closing, timing control, parameter setting and the like of the equipment; the remote control equipment is a remote controller matched with the controlled equipment, and comprises but not limited to a handheld remote controller, a panel remote controller and the like, specifically, the remote control equipment comprises an equipment body and a control panel positioned in the equipment body, wherein a voice recognition processing module, a wireless communication module and a controller are integrated on the control panel, the wireless communication module can adopt a communication module matched with the controlled equipment end, and comprises but not limited to a Bluetooth module, a WIFI module, a Zigbee module, an NB (Narrow Band Internet of Things) module and the like.
Specifically, after the remote control device is powered on and started, the voice recognition processing module of the remote control device may collect an external audio signal in real time, perform corresponding voice processing on the collected audio signal, such as noise reduction and filtering, and provide the processed audio signal to the controller.
Optionally, before step S101, the method may further include the steps of:
step S100, judging whether a wake-up word is received, and entering step S101 after the wake-up word is received.
In the embodiment of the present invention, a wakeup word is set in the controller and is burned into the flash in advance, only when the remote controller receives that the wakeup word enters the recognition state of the code matching voice command word, the step S101 can be performed to recognize the code matching voice command word, for example, the controller is preset with wakeup words such as "hello, housekeeper", "hello, xiaozi", and the like, after the remote control device is powered on and started, when the remote control device acquires an audio signal, the audio signal is analyzed, the analysis processing result is matched with the preset wakeup word, if the corresponding wakeup word is matched, for example, the audio input by the user is "hello, xiaozi", the wakeup word "hello, xiaozi" is matched, and then the step S101 is performed.
Therefore, the invention adopts the activation of the awakening word, and the voice command word for identifying the code matching is received to perform code matching after the awakening word is activated, so that false triggering is not easy to occur, and the accuracy rate of code matching is improved.
Optionally, the following steps may be further included in step S101:
and step S101 is started, timing is carried out at the same time, whether the timing time exceeds the preset awakening duration is judged, if the timing time exceeds the preset awakening duration, the step S100 is returned to continue monitoring and receiving the awakening words, and if the timing time does not exceed the preset awakening duration, the target voice information continues to be collected.
That is to say, in the embodiment of the present invention, for each time of waking up by a wakeup word to enter a code matching operation, a corresponding wakeup duration is defined, if the target voice information is collected within the wakeup duration, it is subsequently determined whether the target voice information is a valid code matching voice command word operation, and if the target voice information is not collected within the wakeup duration, the method returns to step S100 to re-monitor whether the wakeup word is received again, so as to enter a wakeup stage of the code matching operation again.
Step S102, judging whether the target voice information is a valid code matching voice command word.
In the embodiment of the invention, a plurality of code matching voice command words are arranged in the controller and are burnt into the flash in advance, the code matching voice command words are effective sentences used for off-line voice recognition, for example, code matching voice command words such as 'code matching', 'I need to match code' and the like are stored in advance, after the controller acquires the audio signals subjected to noise elimination and filtering, a voice recognition engine is called to perform voice recognition, and a recognition result is matched with the code matching voice command words preset in the controller so as to judge whether the target voice information is an effective code matching voice command word.
And step S103, if the target voice information is an effective code matching voice command word, converting the code matching voice command word into a corresponding code matching command and sending the code matching command to the controlled equipment.
In the embodiment of the present invention, when it is determined that the target voice information is an effective code matching voice command word, it indicates that the operation of the user on the remote controller is code matching at present, a corresponding code matching instruction is generated according to the code matching voice command word and is sent to the controlled device through the wireless communication module, where the code matching instruction at least includes a code matching identifier and remote controller related control identifier information, such as a remote controller ID, and the remote controller ID may be an MAC address or other non-repeating information identifiers, and the wireless communication module includes, but is not limited to, a bluetooth module, a WIFI module, a Zigbee module, an NB (Narrow Band Internet of Things) module, and the like.
In step S103, when the collected target voice information is not a valid pairing code voice command word, returning to step S101 to continue collecting.
Fig. 2 and fig. 3 are flowcharts of code matching processes of the controlled device in the embodiment of the present invention. In the embodiment of the invention, the controlled equipment end is provided with a wireless communication module corresponding to the remote control equipment, when the controlled equipment end is started by electrifying, the wireless signal scanning of the wireless communication module is started, various parameters are initialized, when the wireless signal is scanned, the wireless signal is analyzed, whether the wireless signal is a code matching instruction or not is judged (can be judged according to a code matching identifier in the code matching instruction) is judged, if the wireless signal is the code matching instruction, the ID of the remote controller in the code matching instruction is obtained and stored, and thus the code matching is finished. The remote control equipment end of the invention adopts the wireless communication module corresponding to the controlled equipment end, so that the controlled equipment of the invention does not need to increase a communication chip, only needs the communication chip of the controlled equipment end, only needs one antenna, reduces the mutual interference of signals, saves the board distribution space, reduces the hardware cost, simultaneously realizes code matching by using an off-line voice triggering mode without approaching the controlled equipment and only needs voice control, and is convenient and safe.
Optionally, in the embodiment of the present invention, after the controlled device is powered on and started, timing is started, and before the remote controller ID in the code matching instruction is obtained and stored, it is further determined whether a preset code matching limit time is exceeded, and only when the timing time does not exceed the preset code matching limit time, the remote controller ID in the code matching instruction is obtained and stored. Therefore, the invention not only realizes the triggering of the code matching by the voice command and greatly facilitates the code matching operation of the user, but also controls the code matching process of the controlled equipment to be executed only within the code matching limited time, and does not accept the code matching application at other time, thereby avoiding the error code matching as much as possible.
Optionally, before the remote controller ID in the code matching instruction is obtained and stored, the method further includes a step of comparing the currently obtained remote controller ID with the stored remote controller ID that is successfully matched, and if the currently obtained remote controller ID already exists in the stored remote controller ID that is successfully matched, the method exits from the code matching process of the current remote controller, so that the remote controller ID that is successfully matched does not need to be repeatedly stored.
Fig. 4 is a flowchart illustrating an offline voice remote control method according to another exemplary embodiment of the present invention. The present embodiment can be applied to a remote control device, as shown in fig. 4, the offline voice remote control method of the present invention is used for controlling and operating the remote control device, and includes the following steps:
step S401, collecting target voice information.
Similarly, in the embodiment of the present invention, the controlled device refers to a device that can analyze the code matching command and needs to be controlled by a remote control device, and includes, but is not limited to, an intelligent lighting device, an intelligent lighting controller device, an intelligent electrician device, an intelligent home device, and the like; the intelligent lighting equipment comprises an intelligent bulb, an intelligent down lamp, an intelligent ceiling lamp and the like, and can realize the functions of starting and closing the equipment, adjusting brightness, adjusting color temperature, adjusting color, changing mode patterns and speed, controlling timing, controlling lighting effect according to music rhythm, controlling scenes, setting parameters and the like; the intelligent decorative lighting controller equipment comprises an intelligent lamp strip controller, an intelligent Christmas lamp controller, an intelligent neon lamp controller and the like, and can realize the functions of opening and closing of the equipment, brightness adjustment, color temperature adjustment, color adjustment, mode pattern and speed conversion, timing control, light effect regulation according to music rhythm, scene control, parameter setting and the like; the intelligent electrician equipment comprises an intelligent socket, an intelligent extension socket, an intelligent on-off device, an intelligent panel switch and the like, and can realize the functions of starting and closing the equipment, countdown control, timing control, parameter setting and the like; the intelligent household equipment comprises an intelligent curtain, an intelligent window opener, an intelligent alarm, an intelligent sensor and the like, and can realize the functions of opening and closing, timing control, parameter setting and the like of the equipment; the remote control equipment is a remote controller matched with the controlled equipment, and comprises but not limited to a handheld remote controller, a panel remote controller and the like, specifically, the remote control equipment comprises an equipment body and a control panel positioned in the equipment body, wherein a voice recognition processing module, a communication module and a controller are integrated on the control panel, specifically, the communication module can adopt a Bluetooth chip and can send a Bluetooth broadcast packet, and generally, the current controlled equipment is provided with the Bluetooth chip and can scan the Bluetooth broadcast packet.
Specifically, the voice recognition processing module of the remote control device may collect an external audio signal in real time, perform corresponding voice processing on the collected audio signal, such as noise reduction and filtering, and provide the processed audio signal to the controller.
Optionally, before step S401, the present invention may further include the steps of:
step S400, judging whether a wake-up word is received, and entering step S401 after the wake-up word is received.
In the embodiment of the present invention, a wakeup word is set in the controller and is burned into the flash in advance, the step S401 of recognizing the voice command can be performed only when the remote controller receives that the wakeup word enters the recognition state of the voice command, for example, the controller is preset with wakeup words such as "hello, housekeeping", "hello, and wisdom", and the step S401 is performed only when the remote control device acquires an audio signal matched with the prestored wakeup word, that is, the voice control processing flow of the remote control device is performed, for example, when the audio input by the user is "hello, housekeeping", the wakeup word "hello, housekeeping" is matched, and then the step S401 is performed.
Optionally, the following steps may be further included in step S401:
and step S401 is started, timing is carried out at the same time, whether the timing time exceeds the preset awakening duration is judged, if the timing time exceeds the preset awakening duration, the step S400 is returned to continue monitoring and receiving the awakening words, and if the timing time does not exceed the preset awakening duration, the target voice information continues to be collected.
Similarly, in the embodiment of the present invention, for each time of waking up by using the wakeup word to enter the control operation, a corresponding wakeup duration is also defined, if the target voice information is collected within the wakeup duration, a subsequent determination is performed to determine whether the target voice information is a valid voice control command, and if the target voice information is not collected within the wakeup duration, the step S400 is returned to re-monitor whether the wakeup word is received again, so as to enter the wakeup stage of the voice control operation again.
Step S402, determining whether the target voice information matches a voice control command in a preset offline corpus.
In the embodiment of the present invention, the remote control device stores a preset offline corpus, the offline corpus can be burned into a flash in advance, the offline corpus stores a plurality of voice control command texts and control commands corresponding to the voice control command texts, and the structure of the offline corpus is as shown in table 1 below:
TABLE 1
Voice control command text Control command
a1 A
a2 A
a3 A
b1 B
b2 B
…
For example, a1 is the voice control command text "power on", a2 is the voice control command text "i want to power on", and a3 is the voice control command text "fast power on", which both correspond to the "power on" control command, it should be noted that table 1 is only an exemplary predetermined offline corpus, and in practical applications, the predetermined offline corpus can be flexibly adjusted according to specific application scenarios. Since the offline corpus can adopt a currently common database construction mode, the construction process thereof is not described herein again.
And after the controller acquires the target voice information subjected to noise elimination and filtering, calling a voice recognition engine to perform voice recognition, and then matching voice recognition results with voice control command texts in a preset offline corpus one by one.
And S403, if the matching is successful, converting the voice control command into a control command, filling the control command into a Bluetooth broadcast packet, and sending the Bluetooth broadcast packet to the controlled equipment, otherwise, returning to the S401 to continue the acquisition of the target voice information.
Specifically, when a corresponding voice control command text is matched in step S402, a control command corresponding to the voice control command text is obtained according to the voice control command text, the control command is filled into a bluetooth broadcast packet, and the bluetooth broadcast packet is sent to the controlled device, for example, when a user inputs "i want to power on", a voice recognition module of the remote control device collects the target voice information, performs denoising and filtering processing on the target voice information and sends the target voice information to the controller, the controller invokes a voice recognition engine to perform voice recognition to obtain a voice recognition result of "i want to power on", compares and matches the voice recognition result with a voice control command text in a preset offline corpus one by one, and obtains a control command a corresponding to the voice control command text if a2 is matched as the voice control command text "i want to power on", and fills it into a bluetooth broadcast packet, and transmits it to the controlled device in the form of a bluetooth broadcast packet.
Fig. 5 is a flowchart of control processing of the controlled device side according to the embodiment of the present invention. In the embodiment of the invention, the controlled equipment end is provided with the Bluetooth chip corresponding to the remote control equipment, the Bluetooth broadcast packet can be scanned, after the controlled equipment end is powered on and started, the Bluetooth scanning function of the Bluetooth chip is started to scan the Bluetooth broadcast packet, and when the Bluetooth broadcast packet is scanned, the Bluetooth broadcast packet is analyzed and corresponding operation is executed.
Therefore, according to the invention, the remote control equipment end adopts off-line voice input, is in butt joint with the controlled equipment in a Bluetooth broadcast mode, sends the Bluetooth broadcast packet to the controlled equipment, and the controlled equipment analyzes the control command and carries out corresponding operation according to the control command, thereby realizing the purpose of realizing off-line voice remote control based on the Bluetooth broadcast packet.
Exemplary devices and systems
Fig. 6 is a schematic structural diagram of an offline voice remote control device according to an exemplary embodiment of the present invention. As shown in fig. 6, the off-line voice remote control device of the present invention includes:
and a target voice information collecting unit 601, configured to collect target voice information.
In the embodiment of the present invention, the remote control device is a device for remotely controlling a controlled device, and the controlled device is a device capable of analyzing a code matching command and requiring control by the remote control device, and includes but is not limited to an intelligent lighting device, an intelligent lighting controller device, an intelligent electrician device, an intelligent home device, and the like; the intelligent lighting equipment comprises an intelligent bulb, an intelligent down lamp, an intelligent ceiling lamp and the like, and can realize the functions of starting and closing the equipment, adjusting brightness, adjusting color temperature, adjusting color, changing mode patterns and speed, controlling timing, controlling lighting effect according to music rhythm, controlling scenes, setting parameters and the like; the intelligent decorative lighting controller equipment comprises an intelligent lamp strip controller, an intelligent Christmas lamp controller, an intelligent neon lamp controller and the like, and can realize the functions of opening and closing of the equipment, brightness adjustment, color temperature adjustment, color adjustment, mode pattern and speed conversion, timing control, light effect regulation according to music rhythm, scene control, parameter setting and the like; the intelligent electrician equipment comprises an intelligent socket, an intelligent extension socket, an intelligent on-off device, an intelligent panel switch and the like, and can realize the functions of starting and closing the equipment, countdown control, timing control, parameter setting and the like; the intelligent household equipment comprises an intelligent curtain, an intelligent window opener, an intelligent alarm, an intelligent sensor and the like, and can realize the functions of opening and closing, timing control, parameter setting and the like of the equipment; the remote control equipment is a remote controller matched with the controlled equipment, and comprises but not limited to a handheld remote controller, a panel remote controller and the like, specifically, the remote control equipment comprises an equipment body and a control panel positioned in the equipment body, a voice recognition processing module, a wireless communication module and a controller are integrated on the control panel, the wireless communication module can adopt a communication module matched with the controlled equipment end, and the remote control equipment comprises but not limited to a Bluetooth module, a WIFI module, a Zigbee module, an NB (Narrow Band Internet of Things) module and the like.
Specifically, after the remote control device is powered on and started, the voice recognition processing module of the remote control device may collect an external audio signal in real time, perform corresponding voice processing on the collected audio signal, such as noise reduction and filtering, and provide the processed audio signal to the controller.
Optionally, this embodiment further includes:
the code matching wake-up unit 600 is configured to determine whether a wake-up word is received, and enter the target voice information collecting unit 601 after the wake-up word is received.
In the embodiment of the present invention, a wakeup word is set in the controller and is burned into the flash in advance, only when the remote controller receives that the wakeup word enters the recognition state of the code matching voice command word, the target voice information acquisition unit 601 can be entered to perform recognition of the code matching voice command word, for example, wakeup words such as "hello, housekeeper", "hello, xiaozi" and the like are preset in the controller, after the remote control device is powered on and started, when the remote control device acquires an audio signal, the audio signal is analyzed, the analysis result is matched with the preset wakeup word, if a corresponding wakeup word is matched, for example, the audio input by the user is "hello, xiaozi", the wakeup word "hello, xiaozi" is matched, and then the process goes to step S101.
Therefore, the invention adopts the activation of the awakening word, and the voice command word for identifying the code matching is received to perform code matching after the awakening word is activated, so that false triggering is not easy to occur, and the accuracy rate of code matching is improved.
Optionally, the target voice information collecting unit 601 may further include:
timing is carried out while target voice information is collected, whether the timing time exceeds the preset awakening duration is judged, if the timing time exceeds the preset awakening duration, the code matching awakening unit 600 is returned to continue monitoring and receiving awakening words, and if the timing time does not exceed the preset awakening duration, the target voice information continues to be collected.
That is to say, in the embodiment of the present invention, a wake-up duration is defined for entering a code pairing operation by waking up with a wake-up word each time, if the target voice information is collected within the wake-up duration, it is subsequently determined whether the target voice information is a valid code pairing voice command word operation, and if the target voice information is not collected within the wake-up duration, it is returned to re-monitor whether the wake-up word is received again, so as to enter a wake-up stage of the code pairing operation again.
A first determining unit 602, configured to determine whether the target voice message is a valid pairing voice command word.
In the embodiment of the invention, a plurality of code matching voice command words are arranged in the controller and are burnt into the flash in advance, the code matching voice command words are effective sentences used for off-line voice recognition, for example, code matching voice command words such as 'code matching', 'I need to match code', and the like are stored in advance, when the controller acquires the audio signals subjected to noise elimination and filtering, a voice recognition engine is called to carry out voice recognition, and a recognition result is matched with the code matching voice command words preset in the controller so as to judge whether the target voice information is the effective code matching voice command words.
A code matching command sending unit 603, configured to convert the code matching voice command word into a corresponding code matching command and send the code matching command to the controlled device when the first determining unit 602 determines that the target voice information is a valid code matching voice command word.
In the embodiment of the present invention, when it is determined that the target voice information is an effective code matching voice command word, it indicates that the operation of the user on the remote controller is code matching at present, and a corresponding code matching instruction is generated according to the code matching voice command word and is sent to the controlled device through the wireless communication module, where the code matching instruction at least includes a code matching identifier and remote controller related control identifier information, such as a remote controller ID, and the remote controller ID may be an MAC address or other non-repeating information identifier.
In the code matching command sending unit 603, when the collected target voice information is not a valid code matching voice command word, returning to the target voice information collecting unit 601 to continue collecting.
In an embodiment of the present invention, the present invention further provides an offline voice remote control system, including:
the remote control device is used for acquiring target voice information, judging whether the target voice information is an effective code matching voice command word or not, and converting the code matching voice command word into a corresponding code matching command to be sent to controlled equipment when the target voice information is judged to be the effective code matching voice command word;
and the controlled equipment is used for analyzing the wireless signals when the wireless signals are scanned, and acquiring and storing the information in the code matching instruction when the wireless signals are judged to be the code matching instruction, so as to complete code matching, wherein the wireless signals comprise but are not limited to a Bluetooth broadcast packet mode and a Bluetooth connection mode.
In the embodiment of the present invention, the controlled device end is provided with a wireless communication module corresponding to the remote control device, including but not limited to a bluetooth module, a WIFI module, a Zigbee module, and an NB (Narrow Band Internet of Things) module, and when the controlled device end is powered on and started, the wireless signal scanning is started, various parameters are initialized, when the wireless signal is scanned, the wireless signal is analyzed, and whether the wireless signal is a code matching instruction (which may be determined according to a code matching identifier in the code matching instruction) is determined, and if the wireless signal is the code matching instruction, the remote controller ID in the code matching instruction is obtained and stored, thereby completing code matching.
Optionally, in the embodiment of the present invention, after the controlled device is powered on and started, timing is started, and before the remote controller ID in the pairing code instruction is obtained and stored, it is further determined whether a preset pairing code limiting time is exceeded, and only when the timing time does not exceed the preset pairing code limiting time, the remote controller ID in the pairing code instruction is obtained and stored. Therefore, the invention not only realizes the triggering of the code matching by the voice command and greatly facilitates the code matching operation of the user, but also controls the code matching process of the controlled equipment to be executed only within the code matching limited time, and does not accept the code matching application at other time, thereby avoiding the error code matching as much as possible.
Optionally, before the remote controller ID in the code matching instruction is obtained and stored, the method further includes a step of comparing the currently obtained remote controller ID with the stored remote controller ID that is successfully matched, and if the currently obtained remote controller ID already exists in the stored remote controller ID that is successfully matched, the method exits from the code matching process of the current remote controller, so that the remote controller ID that is successfully matched does not need to be repeatedly stored.
Fig. 7 is a schematic structural diagram of an offline voice remote control device according to another exemplary embodiment of the present invention. As shown in fig. 7, the present invention provides an offline voice remote control device, which includes:
and a target voice information collecting unit 701 configured to collect target voice information.
Similarly, in the embodiment of the present invention, the controlled device refers to a device that can analyze the code matching command and needs to be controlled by a remote control device, and includes, but is not limited to, an intelligent lighting device, an intelligent lighting controller device, an intelligent electrician device, an intelligent home device, and the like; the intelligent lighting equipment comprises an intelligent bulb, an intelligent down lamp, an intelligent ceiling lamp and the like, and can realize the functions of starting and closing the equipment, adjusting brightness, adjusting color temperature, adjusting color, changing mode patterns and speed, controlling timing, controlling lighting effect according to music rhythm, controlling scenes, setting parameters and the like; the intelligent decorative lighting controller equipment comprises an intelligent lamp strip controller, an intelligent Christmas lamp controller, an intelligent neon lamp controller and the like, and can realize the functions of opening and closing of the equipment, brightness adjustment, color temperature adjustment, color adjustment, mode pattern and speed conversion, timing control, light effect regulation according to music rhythm, scene control, parameter setting and the like; the intelligent electrician equipment comprises an intelligent socket, an intelligent extension socket, an intelligent on-off device, an intelligent panel switch and the like, and can realize the functions of starting and closing the equipment, countdown control, timing control, parameter setting and the like; the intelligent household equipment comprises an intelligent curtain, an intelligent window opener, an intelligent alarm, an intelligent sensor and the like, and can realize the functions of opening and closing, timing control, parameter setting and the like of the equipment; the remote control equipment is a remote controller matched with the controlled equipment, and comprises but not limited to a handheld remote controller, a panel remote controller and the like, specifically, the remote control equipment comprises an equipment body and a control panel positioned in the equipment body, wherein a voice recognition processing module, a communication module and a controller are integrated on the control panel, specifically, the communication module can adopt a Bluetooth chip and can send a Bluetooth broadcast packet, correspondingly, the controlled equipment serving as a receiving end also has the Bluetooth chip and can scan the Bluetooth broadcast packet.
Specifically, the voice recognition processing module of the remote control device may collect an external audio signal in real time, perform corresponding voice processing on the collected audio signal, such as noise reduction and filtering, and provide the processed audio signal to the controller.
Optionally, this embodiment may further include:
the voice control wake-up unit 700 is configured to determine whether a wake-up word is received, and enter the target voice information collecting unit 701 after the wake-up word is received.
In the embodiment of the present invention, a wakeup word is set in the controller and is burned into the flash in advance, only when the remote controller receives that the wakeup word enters the recognition state of the voice command, the target voice information acquisition unit 701 can be entered to recognize the voice command, for example, wakeup words such as "hello, housekeeping", "hello, xiaozhi" and the like are preset in the controller, and only when the remote control device acquires an audio signal matched with the prestored wakeup word, the target voice information acquisition unit 701 is entered, that is, the voice control processing flow of the remote control device is entered, for example, when the audio input by the user is "hello, housekeeping", the wakeup word "hello, housekeeping" is matched, and then the target voice information acquisition unit 701 is entered.
Optionally, in the target voice information collecting unit 701, further:
timing is carried out while entering the target voice information acquisition unit 701 to acquire the target voice information, whether the timing time exceeds the preset awakening duration is judged, if the timing time exceeds the preset awakening duration, the step S400 is returned to continue monitoring and receiving the awakening words, and if the timing time does not exceed the preset awakening duration, the target voice information continues to be acquired.
Similarly, in the embodiment of the present invention, for each time the control operation is woken up by the wake-up word, a corresponding wake-up duration is also defined, if the target voice message is collected within the wake-up duration, a subsequent determination is made as to whether the target voice message is a valid voice control command, and if the target voice message is not collected within the wake-up duration, the voice control wake-up unit 700 returns to re-monitor whether the wake-up word is received again, so as to enter the wake-up phase of the voice control operation again.
A second determining unit 702, configured to determine whether the target speech information matches a speech control command in a preset offline corpus.
In the embodiment of the present invention, the remote control device stores a preset offline corpus, the offline corpus can be burned into a flash in advance, the offline corpus stores a plurality of voice control command texts and control commands corresponding to the voice control command texts, and the structure of the offline corpus is as shown in table 2 below:
TABLE 2
Voice control command text Control command
a1 A
a2 A
a3 A
b1 B
b2 B
…
For example, the text a1 is the voice control command text "power on", the text a2 is the voice control command text "i want to power on", and the text a3 is the voice control command text "fast power on", which both correspond to the control command "power on". Since the offline corpus can adopt a currently common database construction mode, the construction process thereof is not described herein again.
And after the controller acquires the target voice information subjected to noise elimination and filtering, calling a voice recognition engine to perform voice recognition, and then matching voice recognition results with voice control command texts in a preset offline corpus one by one.
And if the matching is successful, the control command sending unit 703 converts the voice control command into a control command, fills the control command in the bluetooth broadcast packet, and sends the bluetooth broadcast packet to the controlled device, otherwise, returns the control command to the target voice information acquisition unit 701 to continue the acquisition of the target voice information.
Specifically, when the second determination unit 702 matches the corresponding voice control command text, the control command corresponding to the voice control command text is obtained according to the voice control command text, and the control command is filled into the bluetooth broadcast packet and sent to the controlled device in the form of the bluetooth broadcast packet, for example, when the user inputs "i want to turn on" by voice, the voice recognition module of the remote control device collects the target voice information, performs noise elimination and filtering processing on the target voice information and sends the target voice information to the controller, the controller calls the voice recognition engine to perform voice recognition to obtain a voice recognition result of "i want to turn on", compares and matches the voice recognition result with the voice control command text in the preset offline corpus one by one, and if a2 is matched as the voice control command text, "i want to turn on", obtains the control command a corresponding to the voice control command text, and fills it into a bluetooth broadcast packet, and transmits it to the controlled device in the form of a bluetooth broadcast packet.
In another embodiment of the present invention, an offline voice remote control system is further provided, including:
the remote control device is used for acquiring target voice information, judging whether the target voice information is matched with a voice control command in a preset offline corpus, and converting the voice control command into a control command according to a matching result and filling the control command into a Bluetooth broadcast packet to be sent to controlled equipment when the target voice information is successfully matched with the voice control command in the preset offline corpus;
and the controlled equipment scans the Bluetooth broadcast packet in real time, analyzes the Bluetooth broadcast packet and executes corresponding operation when the Bluetooth broadcast packet is scanned.
In the embodiment of the invention, the controlled equipment end is provided with the Bluetooth chip corresponding to the remote control equipment, the Bluetooth broadcast packet can be scanned, when the controlled equipment end is powered on and started, the Bluetooth scanning function of the Bluetooth chip is started to scan the Bluetooth broadcast packet, and when the Bluetooth broadcast packet is scanned, the Bluetooth broadcast packet is analyzed and corresponding operation is executed.
In summary, the offline voice remote control method, device and system provided by the invention can realize the offline voice control purpose of the remote control device by presetting the code matching voice command words and the offline corpus, performing voice recognition on the acquired target voice information, and generating corresponding code matching instructions or control instructions according to the prestored code matching voice command words and the offline corpus, and sending the corresponding code matching instructions or control instructions to the controlled device.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Therefore, the scope of the invention should be determined from the following claims.

Claims (12)

1. An off-line voice remote control method comprises the following steps:
step S101, collecting target voice information;
step S102, judging whether the target voice information is a valid code matching voice command word;
and step S103, if the target voice information is an effective code matching voice command word, converting the code matching voice command word into a corresponding code matching instruction and sending the code matching instruction to the controlled equipment.
2. The off-line voice remote control method according to claim 1, before step S101, further comprising:
step S100, judging whether a wake-up word is received, and entering step S101 after the wake-up word is received.
3. The off-line voice remote control method of claim 2, wherein: and step S101 is started, timing is carried out at the same time, whether the timing time exceeds the preset awakening duration is judged, if yes, the step S100 is returned to continue monitoring and receiving the awakening words, and if not, the target voice information continues to be collected.
4. An off-line voice remote control method as claimed in claim 3, characterized in that: in step S102, a voice recognition engine is invoked for the target voice information to perform voice recognition, a voice recognition result is matched with a preset code matching voice command word, and whether the target voice information is a valid code matching voice command word is determined according to the matching result.
5. An offline voice remote control device comprising:
the target voice information acquisition unit is used for acquiring target voice information;
the first judging unit is used for judging whether the target voice information is a valid code matching voice command word;
and the code matching command sending unit is used for converting the code matching voice command words into corresponding code matching commands and sending the code matching commands to the controlled equipment when the first judging unit judges that the target voice information is the valid code matching voice command words.
6. An offline voice remote control system comprising:
the remote control device is used for acquiring target voice information, judging whether the target voice information is an effective code matching voice command word or not, and converting the code matching voice command word into a corresponding code matching command and sending the corresponding code matching command to the controlled equipment when the target voice information is judged to be the effective code matching voice command word;
and the controlled equipment is used for analyzing the wireless signal when the wireless signal is scanned, and acquiring and storing the information in the code matching instruction when the wireless signal is judged to be the code matching instruction, so that the code matching is completed.
7. An off-line voice remote control method comprises the following steps:
step S401, collecting target voice information;
step S402, judging whether the target voice information is matched with a voice control command in a preset offline corpus;
step S403, if the matching is successful, converting the voice control command into a control command, filling the control command into a bluetooth broadcast packet, and sending the bluetooth broadcast packet to the controlled device.
8. The off-line voice remote control method according to claim 7, before the step S401, further comprising:
step S400, judging whether a wakeup word is received, and entering step S401 after the wakeup word is received.
9. The off-line voice remote control method of claim 8, wherein: and step S401 is started, timing is carried out at the same time, whether the timing time exceeds the preset awakening duration is judged, if yes, the step S400 is returned to continue monitoring and receiving the awakening words, and if not, the target voice information continues to be collected.
10. The off-line voice remote control method of claim 7, wherein: the offline corpus is stored with a plurality of voice control command texts and control commands corresponding to the voice control command texts.
11. An offline voice remote control device comprising:
the target voice information acquisition unit is used for acquiring target voice information;
the second judging unit is used for judging whether the target voice information is matched with a voice control command in a preset offline corpus;
and the control command sending unit is used for converting the voice control command into a control command according to the matching result, filling the control command into a Bluetooth broadcast packet and sending the control command to the controlled equipment when the second judging unit judges that the matching is successful.
12. An offline voice remote control system comprising:
the remote control device is used for acquiring target voice information, judging whether the target voice information is matched with a voice control command in a preset offline corpus, and converting the voice control command into a control command according to a matching result and filling the control command into a Bluetooth broadcast packet to be sent to controlled equipment when the matching is judged to be successful;
and the controlled equipment scans the Bluetooth broadcast packet in real time, analyzes the Bluetooth broadcast packet and executes corresponding operation when the Bluetooth broadcast packet is scanned.
CN202210609839.XA 2022-05-31 2022-05-31 Offline voice remote control method, device and system Pending CN115064164A (en)

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CN105357564A (en) * 2014-08-20 2016-02-24 中兴通讯股份有限公司 Remote control mobile terminal, remote control system and remote control method
CN105957527A (en) * 2016-05-16 2016-09-21 珠海格力电器股份有限公司 Method and device for voice control of electric appliance and voice control air conditioner
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