CN113611298A - Awakening method and device of intelligent equipment, storage medium and electronic device - Google Patents

Awakening method and device of intelligent equipment, storage medium and electronic device Download PDF

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Publication number
CN113611298A
CN113611298A CN202110839790.2A CN202110839790A CN113611298A CN 113611298 A CN113611298 A CN 113611298A CN 202110839790 A CN202110839790 A CN 202110839790A CN 113611298 A CN113611298 A CN 113611298A
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target
intelligent
signal
wake
smart device
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Chinese (zh)
Inventor
扈艳丽
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Qingdao Haier Technology Co Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Technology Co Ltd
Haier Smart Home Co Ltd
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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

Abstract

The invention discloses a method and a device for waking up intelligent equipment, a storage medium and an electronic device, wherein the method comprises the following steps: acquiring signal energy of a target wake-up signal detected by each intelligent device in a plurality of intelligent devices in a target scene; under the condition that the plurality of intelligent devices comprise a first intelligent device, determining an energy difference value between signal energy corresponding to the first intelligent device and the highest signal energy; and under the condition that a second intelligent device with the energy difference value smaller than or equal to the target energy threshold exists in the first intelligent device, determining the target intelligent device according to the target angle and the target angle range. By adopting the technical scheme, the problem that the accuracy of the intelligent equipment which responds to the awakening signal and is determined from a plurality of intelligent equipment is low is solved.

Description

Awakening method and device of intelligent equipment, storage medium and electronic device
Technical Field
The invention relates to the field of communication, in particular to a method and a device for waking up intelligent equipment, a storage medium and an electronic device.
Background
Often, in a home, when voice command interaction is performed on a certain smart device, all the voice devices may be woken up, but only one device responds to user's waking up, for example, the user speaks a wake-up word "XX, XX" in the living room, at this time, the three devices, i.e., the sound box, the television and the air conditioner, detect the wake-up word, and currently, the device responding to the wake-up word is determined from the plurality of smart devices detecting the wake-up word, generally, according to the distance between the device and the sound source, the smart device closest to the user responds to the user's waking up according to the principle of waking up nearby. However, the smart device determined in this way to respond to the user wake-up is often not the device that the user wants to wake-up, such as: the user sends out the awakening word towards the direction of the television when the user wants to awaken the television, but the sound box which is closest to the user is behind the user, so that the user cannot successfully awaken the television but can awaken the sound box.
Aiming at the problems that in the related art, the accuracy of the intelligent device responding to the wake-up signal determined from the plurality of intelligent devices is low and the like, an effective solution is not provided.
Disclosure of Invention
The embodiment of the invention provides a method and a device for waking up intelligent equipment, a storage medium and an electronic device, which are used for at least solving the problems that the accuracy of the intelligent equipment responding to a wake-up signal determined from a plurality of intelligent equipment is low and the like in the related technology.
According to an embodiment of the present invention, a method for waking up an intelligent device is provided, including: acquiring signal energy of a target wake-up signal detected by each intelligent device in a plurality of intelligent devices in a target scene;
under the condition that a first intelligent device is included in the plurality of intelligent devices, determining an energy difference value between signal energy corresponding to the first intelligent device and the highest signal energy, wherein the first intelligent device is an intelligent device which is allowed to respond to a wake-up signal of which the emission angle falls within an angle range, the emission angle is an angle between the emission direction of the wake-up signal and a preset direction of the first intelligent device, and the highest signal energy is the maximum value in the signal energy of the plurality of intelligent devices;
and under the condition that a second intelligent device with the energy difference value smaller than or equal to a target energy threshold exists in the first intelligent device, determining a target intelligent device according to a target angle and a target angle range, wherein the target intelligent device is used for responding to the target wake-up signal, the target angle is an angle between a target transmitting direction of the target wake-up signal and a target preset direction of the second intelligent device, and the target angle range is an angle range allowing the second intelligent device to respond to the wake-up signal.
In one exemplary embodiment, determining the target smart device according to the target angle and the target angle range includes:
acquiring the second intelligent device of which the energy difference value is smaller than or equal to the target energy threshold from the first intelligent device;
determining the target angle between the target transmitting direction of the target wake-up signal and the target preset direction of the second intelligent device;
and determining the target intelligent equipment according to the relation between the target angle and the target angle range corresponding to the second intelligent equipment.
In an exemplary embodiment, determining the target smart device according to a relationship between the target angle and the target angle range includes:
acquiring a third intelligent device of which the target angle falls into the target angle range from the second intelligent device;
and under the condition that the third intelligent device is determined to be obtained, determining the target intelligent device according to the number of the third intelligent devices and the signal energy of the third intelligent device.
In one exemplary embodiment, determining the target smart device according to the number of devices of the third smart device and the signal energy of the third smart device includes:
determining the one device as the target smart device if the third smart device is the one device;
and under the condition that the third intelligent device is a plurality of devices, determining the intelligent device with the highest signal energy in the plurality of devices as the target intelligent device.
In an exemplary embodiment, after obtaining a third smart device from the second smart device, where the target angle falls within the target angle range, the method further includes:
determining intelligent equipment which does not acquire the target angle and falls into the target angle range from the second intelligent equipment;
and determining the intelligent device corresponding to the highest signal energy as the target intelligent device.
In an exemplary embodiment, after acquiring the signal energy of the target wake-up signal detected by each of the plurality of smart devices in the target scene, the method further comprises:
determining that the first smart device is not included in the plurality of smart devices;
and determining the intelligent device corresponding to the highest signal energy as the target intelligent device.
In one exemplary embodiment, after determining the energy difference between the signal energy corresponding to the first smart device and the highest signal energy, the method further comprises:
determining that none of the first smart devices include the second smart device for which the energy difference value is less than or equal to the target energy threshold;
and determining the intelligent device corresponding to the highest signal energy as the target intelligent device.
According to another embodiment of the present invention, there is also provided a wake-up apparatus for an intelligent device, including: the system comprises an acquisition module, a processing module and a display module, wherein the acquisition module is used for acquiring the signal energy of a target wake-up signal detected by each intelligent device in a plurality of intelligent devices in a target scene;
a first determining module, configured to determine, when a first smart device is included in the plurality of smart devices, an energy difference between a signal energy corresponding to the first smart device and a highest signal energy, where the first smart device is a smart device that is allowed to respond to a wake-up signal whose transmission angle falls within an angle range, the transmission angle is an angle between a transmission direction of the wake-up signal and a preset direction of the first smart device, and the highest signal energy is a maximum value of the signal energies of the plurality of smart devices;
a second determining module, configured to determine a target smart device according to a target angle and a target angle range when a second smart device having an energy difference smaller than or equal to a target energy threshold exists in the first smart device, where the target smart device is configured to respond to the target wake-up signal, the target angle is an angle between a target transmitting direction of the target wake-up signal and a target preset direction of the second smart device, and the target angle range is an angle range in which the second smart device is allowed to respond to the wake-up signal.
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium, in which a computer program is stored, where the computer program is configured to execute the above-mentioned wake-up method of the smart device when running.
According to another aspect of the embodiments of the present invention, there is also provided an electronic apparatus, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the wake-up method of the intelligent device through the computer program.
In the embodiment of the invention, the signal energy of a target wake-up signal detected by each intelligent device in a plurality of intelligent devices in a target scene is acquired; under the condition that the plurality of intelligent devices comprise a first intelligent device, determining an energy difference value between signal energy corresponding to the first intelligent device and the highest signal energy, wherein the first intelligent device is an intelligent device which is allowed to respond to a wake-up signal of which the emission angle falls within an angle range, the emission angle is an angle between the emission direction of the wake-up signal and a preset direction of the first intelligent device, and the highest signal energy is the maximum value in the signal energy of the plurality of intelligent devices; determining a target intelligent device according to the target angle and the target angle range under the condition that a second intelligent device with an energy difference value smaller than or equal to the target energy threshold exists in the first intelligent device, wherein the target intelligent device is used for responding to the target wake-up signal, the target angle is an angle between a target transmitting direction of the target wake-up signal and a target preset direction of the second intelligent device, the target angle range is an angle range allowing the second intelligent device to respond to the wake-up signal, that is, if a plurality of smart devices in the target scene detect the target wake-up signal, the signal energy corresponding to each smart device is first determined, if a first smart device is included in the plurality of smart devices that is allowed to respond to a wake-up signal whose transmission angle falls within an angular range, an energy difference between the signal energy corresponding to the first smart device and the highest signal energy of the signal energies of the plurality of smart devices is determined. If a second intelligent device with an energy difference smaller than or equal to a target energy threshold exists in the first intelligent device, the target intelligent device is determined to respond to the target wake-up signal according to a target angle between a target transmitting direction of the target wake-up signal and a target preset direction of the second intelligent device and a target angle range allowing the second intelligent device to respond to the wake-up signal. By adopting the technical scheme, the problems that in the correlation technique, the accuracy of the intelligent equipment responding to the awakening signal determined from the intelligent equipment is low and the like are solved, and the technical effect of improving the accuracy of the intelligent equipment responding to the awakening signal determined from the intelligent equipment is achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a block diagram of a hardware structure of a computer terminal of a wake-up method for an intelligent device according to an embodiment of the present invention;
FIG. 2 is a flow chart of a wake-up method of a smart device according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a wake-up method of a smart device according to an embodiment of the invention;
FIG. 4 is a schematic diagram of a test scenario of a wake-up process of a smart device according to the present embodiment;
fig. 5 is a block diagram of a wake-up apparatus of a smart device according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The method provided by the embodiment of the invention can be executed in a computer terminal, a computer terminal or a similar arithmetic device. Taking an example of the operation on a computer terminal, fig. 1 is a hardware structure block diagram of a computer terminal of the wake-up method of an intelligent device according to the embodiment of the present invention. As shown in fig. 1, the computer terminal may include one or more (only one shown in fig. 1) processors 102 (the processors 102 may include, but are not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA) and a memory 104 for storing data, and in an exemplary embodiment, may also include a transmission device 106 for communication functions and an input-output device 108. It will be understood by those skilled in the art that the structure shown in fig. 1 is only an illustration and is not intended to limit the structure of the computer terminal. For example, the computer terminal may also include more or fewer components than shown in FIG. 1, or have a different configuration with equivalent functionality to that shown in FIG. 1 or with more functionality than that shown in FIG. 1.
The memory 104 may be used to store a computer program, for example, a software program and a module of application software, such as a computer program corresponding to the wake-up method of the smart device in the embodiment of the present invention, and the processor 102 executes the computer program stored in the memory 104 to execute various functional applications and data processing, i.e., to implement the method described above. The memory 104 may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include memory located remotely from the processor 102, which may be connected to a computer terminal over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The transmission device 106 is used for receiving or transmitting data via a network. Specific examples of the network described above may include a wireless network provided by a communication provider of the computer terminal. In one example, the transmission device 106 includes a Network adapter (NIC), which can be connected to other Network devices through a base station so as to communicate with the internet. In one example, the transmission device 106 may be a Radio Frequency (RF) module, which is used for communicating with the internet in a wireless manner.
In this embodiment, a wake-up method for an intelligent device is provided, which is applied to the computer terminal, and fig. 2 is a flowchart of the wake-up method for the intelligent device according to the embodiment of the present invention, where the flowchart includes the following steps:
step S202, acquiring signal energy of a target wake-up signal detected by each intelligent device in a plurality of intelligent devices in a target scene;
step S204, under the condition that the plurality of intelligent devices include a first intelligent device, determining an energy difference value between signal energy corresponding to the first intelligent device and the highest signal energy, wherein the first intelligent device is an intelligent device which is allowed to respond to a wake-up signal of which the emission angle falls within an angle range, the emission angle is an angle between the emission direction of the wake-up signal and a preset direction of the first intelligent device, and the highest signal energy is the maximum value in the signal energy of the plurality of intelligent devices;
step S206, in a case that a second smart device whose energy difference is smaller than or equal to a target energy threshold exists in the first smart device, determining a target smart device according to a target angle and a target angle range, where the target smart device is configured to respond to the target wake-up signal, the target angle is an angle between a target transmission direction of the target wake-up signal and a target preset direction of the second smart device, and the target angle range is an angle range in which the second smart device is allowed to respond to the wake-up signal.
Through the steps, if a plurality of intelligent devices in a target scene detect a target wake-up signal, the signal energy corresponding to each intelligent device is determined firstly, and if a first intelligent device which is allowed to respond to the wake-up signal the emission angle of which falls within an angle range is included in the plurality of intelligent devices, the energy difference value between the signal energy corresponding to the first intelligent device and the highest signal energy in the signal energies of the plurality of intelligent devices is determined. If a second intelligent device with an energy difference smaller than or equal to a target energy threshold exists in the first intelligent device, the target intelligent device is determined to respond to the target wake-up signal according to a target angle between a target transmitting direction of the target wake-up signal and a target preset direction of the second intelligent device and a target angle range allowing the second intelligent device to respond to the wake-up signal. By adopting the technical scheme, the problems that in the correlation technique, the accuracy of the intelligent equipment responding to the awakening signal determined from the intelligent equipment is low and the like are solved, and the technical effect of improving the accuracy of the intelligent equipment responding to the awakening signal determined from the intelligent equipment is achieved.
In the technical solution provided in step S202, the target scenario may include, but is not limited to, any scenario in which a smart device that allows responding to a wake-up signal is deployed, such as: a house, a bedroom, a parking lot, a classroom, an office, a conference room, a restaurant, a playground, a stadium, and the like.
Optionally, in this embodiment, the smart device in the target scenario may include, but is not limited to, any smart device that allows responding to the wake-up signal, such as: mobile phone, tablet personal computer, sound box, air conditioner and washing machine
Optionally, in this embodiment, the target wake-up signal may include, but is not limited to, an audio signal or the like that detects the target wake-up word. Such as: carrying the voice of the target wake-up word.
Optionally, in this embodiment, the signal energy of the target wake-up signal may be, but is not limited to, the signal energy of each channel frequency domain received by the microphone array of the smart device, and the energy spectral density and the energy of the reverberation component are calculated to represent the signal energy.
In an exemplary embodiment, after the above step S202, the target smart device may also be determined, but is not limited to, by: determining that the first smart device is not included in the plurality of smart devices; and determining the intelligent device corresponding to the highest signal energy as the target intelligent device.
Optionally, in this embodiment, if there is no first smart device in the plurality of smart devices, the smart device corresponding to the highest signal energy is determined as the target smart device according to the signal energy level corresponding to the smart device.
In the technical solution provided in step S204, the first smart device may also be, but not limited to, referred to as an oriented smart device, which allows responding to the wake-up signal whose angle between the transmission direction and the preset direction of the smart device falls within the angle range corresponding to the smart device, that is, the smart device does not respond to the wake-up signal in all directions, but corresponds to a certain angle range, and the wake-up signal transmitted from the angle range allows waking up the smart device of the type.
Optionally, in this embodiment, the highest signal energy is a maximum value of the signal energies of the plurality of smart devices. And comparing the signal energy corresponding to the first intelligent device with the maximum value of the signal energies of the intelligent devices so as to determine whether to use a response strategy with a response strategy towards the intelligent device or a response strategy of a nearby principle.
In an exemplary embodiment, after the above step S204, the target smart device may also be determined, but is not limited to, by: determining that none of the first smart devices include the second smart device for which the energy difference value is less than or equal to the target energy threshold; and determining the intelligent device corresponding to the highest signal energy as the target intelligent device.
Optionally, in this embodiment, if there is no second smart device with a smaller energy difference value corresponding to the first smart device, the smart device corresponding to the highest signal energy is determined as the target smart device according to the signal energy level corresponding to the smart device.
In the technical solution provided in step S206, the target transmission direction of the target wake-up signal may also be an orientation of the sound source, and the target preset direction of the second smart device may be, but is not limited to, a front side of the second smart device, or a certain orientation of the second smart device.
Optionally, in this embodiment, the determined target intelligent device is configured to respond to the target wake-up signal, and the target intelligent device may respond to the target wake-up signal and analyze a subsequently received operation instruction to perform a corresponding operation.
In an exemplary embodiment, in the above step S206, the target smart device may be determined by, but is not limited to, the following means: acquiring the second intelligent device of which the energy difference value is smaller than or equal to the target energy threshold from the first intelligent device; determining a target angle between a target transmitting direction of the target wake-up signal and a target preset direction of the second intelligent device; and determining the target intelligent equipment according to the relation between the target angle and the target angle range corresponding to the second intelligent equipment.
Optionally, in this embodiment, the second smart device is equivalent to a smart device in the first smart device, where a difference between signal energy and highest signal energy is small, or a smart device with large detected signal energy, the smart device with large signal energy and orientation information is obtained from the first smart device, and then a target smart device is determined from the smart device with large signal energy and orientation information according to a relationship between a sound source orientation and a smart device orientation, so as to meet an expectation of a user when sending a wake-up signal, so that the smart device responding to the wake-up signal of the user is more consistent with the smart device expected by the user, and accuracy of determining the smart device responding to the wake-up signal is improved.
Optionally, in this embodiment, the target energy threshold may be, but is not limited to, a preset value, and may also be, but is not limited to, calculated according to the highest signal energy, such as: the target energy threshold may be, but is not limited to, 20%, 25%, 34%, 55%, etc. of the highest signal energy.
In an exemplary embodiment, the target smart device may be determined according to a relationship between the target angle and a target angle range corresponding to the second smart device by, but not limited to: acquiring a third intelligent device of which the target angle falls into the target angle range from the second intelligent device; and under the condition that the third intelligent device is determined to be obtained, determining the target intelligent device according to the number of the third intelligent devices and the signal energy of the third intelligent device.
Optionally, in this embodiment, a third smart device with a target angle falling within the target angle range is obtained from the second smart device, that is, a smart device with a sound source whose orientation meets the device orientation requirement is obtained from the second smart device as the third smart device.
Optionally, in this embodiment, after the third smart device is determined, the target smart device may be determined according to the device number and the signal energy of the third smart device, and different device numbers and different signal energies may, but are not limited to, adopt different determination manners.
In an exemplary embodiment, the target smart device may be determined according to the number of devices of the third smart device and the signal energy of the third smart device by, but not limited to:
in a first mode, when the third smart device is a device, the device is determined as the target smart device.
Optionally, in this embodiment, if the number of the third smart devices is 1, it is directly determined as the target smart device.
In a second mode, when the third smart device is a plurality of devices, the smart device with the highest signal energy among the plurality of devices is determined as the target smart device.
Optionally, in this embodiment, if the number of the third smart devices is not 1, but is multiple, the smart device with the highest signal energy is obtained from the multiple devices as the target smart device.
In an exemplary embodiment, after the above step S206, the target smart device may also be determined, but is not limited to, by: determining intelligent equipment which does not acquire the target angle and falls into the target angle range from the second intelligent equipment; and determining the intelligent device corresponding to the highest signal energy as the target intelligent device.
Optionally, in this embodiment, if no intelligent device meeting the device orientation requirement is obtained from the second intelligent devices with a smaller difference between the signal energy and the highest signal energy, the intelligent device corresponding to the highest signal energy is determined as the target intelligent device according to the signal energy corresponding to the intelligent device.
In order to better understand the process of the wake-up method of the intelligent device, the following describes an implementation method flow of the wake-up process of the intelligent device with reference to an optional embodiment, but the implementation method flow is not limited to the technical solution of the embodiment of the present invention.
In this embodiment, a method for waking up an intelligent device is provided, and fig. 3 is a schematic diagram of a method for waking up an intelligent device according to an embodiment of the present invention, as shown in fig. 3, where two or more intelligent devices exist in a distributed system, in this embodiment, taking two intelligent devices as an example, when waking up a device, it is first determined whether there is an oriented speech device (i.e., the first intelligent device, such as a television) in the system, and if there is no intelligent device with the highest signal energy is woken up, a microphone array may be used to receive frequency domain signals of each channel, calculate an energy spectral density and an energy of a reverberation component, and further obtain signal energy representing a relative distance of a sound source. If the intelligent device has a television, comparing whether the energy difference value of the two intelligent devices is within a% of the highest signal energy, wherein a can be set to 40, if the energy difference value exceeds 40%, the intelligent device with high signal energy is awakened, if the energy difference value is within 40%, the angle value of the sound source is seen, the angle value is the angle between the orientation of the sound source and the orientation facing the television in the forward direction and can be 80-100 degrees, if the energy difference value is not within the angle, the device with high signal energy is awakened, and if the energy difference value is within the angle, the intelligent device with orientation information is awakened, namely the television is awakened.
In this embodiment, the above process is also tested, fig. 4 is a schematic diagram of a test scenario of the wake-up process of the smart device according to this embodiment, and as shown in fig. 4, the smart device has a sound box and a television, and three groups of test scenarios are respectively set up, where in scenario 1, the sound source faces toward the television, and is 1m away from the television and 0.5m away from the sound box. In scene 2, the sound source is simultaneously directed towards the television and the loudspeaker, and the sound source is 1m from the television and 0.5m from the loudspeaker. In scene 3, the sound source is neither oriented towards the television nor towards the soundbox, and the sound source is 1m from the television and 0.5m from the soundbox.
Before testing, the test equipment is ensured to test the awakening rate, and the awakening rate is ensured to be 95% or above. The test environment is a normal home environment and the network quality is good. All the devices are in a network and can enter the wake-up mode of the distributed intelligent device described in the above embodiment, that is, only one of the devices is woken up, and not woken up at the same time. The distributed awakening corpus covers various speakers, various speech rates and various age groups, and each scene has 100 awakening words.
100 wake-up tests were performed on each of the above scenarios to obtain the test results shown in table 1.
TABLE 1
Figure BDA0003178440670000121
As can be seen from table 1, 100 wake-up tests are performed in scene 1, and 98 times are expected to wake up the device tv, and the wake-up success rate reaches 98%. In scene 2, 100 times of awakening tests are performed, 97 times of awakening tests are expected to awaken the equipment television, and the awakening success rate reaches 97%. And (3) performing 100 awakening tests in a scene 3, wherein 99 times of awakening tests are expected to awaken the equipment loudspeaker box, and the awakening success rate reaches 99%.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
Fig. 5 is a block diagram of a wake-up apparatus of a smart device according to an embodiment of the present invention; as shown in fig. 5, includes:
an obtaining module 52, configured to obtain signal energy of a target wake-up signal detected by each of a plurality of smart devices in a target scene;
a first determining module 54, configured to, in a case that a first smart device is included in the plurality of smart devices, determine an energy difference between a signal energy corresponding to the first smart device and a highest signal energy, where the first smart device is a smart device that is allowed to respond to a wake-up signal whose transmission angle falls within an angle range, the transmission angle is an angle between a transmission direction of the wake-up signal and a preset direction of the first smart device, and the highest signal energy is a maximum value of the signal energies of the plurality of smart devices;
a second determining module 56, configured to determine a target smart device according to a target angle and a target angle range when a second smart device whose energy difference is smaller than or equal to a target energy threshold exists in the first smart device, where the target smart device is configured to respond to the target wake-up signal, the target angle is an angle between a target transmitting direction of the target wake-up signal and a target preset direction of the second smart device, and the target angle range is an angle range in which the second smart device is allowed to respond to the wake-up signal.
With the above embodiment, if a plurality of smart devices in a target scene all detect a target wake-up signal, a signal energy corresponding to each smart device is determined first, and if a first smart device that is allowed to respond to a wake-up signal whose emission angle falls within an angle range is included in the plurality of smart devices, an energy difference between the signal energy corresponding to the first smart device and a highest signal energy among the signal energies of the plurality of smart devices is determined. If a second intelligent device with an energy difference smaller than or equal to a target energy threshold exists in the first intelligent device, the target intelligent device is determined to respond to the target wake-up signal according to a target angle between a target transmitting direction of the target wake-up signal and a target preset direction of the second intelligent device and a target angle range allowing the second intelligent device to respond to the wake-up signal. By adopting the technical scheme, the problems that in the correlation technique, the accuracy of the intelligent equipment responding to the awakening signal determined from the intelligent equipment is low and the like are solved, and the technical effect of improving the accuracy of the intelligent equipment responding to the awakening signal determined from the intelligent equipment is achieved.
In one exemplary embodiment, the second determining module includes:
an obtaining unit, configured to obtain, from the first smart device, the second smart device whose energy difference is smaller than or equal to the target energy threshold;
the first determining unit is used for determining a target angle between a target transmitting direction of the target wake-up signal and a target preset direction of the second intelligent device;
and the second determining unit is used for determining the target intelligent equipment according to the relation between the target angle and the target angle range.
In an exemplary embodiment, the second determination unit is configured to:
acquiring a third intelligent device of which the target angle falls into the target angle range from the second intelligent device;
and under the condition that the third intelligent device is determined to be obtained, determining the target intelligent device according to the number of the third intelligent devices and the signal energy of the third intelligent device.
In an exemplary embodiment, the second determination unit is configured to:
determining the one device as the target smart device if the third smart device is the one device;
and under the condition that the third intelligent device is a plurality of devices, determining the intelligent device with the highest signal energy in the plurality of devices as the target intelligent device.
In one exemplary embodiment, the apparatus further comprises:
a third determining module, configured to determine, after acquiring a third smart device, from the second smart device, that the target angle falls within the target angle range, that a smart device, from the second smart device, that does not acquire that the target angle falls within the target angle range is not acquired;
and the fourth determination module is used for determining the intelligent device corresponding to the highest signal energy as the target intelligent device.
In one exemplary embodiment, the apparatus further comprises:
a fifth determining module, configured to determine that the first smart device is not included in the plurality of smart devices after acquiring signal energy of the target wake-up signal detected by each of the plurality of smart devices in a target scene;
and the sixth determining module is used for determining the intelligent device corresponding to the highest signal energy as the target intelligent device.
In one exemplary embodiment, the apparatus further comprises:
a seventh determining module, configured to determine, after determining an energy difference value between the signal energy corresponding to the first smart device and a highest signal energy, that the second smart device, which is not included in the first smart device and has the energy difference value smaller than or equal to the target energy threshold, is not included in the first smart device;
and the eighth determining module is used for determining the intelligent device corresponding to the highest signal energy as the target intelligent device.
An embodiment of the present invention further provides a storage medium including a stored program, wherein the program executes any one of the methods described above.
Alternatively, in the present embodiment, the storage medium may be configured to store program codes for performing the following steps:
s1, acquiring the signal energy of the target wake-up signal detected by each intelligent device in the plurality of intelligent devices in the target scene;
s2, in a case that a first smart device is included in the plurality of smart devices, determining an energy difference between a signal energy corresponding to the first smart device and a highest signal energy, where the first smart device is a smart device that is allowed to respond to a wake-up signal whose transmission angle falls within an angle range, the transmission angle is an angle between a transmission direction of the wake-up signal and a preset direction of the first smart device, and the highest signal energy is a maximum value of the signal energies of the plurality of smart devices;
s3, when a second smart device having an energy difference smaller than or equal to a target energy threshold exists in the first smart device, determining a target smart device according to a target angle and a target angle range, where the target smart device is configured to respond to the target wake-up signal, the target angle is an angle between a target emission direction of the target wake-up signal and a target preset direction of the second smart device, and the target angle range is an angle range that allows the second smart device to respond to the wake-up signal.
Embodiments of the present invention also provide an electronic device comprising a memory having a computer program stored therein and a processor arranged to run the computer program to perform the steps of any of the above method embodiments.
Optionally, the electronic apparatus may further include a transmission device and an input/output device, wherein the transmission device is connected to the processor, and the input/output device is connected to the processor.
Optionally, in this embodiment, the processor may be configured to execute the following steps by a computer program:
s1, acquiring the signal energy of the target wake-up signal detected by each intelligent device in the plurality of intelligent devices in the target scene;
s2, in a case that a first smart device is included in the plurality of smart devices, determining an energy difference between a signal energy corresponding to the first smart device and a highest signal energy, where the first smart device is a smart device that is allowed to respond to a wake-up signal whose transmission angle falls within an angle range, the transmission angle is an angle between a transmission direction of the wake-up signal and a preset direction of the first smart device, and the highest signal energy is a maximum value of the signal energies of the plurality of smart devices;
s3, when a second smart device having an energy difference smaller than or equal to a target energy threshold exists in the first smart device, determining a target smart device according to a target angle and a target angle range, where the target smart device is configured to respond to the target wake-up signal, the target angle is an angle between a target emission direction of the target wake-up signal and a target preset direction of the second smart device, and the target angle range is an angle range that allows the second smart device to respond to the wake-up signal.
Optionally, in this embodiment, the storage medium may include, but is not limited to: various media capable of storing program codes, such as a usb disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk.
Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments and optional implementation manners, and this embodiment is not described herein again.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A method for waking up an intelligent device, comprising:
acquiring signal energy of a target wake-up signal detected by each intelligent device in a plurality of intelligent devices in a target scene;
under the condition that a first intelligent device is included in the plurality of intelligent devices, determining an energy difference value between signal energy corresponding to the first intelligent device and the highest signal energy, wherein the first intelligent device is an intelligent device which is allowed to respond to a wake-up signal of which the emission angle falls within an angle range, the emission angle is an angle between the emission direction of the wake-up signal and a preset direction of the first intelligent device, and the highest signal energy is the maximum value in the signal energy of the plurality of intelligent devices;
and under the condition that a second intelligent device with the energy difference value smaller than or equal to a target energy threshold exists in the first intelligent device, determining a target intelligent device according to a target angle and a target angle range, wherein the target intelligent device is used for responding to the target wake-up signal, the target angle is an angle between a target transmitting direction of the target wake-up signal and a target preset direction of the second intelligent device, and the target angle range is an angle range allowing the second intelligent device to respond to the wake-up signal.
2. The method for waking up an intelligent device according to claim 1, wherein determining a target intelligent device according to the target angle and the target angle range comprises:
acquiring the second intelligent device of which the energy difference value is smaller than or equal to the target energy threshold from the first intelligent device;
determining the target angle between the target transmitting direction of the target wake-up signal and the target preset direction of the second intelligent device;
and determining the target intelligent equipment according to the relation between the target angle and the target angle range.
3. The method for waking up a smart device according to claim 2, wherein determining the target smart device according to the relationship between the target angle and the target angle range comprises:
acquiring a third intelligent device of which the target angle falls into the target angle range from the second intelligent device;
and under the condition that the third intelligent device is determined to be obtained, determining the target intelligent device according to the number of the third intelligent devices and the signal energy of the third intelligent device.
4. The method for waking up a smart device according to claim 3, wherein determining the target smart device according to the number of devices of the third smart device and the signal energy of the third smart device comprises:
determining the one device as the target smart device if the third smart device is the one device;
and under the condition that the third intelligent device is a plurality of devices, determining the intelligent device with the highest signal energy in the plurality of devices as the target intelligent device.
5. The wake-up method of a smart device according to claim 3, wherein after obtaining a third smart device from the second smart device, the target angle of which falls within the target angle range, the method further comprises:
determining intelligent equipment which does not acquire the target angle and falls into the target angle range from the second intelligent equipment;
and determining the intelligent device corresponding to the highest signal energy as the target intelligent device.
6. The method of waking up a smart device as recited in claim 1, wherein after acquiring the signal energy of the target wake-up signal detected by each of the plurality of smart devices in the target scene, the method further comprises:
determining that the first smart device is not included in the plurality of smart devices;
and determining the intelligent device corresponding to the highest signal energy as the target intelligent device.
7. The smart device wake-up method according to claim 1, wherein after determining the energy difference between the signal energy corresponding to the first smart device and the highest signal energy, the method further comprises:
determining that none of the first smart devices include the second smart device for which the energy difference value is less than or equal to the target energy threshold;
and determining the intelligent device corresponding to the highest signal energy as the target intelligent device.
8. A wake-up unit of a smart device, comprising:
the system comprises an acquisition module, a processing module and a display module, wherein the acquisition module is used for acquiring the signal energy of a target wake-up signal detected by each intelligent device in a plurality of intelligent devices in a target scene;
a first determining module, configured to determine, when a first smart device is included in the plurality of smart devices, an energy difference between a signal energy corresponding to the first smart device and a highest signal energy, where the first smart device is a smart device that is allowed to respond to a wake-up signal whose transmission angle falls within an angle range, the transmission angle is an angle between a transmission direction of the wake-up signal and a preset direction of the first smart device, and the highest signal energy is a maximum value of the signal energies of the plurality of smart devices;
a second determining module, configured to determine a target smart device according to a target angle and a target angle range when a second smart device having an energy difference smaller than or equal to a target energy threshold exists in the first smart device, where the target smart device is configured to respond to the target wake-up signal, the target angle is an angle between a target transmitting direction of the target wake-up signal and a target preset direction of the second smart device, and the target angle range is an angle range in which the second smart device is allowed to respond to the wake-up signal.
9. A computer-readable storage medium, comprising a stored program, wherein the program is operable to perform the method of any one of claims 1 to 7.
10. An electronic device comprising a memory and a processor, characterized in that the memory has stored therein a computer program, the processor being arranged to execute the method of any of claims 1 to 7 by means of the computer program.
CN202110839790.2A 2021-07-23 2021-07-23 Awakening method and device of intelligent equipment, storage medium and electronic device Pending CN113611298A (en)

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Applications Claiming Priority (1)

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