WO2022183641A1 - 一种耳机及其控制方法、装置 - Google Patents

一种耳机及其控制方法、装置 Download PDF

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Publication number
WO2022183641A1
WO2022183641A1 PCT/CN2021/102837 CN2021102837W WO2022183641A1 WO 2022183641 A1 WO2022183641 A1 WO 2022183641A1 CN 2021102837 W CN2021102837 W CN 2021102837W WO 2022183641 A1 WO2022183641 A1 WO 2022183641A1
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WIPO (PCT)
Prior art keywords
gesture
earphone
ultrasonic
headset
echo signal
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Ceased
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PCT/CN2021/102837
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English (en)
French (fr)
Inventor
杨培
云昊
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Goertek Inc
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Goertek Inc
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Publication date
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Priority to US17/789,919 priority Critical patent/US12386427B2/en
Publication of WO2022183641A1 publication Critical patent/WO2022183641A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/04—Systems determining presence of a target
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/539—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • G06F3/165—Management of the audio stream, e.g. setting of volume, audio stream path
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • G06F3/167—Audio in a user interface, e.g. using voice commands for navigating, audio feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041—Mechanical or electronic switches, or control elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly
    • H04R1/1075—Mountings of transducers in earphones or headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones

Definitions

  • Embodiments of the present invention relate to the technical field of earphones, and in particular, to an earphone and a control method and device thereof.
  • TWS Truste Wireless Stereo
  • Bluetooth headsets have developed rapidly and their shipments have grown exponentially. Development prospects are very good.
  • the realization of TWS technology is based on the development of chip technology, which means that the mobile phone is connected to the main earphone, and then the main earphone is connected to the slave earphone wirelessly through Bluetooth, so as to realize the true wireless separation of the left and right channels of Bluetooth.
  • the music playback control functions of TWS headphones include: music play, pause, previous song, next song, volume +, volume -.
  • This function is usually realized by infrared IR or capacitive touch, but infrared IR
  • the power consumption of the method is relatively large, it requires openings and is easily affected by light, and the capacitive touch method requires a certain plane space outside the earphone.
  • the influence of external environmental factors such as dust and sweat reduces the recognition sensitivity.
  • the purpose of the embodiments of the present invention is to provide an earphone and a control method and device thereof, which can improve the control sensitivity of the earphone and the user experience during use, which is beneficial to the miniaturization of the earphone product.
  • the embodiment of the present invention provides a kind of earphone control method, is applied to the earphone that is provided with ultrasonic transceiver and ultrasonic receiver, including:
  • the ultrasonic transceiver acquiring the first echo signal collected by the ultrasonic transceiver, and determining whether there is an object within a preset range according to the first echo signal, and if so, controlling the ultrasonic transceiver to transmit a second ultrasonic signal;
  • the headset According to the current working mode of the headset and corresponding preset gestures, it is determined whether the recognition result is a valid gesture, and if so, the headset is controlled to perform a corresponding action according to an action instruction corresponding to the valid gesture.
  • the process of determining whether the recognition result is a valid gesture according to the current working mode of the headset and the corresponding preset gestures is as follows:
  • the recognition result is matched with the preset gesture, and if there is a preset gesture consistent with the recognition result, the recognition result is a valid gesture.
  • each preset gesture corresponding to the music playback mode includes:
  • Swipe up gesture, swipe down gesture, swipe left gesture, and swipe right gesture among which, swiping in the direction of the face in the horizontal direction is a swipe left gesture, and swiping away from the direction of the face is a swipe right gesture, and in the vertical direction Swiping up away from the ground is an up-swipe gesture, and swiping close to the ground is a down-swipe gesture.
  • the action instruction corresponding to the slide up gesture is to play the previous piece of music
  • the action instruction corresponding to the slide down gesture is to play the next piece of music
  • the action instruction corresponding to the left slide gesture is to increase the volume. If it is large, the action instruction corresponding to the right swipe gesture is to decrease the volume.
  • each preset gesture corresponding to the music playback mode further includes: a slap gesture, where the slap gesture is a gesture vertically approaching the earphone in the horizontal direction;
  • the headset is controlled to perform a corresponding action according to the action instruction.
  • the working state is a music playing state
  • the action instruction corresponding to the slap gesture is a music pause instruction
  • the action instruction corresponding to the slap gesture is the play resume instruction.
  • the current working mode is a call mode
  • each preset gesture corresponding to the call mode includes the slap gesture
  • the headset is controlled to enter a call state according to the answering instruction.
  • An embodiment of the present invention also provides an earphone control device, which is applied to an earphone provided with an ultrasonic transceiver and an ultrasonic receiver, including:
  • transceiver module used for controlling the ultrasonic transceiver to transmit the first ultrasonic signal during the wearing of the earphone; and also used for controlling the ultrasonic transceiver to transmit the second ultrasonic signal;
  • an acquisition module for acquiring the first echo signal collected by the ultrasonic transceiver
  • a first judging module for judging whether there is an object within a preset range according to the first echo signal, and if so, triggering the transceiver module
  • an identification module configured to perform feature extraction and gesture recognition according to the second echo signal collected by the ultrasonic transceiver and the third echo signal collected by the ultrasonic receiver to obtain a recognition result
  • the second judgment module is configured to determine whether the recognition result is a valid gesture according to the current working mode of the headset and corresponding preset gestures, and if so, trigger the execution module;
  • the executing module is configured to control the earphone to execute the corresponding action according to the action instruction corresponding to the valid gesture.
  • An embodiment of the present invention also provides an earphone, including an ultrasonic transceiver, an ultrasonic receiver and a processor, wherein:
  • the ultrasonic transceiver is used for transmitting the first ultrasonic signal and transmitting the second ultrasonic signal, and is also used for receiving the first echo signal and the second echo signal;
  • the ultrasonic receiver for receiving the third echo signal
  • the memory for storing computer programs
  • the processor is configured to implement the steps of the above-mentioned headset control method when executing the computer program.
  • the earphone is a TWS earphone
  • the secondary microphone on the earphone is a MIC with an ultrasonic receiving function
  • the secondary microphone is used as the ultrasonic receiver.
  • Embodiments of the present invention provide an earphone and a method and device for controlling the same.
  • the method is applied to an earphone provided with an ultrasonic transceiver and an ultrasonic receiver.
  • the ultrasonic transceiver is controlled to transmit a first ultrasonic signal
  • the ultrasonic transceiver is controlled to transmit a first ultrasonic signal.
  • the first echo signal received by the ultrasonic transceiver determines whether there is an object within the preset range, and when there is an object, the ultrasonic transceiver transmits a second ultrasonic signal, and then according to the second echo signal received by the ultrasonic transceiver and the ultrasonic wave
  • the third echo signal received by the receiver is subjected to gesture recognition and feature extraction to obtain a recognition result, and the recognition result is matched with each preset gesture corresponding to the current working mode to determine whether the recognized gesture is a valid gesture, and if it is valid gesture, then control the earphone to perform the corresponding action according to the action command corresponding to the effective gesture;
  • the ultrasonic transceiver and the ultrasonic receiver adopted in the present invention have the advantages of low power consumption, small size of the device, and low cost, and can be implemented according to the gesture. On the basis of identifying and controlling the earphone, the control sensitivity of the earphone and the user experience can be improved, which is beneficial to the miniaturization of the
  • FIG. 1 is a schematic flowchart of a method for controlling an earphone according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of an earphone control device according to an embodiment of the present invention.
  • the embodiments of the present invention provide an earphone and a control method and device thereof, which can improve the control sensitivity of the earphone and the user experience during use, which is beneficial to the miniaturization of the earphone product.
  • FIG. 1 is a schematic flowchart of a method for controlling an earphone according to an embodiment of the present invention.
  • the method is applied to a headset provided with an ultrasonic transceiver and an ultrasonic receiver, including:
  • S110 control the ultrasonic transceiver to transmit the first ultrasonic signal during the wearing process of the earphone;
  • the ultrasonic transceiver can be controlled to transmit the first ultrasonic signal, specifically, the first ultrasonic signal can be transmitted every T1 time interval.
  • S120 Acquire the first echo signal collected by the ultrasonic transceiver, and determine whether there is an object within the preset range according to the first echo signal, and if so, enter S130;
  • the ultrasonic transceiver After the ultrasonic transceiver transmits the first ultrasonic signal, it will receive the first echo signal by itself, and then analyze the first echo signal to further determine whether an object appears within the preset range. The distance of the object from the ultrasonic transceiver is determined by the energy of the first echo signal, so as to further determine whether the object is within the preset range.
  • S130 control the ultrasonic transceiver to transmit the second ultrasonic signal
  • the ultrasonic transceiver when it is determined that the object is within the preset range, the ultrasonic transceiver is controlled to start transmitting the second ultrasonic signal (that is, stop transmitting the first ultrasonic signal, and start transmitting the second ultrasonic signal), and the interval T2 can be specifically set.
  • the second ultrasonic signal is transmitted at intervals, wherein T1 is greater than T2, for example, T1 is 1s and T2 is 50sm, so that the power consumption of the earphone can be reduced when no objects appear.
  • the waveforms and amplitudes of the first ultrasonic signal and the second ultrasonic signal may be different, which may be specifically determined according to actual needs, which is not specifically limited in this embodiment.
  • S140 Perform feature extraction and gesture recognition according to the second echo signal collected by the ultrasonic transceiver and the third echo signal collected by the ultrasonic receiver to obtain a recognition result;
  • the second ultrasonic signal After the ultrasonic transceiver transmits the second ultrasonic signal, the second ultrasonic signal returns after encountering the object. At this time, the ultrasonic transceiver receives the second echo signal, and the ultrasonic receiver receives the first echo signal. Three echo signals, and then, according to the second echo signal and the third echo signal, the motion of the object can be recognized in two dimensions, and the corresponding features can be extracted for gesture recognition, and the recognition result can be obtained. Gesture information is included in the results.
  • S150 According to the current working mode of the headset and the corresponding preset gestures, determine whether the recognition result is a valid gesture, and if so, enter S160;
  • a plurality of preset gestures can be set in advance according to the working mode of the headset, and the corresponding relationship between each preset gesture and the action command can be established.
  • each preset gesture corresponding to the current working mode is determined, and then the recognition result is matched with each preset gesture, so as to determine whether the gesture corresponding to the recognition result is a valid gesture, that is, whether there is a If the preset gestures in the result are the same, if there is, the recognition result is if it is a valid gesture, otherwise, no valid gesture is recognized.
  • S160 Control the earphone to perform a corresponding action according to the action instruction corresponding to the valid gesture.
  • the earphone can be controlled to perform the corresponding action according to the action instruction of the preset gesture corresponding to the recognition result, so as to realize the recognition of the gesture by ultrasonic waves, so as to further realize the control of the earphone according to the gesture .
  • the process of determining whether the recognition result is a valid gesture according to the current working mode of the earphone and the corresponding preset gestures in the above S150 may specifically be:
  • the recognition result is matched with the preset gesture, and if there is a preset gesture consistent with the recognition result, the recognition result is a valid gesture.
  • a plurality of preset gestures corresponding to each working mode can be set in advance according to the working mode of the headset, and then according to the current working mode of the headset, each preset gesture corresponding to the current working mode is determined, and further identification The result is matched with each preset gesture. If a preset gesture consistent with the recognition result can be matched, the recognition result is a valid gesture; otherwise, the recognition result is an invalid gesture.
  • the ultrasonic transceiver is controlled to stop transmitting the second ultrasonic signal and start transmitting the first ultrasonic signal; that is, if no valid gesture has been detected for the first preset period of time, it can be considered that the current user does not Make a gesture to control the headset.
  • the current round of detection is over, and the next round of detection can be started, that is, the ultrasonic transceiver can stop transmitting the second ultrasonic signal and start transmitting the first ultrasonic signal to enter the next round of detection. .
  • each preset gesture corresponding to the music playing mode may include:
  • Swipe up gesture, swipe down gesture, swipe left gesture, and swipe right gesture among which, swiping in the direction of the face in the horizontal direction is a swipe left gesture, and swiping away from the direction of the face is a swipe right gesture, and in the vertical direction Swiping up away from the ground is an up-swipe gesture, and swiping close to the ground is a down-swipe gesture.
  • the action instruction corresponding to the swipe up gesture is to play the previous music
  • the action instruction corresponding to the down gesture is to play the next music
  • the action instruction corresponding to the left swipe gesture is to increase the volume
  • the action instruction corresponding to the right swipe gesture is to play the next music.
  • the action command is volume down.
  • the volume adjustment and the previous and next music adjustment are usually performed. Therefore, in the embodiment of the present invention, for the music playback mode, four preset gestures can be preset, which are respectively the above-mentioned Swipe up gesture, swipe down gesture, swipe left gesture and swipe right gesture, and the corresponding action instructions can be play previous music, play next music, volume up and volume down respectively.
  • each preset gesture corresponding to the music playing mode in the embodiment of the present invention may also include: a slap gesture, where the slap gesture is a horizontal direction. Gesture of approaching the headset vertically;
  • the working state is the music playing state
  • the action instruction corresponding to the slap gesture is the music pause instruction
  • the action instruction corresponding to the slap gesture is the play resume instruction.
  • the recognition result matches the corresponding preset gesture as a slap gesture
  • the working state of the current earphone can be obtained, and if its working state is the music playing state, the music should be paused according to the slap gesture at this time.
  • the action instruction corresponding to the slap gesture is a music pause instruction. If its working state is a paused playback state, then the music should be continued to play according to the slap gesture. Therefore, the operation corresponding to the slap gesture
  • the action command is applied as a continue play command.
  • each preset gesture corresponding to the call mode includes a slap gesture
  • the action command corresponding to the tap gesture is the hang-up command
  • the action instruction corresponding to the tap gesture is the answering instruction according to the incoming call state
  • the preset gesture corresponding to the call mode includes a slap gesture
  • the recognition result is performed according to the preset gesture corresponding to the call mode. Determine, when the recognition result is consistent with the preset gesture, further determine the current working state of the headset in the call mode. If it is in the call state, then the user needs to end the call by inputting the slap gesture, that is, he should know the hang-up operation.
  • the action command corresponding to the slap gesture at this time is a hang-up command
  • the headset is further controlled to end the current call according to the hang-up command; if the current working state of the headset is an incoming call state, then the user inputs the slap gesture as The call needs to be answered, so the action instruction corresponding to the slap gesture at this time is the answer instruction, and the headset is controlled to enter the call state according to the answer instruction.
  • the headset when the headset is a TWS headset, since the secondary microphone on the headset is used to pick up ambient sound, the secondary microphone on the headset can use a MIC with ultrasonic receiving function, and use the secondary microphone as an ultrasonic receiver. Conducive to the miniaturization of earphones.
  • the embodiment of the present invention controls the ultrasonic transceiver to transmit the first ultrasonic signal during the wearing process of the earphone, and determines whether there is an object within the preset range according to the first echo signal received by the ultrasonic transceiver, and when there is an object, another ultrasonic wave
  • the transceiver transmits the second ultrasonic signal, and then performs gesture recognition and feature extraction according to the second echo signal received by the ultrasonic transceiver and the third echo signal received by the ultrasonic receiver to obtain the recognition result, and compare the recognition result with the result.
  • the preset gestures corresponding to the current working mode are matched to determine whether the recognized gesture is a valid gesture, and if it is a valid gesture, the headset is controlled to perform corresponding actions according to the action instruction corresponding to the valid gesture; the ultrasonic transceiver adopted in the present invention
  • the ultrasonic receiver and ultrasonic receiver have the advantages of low power consumption, small size and low cost. On the basis of controlling the earphone based on gesture recognition, it can improve the control sensitivity of the earphone and the user experience, which is beneficial to the development of earphone products. miniaturization.
  • an embodiment of the present invention further provides an earphone control device, which is applied to an earphone provided with an ultrasonic transceiver and an ultrasonic receiver.
  • an earphone control device which is applied to an earphone provided with an ultrasonic transceiver and an ultrasonic receiver.
  • the device includes:
  • the transceiver module 21 is used to control the ultrasonic transceiver to transmit the first ultrasonic signal during the wearing process of the earphone; it is also used to control the ultrasonic transceiver to transmit the second ultrasonic signal;
  • the first judgment module 23 is used to judge whether there is an object within the preset range according to the first echo signal, and if so, trigger the transceiver module 21;
  • the identification module 24 is configured to perform feature extraction and gesture recognition according to the second echo signal collected by the ultrasonic transceiver and the third echo signal collected by the ultrasonic receiver to obtain a recognition result;
  • the second judgment module 25 is configured to determine whether the recognition result is a valid gesture according to the current working mode of the headset and the corresponding preset gestures, and if so, trigger the execution module 26;
  • the execution module 26 is configured to control the earphone to execute the corresponding action according to the action instruction corresponding to the valid gesture.
  • the headphone control device provided in the embodiment of the present invention has the same beneficial effects as the headphone control method provided in the above-mentioned embodiment, and for the specific introduction of the headphone control method involved in this embodiment, please refer to Referring to the above embodiments, the present application will not repeat them here.
  • the embodiments of the present invention further provide an earphone, including an ultrasonic transceiver, an ultrasonic receiver and a processor, wherein:
  • an ultrasonic transceiver used for transmitting the first ultrasonic signal and transmitting the second ultrasonic signal, and also used for receiving the first echo signal and the second echo signal;
  • an ultrasonic receiver for receiving the third echo signal
  • the processor is configured to implement the steps of the above-mentioned earphone control method when executing the computer program.
  • the secondary microphone on the earphone can use a MIC with ultrasonic receiving function, and the secondary microphone can be used as an ultrasonic receiver. Conducive to the miniaturization of earphones.
  • the processor in this embodiment can be specifically used to control the ultrasonic transceiver to transmit the first ultrasonic signal during the wearing process of the earphone; acquire the first echo signal collected by the ultrasonic transceiver, and determine whether the Whether there is an object within the preset range, and if so, control the ultrasonic transceiver to transmit the second ultrasonic signal; according to the second echo signal collected by the ultrasonic transceiver and the third echo signal collected by the ultrasonic receiver, feature extraction and gesture recognition are performed to obtain the result.
  • Recognition result according to the current working mode of the earphone and corresponding preset gestures, determine whether the recognition result is a valid gesture, and if so, control the earphone to perform the corresponding action according to the action instruction corresponding to the valid gesture.

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Abstract

一种耳机及其控制方法、装置，应用于设有超声波收发器和超声波接收器的耳机，该方法包括：在耳机佩戴过程中控制超声波收发器发射第一超声波信号（S110）；获取超声波收发器采集的第一回波信号，并依据第一回波信号判断在预设范围内是否有物体，若是（S120），则控制超声波收发器发射第二超声波信号（S130）；依据超声波收发器采集的第二回波信号及超声波接收器采集的第三回波信号进行特征提取和手势识别得到识别结果（S140）；依据耳机的当前工作模式及对应的各个预设手势，确定识别结果是否为有效手势，若是（S150），则依据与有效手势对应的动作指令控制耳机执行相应的动作（S160）；在实现对耳机进行控制的基础上，提高了对耳机的控制灵敏度及用户使用体验，有利于耳机产品小型化。

Description

一种耳机及其控制方法、装置
本申请要求于2021年3月4日提交中国专利局、申请号为202110239415.4、发明名称为“一种耳机及其控制方法、装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明实施例涉及耳机技术领域，特别是涉及一种耳机及其控制方法、装置。
背景技术
由于近几年人工智能技术迅速发展，智能穿戴产品得到前所未有的发展契机，产品呈现多样化，功能越来越丰富，其中，TWS(True Wireless Stereo)蓝牙耳机发展迅速，出货量呈指数增长，发展前景非常好。TWS技术的实现是基于芯片技术的发展，是指手机通过连接主耳机，再由主耳机通过蓝牙无线方式连接从耳机，实现真正的蓝牙左右声道无线分离使用。
目前TWS耳机的音乐播放控制功能有：音乐的播放、暂停、上一首、下一首、音量+、音量-，该功能通常是通过红外IR方式或电容式触控方式来实现，但是红外IR方式功耗比较大，需要开孔且容易受光线影响，电容式触控方式，需要耳机外侧预留一定平面空间，电容式触控限制了耳机小型化发展需求，并且电容式触控还会受到灰尘、汗水等外界环境因素的影响，降低识别灵敏度。
鉴于此，如何提供一种解决上述技术问题的耳机及其控制方法、装置成为本领域技术人员需要解决的技术问题。
发明内容
本发明实施例的目的是提供一种耳机及其控制方法、装置，在使用过程中能够提高对耳机的控制灵敏度及用户使用体验，有利于耳机产品的小型化。
为解决上述技术问题，本发明实施例提供了一种耳机控制方法，应用于 设有超声波收发器和超声波接收器的耳机，包括：
在耳机佩戴过程中控制所述超声波收发器发射第一超声波信号；
获取所述超声波收发器采集的第一回波信号，并依据所述第一回波信号判断在预设范围内是否有物体，若是，则控制所述超声波收发器发射第二超声波信号；
依据所述超声波收发器采集的第二回波信号及所述超声波接收器采集的第三回波信号进行特征提取和手势识别，得到识别结果；
依据所述耳机的当前工作模式及对应的各个预设手势，确定所述识别结果是否为有效手势，若是，则依据与所述有效手势对应的动作指令控制所述耳机执行相应的动作。
可选的，所述依据所述耳机的当前工作模式及对应的各个预设手势，确定所述识别结果是否为有效手势的过程为：
依据所述耳机的当前工作模式获取与所述当前工作模式对应的各个预设手势；
将所述识别结果与所述预设手势进行匹配，若存在与所述识别结果一致的预设手势，则所述识别结果为有效手势。
可选的，所述当前工作模式为音乐播放模式，则与所述音乐播放模式对应的各个预设手势包括：
上滑手势、下滑手势、左滑手势和右滑手势，其中，在水平方向上向人脸所朝方向滑动为左滑手势、背向人脸所朝方向滑动为右滑手势，在竖直方向上远离地面滑动为上滑手势、靠近地面滑动为下滑手势。
可选的，与所述上滑手势对应的动作指令为播放上一首音乐，与所述下滑手势对应的动作指令为播放下一首音乐，与所述左滑手势对应的动作指令为音量增大，与所述右滑手势对应的动作指令为音量减小。
可选的，与所述音乐播放模式对应的各个预设手势还包括：拍击手势，所述拍击手势为沿水平方向垂直靠近耳机的手势；
则，所述依据与所述有效手势对应的动作指令控制所述耳机执行相应的动作的过程为：
获取所述耳机当前的工作状态，并依据所述工作状态确定出与所述拍击手势对应的动作指令；
依据所述动作指令控制所述耳机执行相应的动作。
可选的，所述工作状态为音乐播放状态，则与所述拍击手势对应的动作指令为音乐暂停指令；
所述工作状态为暂停播放状态，则与所述拍击手势对应的动作指令为继续播放指令。
可选的，所述当前工作模式为通话模式，则与所述通话模式对应的各个预设手势包括所述拍击手势；
则，所述依据与所述有效手势对应的动作指令控制所述耳机执行相应的动作的过程为：
当所述耳机当前的工作状态为通话状态时，依据所述通话状态确定出与所述拍击手势对应的动作指令为挂断指令；
依据所述挂断指令控制所述耳机结束通话；
当所述耳机当前的工作状态为来电状态时，依据所述来电状态确定出与所述拍击手势对应的动作指令为接听指令；
依据所述接听指令控制所述耳机进入通话状态。
本发明实施例还提供了一种耳机控制装置，应用于设有超声波收发器和超声波接收器的耳机，包括：
收发模块，用于在耳机佩戴过程中控制所述超声波收发器发射第一超声波信号；还用于控制所述超声波收发器发射第二超声波信号；
获取模块，用于获取所述超声波收发器采集的第一回波信号；
第一判断模块，用于依据所述第一回波信号判断在预设范围内是否有物体，若是，则触发所述收发模块；
识别模块，用于依据所述超声波收发器采集的第二回波信号及所述超声波接收器采集的第三回波信号进行特征提取和手势识别，得到识别结果；
第二判断模块，用于依据所述耳机的当前工作模式及对应的各个预设手势，确定所述识别结果是否为有效手势，若是，则触发执行模块；
所述执行模块，用于依据与所述有效手势对应的动作指令控制所述耳机执行相应的动作。
本发明实施例还提供了一种耳机，包括超声波收发器、超声波接收器和处理器，其中：
所述超声波收发器，用于发射第一超声波信号和发射第二超声波信号，还用于接收第一回波信号和第二回波信号；
所述超声波接收器，用于接收第三回波信号；
所述存储器，用于存储计算机程序；
处理器，用于执行所述计算机程序时实现如上述所述耳机控制方法的步骤。
可选的，所述耳机为TWS耳机，所述耳机上的副麦克为具有超声波接收功能的MIC，将所述副麦克作为所述超声波接收器。
本发明实施例提供了一种耳机及其控制方法、装置，该方法应用于设有超声波收发器和超声波接收器的耳机，在耳机佩戴过程中控制超声波收发器发射第一超声波信号，并依据该超声波收发器接收到的第一回波信号确定预设范围内是否存在物体，当存在物体时另超声波收发器发射第二超声波信号，然后再根据超声波收发器接收到的第二回波信号以及超声波接收器接收到的第三回波信号进行手势识别和特征提取，得到识别结果，并将识别结果与当前工作模式对应的各个预设手势进行匹配以确定所识别的手势是否为有效手势，若是有效手势，则根据与该有效手势对应的动作指令控制耳机执行相应的动作；本发明中采用的超声波收发器和超声波接收器具有功耗低、器件体积小、成本低的优点，可以在实现依据手势识别对耳机进行控制的基础上，能够提高对耳机的控制灵敏度及用户使用体验，有利于耳机产品的小型化。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对现有技术和实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的一种耳机控制方法的流程示意图；
图2为本发明实施例提供的一种耳机控制装置的结构示意图。
具体实施方式
本发明实施例提供了一种耳机及其控制方法、装置，在使用过程中能够 提高对耳机的控制灵敏度及用户使用体验，有利于耳机产品的小型化。
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参照图1，图1为本发明实施例提供的一种耳机控制方法的流程示意图。该方法应用于设有超声波收发器和超声波接收器的耳机，包括：
S110：在耳机佩戴过程中控制超声波收发器发射第一超声波信号；
需要说明的是，在检测到耳机处于佩戴状态时，可以控制超声波收发器发射第一超声波信号，具体可以每间隔T1时间间隔发射一次第一超声波信号。
S120：获取超声波收发器采集的第一回波信号，并依据第一回波信号判断在预设范围内是否有物体，若是，则进入S130；
具体的，在超声波收发器发射第一超声波信号后，其自身会接收到第一回波信号，然后对该第一回波信号进行分析，来进一步确定预设范围内是否有物体出现，具体可以通过对第一回波信号的能量来确定物体距离超声波收发器的距离，以进一步确定出物体是否在预设范围内。
S130：控制超声波收发器发射第二超声波信号；
具体的，当确定出物体在预设范围内时，此时控制超声波收发器开始发射第二超声波信号(也即停止发射第一超声波信号，开始发射第二超声波信号)，具体可以设间隔T2时间间隔发射一次第二超声波信号，其中，T1大于T2，例如T1为1s，T2为50sm，从而可以在没有物体出现时降低耳机功耗。另外，第一超声波信号和第二超声波信号的波形、幅值均可不同，具体可以根据实际需要进行确定，本实施例不做特殊限定。
S140：依据超声波收发器采集的第二回波信号及超声波接收器采集的第三回波信号进行特征提取和手势识别，得到识别结果；
需要说明的是，在超声波收发器发射出第二超声波信号后，第二超声波信号遇到物体后返回，此时超声波收发器接收到的为第二回波信号，超声波 接收器接收到的为第三回波信号，然后，根据该第二回波信号和第三回波信号能够在两个维度上对物体的动作进行识别，具体可以提取出对应的特征进行手势识别，得到识别结果，该识别结果中包括手势信息。
S150：依据耳机的当前工作模式及对应的各个预设手势，确定识别结果是否为有效手势，若是，则进入S160；
需要说明的是，可以预先根据耳机的工作模式设置多个预设手势，并且建立每个预设手势与动作指令的对应关系，然后在使用过程中得到识别结果后，可以根据耳机当前所处的当前工作模式，确定出与该当前工作模式对应的各个预设手势，然后将该识别结果与各个预设手势进行匹配，从而确定出识别结果对应的手势是否为有效手势，也即是否存在与识别结果中的手势一致的预设手势，若存在则识别结果为如果是有效手势，否则，没有识别出有效手势。
S160：依据与有效手势对应的动作指令控制耳机执行相应的动作。
具体的，当识别出有效手势后，可以根据与该识别结果对应的预设手势的动作指令控制耳机执行对应的动作，从而实现通过超声波对手势进行识别，以进一步根据手势来实现对耳机的控制。
进一步的，上述S150中依据耳机的当前工作模式及对应的各个预设手势，确定识别结果是否为有效手势的过程，具体可以为：
依据耳机的当前工作模式获取与当前工作模式对应的各个预设手势；
将识别结果与预设手势进行匹配，若存在与识别结果一致的预设手势，则识别结果为有效手势。
具体的，可以预先根据耳机的工作模式设置与每个工作模式对应的多个预设手势，然后再根据耳机的当前工作模式，确定出与该当前工作模式对应的各个预设手势，进一步将识别结果与各个预设手势进行匹配，若能够匹配出与识别结果一直的预设手势，则说明该识别结果为有效手势，否则，该识别结果为无效手势。
另外，还需要说明的是，在上述150中依据耳机的当前工作模式及对应的各个预设手势，确定识别结果是否为有效手势后，根据识别结果若确定出在持续第一预设时长一直没有检测到有效手势时，则控制超声波收发器停止发射第二超声波信号，并开始发射第一超声波信号；也即，若在持续第一预 设时长一直没有检测到有效手势，则可以认为目前用户没有做出控制耳机的手势动作，此时本轮检测结束，可以开始下一轮检测，也即可以使超声波收发器停止发射第二超声波信号，并开始发射第一超声波信号，以进入下一轮检测。
更进一步的，在上述当前工作模式为音乐播放模式，则与音乐播放模式对应的各个预设手势可以包括：
上滑手势、下滑手势、左滑手势和右滑手势，其中，在水平方向上向人脸所朝方向滑动为左滑手势、背向人脸所朝方向滑动为右滑手势，在竖直方向上远离地面滑动为上滑手势、靠近地面滑动为下滑手势。
其中，与上滑手势对应的动作指令为播放上一首音乐，与下滑手势对应的动作指令为播放下一首音乐，与左滑手势对应的动作指令为音量增大，与右滑手势对应的动作指令为音量减小。
具体的，在耳机处于音乐播放模式时，通常会进行音量调节和音乐上一首和下一首调节，因此本发明实施例中针对音乐播放模式，可以预先设置四个预设手势，分别为上述上滑手势、下滑手势、左滑手势和右滑手势，并且对应的动作指令可以分别为播放上一首音乐、播放下一首音乐、音量增大和音量减小。
另外，在实际应用中用户可能还需要对音乐进行暂停和播放的操作，因此本发明实施例中与音乐播放模式对应的各个预设手势还可以包括：拍击手势，拍击手势为沿水平方向垂直靠近耳机的手势；
则，依据与有效手势对应的动作指令控制耳机执行相应的动作的过程为：
获取耳机当前的工作状态，并依据工作状态确定出与拍击手势对应的动作指令；
依据动作指令控制耳机执行相应的动作。
具体的，在实际应用中工作状态为音乐播放状态，则与拍击手势对应的动作指令为音乐暂停指令；
工作状态为暂停播放状态，则与拍击手势对应的动作指令为继续播放指令。
也即，在识别结果匹配出对应的预设手势为拍击手势时，可以获取当前耳机的工作状态，若其工作状态为音乐播放状态，则此时根据该拍击手势应 该对音乐进行暂停操作，因此与该拍击手势对应的动作指令为音乐暂停指令，若其工作状态为暂停播放状态，则此时根据该拍击手势应该对音乐进行继续播放的操作，因此与该拍击手势对应的动作指令应用为继续播放指令。
进一步的，当前工作模式为通话模式，则与通话模式对应的各个预设手势包括拍击手势；
则，依据与有效手势对应的动作指令控制耳机执行相应的动作的过程为：
当耳机当前的工作状态为通话状态时，依据通话状态确定出与拍击手势对应的动作指令为挂断指令；
依据挂断指令控制耳机结束通话；
当耳机当前的工作状态为来电状态时，依据来电状态确定出与拍击手势对应的动作指令为接听指令；
依据接听指令控制耳机进入通话状态。
还需要说明的是，当耳机的当前工作模式处于通话模式时，与通话模式对应的预设手势包括拍击手势，则当识别出识别结果后，根据通话模式对应的预设手势对识别结果进行确定，当识别结果与预设手势一致时，进一步确定当前耳机在通话模式下的工作状态，若为通话状态，则此时用户输入该拍击手势是需要结束通话，也即应该知晓挂断操作，因此此时与该拍击手势对应的动作指令为挂断指令，进一步根据该挂断指令控制耳机结束当前通话；若耳机当前的工作状态为来电状态，则此时用户输入该拍击手势是需要接听通话，因此此时与该拍击手势对应的动作指令为接听指令，并根据该接听指令控制耳机进入通话状态。
另外，当耳机为TWS耳机时，由于耳机上的副麦克是用于拾取环境声音的，因此耳机上的副麦克可以采用具有超声波接收功能的MIC，并将该副麦克作为超声波接收器，从而更有利于耳机的小型化。
可见，本发明实施例在耳机佩戴过程中控制超声波收发器发射第一超声波信号，并依据该超声波收发器接收到的第一回波信号确定预设范围内是否存在物体，当存在物体时另超声波收发器发射第二超声波信号，然后再根据超声波收发器接收到的第二回波信号以及超声波接收器接收到的第三回波信号进行手势识别和特征提取，得到识别结果，并将识别结果与当前工作模式对应的各个预设手势进行匹配以确定所识别的手势是否为有效手势，若是有 效手势，则根据与该有效手势对应的动作指令控制耳机执行相应的动作；本发明中采用的超声波收发器和超声波接收器具有功耗低、器件体积小、成本低的优点，可以在实现依据手势识别对耳机进行控制的基础上，能够提高对耳机的控制灵敏度及用户使用体验，有利于耳机产品的小型化。
在上述实施例基础上，本发明实施例还提供了一种耳机控制装置，应用于设有超声波收发器和超声波接收器的耳机，具体请参照图2。该装置包括：
收发模块21，用于在耳机佩戴过程中控制超声波收发器发射第一超声波信号；还用于控制超声波收发器发射第二超声波信号；
获取模块22，用于获取超声波收发器采集的第一回波信号；
第一判断模块23，用于依据第一回波信号判断在预设范围内是否有物体，若是，则触发收发模块21；
识别模块24，用于依据超声波收发器采集的第二回波信号及超声波接收器采集的第三回波信号进行特征提取和手势识别，得到识别结果；
第二判断模块25，用于依据耳机的当前工作模式及对应的各个预设手势，确定识别结果是否为有效手势，若是，则触发执行模块26；
执行模块26，用于依据与有效手势对应的动作指令控制耳机执行相应的动作。
需要说明的是，本发明实施例中所提供的耳机控制装置具有与上述实施例中所提供的耳机控制方法相同的有益效果，并且对于本实施例中所涉及到的耳机控制方法的具体介绍请参照上述实施例，本申请在此不再赘述。
在上述实施例基础上，本发明实施例还提供了一种耳机，包括超声波收发器、超声波接收器和处理器，其中：
超声波收发器，用于发射第一超声波信号和发射第二超声波信号，还用于接收第一回波信号和第二回波信号；
超声波接收器，用于接收第三回波信号；
存储器，用于存储计算机程序；
处理器，用于执行计算机程序时实现如上述耳机控制方法的步骤。
其中，当耳机为TWS耳机时，由于耳机上的副麦克是用于拾取环境声音 的，因此耳机上的副麦克可以采用具有超声波接收功能的MIC，并将该副麦克作为超声波接收器，从而更有利于耳机的小型化。
例如，本实施例中的处理器具体可以用于实现在耳机佩戴过程中控制超声波收发器发射第一超声波信号；获取超声波收发器采集的第一回波信号，并依据第一回波信号判断在预设范围内是否有物体，若是，则控制超声波收发器发射第二超声波信号；依据超声波收发器采集的第二回波信号及超声波接收器采集的第三回波信号进行特征提取和手势识别得到识别结果；依据耳机的当前工作模式及对应的各个预设手势，确定识别结果是否为有效手势，若是，则依据与有效手势对应的动作指令控制耳机执行相应的动作。
本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。对于实施例公开的装置而言，由于其与实施例公开的方法相对应，所以描述的比较简单，相关之处参见方法部分说明即可。
还需要说明的是，在本说明书中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个......”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其他实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (10)

  1. 一种耳机控制方法，其特征在于，应用于设有超声波收发器和超声波接收器的耳机，包括：
    在耳机佩戴过程中控制所述超声波收发器发射第一超声波信号；
    获取所述超声波收发器采集的第一回波信号，并依据所述第一回波信号判断在预设范围内是否有物体，若是，则控制所述超声波收发器发射第二超声波信号；
    依据所述超声波收发器采集的第二回波信号及所述超声波接收器采集的第三回波信号进行特征提取和手势识别，得到识别结果；
    依据所述耳机的当前工作模式及对应的各个预设手势，确定所述识别结果是否为有效手势，若是，则依据与所述有效手势对应的动作指令控制所述耳机执行相应的动作。
  2. 根据权利要求1所述的耳机控制方法，其特征在于，所述依据所述耳机的当前工作模式及对应的各个预设手势，确定所述识别结果是否为有效手势的过程为：
    依据所述耳机的当前工作模式获取与所述当前工作模式对应的各个预设手势；
    将所述识别结果与所述预设手势进行匹配，若存在与所述识别结果一致的预设手势，则所述识别结果为有效手势。
  3. 根据权利要求2所述的耳机控制方法，其特征在于，所述当前工作模式为音乐播放模式，则与所述音乐播放模式对应的各个预设手势包括：
    上滑手势、下滑手势、左滑手势和右滑手势，其中，在水平方向上向人脸所朝方向滑动为左滑手势、背向人脸所朝方向滑动为右滑手势，在竖直方向上远离地面滑动为上滑手势、靠近地面滑动为下滑手势。
  4. 根据权利要求3所述的耳机控制方法，其特征在于，与所述上滑手势对应的动作指令为播放下上一首音乐，与所述下滑手势对应的动作指令为播放下一首音乐，与所述左滑手势对应的动作指令为音量增大，与所述右滑手势对应的动作指令为音量减小。
  5. 根据权利要求3所述的耳机控制方法，其特征在于，与所述音乐播放 模式对应的各个预设手势还包括：拍击手势，所述拍击手势为沿水平方向垂直靠近耳机的手势；
    则，所述依据与所述有效手势对应的动作指令控制所述耳机执行相应的动作的过程为：
    获取所述耳机当前的工作状态，并依据所述工作状态确定出与所述拍击手势对应的动作指令；
    依据所述动作指令控制所述耳机执行相应的动作。
  6. 根据权利要求5所述的耳机控制方法，其特征在于，所述工作状态为音乐播放状态，则与所述拍击手势对应的动作指令为音乐暂停指令；
    所述工作状态为暂停播放状态，则与所述拍击手势对应的动作指令为继续播放指令。
  7. 根据权利要求2所述的耳机控制方法，其特征在于，所述当前工作模式为通话模式，则与所述通话模式对应的各个预设手势包括所述拍击手势；
    则，所述依据与所述有效手势对应的动作指令控制所述耳机执行相应的动作的过程为：
    当所述耳机当前的工作状态为通话状态时，依据所述通话状态确定出与所述拍击手势对应的动作指令为挂断指令；
    依据所述挂断指令控制所述耳机结束通话；
    当所述耳机当前的工作状态为来电状态时，依据所述来电状态确定出与所述拍击手势对应的动作指令为接听指令；
    依据所述接听指令控制所述耳机进入通话状态。
  8. 一种耳机控制装置，其特征在于，应用于设有超声波收发器和超声波接收器的耳机，包括：
    收发模块，用于在耳机佩戴过程中控制所述超声波收发器发射第一超声波信号；还用于控制所述超声波收发器发射第二超声波信号；
    获取模块，用于获取所述超声波收发器采集的第一回波信号；
    第一判断模块，用于依据所述第一回波信号判断在预设范围内是否有物体，若是，则触发所述收发模块；
    识别模块，用于依据所述超声波收发器采集的第二回波信号及所述超声波接收器采集的第三回波信号进行特征提取和手势识别，得到识别结果；
    第二判断模块，用于依据所述耳机的当前工作模式及对应的各个预设手势，确定所述识别结果是否为有效手势，若是，则触发执行模块；
    所述执行模块，用于依据与所述有效手势对应的动作指令控制所述耳机执行相应的动作。
  9. 一种耳机，其特征在于，包括超声波收发器、超声波接收器和处理器，其中：
    所述超声波收发器，用于发射第一超声波信号和发射第二超声波信号，还用于接收第一回波信号和第二回波信号；
    所述超声波接收器，用于接收第三回波信号；
    所述存储器，用于存储计算机程序；
    处理器，用于执行所述计算机程序时实现如权利要求1至7任一项所述耳机控制方法的步骤。
  10. 根据权利要求9所述的耳机，其特征在于，所述耳机为TWS耳机，所述耳机上的副麦克为具有超声波接收功能的MIC，将所述副麦克作为所述超声波接收器。
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