CN111935578A - Earphone and control method - Google Patents
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- CN111935578A CN111935578ACN202010752641.8ACN202010752641ACN111935578ACN 111935578 ACN111935578 ACN 111935578ACN 202010752641 ACN202010752641 ACN 202010752641ACN 111935578 ACN111935578 ACN 111935578A
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- 238000009413insulationMethods0.000claimsabstractdescription67
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- 238000010586diagramMethods0.000description3
- 238000004891communicationMethods0.000description2
- 239000012212insulatorSubstances0.000description2
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- 230000014509gene expressionEffects0.000description1
- 238000002955isolationMethods0.000description1
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- 210000003454tympanic membraneAnatomy0.000description1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1016—Earpieces of the intra-aural type
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1083—Reduction of ambient noise
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
Abstract
Description
Technical Field
The invention belongs to the technical field of audio equipment, and particularly relates to an earphone and a control method.
Background
With the development of science and technology, the popularity of mobile audio equipment is higher and higher, and earphones as mobile audio output devices play a very important role in people's life. For example, on the way of going to work and off duty, many people can choose to wear the earphone to listen to the song or watch the video to spend the commute time, but when on subway or public transit, the effect that the earphone was listened to is very influenced by the noise very much, so now many earphones have all fallen the function of making an uproar, can keep apart most ambient sound, guarantee the tone quality of earphone sound, make the user can obtain better listening experience.
However, if a person talks with the earphone user, the noise reduction function isolates the content of the conversation together, so that the user cannot hear the content of other people, and can normally talk with the person only by taking off one or all of the earphones, which is very inconvenient; especially, when a user wears the earphone to walk on the road, if someone beside the user calls the user at a long distance, the user can not hear specific contents because the user wears the earphone, and accidents are easy to happen.
Disclosure of Invention
An object of the present invention is to provide an earphone and a control method.
According to a first aspect of the present invention, there is provided a headset comprising: earphone shell to and set up in earphone shell:
the opening and closing of the sound insulation device controls whether an external sound source is transmitted out of the earphone or not;
the MIC array is distributed on the surface of the earphone shell;
and the control module is used for judging the external sound source received by the MIC array and controlling the opening and closing of the sound insulation device.
Optionally, the control module comprises a voice collecting module configured to convert the external sound source into an audio signal.
Optionally, the control module includes a main control chip, the main control chip is in signal connection with the voice acquisition module, a threshold is preset in the main control chip, the main control chip determines that the position sent by the external sound source is smaller than the threshold, and the sound insulation device is opened.
Optionally, at least one group of keywords or keywords is preset in the main control chip, and the main control chip determines that the audio signal contains the preset keywords or keywords, and opens the sound insulation device.
Optionally, the control module comprises an earphone control module, the earphone control module is in signal connection with the main control chip, and the main control chip sends control information to the earphone control module and controls the sound insulation device to be opened or closed through the earphone control module.
Optionally, a sound insulation channel is arranged in the earphone, the sound insulation device is arranged in the sound insulation channel, and the earphone control module controls the sound insulation device to close or open the sound insulation channel so as to start the sound insulation function of the earphone or close the sound insulation function of the earphone.
Optionally, the surface of the earphone housing has a radian, and the MIC arrays are linearly distributed along the radian direction of the earphone housing.
Optionally, the earphone control module comprises a driving motor, and the driving motor can drive the sound insulation device to displace.
According to a second aspect of the present invention, there is provided a control method for any one of the above earphones, wherein the external sound source is transmitted to the main control module via the MIC array, and the main control module converts the external sound source into an audio signal and determines the audio signal so as to control the on/off of the sound insulation device.
Optionally, the specific steps are as follows:
s1: the MIC array receives the external sound source of the earphone;
s2: the signal acquisition module converts the external sound source into an audio signal and transmits the audio signal to the main control chip;
s3: the main control chip judges the audio signal, and if the distance between the sound source position of the external sound source and the earphone is smaller than the threshold value, step S5 is executed; if the distance between the sound source position of the external sound source and the earphone is greater than the threshold value, executing step S4;
s4: comparing the audio signal with a preset keyword or a keyword, and if the audio signal does not contain the preset keyword or the keyword, keeping the sound insulation device in a closed state; if the audio signal includes a preset keyword or a keyword, executing step S5;
s5: the master control chip transmits signals to the earphone control module, and the earphone control module controls the opening of the sound insulation device.
Optionally, in step S3, the method for determining the distance between the sound source and the earphone is as follows:
s31: a plurality of MIC arrays on the left earphone and the right earphone receive the external sound source simultaneously;
s32: the voice acquisition module converts the external sound source into an audio signal and transmits the audio signal to the main control chip;
s33: the master control chip judges the strength of the audio signals in the different MIC arrays, and calculates the distance between the sound source position of the external sound source and the earphones according to the strength of the audio signals transmitted from the different MIC arrays on the two earphones.
One technical effect of the invention is that:
the invention discloses an earphone, comprising: earphone shell to and set up in earphone shell: the opening and closing of the sound insulation device controls whether an external sound source is transmitted out of the earphone or not; an MIC array disposed on the earphone housing and extending along a radian of the earphone housing; and the control module is used for judging the external sound source received by the MIC array and controlling the opening and closing of the sound insulation device. The paper control module of the invention judges the external sound source received by the MIC array so as to open or close the sound insulation device, and can realize that when someone outside needs to communicate with a user, the user can clearly hear the content spoken by the other people without taking off the earphone.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic diagram illustrating a usage of an earphone according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an earphone according to an embodiment of the present invention;
fig. 3 is a logic diagram of the earphone control method according to the embodiment of the present invention.
Wherein: 1. an earphone housing; 11. a sound-insulating channel; 2. a sound-proofing device; 3. an MIC array; 4. an external sound source.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Referring to fig. 1 and 2, the present invention discloses an earphone including:earphone housing 1 to and set up in earphone housing 1:
the opening and closing of thesound insulation device 2 controls whether anexternal sound source 4 is transmitted out of the earphone or not; when thenoise insulator 2 is opened, the environmental sound can be transmitted into the ear of the user, and when thenoise insulator 2 is closed, in the sound insulating state, the environmental sound is mostly not transmitted into the ear of the user.
TheMIC array 3 is distributed on the surface of theearphone shell 1;MIC array 3 refers to an arrangement of microphones, that is, a system consisting of a certain number of acoustic sensors (typically microphones) for sampling and processing the spatial characteristics of a sound field. For example, five microphones are provided on the headphones for the left ear and the right ear, respectively, and the distance of theexternal sound source 4 is determined according to the sound sources collected by the microphones at different positions.
And the control module is used for judging theexternal sound source 4 received by theMIC array 3 and controlling the opening and closing of thesound insulation device 2. The control module controls theacoustic isolator 2 to close after analyzing theexternal sound source 4 received by theMIC array 3, and then continues to maintain isolation from the environmental sound, and controls theacoustic isolator 2 to open, and then can receive the environmental sound. When a person communicates with the user, the user can clearly hear the sound in the environment sound without taking off the earphone, and smooth communication with the person is realized.
Alternatively, as shown with reference to fig. 1 and 2, the control module comprises a voice acquisition module configured to convert theexternal sound source 4 into an audio signal. Since the sound waves collected by theMIC array 3 are the sound waves in the environmental sounds, and are converted into electronic signals through the voice collecting module, theexternal sound source 4 can be further analyzed.
Optionally, as shown in fig. 1 and 2, the control module includes a main control chip, the main control chip is in signal connection with the voice acquisition module, a threshold is preset in the main control chip, the main control chip determines that a position where theexternal sound source 4 is sent is smaller than the threshold, and opens thesound insulation device 2. For example, a threshold value is set to be 0.1m, anexternal sound source 4 is converted into an electronic signal after being transmitted into a voice acquisition module through an MIC signal, the electronic signal is transmitted into a main control chip, the main control chip analyzes the electronic signal and judges the distance between the position emitted by theexternal sound source 4 and an earphone, if the distance is greater than 0.1m set by the threshold value, thesound insulation device 2 is kept in a closed state, and the earphone can still isolate environmental sound; if the distance is less than 0.1m, which is set as the threshold, thesound insulator 2 is opened to allow external environmental sound to penetrate into the ear of the user. The user can clearly hear the surrounding environment sound, no matter there are other people around to communicate with the earphone wearer, or emergency happens, the earphone wearer can know in time, and in the subsequent communication process, also need not to take off the earphone.
Optionally, referring to fig. 1 and 2, at least one group of keywords or keywords is preset in the main control chip, and the main control chip determines that the audio signal contains the preset keywords or keywords, and opens thesound insulation device 2. The keywords may be set as names of users wearing the earphones or other representative words, and when the main control chip identifies the audio signals, if the keywords appear, thesound insulation device 2 should be immediately turned off and turned on, so that the users can clearly hear specific information in the environmental sound for subsequent communication with other people. Especially, when the wearer of the earphone encounters danger and is found by other people to be reminded, the earphone in the prior art only keeps the state of isolating the environmental sound, but the earphone in the embodiment can enable the wearer of the earphone to timely know the occurrence of the danger according to the identification of the keywords even if thesound insulation device 2 is opened, so that the safety of the wearer of the earphone is greatly improved.
Optionally, as shown in fig. 1 and 2, the control module includes an earphone control module, the earphone control module is in signal connection with the main control chip, the main control chip sends control information to the earphone control module, and the earphone control module controls the opening and closing of thesound insulation device 2. After the earphone control module receives the control signal of the main control chip, the opening and closing of thesound insulation device 2 are controlled, and therefore the earphone can receive and separate the environmental sound.
Optionally, referring to fig. 1 and 2, asound insulation channel 11 is disposed in the earphone, thesound insulation device 2 is disposed in thesound insulation channel 11, and the earphone control module controls thesound insulation device 2 to close or open thesound insulation channel 11, so as to start or close the sound insulation function of the earphone. When sound-proof device 2 will givesound insulation 11 and seal, the earphone was in sound insulation state this moment, and the surrounding environment sound was kept apart, can't penetrate the user ear in, had guaranteed the tone quality of earphone, made the user can obtain better quality of listening to, had also avoided because the noise is too big on every side, the user was in order to listen to the sound in the earphone clearly, tuned the volume to too big, led to the fact the damage to the eardrum. Whensound insulation device 2 is opened and is madesound insulation passageway 11 link up, the environment sound can get into people's ear throughsound insulation passageway 11 to make the user can receive the environment sound information on every side, realized not having taken off the effect that the earphone can smoothly communicate with the external world.
Optionally, as shown in fig. 1 and 2, the surface of theearphone housing 1 has a radian, theMIC arrays 3 are linearly distributed along the radian direction of theearphone housing 1, for example, five microphones are respectively disposed on earphones of a left ear and a right ear, and after a user wears the earphones, theMIC arrays 3 of the left ear and the MIC of the right ear are symmetrically disposed by taking the user as a central line. When anexternal sound source 4 received by a second microphone in five microphones of the left earphone is transmitted to the main control chip, the signal intensity is maximum, and when anexternal sound source 4 received by a third microphone in five microphones of the right earphone is transmitted to the main control chip, the signal intensity is maximum, according to the orientation of the second microphone on the left earphone and the orientation of the third microphone on the right earphone, the position of the externalsound source 4 can be judged, and simultaneously, the posture of the current user wearing the earphone is calculated according to the main control chip in the earphone, so that the directions corresponding to the two microphones and the distance between the left earphone and the right earphone can be obtained, and according to a formula, the distance between the externalsound source 4 and the left earphone and the right earphone can be calculated. When the same externalsound source 4 that the microphone of different positions gathered, becauseMIC array 3 sets up along the cambered surface, so the signal strength that the microphone of difference gathered is also different, can be more accurate confirm the position of externalsound source 4
Alternatively, referring to fig. 1 and 2, the earphone control module includes a driving motor capable of driving thesound insulator 2 to be displaced. Move outnoise insulation 2 through driving motor and givesound insulation passageway 11, make external environment sound pass throughnoise insulation passageway 11 smoothly and get into the people's ear, driving motor can produce the working sound that can be discerned by the people's ear at the during operation simultaneously to remind the user in advance, someone is communicating with other oneself in the surrounding environment, plays the warning effect. The driving motor is only one embodiment, and thesound insulation device 2 can be moved out of thesound insulation passage 11, so that external environmental sound can be transmitted to human ears through thesound insulation passage 11.
Specifically, referring to fig. 1 and 2, thesound insulation channel 11 is connected to a speaker of the earphone, and transmits ambient sound into the ear of the wearer through the speaker. Meanwhile, the specific structure of thesound insulation channel 11 can penetrate through the channel structure of one end and the other end of the earphone loudspeaker, thesound insulation device 2 is a structure capable of filling thesound insulation channel 11, and when the earphone is in a sound insulation state, thesound insulation channel 11 is filled by thesound insulation device 2; when the earphone is in a state of receiving ambient sound, the driving motor is operated to move the soundproof means 2 out of an outlet at an end of thesoundproof passage 11 opposite to the speaker of the earphone. Of course, the concrete structure of thesoundproof path 11 and thesoundproof device 2 in the present embodiment is only one technical solution that can achieve the technical effects, but is not limited to this structure.
Referring to fig. 3, according to a second aspect of the present invention, there is provided a control method for any one of the earphones, wherein anexternal sound source 4 is transmitted to the main control module via theMIC array 3, and the main control module converts the external sound source into an audio signal and judges the audio signal so as to control the on/off of thesound insulation device 2. Wherein the main control module can convert the externalsound source 4 into an audio signal, thereby being convenient for judging the external sound source.
Optionally, referring to fig. 3, the method for controlling the earphone specifically includes the following steps:
s1: theMIC array 3 receives anexternal sound source 4 of the headset;
s2: the signal acquisition module converts anexternal sound source 4 into an audio signal and transmits the audio signal to the main control chip;
s3: the main control chip judges the audio signal, and if the distance between the sound source position of the externalsound source 4 and the earphone is smaller than the threshold value, step S5 is executed; if the distance between the sound source position of the externalsound source 4 and the earphone is greater than the threshold value, executing step S4;
s4: comparing the audio signal with a preset keyword or a keyword, and if the audio signal does not contain the preset keyword or the keyword, keeping thesound insulation device 2 in a closed state; if the audio signal includes a preset keyword or a keyword, executing step S5;
s5: the master control chip transmits signals to the earphone control module, and the earphone control module controls the opening of thesound insulation device 2.
Optionally, referring to fig. 3, the method for determining the distance between the sound source and the earphone in step S3 is as follows:
s31: a plurality ofMIC arrays 3 on the left earphone and the right earphone receive anexternal sound source 4 simultaneously;
s32: the voice acquisition module converts anexternal sound source 4 into an audio signal and transmits the audio signal to the main control chip;
s33: the master control chip judges the strength of the audio signals in theMIC arrays 3, and calculates the distance between the sound source position of the externalsound source 4 and the earphones according to the strength of the audio signals transmitted from theMIC arrays 3 on the two earphones.
In this application, the earphone is real-time supervision to externalsound source 4, whether opensnoise insulation 2 simultaneously, also can set up through the electronic equipment that the earphone is connected, or controls through setting up solitary button on the earphone, and can set up corresponding voice prompt, and convenience of customers judges the state of earphone this moment.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. An earphone, comprising: earphone shell (1) to and set up in earphone shell (1):
the opening and closing of the sound insulation device (2) controls whether an external sound source (4) is transmitted out of the earphone or not;
the MIC array (3) is distributed on the surface of the earphone shell (1);
and the control module is used for judging the external sound source (4) received by the MIC array (3) and controlling the opening and closing of the sound insulation device (2).
2. A headset according to claim 1, characterized in that the control module comprises a voice acquisition module configured to convert the external sound source (4) into an audio signal.
3. The earphone according to claim 2, wherein the control module comprises a main control chip, the main control chip is in signal connection with the voice acquisition module, a threshold value is preset in the main control chip, the main control chip judges that the position emitted by the external sound source (4) is smaller than the threshold value, and the sound insulation device (2) is opened.
4. The earphone according to claim 3, wherein at least one set of keywords or keywords is preset in the main control chip, and the main control chip determines that the audio signal contains the preset keywords or keywords and opens the sound insulation device (2).
5. A headset according to claim 3, characterized in that the control module comprises a headset control module, the headset control module is in signal connection with the main control chip, the main control chip sends control information to the headset control module and controls the sound insulation device (2) to open and close through the headset control module.
6. A headset according to claim 5, characterized in that a sound insulating channel (11) is provided in the headset, that the sound insulating device (2) is provided in the sound insulating channel (11), and that the headset control module controls the sound insulating device (2) to close or open the sound insulating channel (11) for activating or deactivating the sound insulating function of the headset.
7. A headset according to claim 1, wherein the surface of the headset housing (1) has a curvature and the MIC array (3) is linearly distributed along the curvature of the headset housing (1).
8. A control method of the earphone according to any one of the above claims 1-7, characterized in that an external sound source (4) is transmitted to the main control module via the MIC array (3), and the main control module converts the audio signal into an audio signal and judges the audio signal so as to control the opening and closing of the sound insulation device (2).
9. The method for controlling the earphone according to claim 8, comprising the following steps:
s1: a MIC array (3) receiving the external sound source (4) of the headset;
s2: the signal acquisition module converts the external sound source (4) into an audio signal and transmits the audio signal to the main control chip;
s3: the main control chip judges the audio signal, and if the distance between the sound source position of the external sound source (4) and the earphone is smaller than the threshold value, step S5 is executed; if the distance between the sound source position of the external sound source (4) and the earphone is greater than the threshold value, executing step S4;
s4: comparing the audio signal with a preset keyword or a keyword, and if the audio signal does not contain the preset keyword or the keyword, keeping the sound insulation device (2) in a closed state; if the audio signal includes a preset keyword or a keyword, executing step S5;
s5: the master control chip transmits signals to the earphone control module, and the earphone control module controls the sound insulation device (2) to be opened.
10. The headphone control method according to claim 9, wherein in step S3, the method for determining the distance between the external sound source (4) and the headphones is as follows:
s31: a plurality of MIC arrays (3) on the left earphone and the right earphone receive an external sound source (4) simultaneously;
s32: the voice acquisition module converts the external sound source (4) into an audio signal and transmits the audio signal to the main control chip;
s33: the master control chip judges the strength of the audio signals in the different MIC arrays (3), and calculates the distance between the sound source position of the external sound source (4) and the earphones according to the strength of the audio signals transmitted from the different MIC arrays (3) on the two earphones.
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| CN202010752641.8ACN111935578A (en) | 2020-07-30 | 2020-07-30 | Earphone and control method |
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| CN202010752641.8ACN111935578A (en) | 2020-07-30 | 2020-07-30 | Earphone and control method |
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| CN113016194A (en)* | 2021-02-20 | 2021-06-22 | 英华达（上海）科技有限公司 | Earphone, earphone control method and system |
| CN113016194B (en)* | 2021-02-20 | 2022-03-04 | 英华达（上海）科技有限公司 | Earphone, earphone control method and system |
| CN112788470A (en)* | 2021-03-01 | 2021-05-11 | 维沃移动通信有限公司 | Earphone and earphone control method |
| CN112788470B (en)* | 2021-03-01 | 2023-01-06 | 维沃移动通信有限公司 | Headphones and Headphone Control Methods |
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