CN113015055B - Earphone wearing correction method and earphone structure - Google Patents
Earphone wearing correction method and earphone structure Download PDFInfo
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- CN113015055B CN113015055B CN202110246036.8A CN202110246036A CN113015055B CN 113015055 B CN113015055 B CN 113015055B CN 202110246036 A CN202110246036 A CN 202110246036A CN 113015055 B CN113015055 B CN 113015055B
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 41
- 230000005484 gravity Effects 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000004590 computer program Methods 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 19
- 210000000613 ear canal Anatomy 0.000 description 14
- 230000001360 synchronised effect Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000005236 sound signal Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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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
- H04R1/1008—Earpieces of the supra-aural or circum-aural type
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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
- H04R1/1041—Mechanical or electronic switches, or control elements
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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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers
Abstract
The application relates to the field of headphones, in particular to a headphone wearing correction method and a headphone structure, wherein the method comprises the following steps: transmitting a detection sound; acquiring a sound curve returned according to the detected sound, and analyzing the sound curve and a preset standard curve; and if the sound curve deviates from the first preset range of the standard curve, adjusting the distance and/or direction of the sending detection sound of the earphone loudspeaker. The earphone structure includes: the earphone comprises an earphone body, a loudspeaker arranged in the earphone body and a microphone arranged in the earphone body, wherein one side of the loudspeaker is provided with a driving mechanism for driving the loudspeaker to move forwards and backwards and rotate left and right upwards and downwards. The earphone has the effect of solving the problem that the tone quality effect of the earphone is poor when the earphone is not worn correctly.
Description
Technical Field
The present disclosure relates to the field of headphones, and in particular, to a method for correcting wear of headphones and a headphone structure.
Background
If the existing earphone is not worn in place, if the existing earphone is not sealed when worn, the loudspeaker is not positioned at the optimal position and the like, the experience effect of the tone quality can be affected, and the existing processing mode is usually that under the condition that the tone quality is poor by the user who wears the earphone, the user can select to replace a new earphone or adjust parameters of the sounding equipment, and the adjustment is inconvenient and complicated.
With respect to the related art described above, the inventors consider that there is a disadvantage in that the sound quality effect of the earphone is poor when the earphone is not worn correctly.
Disclosure of Invention
In order to solve the problem that the sound quality effect of the earphone is poor when the earphone is not worn correctly, the application provides an earphone wearing correction method and an earphone structure.
In a first aspect, the present application provides a method for correcting wear of an earphone, which adopts the following technical scheme:
a method of earphone wear correction comprising the steps of:
transmitting a detection sound;
acquiring a sound curve returned according to the detected sound, and analyzing the sound curve and a preset standard curve;
and if the sound curve deviates from the first preset range of the standard curve, adjusting the distance and/or direction of the sending detection sound of the earphone loudspeaker.
Through adopting above-mentioned technical scheme, the skew of sound curve and standard curve surpasses first default scope, through adjusting the distance and/or the direction of detection sound position apart from the ear, can adjust the sound production direction, the distance of detection sound relative user's ear canal, and then adjusts the tone quality that the user wore the earphone and hear.
Preferably, if the sound curve deviates from the standard curve by a first preset range, adjusting and detecting the sound transmission distance and/or direction, including the following substeps:
judging the offset of each frequency band of the sound curve;
if the offset of the sound curve in the low frequency range deviates from the first preset range of the standard curve, generating a first control signal for adjusting the earphone loudspeaker to move towards the ear or away from the ear so as to adjust the sending distance of the detected sound, and generating a first completion signal after the adjustment is completed;
if the offset of the sound curve in the middle-high frequency range deviates from the first preset range of the standard curve, generating a second control signal for controlling the earphone loudspeaker to rotate up and down and left and right relative to the sound transmission direction of the earphone loudspeaker so as to adjust the sending direction of the detected sound, and generating a first completion signal after the adjustment is completed.
Through adopting above-mentioned technical scheme, according to the sound curve at the possible reason of different frequency channel skew production regulation detection sound production, have quick regulation, accurate effect of adjusting.
Preferably, the method further comprises the following steps:
if the sound curve deviates from the second preset range of the standard curve and is in the first preset range, the first preset range comprises the second preset range, the built-in EQ curve of the earphone is adjusted through a preset adjusting program, and a second finishing signal is generated after the adjustment is finished.
By adopting the technical scheme, in the adjustable range of the main control chip in the earphone, the earphone is preferentially adjusted according to the EQ adjusting software in the main control chip, so that the adjusting control program is reduced, and the adjusting process is simplified.
Preferably, the method further comprises the following steps:
after detecting the first completion signal or the second completion signal, retransmitting the adjusted detection sound;
acquiring a sound curve returned according to the adjusted detection sound, and analyzing the sound curve and a standard curve;
if the sound curve deviates from the standard curve by a preset first preset range, generating a prompt signal.
Through adopting above-mentioned technical scheme, if detect after the adjustment, sound curve offset standard curve still is outside first default scope, then the offset of the position of loudspeaker in the explanation earphone and the position of user's ear canal is great, reminds the user to adjust earphone position through the prompt signal, is convenient for follow-up regulation.
Preferably, when analyzing the sound curve and the standard curve, if a part of the frequency division points exceed a first preset range and a part of the frequency points are in the first preset range, firstly adjusting the frequency gain of the frequency points in the first preset range, and then retransmitting the detection sound;
and acquiring a sound curve returned according to the detection sound retransmitted after adjustment, and analyzing the sound curve and the standard curve.
By adopting the technical scheme, after the gain of part of the frequency division points of the detected sound is adjusted, the adjacent frequency points in the whole curve can be influenced, the adjustable frequency points can be adjusted by the EQ adjusting software, and then the frequency points are compared with the standard curve according to the received sound curve and then adjusted, so that the effect of reducing the workload of adjustment is achieved, and the operation memory is reduced.
In a second aspect, the present application provides an earphone structure, which adopts the following technical scheme:
the utility model provides an earphone structure, includes the earphone body, locates the internal main control chip of earphone, locates the loudspeaker in the earphone body to and locate the microphone in the earphone body, one side of loudspeaker is equipped with the drive horn and reciprocates and control pivoted actuating mechanism from top to bottom, loudspeaker, microphone and actuating mechanism all with main control chip information connection.
Through adopting above-mentioned technical scheme, loudspeaker are used for sending and detect sound, and the microphone is used for receiving the sound curve that the ear canal returned, and actuating mechanism drive earphone back-and-forth movement to adjust the interval between earphone and the user's ear canal, actuating mechanism drive earphone is from top to bottom left and right sides rotated, with the direction of adjusting user's ear canal received sound, thereby adjusts the tone quality when user wears this application earphone, has the effect that improves tone quality when earphone wears.
Preferably, the driving mechanism comprises a rotating assembly for driving the horn to rotate left and right up and down, the rotating assembly comprises a guide cylinder sleeved on the outer side of the horn, guide grooves are symmetrically formed in the inner side wall of the guide cylinder in a spiral mode, the directions of rotation of the two guide grooves which are symmetrical with each other about the central axis of the guide cylinder are opposite, guide blocks capable of sliding along the guide grooves are arranged on the outer side wall of the horn, and a first driving assembly for driving the horn to rotate is arranged in the earphone body.
Through adopting above-mentioned technical scheme, loudspeaker rotate in the guide cylinder under the cooperation of guide block and guide way to make the direction of loudspeaker sound production take place the skew with initial sound production direction, have the effect of adjusting the sound production direction of loudspeaker.
Preferably, the driving mechanism further comprises a moving assembly for driving the horn to move back and forth, the moving assembly comprises a rotating cylinder sleeved on the outermost side of the horn, rotating grooves are symmetrically formed in the inner side wall of the rotating cylinder in a spiral mode, two rotating grooves symmetrical with the central axis of the rotating cylinder are identical in rotation direction, a rotating block is arranged on the horn in a sliding mode along the rotating grooves, and a second driving assembly for driving the rotating cylinder to rotate is arranged in the earphone body.
Through adopting above-mentioned technical scheme, rotate the drum and rotate, guide loudspeaker is rotated the axis direction of drum and is removed along rotating under the guide of groove, has the effect of adjusting the distance of earphone relative user's ear canal.
Preferably, the first driving assembly comprises a telescopic rod and a first gear connected to one end of the telescopic rod, the other end of the telescopic rod is hinged to the loudspeaker, the telescopic rod is collinear with the central axis of the guide cylinder, and a first driving piece for driving the first gear to rotate is arranged in the earphone body.
Through adopting above-mentioned technical scheme, the telescopic link is scalable, and when the telescopic link rotated, it rotates to drive loudspeaker, and the telescopic link plays the effect of the displacement that adaptation loudspeaker rotated and produced, reduces loudspeaker and blocks the condition when adjusting the steering.
In a third aspect, the present application provides a computer readable storage medium, which adopts the following technical scheme:
a computer readable storage medium storing a computer program capable of being loaded by a processor and executing a method as described above.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the deviation between the sound curve and the standard curve exceeds a first preset range, and the sounding direction of the detected sound relative to the auditory canal of the user can be adjusted by adjusting the distance and/or the direction of the sounding position of the detected sound from the ears, so that the tone quality heard by the user wearing the earphone is adjusted;
2. if the deviation of the sound curve deviation standard curve is still out of the first preset range after the adjustment is detected, the fact that the deviation between the position of the loudspeaker in the earphone and the position of the auditory canal of the user is large is indicated, the user is reminded of adjusting the position of the earphone through a prompting signal, and subsequent adjustment is facilitated;
3. the loudspeaker is used for sending out the sound that detects, and the microphone is used for receiving the sound curve that the ear canal returned, and actuating mechanism drive earphone back and forth movement to adjust the interval between earphone and the user's ear canal, actuating mechanism drive earphone is rotated left and right side up and down, with the direction of adjusting user's ear canal received sound, thereby adjusts the tone quality when the user wears this application earphone, has the effect that improves the tone quality when earphone wears.
Drawings
FIG. 1 is a flow chart of a method of headphone wear correction according to an embodiment of the present application;
FIG. 2 is a flow chart of a method of headphone wear correction according to another embodiment of the present application;
FIG. 3 is a cross-sectional view of an earphone structure according to an embodiment of the present application;
FIG. 4 is an enlarged view of A in FIG. 3;
fig. 5 is an exploded view of a driving mechanism in an earphone structure according to an embodiment of the present application.
Reference numerals illustrate: 1. an earphone body; 2. a horn; 21. a guide block; 22. a connecting block; 3. a microphone; 4. a rotating assembly; 41. a guide cylinder; 411. a guide groove; 42. a rotating block; 43. a telescopic rod; 431. a rotating ball; 4311. a synchronization groove; 44. a first gear; 45. a first driving member; 5. a moving assembly; 51. rotating the cylinder; 511. a rotating groove; 512. meshing teeth; 52. a second driving member; 53. a second gear; 6. a guide rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to fig. 1 to 5 and the embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
The embodiment of the application discloses an earphone wearing correction method. Referring to fig. 1, a headphone wear correction method includes the steps of:
s1: and sending the detection sound.
S2: and acquiring a sound curve returned according to the detected sound, and analyzing the sound curve and a preset standard curve.
S3: and if the sound curve deviates from the first preset range of the standard curve, adjusting the distance and/or direction of the sending detection sound of the earphone loudspeaker.
Specifically, be equipped with master control chip, loudspeaker and microphone in the earphone that this embodiment was suitable for, master control chip signal connection loudspeaker and microphone, with control loudspeaker sound and microphone received sound, be equipped with light sense sensor and gravity sensor with master control chip information connection in the earphone, gravity sensor detectable earphone receives the direction of gravity, and then can detect the earphone atress and predetermine the contained angle between the direction of wearing, light sense sensor sends the light intensity signal of one side through detecting the earphone sound, and send light intensity signal to master control chip, master control chip judges no light or light darker according to light intensity signal, gravity sensor senses earphone atress direction signal, and send stress direction signal to master control chip, master control chip judges and predetermine the contained angle between the direction of wearing, can judge that the user wears the earphone, then control loudspeaker sends the detected sound, detect sound and be the sound that one section is used for correcting, and the curve of sound that plays when loudspeaker normally sound, master control chip control microphone converts sound signal to sound curve, the sound curve is heard to the curve of sound that the sound is the ear.
Specifically, the preset standard curve is generated by adopting an ear model test when the factory setting is carried out, the ear model receives a sound signal returned by the auditory canal of the ear model picked up by the microphone after detecting the sound, the main control chip converts the sound signal into the sound curve, the sound curve is actually embodied in an array form in the main control chip, the amplitude and the bandwidth corresponding to each frequency point in the array have an offset range, the first preset range can be set according to the components adopted by the actual earphone, if the amplitude or the bandwidth value of the sound curve to a certain frequency point exceeds the first preset range of the amplitude or the bandwidth superposition of the standard curve to the frequency point, the distortion degree of the sound emitted by the earphone is higher, in the embodiment, the sounding direction of the loudspeaker and/or the distance between the loudspeaker and the human ear are adjusted, and the sound quality of the sound emitted by the earphone and the amplitude and the bandwidth received by the auditory canal of each frequency point are adjusted.
Referring to fig. 2, optionally, in another embodiment, step S3 comprises the sub-steps of:
s31: and judging the offset of each frequency band of the sound curve.
S32: if the offset of the sound curve in the low frequency range deviates from the first preset range of the standard curve, a first control signal for adjusting the earphone loudspeaker to move towards the ear or away from the ear is generated so as to adjust the sending distance of the detected sound, and after adjustment is completed, a first completion signal is generated.
S33: if the offset of the sound curve in the middle-high frequency range deviates from the first preset range of the standard curve, generating a second control signal for controlling the earphone loudspeaker to rotate up and down and left and right relative to the sound transmission direction of the earphone loudspeaker so as to adjust the sending direction of the detected sound, and generating a first completion signal after the adjustment is completed.
Specifically, in this embodiment, in a frequency band ranging from 40hz to 80hz, the middle and high frequency fingers 1280hz to 2560hz indicate that the distance between the horn and the ear canal is unsuitable if the sound curve is outside the low frequency band offset standard curve ranging from 1dB to 2mm, at this time, the distance between the horn and the ear canal of the user may be adjusted, the adjustment mode may be preset standard movement distance according to the offset of the sound curve, for example, the amplitude of the sound curve at a certain frequency point of the low frequency band is +4db, the amplitude of the preset standard curve at the frequency point is +10db, the first preset range is +2db to-2db, the amplitude of the amplitude offset standard curve of the sound curve at the frequency point of the low frequency band is outside the first preset range, the preset standard movement distance is assumed to be 1dB, the movement of the horn is 2mm, at this time, the master control chip controls the horn to move toward the direction of the ear canal of the human, and the offset is not an integer multiple of the offset corresponding to the standard movement distance, and the amplitude of the offset is followed by a rounding method, in another embodiment, and the amplitude of the offset is also controlled to exceed the amplitude by 2, for example, in the first frequency range and the amplitude of the frequency point is controlled to be 2, and the amplitude of the frequency point is controlled to be 2, and 2 is controlled within the first frequency range.
If the sound curve is outside a first preset range in the middle-high frequency band offset standard curve, the sound emitting direction of the loudspeaker is required to be adjusted, in the factory setting of the earphone, the position of the loudspeaker is set according to the ear model, when the loudspeaker is positioned in the factory setting position, the detected sound direction emitted by the loudspeaker is the sound emitting direction, in the actual use, the rotation of the loudspeaker is adjusted according to the sound curve and the standard curve in the middle-high frequency band offset larger than the first preset range so as to adjust the sound emitting direction of the loudspeaker, and the included angle between the sound emitting direction and the sound emitting direction in the three-dimensional space is 0-30 degrees; the specific adjustment mode may be, for example, that the amplitude of the sound curve at a certain frequency point of the middle-high frequency band is +4db, the amplitude of the preset standard curve at the frequency point is +10db, the first preset range is +2db to-2 dB, the amplitude deviation standard curve of the sound curve at the frequency point of the middle-high frequency band is outside the first preset range, the preset rotation distance is assumed to be 5 ° when the amplitude deviation is 1dB, the loudspeaker rotates 15 °, and the like, if the deviation is not an integer multiple of the amplitude deviation, the rounding rule is followed, and in another embodiment, the number of frequency points exceeding the first preset range in the middle-high frequency band is 2 or more, for example, 3, 4, 5, and the like, so as to generate the second control signal.
If the standard curve of the low frequency band and the middle and high frequency bands of the sound curve is outside a first preset range, preferentially adjusting the sounding direction of the earphone, retransmitting the detection sound after adjusting the sounding direction of the earphone, and performing the adjustment according to the analysis and comparison between the sound curve returned by the detection sound and the standard curve; if the sound curve deviates from the first preset range of the standard curve, after the adjustment is completed, the main control chip receives a first completion signal, specifically, the first completion signal may be a preset time interval after the signal for adjusting the position of the loudspeaker is sent out, that is, after the main control chip adjusts the position of the earphone, the main control chip starts timing, and the first completion signal is used until the timing is finished, but may also be other manners.
Optionally, in another embodiment, the method further includes the steps of:
s4: if the sound curve deviates from the second preset range of the standard curve and is in the first preset range, the first preset range comprises the second preset range, the built-in EQ curve of the earphone is adjusted through a preset adjusting program, and a second finishing signal is generated after the adjustment is finished.
Specifically, the EQ adjustment software is preset in the main control chip, the amplitude and the bandwidth of the existing EQ adjustment software corresponding to one frequency point are limited, the second preset range is the adjustment limit of the EQ adjustment software, that is, the offset of the sound curve offset standard curve is in the second preset range, the EQ adjustment software in the main control chip can be used for adjustment, the second completion signal can be a preset time for countdown after adjustment, and the second completion signal can be a second completion signal after timing is completed, but the second completion signal can also be other modes.
Referring to fig. 2, optionally, in another embodiment, the method further includes the steps of:
s5: and after detecting the first completion signal or the second completion signal, retransmitting the adjusted detection sound.
S6: and acquiring a sound curve returned according to the adjusted detection sound, and analyzing the sound curve and the standard curve.
S7: if the sound curve deviates from the standard curve by a preset first preset range, generating a prompt signal.
Specifically, when the main control chip detects the first completion signal or the second completion signal, the loudspeaker is controlled to emit detection sound again, and the microphone is controlled to receive the sound curve returned by the auditory canal, if the sound curve returned at the moment deviates from the standard curve to be outside the first preset range, it is indicated that the user does not wear the earphone correctly, or the auditory canal structure of the user is special, a prompt signal is generated at the moment, the prompt signal can be a voice prompt, for example, please readjust the position of the earphone, or a prompt tone such as 'dripping' is used, the relative position of the loudspeaker and the auditory canal of the user is readjust through the prompt, and then the loudspeaker is controlled to emit detection sound for detection adjustment.
Optionally, in another embodiment, when analyzing the sound curve and the standard curve, if there is a part of the frequency division points exceeding the first preset range and a part of the frequency points being within the first preset range, the frequency gain of the frequency points within the first preset range is adjusted first, and then the detection sound is retransmitted.
And acquiring a sound curve returned according to the detection sound retransmitted after adjustment, and analyzing the sound curve and the standard curve.
The offset of the frequency points is in the adjustable range of the built-in EQ adjusting software of the main control chip, the frequency points with offset in the first preset range are adjusted firstly, then the detection sound is retransmitted, the frequency gains of the frequency points are mutually influenced and compensated, the effect of adjusting the adjacent frequency points exists, namely the condition that the gain of the frequency division point of the adjusting part can influence the gain of the adjacent frequency points can exist, and unnecessary adjustment can be reduced.
The embodiment also discloses an earphone structure, referring to fig. 3, the earphone structure includes an earphone body 1, a speaker 2 and a microphone 3, the speaker 2 and the microphone 3 are disposed in the earphone body 1, and the microphone 3 is disposed in front of the speaker 2, i.e. on one side of the speaker 2 close to the ear, the speaker 2 is used for sending detection sound and playing audio, the microphone 3 is used for picking up a sound curve returned by the detection sound in the ear canal of the user, and a main control chip is further disposed in the earphone body 1 to control the sending and picking up of the sound.
In this embodiment, still be equipped with light sensor and gravity sensor in earphone body 1, gravity sensor and light sensor and main control chip signal connection, after the earphone was worn to the user, gravity sensor detectable earphone received the direction of gravity, can detect out whether earphone atress and the contained angle between the preset direction of wearing is in the preset scope, light sensor sends one side through detecting earphone sound and senses light, if light sensor senses no light or light darkness, gravity sensor senses the contained angle between earphone atress and the preset direction of wearing is in the preset scope, can judge that the user has worn the earphone, main control chip control loudspeaker 2 sent detection sound this moment, microphone 3 received by the sound curve that the detection sound returned in user's ear canal.
Referring to fig. 2 and 3, the earphone body 1 is provided with a driving mechanism that drives the horn 2 to move forward and backward and to rotate left and right up and down.
Optionally, in an embodiment, a memory for storing a software program corresponding to the above method stored in the memory is provided in the earphone body 1, and the main control chip loads the software program corresponding to the above method stored in the memory and controls the driving mechanism to drive the speaker 2 to rotate, but in other embodiments, the memory may also store a software program for implementing other control methods, and the main control chip controls the driving mechanism to drive the speaker 2 to rotate according to other control methods, so as to achieve the effect of adjusting the position of the speaker 2.
Optionally, in another embodiment, the driving mechanism and the main control chip may be directly connected to the power supply, and by setting a switch between the driving mechanism and the power supply, and between the main control chip and the power supply, the switch is directly controlled to be opened and closed so as to achieve the effect of adjusting the position of the loudspeaker 2 by adopting the driving mechanism.
Specifically, in the present embodiment, the forward and backward movement of the horn 2 means that the horn 2 moves toward the side close to or away from the ear of the user; the standard curve is preset in the main control chip, the sound transmission direction of the loudspeaker 2 when the loudspeaker 2 leaves the factory normally is the sound direction emitted by the loudspeaker 2 which is set according to the standard curve converged by the ear model, in the embodiment, the rotation of the loudspeaker 2 up, down, left and right means that the sound transmission direction of the loudspeaker 2 is adjusted, so that an included angle is formed between the adjusted sound transmission direction and the sound transmission direction, and in the embodiment, the sound transmission direction and the sound transmission direction can form an included angle of 0-30 degrees in a three-dimensional space.
When the main control chip receives detection signals of the gravity sensor and the light sensor, and judges that a user wears the earphone, the main control chip controls the loudspeaker 2 to emit detection sound, controls the microphone 3 to pick up a sound curve returned in the auditory canal, and if the main control chip compares the sound curve to be in an optimal curve range of the standard curve, if the main control chip compares the sound curve to be in a second preset range of the standard curve, the main control chip indicates that the sound curve is in the optimal curve range, and the adjustment is finished; if the difference between the sound curve and the standard curve is small, the main control chip adjusts the curve of the output detection sound of the loudspeaker 2 through the preset EQ adjusting software; if the difference between the sound curve and the standard curve is larger than the first preset range of the deviation of the sound curve from the standard curve, the main control chip adjusts the position of the loudspeaker 2 through the EQ adjusting software and the control driving mechanism to adjust the curve of the detection sound sent by the loudspeaker 2.
Referring to fig. 2 and 3, the driving mechanism includes a rotating assembly 4 for driving the speaker 2 to rotate up and down left and right, the rotating assembly 4 includes a guiding cylinder 41 and a guiding block 21, in this embodiment, the guiding cylinder 41 is slidably disposed in the earphone body 1, the guiding cylinder 41 can move towards the direction close to a practical person or far away from an auditory canal of a user, but is not rotatable, a specific structure may be that a guiding rod 6 is disposed in the earphone body 1 along the moving direction of the guiding cylinder 41, the guiding rod 6 is slidably engaged with the guiding cylinder 41, the guiding cylinder 41 is sleeved outside the speaker 2, and the inner diameter of the guiding cylinder 41 is greater than the diameter of the largest circular surface of the speaker 2.
Referring to fig. 3 and 4, guide slots 411 are spirally formed in the inner side wall of the guide cylinder 41, at least two guide slots 411 are symmetrically formed about the central axis of the guide cylinder 41, two guide slots 411 symmetrical about the middle point of the guide cylinder 41 are formed as a group, the rotation directions of one group of guide slots 411 are opposite, the guide slots 411 are T-shaped slots, and the width of the slot opening is smaller than the width of the slot bottom.
The guide block 21 comprises a first connecting portion connected to the side wall of the horn 2 and a first spherical portion connected to the first connecting portion and far away from the side wall of the horn 2, wherein the first spherical portion is arranged in the guide slot 411, the diameter of the first spherical portion is equal to the width of the slot bottom of the guide slot 411, the first connecting portion is cylindrical in the embodiment, the diameter of the first connecting portion is smaller than the width of the slot opening of the guide slot 411, and the depth of the guide slot 411 is larger than the diameter of the first spherical portion.
When the horn 2 is rotated, under the guidance of the guide slot 411, when the horn 2 is at a factory setting angle, the first spherical part is positioned at the middle part of the guide slot 411 along the central axis direction of the guide cylinder 41, annular grooves are formed in the two ends of the guide slot 411 on the inner side wall of the guide cylinder 41, the annular grooves are connected with the two ends of the guide slot 411 positioned on a plane parallel to the end face of the guide cylinder 41, the first spherical part can rotate along the annular grooves, the horn 2 can rotate to the position with the largest included angle between the sounding direction and the sound transmission direction, the horn 2 can be continuously rotated, and the sounding direction of the horn 2 can be rotationally regulated.
Referring to fig. 3 and 4, a first driving assembly for driving the speaker 2 to rotate is disposed in the earphone body 1, and specifically, the first driving assembly includes a telescopic rod 43, a first gear 44, and a first driving member 45.
The telescopic rod 43 comprises an outer rod and an inner rod which is slidably arranged in the outer rod, a limiting block is arranged on the outer side wall of the inner rod, a limiting groove is formed in the inner side wall of the outer rod along the axis direction of the outer rod, two ends of the limiting groove are closed, the limiting block is slidably matched with the limiting groove, the inner rod can slide along the axis direction of the outer rod relative to the outer rod, but cannot rotate relative to the outer rod, the inner rod is collinear with the central axis of the outer rod, and the central axis of the outer rod is collinear with the central axis of the guide cylinder 41.
An opening for sounding the loudspeaker 2 is formed in one end face of the guide cylinder 41, a round hole for penetrating the inner rod is formed in the other end face of the guide cylinder, the end portion, away from the extending direction of the inner rod, of the outer rod is connected with the first gear 44, the central axis of the first gear 44 is collinear with the central axis of the outer rod, the end portion, extending out of one end of the outer rod, of the inner rod penetrates through the round hole and is hinged to the tail portion, away from the microphone 3, of the loudspeaker 2, and the guide block 21 can rotate along the guide slot 411 in a hinged mode of the inner rod and the loudspeaker 2.
Specifically, in this embodiment, a hinge structure is disposed between the inner rod and the horn 2, the hinge structure includes a rotating ball 431 connected to the end surface of the inner rod and a connecting block 22 disposed on the end surface of the tail of the horn 2, and a ball groove is formed in the end surface of the connecting block 22 far from the horn 2.
The inner rod is cylindrical, the notch diameter of the ball groove is smaller than the diameter of the rotary ball 431 and larger than the diameter of the inner rod, the diameter of the ball groove is equal to the diameter of the rotary ball 431, one of the circular surfaces where the diameters of the rotary ball 431 and the central axis of the inner rod are collinear is the set surface, the synchronous groove 4311 is formed in the position, corresponding to the set circular surface, of the outer side wall of the rotary ball 431, the synchronous groove 4311 is symmetrically arranged relative to the central axis of the inner rod, a synchronous block is arranged at the groove bottom of the spherical groove, the synchronous block is slidably arranged in the synchronous groove 4311, the outer side wall of the synchronous block is an integrated arc surface, the section of the synchronous block is cut into an incomplete circular shape on the set surface, and one side, with the incomplete circular section, of the synchronous block is bonded with the groove bottom of the spherical groove.
In this embodiment, the synchronizing block is made of elastic material, so that the locking of the synchronizing block and the synchronizing groove 4311 during the rotation of the horn 2 is reduced.
In this embodiment, the first driving member 45 is a first motor, an output shaft of the first motor is connected with a transmission gear, the transmission gear is meshed with the first gear 44, the first motor is connected with the main control chip in a signal manner, and the main control chip controls the first motor to be turned on or turned off.
The main control chip compares the deviation standard curve of the sound curve in the middle-high frequency band with the deviation standard curve exceeding a first preset range, and the main control chip controls the rotating assembly 4 to rotate the loudspeaker 2 to adjust the sounding direction of the loudspeaker 2, and then adjusts the sounding direction of the loudspeaker 2.
Referring to fig. 4 and 5, the driving mechanism further includes a moving assembly 5 for driving the horn 2 to move back and forth, and the moving assembly 5 includes a rotating cylinder 51 sleeved outside the guide cylinder 41, a rotating block 42 provided on an outer sidewall of the guide cylinder 41, and a second driving assembly.
The inner side wall of the rotating cylinder 51 is provided with rotating grooves 511 in a spiral shape, the rotating grooves 511 are symmetrically arranged with respect to the central axis of the rotating cylinder 51, the rotating directions of the rotating grooves 511 are the same, and the rotating grooves 511 are also T-shaped grooves in the embodiment.
The rotating block 42 comprises a cylindrical second connecting portion and a second spherical portion, the second connecting portion is connected to the outer side wall of the guide cylinder 41, the second spherical portion is arranged at one end, far away from the guide cylinder 41, of the second connecting portion, the width of a notch of the rotating groove 511 is larger than the diameter of the second connecting portion and smaller than the diameter of the second spherical portion, the width of the bottom of the rotating groove 511 is equal to the diameter of the second spherical portion, and when the rotating cylinder 51 rotates, the rotating block 42 moves along the axial direction of the telescopic rod 43 under the guide of the rotating groove 511, so that the effect of adjusting the distance between the loudspeaker 2 and the ears of a user is achieved.
The second driving assembly includes a meshing tooth 512 and a second driving member 52 disposed outside the rotating cylinder 51, where the meshing tooth 512 is uniformly disposed along the circumference of the outer sidewall of the rotating cylinder 51, in this embodiment, the second driving member 52 is a second motor, an output shaft of the second motor is connected with a second gear 53, the meshing tooth 512 is meshed with the second gear 53, and the second motor is in signal connection with the main control chip, and the main control chip controls the second motor to turn on and off and rotate.
When the offset of the sound curve between the low frequency band and the standard curve exceeds a first preset range, the main control chip controls the moving assembly 5 to adjust the distance between the loudspeaker 2 and the auditory canal of the user.
The implementation principle of the earphone structure in the embodiment of the application is as follows: when the sounding direction of the earphone needs to be adjusted, the first driving piece 45 drives the telescopic rod 43 to rotate, and the telescopic rod 43 drives the horn 2 to rotate, so that the horn 2 rotates along the guide slot 411, and the sounding surface of the horn 2 is offset because the rotation directions of the guide slot 411 are opposite, so that the effect of adjusting the sounding direction of the horn 2 is achieved; when the earphone generating distance needs to be adjusted, the second driving piece 52 drives the rotating cylinder 51 to rotate, so that the rotating block 42 slides under the guidance of the rotating groove 511, and the guiding cylinder 41 drives the horn 2 to move back and forth, thereby realizing the effect of adjusting the position of the horn 2.
The present embodiment also discloses a computer-readable storage medium storing a computer program capable of being loaded by a processor and executing the method as described above.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by hardware associated with computer program instructions, and that the computer program may be stored on a non-transitory computer readable storage medium, which when executed may comprise the steps of the embodiments of the methods described above. Any reference to memory, database, or other medium used in the various embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. A method of correcting wear of an earphone, comprising the steps of:
transmitting a detection sound;
acquiring a sound curve returned according to the detected sound, and analyzing the sound curve and a preset standard curve;
if the sound curve deviates from the standard curve outside the first preset range, adjusting the distance and/or direction of the earphone horn for sending the detection sound;
if the sound curve deviates from the standard curve beyond the first preset range, adjusting and detecting the sound transmission distance and/or direction, comprising the following substeps:
judging the offset of each frequency band of the sound curve;
if the offset of the sound curve in the low frequency range deviates from the standard curve outside a first preset range, generating a first control signal for adjusting the earphone loudspeaker to move towards the ear or away from the ear so as to adjust the sending distance of the detected sound, and generating a first completion signal after the adjustment is completed;
if the offset of the sound curve in the middle-high frequency range deviates from the standard curve outside a first preset range, generating a second control signal for controlling the earphone loudspeaker to rotate up and down and left and right relative to the sound transmission direction of the earphone loudspeaker so as to adjust the sending direction of the detected sound, and generating a first completion signal after the adjustment is completed;
if the offset of the sound curve in the low frequency band and the middle and high frequency bands is offset from the standard curve outside the first preset range, generating a second control signal for controlling the earphone loudspeaker to rotate up and down and left and right relative to the sound transmission direction of the earphone loudspeaker so as to adjust the sending direction of the detection sound, and returning to the step of sending the detection sound after the adjustment is completed;
wherein the step of transmitting the detection sound comprises the sub-steps of:
acquiring the gravity direction of the earphone and the light induction of the sounding side of the earphone;
if the included angle between the gravity direction and the preset wearing direction is within the preset range, and the light is sensed to be no light or dark, the earphone loudspeaker is controlled to send detection sound.
2. The headphone wear correction method according to claim 1, further comprising the steps of:
if the sound curve deviates from the standard curve outside the second preset range and is within the first preset range, the first preset range comprises the second preset range, the built-in EQ curve of the earphone is adjusted through a preset adjusting program, and a second finishing signal is generated after the adjustment is finished.
3. The headphone wear correction method according to claim 1 or 2, characterized by further comprising the steps of:
after detecting the first completion signal or the second completion signal, retransmitting the adjusted detection sound; acquiring a sound curve returned according to the adjusted detection sound, and analyzing the sound curve and a standard curve;
if the sound curve deviates from the standard curve beyond the first preset range, a prompt signal is generated.
4. The method for correcting the wearing of the earphone according to claim 2, wherein when the sound curve and the standard curve are analyzed, if a part of the frequency points exceed a first preset range and a part of the frequency points are within the first preset range, the frequency gain of the frequency points within the first preset range is adjusted first, and then the detection sound is retransmitted;
and acquiring a sound curve returned according to the detection sound retransmitted after adjustment, and analyzing the sound curve and the standard curve.
5. The earphone is characterized by comprising an earphone body (1), a main control chip arranged in the earphone body (1), a loudspeaker (2) arranged in the earphone body (1) and a microphone (3) arranged in the earphone body (1), wherein one side of the loudspeaker (2) is provided with a driving mechanism for driving the loudspeaker (2) to move forwards and backwards and rotate left and right and up and down, and the loudspeaker (2), the microphone (3) and the driving mechanism are in signal connection with the main control chip; a light sensor and a gravity sensor are further arranged in the earphone body (1), the gravity sensor is in signal connection with the light sensor and the main control chip, the gravity sensor is used for detecting the gravity direction of the earphone body (1), and the light sensor is used for detecting light induction of the sounding side of the earphone; a memory is arranged in the earphone body (1), a main control chip loads a software program stored in the memory and used for realizing the method of any one of the claims 1 to 4, and controls a driving mechanism to drive the loudspeaker (2) to rotate; the driving mechanism comprises a rotating assembly (4) for driving the loudspeaker (2) to rotate left and right up and down, the rotating assembly (4) comprises a guide cylinder (41) sleeved on the outer side of the loudspeaker (2), guide grooves (411) are symmetrically and spirally arranged on the inner side wall of the guide cylinder (41), the rotation directions of the two guide grooves (411) symmetrical with respect to the central axis of the guide cylinder (41) are opposite, guide blocks (21) capable of sliding along the guide grooves (411) are arranged on the outer side wall of the loudspeaker (2), and a first driving assembly for driving the loudspeaker (2) to rotate is arranged in the earphone body (1); the earphone body (1) is provided with a guide rod (6) along the moving direction of the guide cylinder (41), the guide rod (6) is in sliding fit with the guide cylinder (41), the guide cylinder (41) is sleeved on the outer side of the loudspeaker (2), and the inner diameter of the guide cylinder (41) is larger than the diameter of the largest circular surface of the loudspeaker (2); the guide block (21) comprises a first connecting part connected to the side wall of the horn (2) and a first spherical part connected to the first connecting part, the first spherical part is far away from the side wall of the horn (2) and is arranged in the guide slot (411), the diameter of the first spherical part is equal to the width of the bottom of the guide slot (411), the diameter of the first connecting part is smaller than the width of the notch of the guide slot (411), and the depth of the guide slot (411) is larger than the diameter of the first spherical part; annular grooves are formed in the inner side wall of the guide cylinder (41) at the two ends of the guide groove (411), the annular grooves are connected with the two ends of the guide groove (411) which are located on a plane parallel to the end face of the guide cylinder (41), and the first spherical part can rotate along the annular grooves.
6. An earphone according to claim 5, wherein the first driving assembly comprises a telescopic rod (43) and a first gear (44) connected to one end of the telescopic rod (43), the other end of the telescopic rod (43) is hinged to the loudspeaker (2), the telescopic rod (43) is collinear with the central axis of the guide cylinder (41), and a first driving member (45) for driving the first gear (44) to rotate is arranged in the earphone body (1).
7. The earphone of claim 5, wherein the driving mechanism further comprises a moving assembly (5) for driving the speaker (2) to move back and forth, the moving assembly (5) comprises a rotating cylinder (51) sleeved on the outermost side of the speaker (2), the inner side wall of the rotating cylinder (51) is symmetrical and is provided with rotating grooves (511) in a spiral manner, the two rotating grooves (511) symmetrical about the central axis of the rotating cylinder (51) are identical in rotation direction, a rotating block (42) capable of being slidably arranged along the rotating grooves (511) is arranged on the speaker (2), and a second driving assembly for driving the rotating cylinder (51) to rotate is arranged in the earphone body (1).
8. A computer readable storage medium, characterized in that a computer program is stored which can be loaded by a processor and which performs the method of any of the preceding claims 1 to 4.
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| CN202110246036.8A CN113015055B (en) | 2021-03-05 | 2021-03-05 | Earphone wearing correction method and earphone structure |
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| JP2007142783A (en) * | 2005-11-18 | 2007-06-07 | Sharp Corp | Speaker unit, reproduction system, and output property improving method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111988690B (en) * | 2019-05-23 | 2023-06-27 | 小鸟创新(北京)科技有限公司 | Earphone wearing state detection method and device and earphone |
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| JP2007142783A (en) * | 2005-11-18 | 2007-06-07 | Sharp Corp | Speaker unit, reproduction system, and output property improving method |
| JP2010081071A (en) * | 2008-09-24 | 2010-04-08 | Toshiba Corp | Earphone system, and earphone voice correction method |
| CN107959910A (en) * | 2016-10-14 | 2018-04-24 | 宏达国际电子股份有限公司 | Audio system and control method |
| CN106982403A (en) * | 2017-05-25 | 2017-07-25 | 深圳市金立通信设备有限公司 | Detection method and terminal that a kind of earphone is worn |
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