CN112752179B - Earphone control method, handle module and earphone - Google Patents
Earphone control method, handle module and earphone Download PDFInfo
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- CN112752179B CN112752179B CN201911056410.7A CN201911056410A CN112752179B CN 112752179 B CN112752179 B CN 112752179B CN 201911056410 A CN201911056410 A CN 201911056410A CN 112752179 B CN112752179 B CN 112752179B
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- earphone
- elastic wave
- touch area
- sensor
- touch
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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
- 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
Abstract
Disclosed herein are an earphone control method, a handle module and an earphone. The earphone control method comprises the following steps: identifying a touch operation received by the handle housing through an electric signal detected by an elastic wave sensor installed in the earphone housing; and executing a control instruction corresponding to the touch gesture when the touch operation is recognized as the preset touch gesture. The technical scheme improves the control mode of the earphone and reduces the probability of false triggering of the control instruction.
Description
Technical Field
The invention relates to the technical field of earphones, in particular to an earphone control method, a handle module and an earphone.
Background
The wireless earphone can control the playing of the device through the control handle. For example, control music play or stop, volume level adjustment, etc.
The physical key is generally arranged on the control handle to control, but the physical key is easily touched by other objects to be triggered by mistake, so that the use of the earphone by a user is affected.
Disclosure of Invention
The earphone control method, the handle module and the earphone are provided, the flexibility of the earphone control mode can be improved through improvement of the earphone control mode, and the probability of false triggering of control instructions is reduced.
According to a first aspect of the present application, an embodiment of the present application provides an earphone control method, including:
identifying a touch operation received by a housing of the earphone through an electric signal detected by an elastic wave sensor installed in the housing;
and executing a control instruction corresponding to the touch gesture when the touch operation is recognized as the preset touch gesture.
According to a second aspect of the present application, an embodiment of the present application provides an earphone control method, including:
detecting whether an in-ear part of the earphone is close to a human body or not through a capacitance effect of a piezoelectric sensor arranged in an earphone shell of the in-ear part; and/or detecting whether an in-ear part of the earphone is subjected to auricle pressure by an elastic wave sensor installed in an earphone shell of the in-ear part;
and when detecting that the in-ear part of the earphone is close to a human body and/or the in-ear part of the earphone is pressed by auricles, determining that the earphone meets in-ear conditions.
According to a third aspect of the application, an embodiment of the application provides a handle module comprising: a housing and an elastic wave sensor disposed inside the housing;
the elastic wave sensor is used for detecting an elastic wave signal generated when the shell of the handle module is touched and operated, and converting the elastic wave signal into an electric signal.
According to a fourth aspect of the present application, an embodiment of the present application provides an earphone, including: the handle module and the main control module provided in the third aspect of the application;
the main control module is used for acquiring and identifying the electric signal generated by the handle module, and executing a control instruction corresponding to the touch gesture when the touch operation is identified as the preset touch gesture.
According to a fifth aspect of the present application, an embodiment of the present application provides an earphone, including: an in-ear detection module and a main control module;
the in-ear detection module is used for detecting whether the in-ear part of the earphone is close to a human body or not through the capacitance effect of a piezoelectric sensor arranged in the earphone shell of the in-ear part; and/or detecting whether an in-ear part of the earphone is subjected to auricle pressure by an elastic wave sensor installed in an earphone shell of the in-ear part;
the main control module is used for determining that the earphone meets the in-ear condition when detecting that the in-ear part of the earphone is close to a human body and/or the in-ear part of the earphone is subjected to auricle pressure.
Compared with the related art, the embodiment of the application provides a headset control method, a handle module and a headset. And by arranging the elastic wave sensor in the earphone shell, identifying touch operation received by the shell according to an electric signal detected by the elastic wave sensor, and executing a control instruction corresponding to a touch gesture when the touch operation is identified as the preset touch gesture. The earphone control method can also realize in-ear detection through the sensor arranged in the earphone shell at the in-ear position. The technical scheme of the embodiment of the application improves the control mode of the earphone, reduces the probability of false triggering of the control instruction and improves the control experience of the user.
Drawings
Fig. 1 is a flowchart of a headset control method according to embodiment 1 of the present invention;
fig. 2 is a schematic diagram of a touch area of an earphone housing according to embodiment 1 of the present invention;
fig. 3 is a flowchart of a headset control method according to embodiment 2 of the present invention;
FIG. 4-a is a schematic diagram of in-ear detection by an elastic wave sensor according to embodiment 2 of the present invention;
FIG. 4-b is a schematic diagram of in-ear detection by a piezoelectric sensor according to embodiment 2 of the present invention;
FIG. 4-c is a schematic view showing in-ear detection by an elastic wave sensor and an infrared sensor according to embodiment 2 of the present invention;
FIG. 4-d is a schematic diagram of in-ear detection by an elastic wave sensor and a capacitive sensor according to embodiment 2 of the present invention;
FIG. 5 is a schematic view of a handle module according to embodiment 3 of the present invention;
fig. 6 is a schematic structural diagram of an earphone (including a handle module) according to embodiment 4 of the present invention;
fig. 7 is a schematic structural diagram of an earphone (including a handle module and an in-ear detection module) according to embodiment 4 of the present invention;
FIG. 8 is a schematic diagram of an earphone (including an acoustic wave sensor (for in-ear detection and gesture control) and a handle touch area) according to embodiment 4 of the present invention;
Fig. 9 is a schematic structural diagram of an earphone according to embodiment 5 of the present application;
description of the reference numerals
1 a housing for a touch area; 2 an elastic wave sensor;
101 an outer wall of the housing of the touch area;
102 inner walls of the housing of the touch area;
3 earphone shell at the ear-in position; 302 inner wall of earphone housing at the in-ear location;
a piezoelectric sensor; 5 an infrared sensor; 6, a light hole; a capacitive sensor;
10 a handle module; 20 main control module; 30 in-ear detection module.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in detail hereinafter with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be arbitrarily combined with each other.
The steps illustrated in the flowchart of the figures may be performed in a computer system, such as a set of computer-executable instructions. Also, while a logical order is depicted in the flowchart, in some cases, the steps depicted or described may be performed in a different order than presented herein.
Example 1
As shown in fig. 1, an embodiment of the present application provides a method for controlling an earphone, where the method includes:
Step S110, identifying touch operation of the shell through an electric signal detected by an elastic wave sensor arranged in the earphone shell;
step S120, executing a control instruction corresponding to the touch gesture when the touch operation is identified as the preset touch gesture.
In the above embodiment, the elastic wave sensor is disposed in the earphone housing, the touch operation received by the housing is identified according to the electrical signal detected by the elastic wave sensor, and the control instruction corresponding to the touch gesture is executed when the touch operation is identified as the preset touch gesture. Compared with the traditional key touch control, the earphone control method is flexible in control mode, reduces the probability of false triggering of control instructions, and improves the control experience of users.
The elastic wave sensor is used for collecting an elastic wave signal, and the elastic wave is a wave propagating in a hard object. Elastic wave sensors have many unique advantages over other sensors, such as: is not affected by the conductivity of the material, and can support non-conductive materials (such as glass, plastic, wood board and the like) and conductive materials (such as iron board, steel board and the like). The elastic wave sensor has low power consumption, no radiation and strong anti-interference capability. Elastic wave sensors include, but are not limited to, piezoelectric sensors, strain sensors, and the like.
The earphone housing is hard, and the touch operation can cause the earphone housing to bear force and generate tiny fluctuation, the fluctuation propagates in the earphone housing in the form of elastic waves, and when the elastic wave sensor is in close contact with the inner wall of the earphone housing in the touch area, an elastic wave signal generated by the touch operation can be detected.
In one embodiment, the elastic wave sensor disposed inside the earphone housing is a piezoelectric sensor. The piezoelectric sensor includes: piezoelectric ceramics, piezoelectric crystals, piezoelectric films, and the like. In other embodiments, the elastic wave sensor may be a strain sensor or the like.
The sensitive element of the piezoelectric sensor is made of piezoelectric material, the surface of the piezoelectric material generates charges after being stressed, and the charges are directly proportional to the electric quantity output of the applied external force after being amplified and transformed by the charge amplifier and the measuring circuit. The piezoelectric sensor has the advantages of wide frequency band, high sensitivity, high signal to noise ratio, simple structure, reliable operation and light weight. The piezoelectric material is a material having a piezoelectric effect, and includes: piezoelectric crystals, piezoelectric ceramics, piezoelectric polymers, and the like.
In one embodiment, the housing inside the earphone housing where the piezoelectric sensor is provided may be ceramic molded and polarized, the piezoelectric sensor being formed by internal printed traces.
In one embodiment, the preset touch gesture includes at least one of the following gestures: flick, double click, triple click, slide.
Wherein the swipe gesture includes: slide up or slide down;
in one embodiment, as shown in fig. 2, the earphone housing has a touch area, in which roughness of an outer wall 101 of the housing 1 varies, and one or more elastic wave sensors 2 are mounted on an inner wall 102 of the housing 1. The elastic wave sensor is closely contacted with the inner wall of the touch area. The elastic wave sensor may be elongated, annular, circular, square, or other shape. The touch area may be provided on a handle housing of the headset.
In one embodiment, the identification of the touch operation to which the earphone housing is subjected by the electrical signal detected by the elastic wave sensor mounted in the housing includes:
acquiring an electric signal detected by the elastic wave sensor;
determining that the touch area is subjected to a sliding operation if the change in the electrical signal conforms to an expected change in the electrical signal detected by the elastic wave sensor when the sliding operation exists in the touch area;
In one embodiment, the expected variation includes at least one of:
sliding from a location of greater roughness to a location of lesser roughness in the touch area, the expected change being from greater to lesser electrical signal amplitude; sliding from a position of small roughness to a position of large roughness in the touch area, the expected change being from small to large in electrical signal amplitude;
sliding from a position of large roughness to a position of small roughness in the touch area, the expected change being from less to more of a high frequency component of an electrical signal and from more to less of a low frequency component; sliding from a position of small roughness to a position of large roughness in the touch area, the expected change being from more to less of a high frequency component of the electrical signal and from less to more of a low frequency component;
and analyzing the frequency spectrum of the electric signal, and calculating the energy value of each frequency band, wherein when the electric signal slides from the position with large roughness to the position with small roughness in the touch area, the energy value change trend of each frequency band in the frequency spectrum is as follows: the change trend of the low-frequency energy value is descending, and the change trend of the high-frequency energy value is ascending. When the touch area slides from the position with small roughness to the position with large roughness, the energy value change trend of each frequency band in the frequency spectrum is as follows: the trend of the low-frequency energy value is ascending, and the trend of the high-frequency energy value is descending.
As shown in fig. 2, the roughness of the touch area decreases from top to bottom. In other embodiments, the roughness of the touch area may also increase from top to bottom.
The roughness of the touch area can also be varied in various ways according to design requirements. Through the design of the roughness differential distribution of the shell of the touch area, the track of the touch gesture can be accurately identified through the change of the amplitude or the frequency of the electric signal, so that the design of the touch gesture is enriched.
In an embodiment, the control instruction corresponding to the touch gesture includes at least one of the following: play/pause, play last song, play next song, volume up, volume down, on/off phone; the playing instruction and the pause instruction use the same touch control gesture, if the equipment is in a playing state, the touch control gesture when touching corresponds to the pause instruction, and if the equipment is in a pause or stop state, the touch control gesture when touching corresponds to the playing instruction. The same touch control gesture is used for the call-on instruction and the hang-up instruction, if the equipment is in an un-talking state, the touch control gesture when touching corresponds to the call-on instruction, and if the equipment is in a talking state, the touch control gesture when touching corresponds to the hang-up instruction.
The correspondence between the touch gesture and the control command may be as shown in table 1 below:
TABLE 1
In one embodiment, before the electrical signal detected by the acoustic wave sensor mounted in the earphone housing identifies the touch operation to which the housing is subjected, the method further comprises: detecting that the in-ear part of the earphone is close to a human body through the capacitance effect of a piezoelectric sensor arranged in the earphone shell of the in-ear part; and/or detecting that the in-ear part of the earphone is subjected to auricle pressure by an elastic wave sensor arranged in the earphone shell of the in-ear part.
Wherein, the capacitance effect of the piezoelectric sensor means: when a piezoelectric sensor is used as a capacitive element, when a human body or a conductor approaches the piezoelectric sensor, the piezoelectric sensor may generate a charge to be accumulated between the two electrodes of the sensor, that is, the capacitance between the two electrodes of the piezoelectric sensor may change. It is thus possible to detect whether a human body is close to the piezoelectric sensor based on a change in capacitance between the two electrodes of the piezoelectric sensor.
The elastic wave sensor includes: a piezoelectric sensor or strain sensor;
in one embodiment, when the elastic wave sensor is a piezoelectric sensor, the piezoelectric sensor that detects whether the in-ear portion of the earphone is close to the human body may also be used as the elastic wave sensor to detect whether the in-ear portion of the earphone is under pressure of auricles;
In one embodiment, the elastic wave sensor for in-ear detection and the elastic wave sensor for touch area gesture detection may be time-multiplexed to the same sensor; the sensor may be mounted in an in-ear location of the headset.
In one embodiment, before detecting that the in-ear site of the earphone is subjected to pressure by the auricle by an elastic wave sensor mounted within the earphone housing of the in-ear site, the method further comprises:
the in-ear part of the earphone is detected to be close to a human body by a capacitance sensor or an infrared sensor arranged in the earphone shell of the in-ear part.
When a human body (detection object) approaches the capacitive sensor, the charge between the two detection electrodes of the capacitive sensor increases to increase the capacitance between the detection electrodes. Whether the human body approaches the capacitive sensor can be detected by a change in capacitance of the capacitive sensor.
Wherein the infrared sensor is capable of sensing infrared rays radiated from the object, and measuring is performed using physical properties of the infrared rays. The human body is a radiator of infrared rays with specific wavelength, when the human body approaches the infrared sensor, the infrared sensor releases charges outwards by utilizing the pyroelectric effect, and the processing circuit judges whether the human body approaches the infrared sensor or not by detecting the change of the charge quantity.
In the above embodiment, by adopting the elastic wave sensor, the key operation in the prior art can be improved to be a touch mode, and the control mode of the earphone is improved by using a low-cost touch mode, so that the probability of false triggering of a control instruction is greatly reduced. In addition, through the roughness difference distribution design of the outer wall of the touch area, the track of the touch gesture can be accurately identified through the change of the amplitude or the frequency of the electric signal, so that the design of the touch gesture is enriched. Furthermore, the in-ear detection can be conveniently realized through the sensor arranged in the earphone shell at the in-ear part, so that the reliability of earphone control is further improved.
Example 2
As shown in fig. 3, an embodiment of the present invention provides a method for controlling an earphone, where the method includes:
step S110, detecting whether the in-ear part of the earphone is close to a human body or not through the capacitance effect of a piezoelectric sensor arranged in the earphone shell of the in-ear part; and/or detecting whether an in-ear part of the earphone is subjected to auricle pressure by an elastic wave sensor installed in an earphone shell of the in-ear part;
step S120, when detecting that the in-ear part of the earphone is close to a human body and/or the in-ear part of the earphone is pressed by auricles, determining that the earphone meets in-ear conditions.
Wherein, the capacitance effect of the piezoelectric sensor means: when a piezoelectric sensor is used as a capacitive element, when a human body or a conductor approaches the piezoelectric sensor, the piezoelectric sensor may generate a charge to be accumulated between the two electrodes of the sensor, that is, the capacitance between the two electrodes of the piezoelectric sensor may change. It is thus possible to detect whether a human body is close to the piezoelectric sensor based on a change in capacitance between the two electrodes of the piezoelectric sensor.
The elastic wave sensor includes: a piezoelectric sensor or strain sensor;
when the elastic wave sensor is a piezoelectric sensor, the piezoelectric sensor for detecting whether the in-ear part of the earphone is close to a human body can also be used as the elastic wave sensor for detecting whether the in-ear part of the earphone is under the pressure of auricles;
the piezoelectric sensor includes: piezoelectric ceramics, piezoelectric crystals, piezoelectric films, and the like.
In one embodiment, the housing inside the earphone housing at the in-ear location may be ceramic molded and polarized, forming the piezoelectric sensor by internal printed traces.
In one embodiment, before detecting that the in-ear site of the earphone is subjected to pressure by the auricle by an elastic wave sensor mounted within the earphone housing of the in-ear site, the method further comprises:
The in-ear part of the earphone is detected to be close to a human body by a capacitance sensor or an infrared sensor arranged in the earphone shell of the in-ear part.
When a human body (detection object) approaches the capacitive sensor, the charge between the two detection electrodes of the capacitive sensor increases to increase the capacitance between the detection electrodes. Whether the human body approaches the capacitive sensor can be detected by a change in capacitance of the capacitive sensor.
Wherein the infrared sensor is capable of sensing infrared rays radiated from the object, and measuring is performed using physical properties of the infrared rays. The human body is a radiator of infrared rays with specific wavelength, when the human body approaches the infrared sensor, the infrared sensor releases charges outwards by utilizing the pyroelectric effect, and the processing circuit judges whether the human body approaches the infrared sensor or not by detecting the change of the charge quantity.
Wherein, the detection of the in-ear part of the earphone near the human body by the capacitance effect of the piezoelectric sensor installed in the earphone housing of the in-ear part includes:
collecting an electric signal generated by a capacitance effect of a piezoelectric sensor arranged in an earphone shell of an in-ear part when the in-ear part is close to a human body; determining that the in-ear location is near the human body when the electrical signal is identified as an expected electrical signal when the in-ear location is near the human body;
Wherein, detect through installing the acoustic wave sensor in the earphone shell of in-ear position that in-ear position receives the pressure of auricle, include:
detecting an elastic wave signal generated when the earphone shell of the in-ear part is stressed by an elastic wave sensor arranged in the earphone shell of the in-ear part and converting the elastic wave signal into an electric signal; and when the electric signal is identified as an expected electric signal when the in-ear part is subjected to auricle pressure, determining that the in-ear part of the earphone is subjected to auricle pressure.
In one embodiment, when the earphone does not meet an in-ear condition, the method further comprises:
judging whether a loudspeaker of the earphone is in a playing state or not;
executing a pause instruction to temporarily stop the playing of the loudspeaker when the loudspeaker is in a playing state; and monitoring whether the earphone meets the in-ear condition again, and if so, executing a playing instruction to resume playing of the loudspeaker.
The in-ear part of the earphone comprises a loudspeaker and an earphone shell for accommodating the loudspeaker, and further comprises a sensor arranged inside the earphone shell.
In one embodiment, as shown in fig. 4-a, the acoustic wave sensor 2 is mounted within the earphone housing 3 at the in-ear location, the acoustic wave sensor 2 being proximate to the inner wall 302 of the earphone housing 3 on the auricle side.
The earphone shell is hard, when the in-ear part of the earphone is in the ear, the pressure of the auricle can enable the earphone shell at the in-ear part to bear force and generate tiny fluctuation, the fluctuation propagates in the earphone shell in the form of elastic waves, and when the elastic wave sensor is in close contact with the inner wall of the earphone shell at the auricle side, an elastic wave signal generated when the in-ear part is in the ear can be detected.
In one embodiment, the elastic wave sensor disposed inside the earphone housing at the in-ear location is a piezoelectric sensor. The piezoelectric sensor includes: piezoelectric ceramics, piezoelectric crystals, piezoelectric films, and the like. In other embodiments, the elastic wave sensor may be a strain sensor or the like.
In other embodiments, the elastic wave sensor may be a strain sensor or the like.
In one embodiment, the expected electrical signal when subjected to auricle pressure comprises: the amplitude of the electrical signal is greater than or equal to a threshold value; or the power of the electrical signal is greater than or equal to the threshold. The threshold value may be preset in the memory of the earphone chip before leaving the factory, or obtained through self-learning after leaving the factory of the earphone.
In one embodiment, the housing inside the earphone housing at the in-ear location may be ceramic molded and polarized, forming the piezoelectric sensor by internal printed traces.
In one embodiment, as shown in fig. 4-b, a piezoelectric sensor 4 is mounted within the earphone housing 3 at the in-ear location, the piezoelectric sensor 4 being proximate to the inner wall 302 of the earphone housing 3 on the auricle side.
When a piezoelectric sensor is used as a capacitive element, when a human body or a conductor approaches the piezoelectric sensor, the piezoelectric sensor may generate a charge to be accumulated between the two electrodes of the sensor, that is, the capacitance between the two electrodes of the piezoelectric sensor may change. It is thus possible to detect whether a human body is close to the piezoelectric sensor based on a change in capacitance between the two electrodes of the piezoelectric sensor.
In one embodiment, the piezoelectric sensor for detecting whether the in-ear part of the earphone is close to the human body may detect whether the human body is close to the human body by using a capacitance effect, and then detect whether the in-ear part of the earphone is under pressure of auricles by using the piezoelectric effect of the piezoelectric sensor as an elastic wave sensor.
In one embodiment, as shown in fig. 4-c, the acoustic wave sensor 2 and the capacitance sensor 7 are mounted within the earphone housing 3 at the in-ear site. The elastic wave sensor 2 and the capacitance sensor 7 are both close to the inner wall 302 of the earphone housing 3 on the auricle side.
As the ear skin approaches the capacitive sensor, the increase in charge between the two sensing electrodes of the capacitive sensor causes a concomitant increase in capacitance between the sensing electrodes. Whether the human body approaches the capacitive sensor can be detected by a change in capacitance of the capacitive sensor.
In one embodiment, as shown in fig. 4-d, the acoustic wave sensor 2 and the infrared sensor 5 are mounted in the earphone housing 3 at the in-ear site. The elastic wave sensor 2 is close to the inner wall 302 of the earphone housing 3 on the auricle side. The infrared sensor 5 can be arranged on a circuit board inside the earphone shell, and a light hole 6 is formed in the earphone shell 3 at the in-ear position and corresponds to the photosensitive position of the infrared sensor 5. When the in-ear part of the earphone is in the ear, the infrared sensor can sense infrared rays radiated by the skin of the ear, the infrared sensor releases charges outwards by utilizing the pyroelectric effect, and the processing circuit judges whether the human body is close to the infrared sensor or not by detecting the change of the charge quantity.
In one embodiment, after determining that the earphone meets an in-ear condition, the method further comprises:
identifying a touch operation received by a housing of the earphone through an electric signal detected by an elastic wave sensor installed in the housing; and executing a control instruction corresponding to the touch gesture when the touch operation is recognized as the preset touch gesture.
In one embodiment, the earphone housing has a touch area, the roughness of the outer wall of the touch area varies, and one or more elastic wave sensors are mounted on the inner wall of the touch area. The touch area may be provided on a handle housing of the headset.
In one embodiment, the identification of the touch operation to which the earphone housing is subjected by the electrical signal detected by the elastic wave sensor mounted in the housing includes:
acquiring an electric signal detected by the elastic wave sensor;
and if the change of the electric signal accords with the expected change of the electric signal detected by the elastic wave sensor when the sliding operation exists in the touch area, determining that the touch area is subjected to the sliding operation.
In one embodiment, the expected variation includes at least one of:
sliding from a location of greater roughness to a location of lesser roughness in the touch area, the expected change being from greater to lesser electrical signal amplitude; sliding from a position of small roughness to a position of large roughness in the touch area, the expected change being from small to large in electrical signal amplitude;
sliding from a position of large roughness to a position of small roughness in the touch area, the expected change being from less to more of a high frequency component of an electrical signal and from more to less of a low frequency component; sliding from a position of small roughness to a position of large roughness in the touch area, the expected change being from more to less of a high frequency component of the electrical signal and from less to more of a low frequency component;
In one embodiment, the roughness of the touch area decreases from top to bottom or increases from top to bottom.
In one embodiment, the elastic wave sensor for in-ear detection and the elastic wave sensor for touch area gesture detection may be time-multiplexed to the same sensor; the sensor may be mounted in an in-ear location of the headset. And when the elastic wave sensor is a piezoelectric sensor, the capacitance effect of the piezoelectric sensor can be used for detecting whether the human body approaches or not when in-ear detection is performed.
In the above embodiment, the in-ear detection of the earphone can be conveniently realized by the sensor arranged in the earphone shell at the in-ear position, and the reliability of earphone control is further improved.
Example 3
As shown in fig. 5, an embodiment of the present invention provides a handle module including: a housing 1 and an elastic wave sensor 2 provided inside the housing 1;
the elastic wave sensor is used for detecting an elastic wave signal generated when the shell of the handle module is touched and operated, and converting the elastic wave signal into an electric signal.
According to the handle module, the elastic wave sensor is arranged in the handle shell, and the touch operation on the handle shell is detected through the elastic wave sensor, so that the control mode is more flexible relative to the handle controlled by the physical key, and the false triggering probability of a control instruction is reduced.
In one embodiment, the handle housing has a touch area with a change in roughness of an outer wall of the touch area, and one or more acoustic wave sensors are mounted on an inner wall of the touch area. The elastic wave sensor is closely contacted with the inner wall of the touch area. The elastic wave sensor may be elongated, annular, circular, square, or other shape.
In one embodiment, the roughness of the touch area decreases from top to bottom or increases from top to bottom.
The earphone housing is hard, and the touch operation can cause the earphone housing to bear force and generate tiny fluctuation, the fluctuation propagates in the earphone housing in the form of elastic waves, and when the elastic wave sensor is in close contact with the inner wall of the earphone housing in the touch area, an elastic wave signal generated by the touch operation can be detected.
In one embodiment, the elastic wave sensor disposed inside the handle housing is a piezoelectric sensor. The piezoelectric sensor includes: piezoelectric ceramics, piezoelectric crystals, piezoelectric films, and the like. In other embodiments, the elastic wave sensor may be a strain sensor or the like.
In one embodiment, the elastic wave sensor is a piezoelectric sensor; the housing inside the housing of the handle module is ceramic molded and polarized, and the piezoelectric sensor is formed by internal printed wiring.
Example 4
As shown in fig. 6, an embodiment of the present invention provides an earphone, including: a handle module 10 and a main control module 20;
the handle module is used for detecting an elastic wave signal generated when the shell of the handle module is touched by an elastic wave sensor arranged in the shell of the earphone handle module and converting the elastic wave signal into an electric signal;
the main control module is used for acquiring and identifying the electric signal generated by the handle module, and executing a control instruction corresponding to the touch gesture when the touch operation is identified as the preset touch gesture;
in the above embodiment, the earphone identifies a touch operation received by the handle housing according to an electrical signal detected by the elastic wave sensor by arranging the elastic wave sensor in the housing of the handle module, and executes a control instruction corresponding to the touch gesture when the touch operation is identified as the preset touch gesture. Compared with the traditional key touch control, the control mode of the earphone is flexible, the probability of false triggering of control instructions is reduced, and the control experience of a user is improved.
In one embodiment, the handle housing has a touch area with a change in roughness of an outer wall of the touch area, and one or more acoustic wave sensors are mounted on an inner wall of the touch area. The elastic wave sensor is closely contacted with the inner wall of the touch area. The elastic wave sensor may be elongated, annular, circular, square, or other shape.
In one embodiment, the elastic wave sensor disposed inside the handle housing is a piezoelectric sensor. The piezoelectric sensor includes: piezoelectric ceramics, piezoelectric crystals, piezoelectric films, and the like. In other embodiments, the elastic wave sensor may be a strain sensor or the like.
In one embodiment, the housing inside the earphone handle housing may be ceramic molded and polarized, forming a piezoelectric sensor through the internal printed tracks.
In one embodiment, the roughness of the touch area decreases from top to bottom or increases from top to bottom.
In one embodiment, the preset touch gesture includes at least one of the following gestures: flick, double click, triple click, slide.
Wherein the swipe gesture includes: slide up or slide down;
in one embodiment, the master control module is configured to identify the electrical signal generated by the handle module by: determining that the touch area is subject to a sliding operation if the change in the electrical signal conforms to an expected change in the electrical signal detected by the piezoelectric sensor when the sliding operation exists in the touch area;
in one embodiment, the expected variation includes at least one of:
Sliding from a location of greater roughness to a location of lesser roughness in the touch area, the expected change being from greater to lesser electrical signal amplitude; sliding from a position of small roughness to a position of large roughness in the touch area, the expected change being from small to large in electrical signal amplitude;
sliding from a position of large roughness to a position of small roughness in the touch area, the expected change being from less to more of a high frequency component of an electrical signal and from more to less of a low frequency component; sliding from a position of small roughness to a position of large roughness in the touch area, the expected change being from more to less of a high frequency component of the electrical signal and from less to more of a low frequency component;
the roughness of the touch area can also be varied in various ways according to design requirements. Through the design of the roughness differential distribution of the handle shell, the track of the touch gesture can be accurately identified through the change of the amplitude or the frequency of the electric signal, so that the design of the touch gesture is enriched.
In one embodiment, as shown in fig. 7, the headset further comprises an in-ear detection module 30;
the in-ear detection module is used for detecting whether the in-ear part of the earphone is close to a human body or not through the capacitance effect of a piezoelectric sensor arranged in the earphone shell of the in-ear part; and/or detecting whether an in-ear part of the earphone is subjected to auricle pressure by an elastic wave sensor installed in an earphone shell of the in-ear part;
The main control module is further used for determining that the earphone meets the in-ear condition when detecting that the in-ear position of the earphone is close to a human body and/or the in-ear position of the earphone is subjected to pressure of auricles.
In one embodiment, as shown in fig. 8, the elastic wave sensor for in-ear detection and the elastic wave sensor for gesture detection of the touch area may be time-multiplexed to the same sensor; the sensor may be mounted in an in-ear location of the headset. And when the elastic wave sensor is a piezoelectric sensor, the capacitance effect of the piezoelectric sensor can be used for detecting whether the human body approaches or not when in-ear detection is performed.
In the above embodiment, by arranging the elastic wave sensor in the handle of the earphone, the key operation in the prior art can be improved to be a touch mode, and the control mode of the earphone is improved by using a low-cost handle touch mode, so that the probability of false triggering of a control instruction is greatly reduced. In addition, through the roughness difference distribution design of the outer wall of the handle shell, the track of the touch gesture can be accurately identified through the change of the amplitude or the frequency of the electric signal, so that the design of the touch gesture is enriched. Furthermore, the in-ear detection can be conveniently realized through the sensor arranged in the earphone shell at the in-ear part, so that the reliability of earphone control is further improved.
Example 5
As shown in fig. 9, an embodiment of the present invention provides an earphone, including: an in-ear detection module 30 and a main control module 20;
the in-ear detection module is used for detecting whether the in-ear part of the earphone is close to a human body or not through the capacitance effect of a piezoelectric sensor arranged in the earphone shell of the in-ear part; and/or detecting whether an in-ear part of the earphone is subjected to auricle pressure by an elastic wave sensor installed in an earphone shell of the in-ear part;
the main control module is used for determining that the earphone meets the in-ear condition when detecting that the in-ear part of the earphone is close to a human body and/or the in-ear part of the earphone is pressed by auricles;
in the above embodiment, in-ear detection can be realized by arranging the elastic wave sensor and/or the piezoelectric sensor in the earphone shell of the in-ear part, so that the probability of false triggering of the control instruction is reduced, and the control experience of a user is improved.
In one embodiment, the elastic wave sensor disposed inside the earphone housing at the in-ear location is a piezoelectric sensor. The piezoelectric sensor includes: piezoelectric ceramics, piezoelectric crystals, piezoelectric films, and the like. In other embodiments, the elastic wave sensor may be a strain sensor or the like.
In one embodiment, the housing inside the earphone housing at the in-ear location may be ceramic molded and polarized, forming the piezoelectric sensor by internal printed traces.
When the elastic wave sensor is a piezoelectric sensor, the piezoelectric sensor for detecting whether the in-ear part of the earphone is close to a human body can also be used as the elastic wave sensor for detecting whether the in-ear part of the earphone is under the pressure of auricles;
in one embodiment, as shown in fig. 7, the headset further comprises a handle module 10;
the handle module is used for detecting touch operation received by the handle shell through an elastic wave sensor arranged in the earphone handle shell and generating an electric signal;
the main control module is used for acquiring and identifying the electric signal generated by the handle module, and executing a control instruction corresponding to the touch gesture when the touch operation is identified as the preset touch gesture;
in the above embodiment, the earphone identifies a touch operation received by the handle housing according to an electrical signal detected by the elastic wave sensor by arranging the elastic wave sensor in the housing of the handle module, and executes a control instruction corresponding to the touch gesture when the touch operation is identified as the preset touch gesture. Compared with the traditional key touch control, the control mode of the earphone is flexible, the probability of false triggering of control instructions is reduced, and the control experience of a user is improved.
In one embodiment, the handle housing has a touch area with a change in roughness of an outer wall of the touch area, and one or more acoustic wave sensors are mounted on an inner wall of the touch area. The elastic wave sensor is closely contacted with the inner wall of the touch area. The elastic wave sensor may be elongated, annular, circular, square, or other shape.
In one embodiment, the elastic wave sensor disposed inside the handle housing is a piezoelectric sensor. The piezoelectric sensor includes: piezoelectric ceramics, piezoelectric crystals, piezoelectric films, and the like. In other embodiments, the elastic wave sensor may be a strain sensor or the like.
In one embodiment, the housing inside the earphone handle housing may be ceramic molded and polarized, forming a piezoelectric sensor through the internal printed tracks.
In one embodiment, the roughness of the touch area decreases from top to bottom or increases from top to bottom.
In one embodiment, the preset touch gesture includes at least one of the following gestures: flick, double click, triple click, slide.
Wherein the swipe gesture includes: slide up or slide down;
In one embodiment, the master control module is configured to identify the electrical signal generated by the handle module by: determining that the touch area is subject to a sliding operation if the change in the electrical signal conforms to an expected change in the electrical signal detected by the piezoelectric sensor when the sliding operation exists in the touch area;
in one embodiment, the expected variation includes at least one of:
sliding from a location of greater roughness to a location of lesser roughness in the touch area, the expected change being from greater to lesser electrical signal amplitude; sliding from a position of small roughness to a position of large roughness in the touch area, the expected change being from small to large in electrical signal amplitude;
sliding from a position of large roughness to a position of small roughness in the touch area, the expected change being from less to more of a high frequency component of an electrical signal and from more to less of a low frequency component; sliding from a position of small roughness to a position of large roughness in the touch area, the expected change being from more to less of a high frequency component of the electrical signal and from less to more of a low frequency component;
the roughness of the touch area can also be varied in various ways according to design requirements. Through the design of the roughness differential distribution of the handle shell, the track of the touch gesture can be accurately identified through the change of the amplitude or the frequency of the electric signal, so that the design of the touch gesture is enriched.
In one embodiment, as shown in fig. 8, the elastic wave sensor for in-ear detection and the elastic wave sensor for gesture detection of the touch area may be time-multiplexed to the same sensor; the sensor may be mounted in an in-ear location of the headset. And when the elastic wave sensor is a piezoelectric sensor, the capacitance effect of the piezoelectric sensor can be used for detecting whether the human body approaches or not when in-ear detection is performed.
In the above embodiment, in-ear detection can be conveniently realized through the sensor inside the earphone shell arranged at the in-ear position, and the reliability of earphone control is further improved. By arranging the elastic wave sensor in the earphone shell, key operation in the prior art can be improved into a touch mode, the control mode of the earphone is improved by using a low-cost handle touch mode, and the probability of false triggering of control instructions is greatly reduced. In addition, through the roughness difference distribution design of the outer wall of the shell of the touch area, the track of the touch gesture can be accurately identified through the change of the amplitude or the frequency of the electric signal, so that the design of the touch gesture is enriched.
Those of ordinary skill in the art will appreciate that all or some of the steps, systems, functional modules/units in the apparatus, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between the functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed cooperatively by several physical components. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as known to those skilled in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. Furthermore, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media.
It is to be understood that various other embodiments of the present invention may be made by those skilled in the art without departing from the spirit and scope of the invention, and that various changes and modifications may be made in accordance with the invention without departing from the scope of the invention as defined in the following claims.
Claims (11)
1. A method of headset control, the method comprising:
identifying touch operation of the shell through an electric signal detected by an elastic wave sensor arranged in the earphone shell, wherein the shell is provided with a touch area, and the roughness of the outer wall of the touch area is changed;
executing a control instruction corresponding to a touch gesture when the touch operation is recognized as the preset touch gesture;
wherein the recognition of the touch operation received by the housing by the electrical signal detected by the elastic wave sensor installed in the earphone housing includes: acquiring an electric signal detected by the elastic wave sensor; determining that the touch area is subjected to a sliding operation if the change in the electrical signal conforms to an expected change in the electrical signal detected by the elastic wave sensor when the sliding operation exists in the touch area;
The expected variations include: sliding from a position of large roughness to a position of small roughness in the touch area, the expected change being from less to more of a high frequency component of an electrical signal and from more to less of a low frequency component; sliding from a position of small roughness to a position of large roughness in the touch area, the expected change is that the high frequency component of the electrical signal is from more to less and the low frequency component is from less to more.
2. The method of claim 1, wherein:
one or more elastic wave sensors are arranged on the inner wall of the touch area.
3. The method of claim 2, wherein:
the touch area is arranged on the handle shell of the earphone, and the roughness of the touch area is reduced from top to bottom or increased from top to bottom.
4. The method of claim 1, wherein prior to the identifying the touch operation to which the housing is subjected by the electrical signal detected by an acoustic wave sensor mounted within the earphone housing, the method further comprises: detecting that the in-ear part of the earphone is close to a human body through the capacitance effect of a piezoelectric sensor arranged in the earphone shell of the in-ear part; and/or detecting that the in-ear part of the earphone is subjected to auricle pressure by an elastic wave sensor arranged in the earphone shell of the in-ear part.
5. The method of claim 4, wherein:
before detecting that the in-ear part of the earphone is subjected to pressure by the auricle by an elastic wave sensor mounted in the earphone housing of the in-ear part, the method further comprises:
the in-ear part of the earphone is detected to be close to a human body by a capacitance sensor or an infrared sensor arranged in the earphone shell of the in-ear part.
6. A handle module, comprising: a housing and an elastic wave sensor disposed inside the housing;
the shell is provided with a touch area, and the roughness of the outer wall of the touch area is changed;
the elastic wave sensor is used for detecting an elastic wave signal generated when the handle shell is subjected to touch operation and converting the elastic wave signal into an electric signal, and if the change of the electric signal accords with the expected change of the electric signal detected by the elastic wave sensor when the touch area has sliding operation, determining that the touch area is subjected to sliding operation;
the expected variations include: sliding from a position of large roughness to a position of small roughness in the touch area, the expected change being from less to more of a high frequency component of an electrical signal and from more to less of a low frequency component; sliding from a position of small roughness to a position of large roughness in the touch area, the expected change is that the high frequency component of the electrical signal is from more to less and the low frequency component is from less to more.
7. The handle module of claim 6, wherein:
one or more elastic wave sensors are arranged on the inner wall of the touch area.
8. The handle module of claim 7, wherein:
the roughness of the touch area decreases from top to bottom or increases from top to bottom.
9. The handle module as recited in any one of claims 6-8, wherein,
the elastic wave sensor is a piezoelectric sensor; the housing inside the housing of the handle module is ceramic molded and polarized, and the piezoelectric sensor is formed by internal printed wiring.
10. An earphone, comprising: the handle module and master control module of any one of claims 6-9;
the main control module is used for acquiring and identifying the electric signal generated by the handle module, and executing a control instruction corresponding to the touch gesture when the touch operation is identified as the preset touch gesture;
the main control module is used for identifying the electric signals generated by the handle module in the following mode: determining that the touch area is subject to a sliding operation if the change in the electrical signal corresponds to an expected change in the electrical signal detected by the piezoelectric sensor when the sliding operation exists in the touch area;
The expected variations include: sliding from a position of large roughness to a position of small roughness in the touch area, the expected change being from less to more of a high frequency component of an electrical signal and from more to less of a low frequency component; sliding from a position of small roughness to a position of large roughness in the touch area, the expected change is that the high frequency component of the electrical signal is from more to less and the low frequency component is from less to more.
11. The headset of claim 10, wherein the headset further comprises an in-ear detection module;
the in-ear detection module is used for detecting whether the in-ear part of the earphone is close to a human body or not through the capacitance effect of a piezoelectric sensor arranged in the earphone shell of the in-ear part; and/or detecting whether an in-ear part of the earphone is subjected to auricle pressure by an elastic wave sensor installed in an earphone shell of the in-ear part;
the main control module is further used for determining that the earphone meets the in-ear condition when detecting that the in-ear position of the earphone is close to a human body and/or the in-ear position of the earphone is subjected to pressure of auricles.
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| CN201911056410.7A CN112752179B (en) | 2019-10-31 | 2019-10-31 | Earphone control method, handle module and earphone |
| CN202211210711.2A CN115361628A (en) | 2019-10-31 | 2019-10-31 | Earphone control method and earphone |
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