CN111988692A - Earphone wearing state detection method and device, earphone and storage medium - Google Patents
Earphone wearing state detection method and device, earphone and storage medium Download PDFInfo
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- CN111988692A CN111988692A CN202010790484.XA CN202010790484A CN111988692A CN 111988692 A CN111988692 A CN 111988692A CN 202010790484 A CN202010790484 A CN 202010790484A CN 111988692 A CN111988692 A CN 111988692A
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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
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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
- H04R1/1083—Reduction of ambient noise
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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
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
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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
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
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- Acoustics & Sound (AREA)
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Abstract
The application provides a method and a device for detecting wearing states of earphones, the earphones and a storage medium, wherein the method comprises the following steps: playing and detecting sound waves through a loudspeaker; collecting and detecting sound waves through a microphone to obtain collected sound waves; determining whether the earphone is in a wearing state or not according to the collected sound waves and the first preset threshold value sound waves; and if the earphone is determined to be in a wearing state, determining whether the wearing direction of the earphone is correct or not according to the collected sound waves and a second preset threshold sound wave, wherein the sound pressure intensity corresponding to the frequency in the second preset threshold sound wave is greater than the sound pressure intensity corresponding to the same frequency in the first preset threshold sound wave. This application is according to gathering the sound wave and detecting the sound wave and discern effectively whether the earphone is in wearing the state, and whether the detection orientation of wearing is best. The user is reminded to improve the wearing direction of the earphone, and the earphone starts to work after the wearing direction is determined to be optimal, so that the noise reduction effect and the sound quality can reach the optimal state. On the premise of not increasing the cost, the practicability and the user experience of the earphone are enhanced, and the earphone is more intelligent.
Description
Technical Field
The application belongs to the technical field of electronic equipment, and particularly relates to a method and a device for detecting wearing state of an earphone, the earphone and a storage medium.
Background
At present, earphones are one of electronic devices frequently used by people in daily life, such as using earphones to listen to music, or using earphones to listen to a call. In the process of using the earphones, the wearing state of the earphones influences the listening effect, so the wearing state of the earphones needs to be detected.
Currently, some methods for detecting the wearing state of the headset are provided in the related art, but these methods can only detect two states of wearing and non-wearing, and when the headset is detected to be in the wearing state, the headset starts to work. However, when the earphone is worn, the wearing direction is not good, which results in poor listening effect, and the related technology cannot detect the situation.
Disclosure of Invention
The application provides a method and a device for detecting the wearing state of an earphone, the earphone and a storage medium, which can effectively identify whether the earphone is in the wearing state or not and detect whether the wearing direction is optimal or not according to collected sound waves and detected sound waves, so that the noise reduction effect and the sound quality can reach the optimal state. On the premise of not increasing the cost, the practicability and the user experience of the earphone are enhanced, and the earphone is more intelligent.
The embodiment of the first aspect of the present application provides a method for detecting a wearing state of an earphone, where the method includes;
playing and detecting sound waves through a loudspeaker;
collecting the detection sound wave through a microphone to obtain a collected sound wave;
determining whether the earphone is in a wearing state or not according to the collected sound waves and first preset threshold sound waves;
and if the earphone is determined to be in a wearing state, determining whether the wearing direction of the earphone is correct according to the collected sound wave and a second preset threshold sound wave, wherein the sound pressure intensity corresponding to the frequency in the second preset threshold sound wave is greater than the sound pressure intensity corresponding to the same frequency in the first preset threshold sound wave.
In some embodiments of the present application, the determining whether the earphone is in a wearing state according to the collected sound wave and a first preset threshold sound wave includes:
respectively acquiring first sound pressure intensity corresponding to each frequency from the acquired sound waves;
respectively acquiring second acoustic pressure intensity corresponding to each frequency from a first preset threshold value acoustic wave;
judging whether the first sound pressure intensity corresponding to the same frequency is greater than or equal to the second sound pressure intensity corresponding to the same frequency;
counting a first proportion of frequencies with the first sound pressure intensity being greater than or equal to the second sound pressure intensity in a frequency band corresponding to the collected sound waves;
and if the first ratio is greater than or equal to a first preset threshold value, determining that the earphone is in a wearing state.
In some embodiments of the present application, determining whether the wearing direction of the earphone is correct according to the collected sound wave and a second preset threshold sound wave includes:
respectively acquiring first sound pressure intensity corresponding to each frequency from the acquired sound waves;
respectively acquiring third sound pressure intensity corresponding to each frequency from a second preset threshold value sound wave;
judging whether the first sound pressure intensity corresponding to the same frequency is greater than or equal to the third sound pressure intensity corresponding to the same frequency;
counting a second proportion of the frequency with the first sound pressure intensity being greater than or equal to the third sound pressure intensity in the frequency band corresponding to the collected sound wave;
and if the second proportion is larger than or equal to a second preset threshold value, determining that the wearing direction of the earphone is correct.
In some embodiments of the present application, the method further comprises:
and if the earphone is determined to be in a non-wearing state, playing wearing prompt information through the loudspeaker, wherein the wearing prompt information is used for prompting a user to wear the earphone.
In some embodiments of the present application, the method further comprises:
if the earphone is determined to be in a non-wearing state, returning to execute the operation of playing and detecting sound waves through the loudspeaker;
and if the earphone is determined to be in a non-wearing state within the time greater than or equal to the preset time, controlling the earphone to be powered off.
In some embodiments of the present application, the method further comprises:
and if the wearing position of the earphone is determined to be incorrect, playing adjustment prompt information through the loudspeaker, wherein the adjustment prompt information is used for prompting a user to adjust the wearing position of the earphone.
In some embodiments of the present application, the method further comprises:
and if the wearing position of the earphone is determined to be correct, selecting a filter which is required to be used currently from the plurality of filters according to the collected sound waves and the sound pressure range corresponding to each filter in the plurality of filters configured in the earphone.
An embodiment of a second aspect of the present application provides an apparatus for detecting a wearing state of a headset, the apparatus including; a processor, a speaker and a microphone;
the loudspeaker is used for playing the detection sound wave;
the microphone is used for collecting the detection sound wave to obtain a collected sound wave;
the processor is used for determining whether the earphone is in a wearing state or not according to the collected sound waves and the first preset threshold sound waves; and if the earphone is determined to be in a wearing state, determining whether the wearing direction of the earphone is correct according to the collected sound wave and a second preset threshold sound wave, wherein the sound pressure intensity corresponding to the frequency in the second preset threshold sound wave is greater than the sound pressure intensity corresponding to the same frequency in the first preset threshold sound wave.
An embodiment of a third aspect of the present application provides an earphone box, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor executes the computer program to implement the method of the first aspect.
An embodiment of a fourth aspect of the present application provides a computer-readable storage medium having a computer program stored thereon, the program being executable by a processor to implement the method of the first aspect.
The technical scheme provided in the embodiment of the application at least has the following technical effects or advantages:
in the embodiment of the application, a detection function program of the wearing state of the earphone is added on the basis of an active noise reduction technology, sound waves are detected through loudspeaker playing, the detected sound waves are collected through a microphone, whether the earphone is in the wearing state or not can be effectively identified according to the collected sound waves and the detected sound waves, and whether the wearing direction of the earphone is optimal or not is detected. The earphone can be started to work only after the earphone is determined to be best in wearing position, the noise reduction effect of the earphone and the tone quality of the earphone can be enhanced, and the noise reduction effect and the tone quality of the earphone can be enabled to reach the best state. And under the prerequisite that does not increase the cost, bring better earphone to use for the user and experience, strengthened the practicality of earphone and user's experience and felt, make the earphone more intelligent.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic cross-sectional view illustrating an earphone according to an embodiment of the present application;
fig. 2 is a schematic structural diagram illustrating an in-ear detection system of an earphone according to an embodiment of the present application;
fig. 3 is a schematic flow chart illustrating a method for detecting a wearing state of an earphone according to an embodiment of the present application;
FIG. 4 illustrates a graphical representation of acoustic data for detecting acoustic waves and collecting acoustic waves as provided by an embodiment of the present application;
FIG. 5 is a graph illustrating frequency response curves of a detected sound wave and a collected sound wave provided by an embodiment of the present application;
FIG. 6 is a schematic diagram illustrating an incorrect headset wearing orientation provided by an embodiment of the present application;
FIG. 7 is a schematic diagram illustrating headset wearing orientation correction provided by an embodiment of the present application;
fig. 8 is a schematic flow chart illustrating a method for detecting wearing states of earphones according to an embodiment of the present application;
fig. 9 is a schematic structural diagram of an earphone according to an embodiment of the present application;
fig. 10 is a schematic diagram of a storage medium provided in an embodiment of the present application.
Detailed Description
Exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.
A method and an apparatus for detecting a wearing state of a headset, a headset and a storage medium according to embodiments of the present application are described below with reference to the accompanying drawings.
The embodiment of the application provides a method for detecting the wearing state of an earphone, which is used for noise reduction earphones with wide prospects, and specifically can be noise reduction earphones in the forms of earplug type earphones, in-earphone type earphones, head-wearing earmuffs and the like. Fig. 1 shows a schematic cross-sectional structure of a noise reduction earphone, and as shown in fig. 1, the noise reduction earphone includes a speaker 101, a front cavity 102, a sound outlet pipe head end 103, an earplug silicone sheath 104, and a microphone 105. Wherein the Microphone 105 is often referred to as FB MIC (Feed Back Microphone), an implementation of the headset comprising the Microphone 105 is referred to as ANC solution.
As can be seen from fig. 1, the microphone 105 is arranged on the side of the whole earphone close to the ear canal of the earphone, and in particular, the microphone 105 is arranged near the head end 103 of the sound outlet pipe of the earphone speaker 101, and the microphone 105 is used for picking up the detection sound waves played by the speaker 101. There are also some earphones with active noise reduction that have a microphone 105 that is not positioned as shown in fig. 1. For such earphones, the microphone 105 may be added or adjusted according to the structure shown in fig. 1, so that the earphones with the active noise reduction function can be applied to the method for detecting the wearing state of the earphones provided by the embodiment of the present application.
Fig. 2 is a schematic system structure diagram of an earphone in-ear detection system based on the earphone wearing state detection method provided in the embodiment of the present application. As shown in fig. 2, the earphone-in-ear detection system 202 may include an earphone 205 and a processor 201, and the processor 201 may be integrated in the earphone 205, or may be integrated in a terminal device such as a mobile phone or a computer connected to the earphone 205. The structure of the headset 205 may be the headset structure shown in fig. 1. The earphone 205 may include a speaker 203 and a microphone 204, where the speaker 203 may be used to play a detection sound wave, and the microphone 204 may be used to collect a reflected wave of the detection sound wave played by the speaker 203. The processor 201 may be connected to the speaker 203 and the microphone 204, respectively, and the processor 201 may be configured to determine whether the earphone 205 is currently worn according to the sound waves collected by the microphone 204, and further determine whether the wearing orientation of the earphone 205 is correct when determining that the earphone 205 is worn.
Based on the earphone structure shown in fig. 1 and the earphone in-ear detection system shown in fig. 2, in the embodiment of the present application, a detection function program of the wearing state of the earphone is added on the basis of an ANC (Active Noise Cancellation, Active Noise reduction) technology, detection sound waves are played and collected to obtain collected sound waves, and then the collected sound waves and the detected sound waves are processed by the system to effectively identify whether the earphone is in the wearing state and detect whether the wearing direction of the earphone is optimal. The earphone can be started to work only after the earphone is determined to be best in wearing position, the noise reduction effect of the earphone and the tone quality of the earphone can be enhanced, and the noise reduction effect and the tone quality of the earphone can be enabled to reach the best state. And under the prerequisite that does not increase the cost, bring better earphone to use for the user and experience, strengthened the practicality of earphone and user's experience and felt, make the earphone more intelligent.
Referring to fig. 3, the method specifically includes the following steps;
step 301: the detection sound wave is played through a loudspeaker.
The execution main body of the embodiment of the application is the earphone or the processor corresponding to the earphone. The processor corresponding to the earphone can be arranged in the earphone, or can be arranged in terminal equipment such as a mobile phone or a computer which is in communication connection with the earphone.
In the embodiment of the application, the detection sound wave is preset in the processor of the earphone. When the processor corresponding to the earphone detects the starting signal of the earphone, the processor transmits a control signal to the loudspeaker to control the loudspeaker to play the detection sound wave. As an example, in the sound wave data shown in fig. 4, one line of data corresponding to S201 is sound pressure intensity corresponding to each frequency between 20Hz and 100Hz in the detected sound wave played by the loudspeaker. Fig. 5 shows a frequency response curve corresponding to the detected sound wave S201 played by the horn.
Step 302: and collecting the detected sound waves through a microphone to obtain collected sound waves.
And the processor controls the loudspeaker to play the detection sound wave and simultaneously starts the microphone. And collecting the detection sound waves played by the loudspeaker through a microphone to obtain collected sound waves.
Step 303: and determining whether the earphone is in a wearing state or not according to the collected sound waves and the first preset threshold value sound waves.
The collection sound wave is a reflected wave of the detection sound wave collected by the microphone, when the earphone is in a wearing state, the loudspeaker plays the detection sound wave, the detection sound wave is reflected in the ear canal of a user and collected by the microphone, the sound wave is reflected within a short distance after being transmitted, attenuation of the sound wave is less, and therefore the sound pressure intensity of the collection sound wave collected by the microphone is relatively high. When the earphone is not worn, the detection sound wave needs to be transmitted for a long distance and can be reflected by an obstacle, so that the transmission distance of the detection sound wave is long, the generated attenuation is high, and the sound pressure intensity of the collection sound wave collected by the microphone is relatively low in the non-worn state.
The method and the device for detecting the sound waves of the earphone determine a first preset threshold value sound wave for judging whether the earphone is in a wearing state or not by setting a large number of tests for wearing the earphone to detect the sound waves and not wearing the earphone to detect the sound waves, and the first preset threshold value sound wave is preset in the processor. As an example, the first preset threshold sound wave may be a sound pressure intensity corresponding to each frequency between 20Hz and 100Hz shown in the sound wave data S206 in fig. 4. In the frequency response graph shown in fig. 5, a frequency response curve corresponding to the first preset threshold sound wave S206 is also shown.
After the microphone acquires the acquired sound wave corresponding to the detected sound wave in step 302, the acquired sound wave is transmitted to the processor. The processor analyzes and processes the collected sound waves, compares the collected sound waves with a first preset threshold value sound wave, and determines whether the earphone is in a wearing state currently. Specifically, the processor respectively obtains first sound pressure intensity corresponding to each frequency from the collected sound waves, respectively obtains second sound pressure intensity corresponding to each frequency from the first preset threshold sound waves, judges whether the first sound pressure intensity corresponding to the same frequency is greater than or equal to the second sound pressure intensity corresponding to the same frequency, and counts a first proportion of the frequency with the first sound pressure intensity greater than or equal to the second sound pressure intensity in a frequency band corresponding to the collected sound waves. And if the first ratio is greater than or equal to a first preset threshold value, determining that the earphone is in a wearing state. The first preset threshold may be 50% or 60%, and the like, and the specific value of the first preset threshold is not limited in the embodiment of the present application, and may be set according to a requirement in practical application.
For example, the frequency bands covered by the collected sound wave and the first preset threshold value sound wave are the same and are both 20Hz-100Hz, and the first preset threshold value is 50%. Comparing the sound pressure intensity of the collected sound wave with the sound pressure intensity of the same frequency in the first preset threshold value sound wave, counting the number of frequencies, with the sound pressure intensity of the collected sound wave being greater than or equal to the sound pressure intensity of the first preset threshold value sound wave, under the same frequency, dividing the counted number of frequencies by the total number of frequencies included in the frequency band between 20Hz and 100Hz, and obtaining the frequency proportion, namely the first proportion, when the sound pressure intensity of the collected sound wave reaches the sound pressure intensity of the first preset threshold value sound wave. And if the frequency proportion is 55% which is larger than the first preset threshold value 50%, determining that the earphone is in a wearing state.
In other embodiments of the present application, the processor may further calculate a similarity between the collected sound wave and the first preset threshold sound wave, and determine that the earphone is in a wearing state if the similarity is greater than or equal to the first preset similarity. And if the similarity is smaller than the first preset similarity, determining that the earphone is in a non-wearing state. The first preset degree of similarity may be 70% or 80%, etc.
Specifically, when the similarity between the collected sound wave and the first preset threshold sound wave is calculated, the similarity corresponding to each frequency may be calculated respectively. The calculation method of the similarity corresponding to any frequency can be [1- (| P)0-P1|)/P0]. Wherein, P0Is the sound pressure intensity, P, corresponding to the frequency in the first preset threshold value sound wave1The sound pressure intensity corresponding to the frequency in the sound wave is collected. After the similarity corresponding to each frequency in the frequency band covered by the collected sound wave and the first preset threshold value sound wave is calculated through the method, the average value of the similarities corresponding to all the frequencies is calculated, namely, the sum of the similarities corresponding to all the frequencies is calculated, then the ratio of the sum to the total number of the frequencies is calculated, and the ratio is determined as the similarity of the collected sound wave and the first preset threshold value sound wave.
In the embodiment of the application, wearing prompt information used for prompting a user to wear the earphone is also pre-stored in the processor, and if the earphone is determined to be in a non-wearing state in the step, the processor controls the loudspeaker to play the wearing prompt information, so that the user wears the earphone on the ear after hearing the wearing prompt information.
After determining that the earphone is in the non-wearing state, the embodiment of the application also returns to step 101 to control the loudspeaker to play the detection sound wave again, and obtains the collected sound wave again through the microphone to judge whether the earphone is in the wearing state again. And circularly detecting in such a way, starting timing from the start of the earphone, comparing the timing duration with the preset duration, and if the timing duration is less than the preset duration, continuously circularly detecting whether the earphone is in a wearing state or not according to the above mode. If the timed time length is greater than or equal to the preset time length, the earphone is determined to be in a non-wearing state within the time period greater than or equal to the preset time length, and the earphone is controlled to be powered off. The earphone is prevented from continuously detecting the wearing state for a long time by setting time limit, and resource waste is reduced. Wherein, the preset time can be 2 minutes, 5 minutes or 10 minutes, etc. The specific value of the preset duration is not limited, and the specific value can be set according to requirements in practical application.
Step 304: and if the earphone is determined to be in a wearing state, determining whether the wearing direction of the earphone is correct or not according to the collected sound waves and the second preset threshold sound waves.
If the step 303 determines that the headset is currently in the wearing state, it is determined that the headset does not immediately enter into operation after being in the wearing state, but it is further determined whether the wearing position of the headset is correct. Because if the earphone wearing direction is incorrect, namely, when the earphone wears ears, a large gap exists between the earphone and the ears, the earphone sound leaks. The illustration of fig. 6 shows an incorrect orientation of the headset, and fig. 6 only depicts an earplug type headset, but the type of headset in the ear, ear cap, etc. is also included in the scope of the present application. In the wearing manner shown in fig. 6, the sound of the earphone leaks, the sound waves played by the speaker leak, the low-frequency sound pressure of the collected sound waves collected by the microphone becomes lower, the sound wave data corresponding to the collected sound waves is shown in S205-S207 in fig. 4, and the frequency response curve corresponding to the collected sound waves is shown in S205-S207 in fig. 5.
When the wearing direction of the earphone is correct, the ear is in a sealing state when the earphone is worn, as shown in the wearing mode shown in fig. 7, only the earplug earphone is depicted in fig. 7, and the earphone has small sound leakage and even has no leakage. In this case, the collected sound wave collected by the microphone is equal to or close to the detection sound wave emitted by the horn, the sound wave data corresponding to the collected sound wave is shown as S202 and S203 in fig. 4, and the frequency response curve corresponding to the collected sound wave is shown as the curve corresponding to S202 and S203 in fig. 5.
According to the embodiment of the application, a second preset threshold sound wave for judging whether the wearing direction of the earphone is correct or not is determined by setting a large number of experiments for detecting the sound wave by the earphone in different wearing directions, and the second preset threshold sound wave is preset in the processor. As an example, the second preset threshold sound wave may be a sound pressure intensity corresponding to each frequency between 20Hz and 100Hz shown in S204 in the sound wave data shown in fig. 4. In the frequency response graph shown in fig. 5, a frequency response curve corresponding to the second preset threshold sound wave S204 is also shown. In the embodiment of the application, the correct wearing direction of the earphone means that the wearing direction of the earphone is optimal, so that the sealing performance between the earphone and the ear is optimal, and the earphone achieves the optimal sound quality effect.
The embodiment of the application specifically determines whether the wearing position of the earphone is correct by the following method, including:
respectively acquiring first sound pressure intensity corresponding to each frequency from the collected sound waves; respectively acquiring third sound pressure intensity corresponding to each frequency from the second preset threshold value sound wave; judging whether the first sound pressure intensity corresponding to the same frequency is greater than or equal to the third sound pressure intensity corresponding to the same frequency; counting a second proportion of the frequency with the first sound pressure intensity being greater than or equal to the third sound pressure intensity in the frequency band corresponding to the collected sound wave; and if the second proportion is larger than or equal to a second preset threshold value, determining that the wearing direction of the earphone is correct. The second preset threshold may be 50% or 60%, and the like, and the specific value of the second preset threshold is not limited in the embodiment of the present application, and may be set according to a requirement in practical application.
For example, the frequency bands covered by the collected sound waves and the second preset threshold sound waves are the same and are both 20Hz to 100Hz, and the second preset threshold is 50%. Comparing the sound pressure intensity of the collected sound wave with the sound pressure intensity of the same frequency in the second preset threshold value sound wave, counting the number of frequencies, with the sound pressure intensity of the collected sound wave being greater than or equal to the sound pressure intensity of the second preset threshold value sound wave, under the same frequency, and dividing the counted number of frequencies by the total number of frequencies included in the frequency band between 20Hz and 100Hz to obtain the frequency proportion, namely the second proportion, when the sound pressure intensity of the collected sound wave reaches the sound pressure intensity of the second preset threshold value sound wave. And if the frequency proportion is 55% and is greater than the second preset threshold value 50%, determining that the wearing direction of the earphone is correct.
In other embodiments of the present application, the processor may further calculate a similarity between the collected sound wave and a second preset threshold sound wave, and determine that the wearing direction of the earphone is correct if the similarity is greater than or equal to the second preset similarity. And if the similarity is smaller than the second preset similarity, determining that the wearing direction of the earphone is incorrect. The second preset degree of similarity may be 70% or 80%, etc.
Specifically, when the similarity between the collected sound wave and the second preset threshold sound wave is calculated, the similarity corresponding to each frequency may be calculated respectively. The calculation method of the similarity corresponding to any frequency can be [1- (| P)2-P1|)/P2]. Wherein, P2The sound pressure intensity, P, corresponding to the frequency in the second preset threshold value sound wave1The sound pressure intensity corresponding to the frequency in the sound wave is collected. After the similarity corresponding to each frequency in the frequency band covered by the collected sound wave and the second preset threshold value sound wave is calculated through the method, the average value of the similarities corresponding to all the frequencies is calculated, namely, the sum of the similarities corresponding to all the frequencies is calculated, then the ratio of the sum to the total number of the frequencies is calculated, and the ratio is determined as the similarity of the collected sound wave and the second preset threshold value sound wave.
In the embodiment of the application, the processor also stores in advance an adjustment prompt message for prompting the user to adjust the wearing position of the earphone, and if the wearing position of the earphone is determined to be incorrect by the method in this step, the adjustment prompt message is played through the loudspeaker, so that the user can adjust the wearing position of the earphone after hearing the adjustment prompt message, and the wearing position of the earphone can reach the optimal state.
After the wearing position of the earphone is determined to be correct in the above manner, the embodiment of the application further selects a filter which needs to be used currently from the multiple filters according to the collected sound waves collected by the microphone after the earphone is worn correctly and the sound pressure range corresponding to each filter in the multiple filters configured in the earphone.
In particular, a plurality of filters are provided in the earphone, each filter corresponding to a different sound pressure range, the sound pressure ranges also corresponding to frequencies, the different frequencies of the same filter corresponding to different sound pressure ranges. When the wearing direction of the earphone is correct, sound pressure intensity corresponding to each frequency is obtained from collected sound waves, the sound pressure intensity corresponding to each frequency is compared with a sound pressure range corresponding to each frequency of each filter, if the sound pressure intensity corresponding to each frequency of the collected sound waves falls into the sound pressure range corresponding to each frequency of a certain filter, the filter is determined to be a filter which needs to be used currently by the earphone, the filter is started, and the earphone starts to work.
In the normal working process of the earphone, a user may take off the earphone on one side, the earphone on the other side works normally, the user can be detected to take off the earphone on one side through the microphone, and the taken-off earphone is controlled to enter a dormant state to wait for awakening.
The embodiment of the application is suitable for situations such as active noise reduction of the earphone, audio listening mode of the earphone, answering of a call by the earphone and the like. The method for detecting the wearing state of the earphone comprises the steps that a loudspeaker plays detection sound waves in the process of detecting the wearing state of the earphone under the condition that the earphone answers a call, and therefore the conversation of a user can be influenced, and the method for detecting the wearing state of the earphone can not be used under the condition that the earphone answers the call.
In order to facilitate understanding of the methods provided by the embodiments of the present application, reference is made to the following description taken in conjunction with the accompanying drawings. As shown in fig. 8, S1: the detection sound wave is played through a loudspeaker. S2: and collecting the detected sound waves through a microphone to obtain collected sound waves. S3: and determining whether the earphone is in a wearing state according to the collected sound waves and the first preset threshold sound waves, if so, executing step S4, and if not, executing step S8. S4: determining that the headset is in a worn state. S5: and determining whether the wearing direction of the earphone is correct or not according to the collected sound waves and the second preset threshold sound waves, if so, executing step S6, and if not, executing step S11. S6: and determining that the wearing direction of the earphone is correct, and starting the earphone to work. S7: when it is detected that the user has removed one of the earphones, the removed earphone is controlled to enter a sleep state, and waits for waking up, and then the process returns to step S3. S8: and determining the non-wearing state of the earphone, judging whether the current detection duration is greater than or equal to a preset duration, if so, executing the step S9, and if not, executing the step S10. S9: and controlling the earphone to be powered off. S10: and controlling the loudspeaker to play wearing prompt information for prompting the user to wear the headset, and then returning to execute the step S3. S11: playing an adjustment prompt message for prompting the user to adjust the headphones through the speaker, and then returning to execute step S5.
In the embodiment of the application, a detection function program of the wearing state of the earphone is added on the basis of an active noise reduction technology, sound waves are detected through loudspeaker playing, the detected sound waves are collected through a microphone, whether the earphone is in the wearing state or not can be effectively identified according to the collected sound waves and the detected sound waves, and whether the wearing direction of the earphone is optimal or not is detected. The earphone can be started to work only after the earphone is determined to be best in wearing position, the noise reduction effect of the earphone and the tone quality of the earphone can be enhanced, and the noise reduction effect and the tone quality of the earphone can be enabled to reach the best state. And under the prerequisite that does not increase the cost, bring better earphone to use for the user and experience, strengthened the practicality of earphone and user's experience and felt, make the earphone more intelligent.
An embodiment of the present application provides an apparatus for detecting a wearing state of an earphone, where the apparatus is configured to perform the method for detecting a wearing state of an earphone according to the foregoing embodiment, and as shown in fig. 2, the apparatus includes; a processor 201, a speaker 203, and a microphone 204;
a loudspeaker 203 for playing the detection sound wave;
the microphone 204 is used for collecting the detection sound waves to obtain collected sound waves;
the processor 201 is configured to determine whether the earphone is in a wearing state according to the collected sound waves and the first preset threshold sound waves; and if the earphone is determined to be in a wearing state, determining whether the wearing direction of the earphone is correct or not according to the collected sound waves and the second preset threshold sound waves.
The processor 201 is specifically configured to obtain first sound pressure intensities corresponding to the respective frequencies from the collected sound waves; respectively acquiring second acoustic pressure intensity corresponding to each frequency from the first preset threshold value acoustic wave; judging whether the first sound pressure intensity corresponding to the same frequency is greater than or equal to the second sound pressure intensity corresponding to the same frequency; counting a first proportion of the frequency with the first sound pressure intensity being greater than or equal to the second sound pressure intensity in a frequency band corresponding to the collected sound waves; and if the first ratio is greater than or equal to a first preset threshold value, determining that the earphone is in a wearing state.
The processor 201 is specifically configured to obtain first sound pressure intensities corresponding to the respective frequencies from the collected sound waves; respectively acquiring third sound pressure intensity corresponding to each frequency from the second preset threshold value sound wave; judging whether the first sound pressure intensity corresponding to the same frequency is greater than or equal to the third sound pressure intensity corresponding to the same frequency; counting a second proportion of the frequency with the first sound pressure intensity being greater than or equal to the third sound pressure intensity in the frequency band corresponding to the collected sound wave; and if the second proportion is larger than or equal to a second preset threshold value, determining that the wearing direction of the earphone is correct.
The processor 201 is further configured to play a wearing prompt message through the speaker 203 if it is determined that the earphone is in a non-wearing state, where the wearing prompt message is used to prompt a user to wear the earphone.
The processor 201 is further configured to play the detection sound wave again through the speaker 203 if it is determined that the earphone is in the non-wearing state; and if the earphone is determined to be in the non-wearing state within the time greater than or equal to the preset time, controlling the earphone to be powered off.
The processor 201 is further configured to play an adjustment prompt message through the speaker 203 if it is determined that the wearing position of the earphone is incorrect, where the adjustment prompt message is used to prompt a user to adjust the wearing position of the earphone.
The processor 201 is further configured to select a filter that needs to be used currently from the plurality of filters according to the collected sound waves and the sound pressure range corresponding to each of the plurality of filters configured in the headset if it is determined that the wearing orientation of the headset is correct.
The earphone wearing state detection device provided by the above embodiment of the present application and the earphone wearing state detection method provided by the embodiment of the present application have the same inventive concept and have the same beneficial effects as the method adopted, operated or realized by the application program stored in the earphone wearing state detection device.
The embodiment of the application also provides an earphone so as to execute the method for detecting the wearing state of the earphone. The embodiments of the present application are not limited.
Please refer to fig. 9, which illustrates a schematic diagram of an earphone provided in some embodiments of the present application. As shown in fig. 9, the earphone 9 includes: the system comprises a processor 900, a memory 901, a bus 902 and a communication interface 903, wherein the processor 900, the communication interface 903 and the memory 901 are connected through the bus 902; the memory 901 stores a computer program that can be executed on the processor 900, and the processor 900 executes the method for detecting the wearing state of the headset provided by any one of the foregoing embodiments when executing the computer program.
The Memory 901 may include a high-speed Random Access Memory (RAM) and may further include a non-volatile Memory (non-volatile Memory), such as at least one disk Memory. The communication connection between the network element of the system and at least one other network element is realized through at least one communication interface 903 (which may be wired or wireless), and the internet, a wide area network, a local network, a metropolitan area network, and the like can be used.
The processor 900 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 900. The Processor 900 may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; but may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components. The various methods, steps, and logic blocks disclosed in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in the memory 901, and the processor 900 reads the information in the memory 901, and completes the steps of the above method in combination with the hardware thereof.
The earphone provided by the embodiment of the application and the earphone wearing state detection method provided by the embodiment of the application have the same inventive concept and have the same beneficial effects as the method adopted, operated or realized by the earphone wearing state detection method.
Referring to fig. 10, the computer readable storage medium is an optical disc 30, and a computer program (i.e., a program product) is stored thereon, and when being executed by a processor, the computer program may execute the method for detecting the wearing state of a headset according to any of the foregoing embodiments.
It should be noted that examples of the computer-readable storage medium may also include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory, or other optical and magnetic storage media, which are not described in detail herein.
The computer-readable storage medium provided by the above-mentioned embodiments of the present application and the method for detecting wearing state of a headset provided by the embodiments of the present application have the same advantages as the method adopted, run or implemented by the application program stored in the computer-readable storage medium.
It should be noted that:
the algorithms and displays presented herein are not inherently related to any particular computer, virtual machine, or other apparatus. Various general purpose devices may be used with the teachings herein. The required structure for constructing such a device will be apparent from the description above. In addition, this application is not directed to any particular programming language. It will be appreciated that a variety of programming languages may be used to implement the teachings of the present application as described herein, and any descriptions of specific languages are provided above to disclose the best modes of the present application.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the application may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the application, various features of the application are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the application and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: this application is intended to cover such departures from the present disclosure as come within known or customary practice in the art to which this invention pertains. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this application.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.
The various component embodiments of the present application may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art will appreciate that a microprocessor or Digital Signal Processor (DSP) may be used in practice to implement some or all of the functions of some or all of the components in the creation apparatus of a virtual machine according to embodiments of the present application. The present application may also be embodied as apparatus or device programs (e.g., computer programs and computer program products) for performing a portion or all of the methods described herein. Such programs implementing the present application may be stored on a computer readable medium or may be in the form of one or more signals. Such a signal may be downloaded from an internet website or provided on a carrier signal or in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the application, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The application may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A method for detecting wearing state of an earphone is characterized by comprising the following steps;
playing and detecting sound waves through a loudspeaker;
collecting the detection sound wave through a microphone to obtain a collected sound wave;
determining whether the earphone is in a wearing state or not according to the collected sound waves and first preset threshold sound waves;
and if the earphone is in a wearing state, determining whether the wearing direction of the earphone is correct or not according to the collected sound waves and a second preset threshold sound wave.
2. The method of claim 1, wherein the determining whether the headset is in a wearing state according to the collected sound waves and a first preset threshold sound wave comprises:
respectively acquiring first sound pressure intensity corresponding to each frequency from the acquired sound waves;
respectively acquiring second acoustic pressure intensity corresponding to each frequency from a first preset threshold value acoustic wave;
judging whether the first sound pressure intensity corresponding to the same frequency is greater than or equal to the second sound pressure intensity corresponding to the same frequency;
counting a first proportion of frequencies with the first sound pressure intensity being greater than or equal to the second sound pressure intensity in a frequency band corresponding to the collected sound waves;
and if the first ratio is greater than or equal to a first preset threshold value, determining that the earphone is in a wearing state.
3. The method of claim 1, wherein determining whether the wearing orientation of the headset is correct according to the collected sound waves and a second preset threshold sound wave comprises:
respectively acquiring first sound pressure intensity corresponding to each frequency from the acquired sound waves;
respectively acquiring third sound pressure intensity corresponding to each frequency from a second preset threshold value sound wave;
judging whether the first sound pressure intensity corresponding to the same frequency is greater than or equal to the third sound pressure intensity corresponding to the same frequency;
counting a second proportion of the frequency with the first sound pressure intensity being greater than or equal to the third sound pressure intensity in the frequency band corresponding to the collected sound wave;
and if the second proportion is larger than or equal to a second preset threshold value, determining that the wearing direction of the earphone is correct.
4. The method according to claim 1 or 2, characterized in that the method further comprises:
and if the earphone is determined to be in a non-wearing state, playing wearing prompt information through the loudspeaker, wherein the wearing prompt information is used for prompting a user to wear the earphone.
5. The method according to claim 1 or 2, characterized in that the method further comprises:
if the earphone is determined to be in a non-wearing state, returning to execute the operation of playing and detecting sound waves through the loudspeaker;
and if the earphone is determined to be in a non-wearing state within the time greater than or equal to the preset time, controlling the earphone to be powered off.
6. The method according to claim 1 or 3, characterized in that the method further comprises:
and if the wearing position of the earphone is determined to be incorrect, playing adjustment prompt information through the loudspeaker, wherein the adjustment prompt information is used for prompting a user to adjust the wearing position of the earphone.
7. The method according to any one of claims 1-3, further comprising:
and if the wearing position of the earphone is determined to be correct, selecting a filter which is required to be used currently from the plurality of filters according to the collected sound waves and the sound pressure range corresponding to each filter in the plurality of filters configured in the earphone.
8. An earphone wearing state detection apparatus, characterized by comprising; a processor, a speaker and a microphone;
the loudspeaker is used for playing the detection sound wave;
the microphone is used for collecting the detection sound wave to obtain a collected sound wave;
the processor is used for determining whether the earphone is in a wearing state or not according to the collected sound waves and the first preset threshold sound waves; and if the earphone is determined to be in a wearing state, determining whether the wearing direction of the earphone is correct according to the collected sound wave and a second preset threshold sound wave, wherein the sound pressure intensity corresponding to the frequency in the second preset threshold sound wave is greater than the sound pressure intensity corresponding to the same frequency in the first preset threshold sound wave.
9. A headset comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor executes the computer program to implement the method according to any of claims 1-7.
10. A computer-readable storage medium, on which a computer program is stored, characterized in that the program is executed by a processor to implement the method according to any of claims 1-7.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010790484.XA CN111988692B (en) | 2020-08-07 | 2020-08-07 | Earphone wearing state detection method and device, earphone and storage medium |
| PCT/CN2020/136783 WO2022027899A1 (en) | 2020-08-07 | 2020-12-16 | Headphone wearing state detection method, device, headphone, and storage medium |
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| CN202010790484.XA CN111988692B (en) | 2020-08-07 | 2020-08-07 | Earphone wearing state detection method and device, earphone and storage medium |
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| CN111988692B CN111988692B (en) | 2022-11-15 |
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| WO (1) | WO2022027899A1 (en) |
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| CN111988692B (en) | 2022-11-15 |
| WO2022027899A1 (en) | 2022-02-10 |
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