CN110784804A - Wireless earphone noise reduction calibration method and device, earphone box and storage medium - Google Patents
Wireless earphone noise reduction calibration method and device, earphone box and storage medium Download PDFInfo
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- H04R3/00—Circuits for transducers, loudspeakers or microphones
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Abstract
The application discloses a method and a device for calibrating noise reduction of a wireless earphone, an earphone box and a computer readable storage medium, wherein the method comprises the following steps: detecting the wireless earphone in a box, and acquiring a first sensitivity from a loudspeaker in a left earphone to a first noise reduction microphone and a second sensitivity from the loudspeaker in a right earphone to a second noise reduction microphone when the wireless earphone is in the box state; calculating a first gain of a first noise reduction circuit in the left earphone and a second gain of a second noise reduction circuit in the right earphone by using a difference value of the first sensitivity and the second sensitivity; the first gain is written to the first noise reduction circuit and the second gain is written to the second noise reduction circuit to complete the noise reduction calibration. According to the wireless headset noise reduction calibration method, the gain values of the noise reduction circuits of the left headset and the right headset are recalculated by using the sensitivity difference value from the speakers of the left headset and the right headset to the noise reduction microphones, and the noise reduction amount of the left headset and the noise reduction amount of the right headset are calibrated by adjusting the difference of the gain values and balancing the sensitivity.
Description
Technical Field
The present application relates to the field of wireless headset technologies, and in particular, to a method and an apparatus for calibrating noise reduction of a wireless headset, a headset case, and a computer-readable storage medium.
Background
With the popularization of wireless earphone technology, the proportion of the wireless earphone technology in the E-commerce market to the whole earphone market is greatly increased. Meanwhile, the noise reduction function becomes the standard configuration and selling point of more and more wireless earphones. For the wireless earphone with the noise reduction function, the noise reduction amount of ears cannot be obviously different, otherwise, the experience of a user is influenced. However, since the sensitivities of different single earphones are different, the noise reduction amount of different single earphones is different on the premise that the shape consistency of the noise reduction circuit is stable.
Therefore, how to calibrate the noise reduction of the wireless headset is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The application aims to provide a wireless headset noise reduction calibration method and device, a headset box and a computer readable storage medium, and noise reduction calibration of the wireless headset is achieved.
In order to achieve the above object, the present application provides a noise reduction calibration method for a wireless headset, which is applied to a headset box of the wireless headset, and includes:
performing in-box detection on the wireless earphone, and acquiring a first sensitivity from a loudspeaker in a left earphone to a first noise reduction microphone and a second sensitivity from the loudspeaker in a right earphone to a second noise reduction microphone when the wireless earphone is in an in-box state;
calculating a first gain of a first noise reduction circuit in the left earphone and a second gain of a second noise reduction circuit in the right earphone by using a difference value of the first sensitivity and the second sensitivity;
and writing the first gain into the first noise reduction circuit and writing the second gain into the second noise reduction circuit so as to finish noise reduction calibration.
Wherein the acquiring a first sensitivity from the speaker in the left earphone to the first noise reduction microphone and a second sensitivity from the speaker in the right earphone to the second noise reduction microphone comprises:
sending a calibration instruction to the left earphone so that a loudspeaker of the left earphone can send a first detection signal with a preset frequency, and acquiring the first sensitivity by using a first noise reduction microphone in the left earphone;
sending a calibration instruction to the right earphone so that a loudspeaker of the right earphone can send a second detection signal with a preset frequency, and acquiring a second sensitivity by using a second noise reduction microphone in the right earphone;
receiving the first sensitivity transmitted by the first noise reduction microphone and the second sensitivity transmitted by the second noise reduction microphone.
Wherein before sending the calibration instruction to the left earphone, the method further comprises:
generating the calibration command when a key on the earphone box is triggered; wherein the keys comprise physical keys or touch keys.
Wherein performing in-box detection on the wireless headset comprises:
and detecting the wireless earphone in a box through a Hall sensor.
Wherein said calculating a first gain of the noise reduction circuit in the left earphone and a second gain of the noise reduction circuit in the right earphone using a difference of the first sensitivity and the second sensitivity comprises:
acquiring a first initial gain of the first noise reduction circuit and a second initial gain of the second noise reduction circuit;
calculating a difference between the first sensitivity and the second sensitivity, and calculating the first gain and the second gain according to the difference, the first initial gain and the second initial gain.
Wherein said calculating said first gain and said second gain from said difference, said first initial gain and said second initial gain comprises:
taking a difference between the first initial gain and half of the difference value as the first gain, and taking a sum of the second initial gain and half of the difference value as the second gain.
In order to achieve the above object, the present application provides a wireless headset noise reduction calibration device, which is applied to a headset box of a wireless headset, and comprises:
the acquisition module is used for carrying out in-box detection on the wireless earphone, and acquiring first sensitivity from a loudspeaker in a left earphone to a first noise reduction microphone and second sensitivity from a loudspeaker in a right earphone to a second noise reduction microphone when the wireless earphone is in a in-box state;
a calculation module for calculating a first gain of a first noise reduction circuit in the left earphone and a second gain of a second noise reduction circuit in the right earphone using a difference between the first sensitivity and the second sensitivity;
and the writing module is used for writing the first gain into the first noise reduction circuit and writing the second gain into the second noise reduction circuit so as to finish noise reduction calibration.
Wherein the calculation module comprises:
the acquisition unit is used for acquiring a first initial gain of the noise reduction circuit in the left earphone and a second initial gain of the noise reduction circuit in the right earphone;
a calculating unit, configured to calculate a difference between the first sensitivity and the second sensitivity, and calculate the first gain and the second gain according to the difference, the first initial gain, and the second initial gain.
In order to achieve the above object, the present application provides an earphone box, including:
a memory for storing a computer program;
and a processor for implementing the steps of the wireless headset noise reduction calibration method when executing the computer program.
To achieve the above object, the present application provides a computer-readable storage medium having a computer program stored thereon, where the computer program is executed by a processor to implement the steps of the above wireless headset noise reduction calibration method.
According to the scheme, the noise reduction calibration method for the wireless headset comprises the following steps: performing in-box detection on the wireless earphone, and acquiring a first sensitivity from a loudspeaker in a left earphone to a first noise reduction microphone and a second sensitivity from the loudspeaker in a right earphone to a second noise reduction microphone when the wireless earphone is in an in-box state; calculating a first gain of a first noise reduction circuit in the left earphone and a second gain of a second noise reduction circuit in the right earphone by using a difference value of the first sensitivity and the second sensitivity; and writing the first gain into the first noise reduction circuit and writing the second gain into the second noise reduction circuit so as to finish noise reduction calibration.
The noise reduction amount of the earphone is affected by the sensitivity from the earphone loudspeaker to the noise reduction microphone and the gain value of the noise reduction circuit, and the noise reduction amount of different earphones is different when the gain values are consistent due to the fact that the sensitivity of the loudspeaker and the noise reduction microphone of different earphones is different. According to the wireless headset noise reduction calibration method, the gain values of the left and right headset noise reduction circuits are recalculated by using the sensitivity difference from the left and right headset loudspeakers to the noise reduction microphones, the calibration of the noise reduction amount of the left and right headsets is realized by adjusting the difference of the gain values to balance the sensitivity, the consistency of the noise reduction amount of the two ears is ensured, and the user experience is improved. The application also discloses a wireless earphone noise reduction calibration device, an earphone box and a computer readable storage medium, and the technical effects can be realized.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a flow chart illustrating a method for noise reduction calibration of a wireless headset according to an exemplary embodiment;
FIG. 2 is a flow diagram illustrating another wireless headset noise reduction calibration method in accordance with an exemplary embodiment;
FIG. 3 is a block diagram illustrating a wireless headset noise reduction calibration apparatus according to an exemplary embodiment;
fig. 4 is a structural diagram of an earphone box according to an exemplary embodiment.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application discloses a noise reduction calibration method for a wireless earphone, which realizes noise reduction calibration of the wireless earphone.
Referring to fig. 1, a flowchart of a method for calibrating noise reduction of a wireless headset according to an exemplary embodiment is shown, as shown in fig. 1, including:
s101: performing in-box detection on the wireless earphone, and acquiring a first sensitivity from a loudspeaker in a left earphone to a first noise reduction microphone and a second sensitivity from the loudspeaker in a right earphone to a second noise reduction microphone when the wireless earphone is in an in-box state;
the execution main body of this embodiment may be an earphone box, and in this step, it is identified whether the wireless earphone is in a box state. Specifically, the detection can be performed by a hall sensor in the wireless headset, that is, this step may include performing in-box detection on the wireless headset by the hall sensor. Of course, the identification may also be performed by a pin in the wireless headset, and is not particularly limited herein.
When the wireless headset is in a box state, the sensitivities from the left headset speaker to the noise reduction microphone and the sensitivities from the right headset speaker to the noise reduction microphone are respectively obtained, specifically, the step of obtaining the first sensitivity from the left headset speaker to the first noise reduction microphone and the second sensitivity from the right headset speaker to the second noise reduction microphone includes: sending a calibration instruction to the left earphone so that a loudspeaker of the left earphone can send a first detection signal with a preset frequency, and acquiring the first sensitivity by using a first noise reduction microphone in the left earphone; sending a calibration instruction to the right earphone so that a loudspeaker of the right earphone can send a second detection signal with a preset frequency, and acquiring a second sensitivity by using a second noise reduction microphone in the right earphone; receiving the first sensitivity transmitted by the first noise reduction microphone and the second sensitivity transmitted by the second noise reduction microphone. In specific implementation, the left and right earphones respectively send out 1kHz single-frequency signals through respective loudspeakers, and the signals are respectively picked up by noise reduction microphones in noise reduction circuits in the left and right earphones, so that the sensitivities of the left and right earphones are obtained and fed back to the earphone boxes.
For the triggering condition of the noise reduction calibration, this embodiment is not specifically limited, for example, a key may be set on the headphone case, and when the user triggers the key, this step is triggered, that is, before sending the calibration instruction to the left headphone, the method further includes: generating the calibration command when a key on the earphone box is triggered; wherein the keys comprise physical keys or touch keys. Of course, the user may also trigger through the terminal, and the terminal sends the calibration instruction to the earphone box.
S102: calculating a first gain of a first noise reduction circuit in the left earphone and a second gain of a second noise reduction circuit in the right earphone by using a difference value of the first sensitivity and the second sensitivity;
in this step, a difference between the sensitivities of the left and right earphones, that is, a difference between the first sensitivity and the second sensitivity, is calculated, and the gain value of the noise reduction circuit in the left and right earphones is recalculated based on the difference, specifically, this step includes: acquiring a first initial gain of the first noise reduction circuit and a second initial gain of the second noise reduction circuit; calculating a difference between the first sensitivity and the second sensitivity, and calculating the first gain and the second gain according to the difference, the first initial gain and the second initial gain. The step of calculating the first gain and the second gain from the difference, the first initial gain and the second initial gain comprises: taking a difference between the first initial gain and half of the difference value as the first gain, and taking a sum of the second initial gain and half of the difference value as the second gain.
That is, if the difference between the first sensitivity (sen L) of the left earphone and the second sensitivity (sen R) of the right earphone is δ, the initial gains of the earphone box reading the left and right ear noise reduction circuits are gain L and gain R, respectively. The new noise reduction circuit gain of the left ear of the earphone box is gain L- (delta/2), and the new noise reduction circuit gain of the right ear is gain R + (delta/2).
S103: and writing the first gain into the first noise reduction circuit and writing the second gain into the second noise reduction circuit so as to finish noise reduction calibration.
In this step, the headphone box writes the first gain and the second gain calculated in the previous step into the noise reduction circuits of the left headphone and the right headphone, respectively, to complete the noise reduction calibration.
The noise reduction amount of the earphone is affected by the sensitivity from the earphone loudspeaker to the noise reduction microphone and the gain value of the noise reduction circuit, and the noise reduction amount of different earphones is different when the gain values are consistent due to the fact that the sensitivity of the loudspeaker and the noise reduction microphone of different earphones is different. According to the wireless headset noise reduction calibration method provided by the embodiment of the application, the gain values of the noise reduction circuits of the left headset and the right headset are recalculated by utilizing the sensitivity difference from the left headset loudspeaker to the noise reduction microphone, the calibration of the noise reduction amount of the left headset and the right headset is realized by adjusting the difference of the gain value balance sensitivity, the consistency of the noise reduction amount of the ears is ensured, and the user experience is improved.
The embodiment of the application discloses a noise reduction calibration method for a wireless headset, and compared with the previous embodiment, the embodiment further describes and optimizes the technical scheme. Specifically, the method comprises the following steps:
referring to fig. 2, a flowchart of another wireless headset noise reduction calibration method according to an exemplary embodiment is shown, as shown in fig. 2, including:
s201: carrying out in-box detection on the wireless earphone through a Hall sensor;
s202: when the wireless earphone is in a box state and a key on the earphone box is triggered, a calibration instruction is sent to the left earphone, so that a loudspeaker of the left earphone sends a first detection signal with a preset frequency, and a first noise reduction microphone in the left earphone is used for acquiring the first sensitivity;
s203: sending a calibration instruction to the right earphone so that a loudspeaker of the right earphone can send a second detection signal with a preset frequency, and acquiring a second sensitivity by using a second noise reduction microphone in the right earphone;
s204: receiving the first sensitivity transmitted by the first noise reduction microphone and the second sensitivity transmitted by the second noise reduction microphone.
S205: acquiring a first initial gain of the first noise reduction circuit and a second initial gain of the second noise reduction circuit;
s206: calculating a difference between the first sensitivity and the second sensitivity;
s207: taking a difference of the first initial gain and half of the difference value as the first gain, and taking a sum of the second initial gain and half of the difference value as the second gain;
s208: and writing the first gain into the first noise reduction circuit and writing the second gain into the second noise reduction circuit so as to finish noise reduction calibration.
Therefore, the noise reduction amount of the left and right earphones is consistent, the optimal noise reduction effect is provided for a user, the gain values of the noise reduction circuits of the left and right earphones are recalculated according to the sensitivity difference value from the left and right earphones to the noise reduction microphone by triggering the keys on the earphone box, the calibration of the noise reduction amount of the left and right earphones is realized by adjusting the difference of the gain value balance sensitivity, the consistency of the noise reduction amount of the two ears is ensured, and the user experience is improved.
In the following, a wireless headset noise reduction calibration apparatus provided in an embodiment of the present application is introduced, and a wireless headset noise reduction calibration apparatus described below and a wireless headset noise reduction calibration method described above may refer to each other.
Referring to fig. 3, a block diagram of a wireless headset noise reduction calibration apparatus according to an exemplary embodiment is shown, as shown in fig. 3, including:
an obtaining module 301, configured to perform in-box detection on the wireless headset, and when the wireless headset is in a in-box state, obtain a first sensitivity from a speaker in a left headset to a first noise reduction microphone and a second sensitivity from a speaker in a right headset to a second noise reduction microphone;
a calculating module 302, configured to calculate a first gain of a first noise reduction circuit in the left earphone and a second gain of a second noise reduction circuit in the right earphone by using a difference between the first sensitivity and the second sensitivity;
a writing module 303, configured to write the first gain into the first noise reduction circuit and write the second gain into the second noise reduction circuit, so as to complete noise reduction calibration.
The noise reduction amount of the earphone is affected by the sensitivity from the earphone loudspeaker to the noise reduction microphone and the gain value of the noise reduction circuit, and the noise reduction amount of different earphones is different when the gain values are consistent due to the fact that the sensitivity of the loudspeaker and the noise reduction microphone of different earphones is different. The wireless headset noise reduction calibrating device provided by the embodiment of the application utilizes the sensitivity difference value of a left headset loudspeaker and a right headset loudspeaker to a noise reduction microphone to recalculate the gain value of a left headset noise reduction circuit and a right headset noise reduction circuit, realizes the calibration of noise reduction amount of the left headset and the right headset through adjusting the difference of gain value balance sensitivity, ensures that the noise reduction amount of double ears is consistent, and improves the user experience.
On the basis of the foregoing embodiment, as a preferred implementation, the obtaining module 301 includes:
the first sending unit is used for sending a calibration instruction to the left earphone when the wireless earphone is in a box state so that a loudspeaker of the left earphone sends a first detection signal with a preset frequency, and a first noise reduction microphone in the left earphone is used for acquiring the first sensitivity;
the second sending unit is used for sending a calibration instruction to the right earphone so that a loudspeaker of the right earphone sends a second detection signal with a preset frequency, and a second noise reduction microphone in the right earphone is used for acquiring to obtain a second sensitivity;
a receiving unit, configured to receive the first sensitivity sent by the first noise reduction microphone and the second sensitivity sent by the second noise reduction microphone.
On the basis of the foregoing embodiment, as a preferred implementation, the obtaining module 301 further includes:
the generating unit is used for generating the calibration command when a key on the earphone box is triggered; wherein the keys comprise physical keys or touch keys.
On the basis of the foregoing embodiment, as a preferred implementation, the obtaining module 301 includes:
the detection unit is used for carrying out on-box detection on the wireless earphone through a Hall sensor;
an acquisition unit for acquiring a first sensitivity of the left earphone and a second sensitivity of the right earphone when the wireless earphone is in a box state.
On the basis of the foregoing embodiment, as a preferred implementation, the calculating module 302 includes:
the acquisition unit is used for acquiring a first initial gain of the noise reduction circuit in the left earphone and a second initial gain of the noise reduction circuit in the right earphone;
a calculating unit, configured to calculate a difference between the first sensitivity and the second sensitivity, and calculate the first gain and the second gain according to the difference, the first initial gain, and the second initial gain.
On the basis of the foregoing embodiment, as a preferable implementation manner, the calculating unit is specifically a unit that calculates a difference value between the first sensitivity and the second sensitivity, and takes a difference between the first initial gain and a half of the difference value as the first gain, and takes a sum of the second initial gain and a half of the difference value as the second gain.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
Referring to fig. 4, a structure diagram of an earphone box 400 provided in an embodiment of the present application may include a processor 11 and a memory 12 as shown in fig. 4. The headset case 400 may also include one or more of a multimedia component 13, an input/output (I/O) interface 14, and a communication component 15.
The processor 11 is configured to control the overall operation of the earphone box 400, so as to complete all or part of the steps in the above-mentioned wireless earphone noise reduction calibration method. The memory 12 is used to store various types of data to support the operations at the headset case 400, which may include, for example, instructions for any application or method operating on the headset case 400, as well as application-related data, such as contact data, messaging, pictures, audio, video, and so forth. The Memory 12 may be implemented by any type of volatile or non-volatile Memory device or combination thereof, such as Static Random Access Memory (SRAM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Erasable Programmable Read-Only Memory (EPROM), Programmable Read-Only Memory (PROM), Read-Only Memory (ROM), magnetic Memory, flash Memory, magnetic disk or optical disk. The multimedia component 13 may include a screen and an audio component. Wherein the screen may be, for example, a touch screen and the audio component is used for outputting and/or inputting audio signals. For example, the audio component may include a microphone for receiving external audio signals. The received audio signal may further be stored in the memory 12 or transmitted via the communication component 15. The audio assembly also includes at least one speaker for outputting audio signals. The I/O interface 14 provides an interface between the processor 11 and other interface modules, such as a keyboard, mouse, buttons, etc. These buttons may be virtual buttons or physical buttons. The communication component 15 is used for wired or wireless communication between the earphone box 400 and other devices. Wireless Communication, such as Wi-Fi, bluetooth, Near Field Communication (NFC), 2G, 3G or 4G, or a combination of one or more of them, so that the corresponding Communication component 15 may include: Wi-Fi module, bluetooth module, NFC module.
In an exemplary embodiment, the headset box 400 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components for performing the above-described wireless headset noise reduction calibration method.
In another exemplary embodiment, there is also provided a computer readable storage medium comprising program instructions which, when executed by a processor, implement the steps of the wireless headset noise reduction calibration method described above. For example, the computer readable storage medium may be the memory 12 described above including program instructions that are executable by the processor 11 of the headset case 400 to perform the wireless headset noise reduction calibration method described above.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A noise reduction calibration method for a wireless earphone is characterized in that an earphone box applied to the wireless earphone comprises the following steps:
performing in-box detection on the wireless earphone, and acquiring a first sensitivity from a loudspeaker in a left earphone to a first noise reduction microphone and a second sensitivity from the loudspeaker in a right earphone to a second noise reduction microphone when the wireless earphone is in an in-box state;
calculating a first gain of a first noise reduction circuit in the left earphone and a second gain of a second noise reduction circuit in the right earphone by using a difference value of the first sensitivity and the second sensitivity;
and writing the first gain into the first noise reduction circuit and writing the second gain into the second noise reduction circuit so as to finish noise reduction calibration.
2. The method for calibrating noise reduction of a wireless headset according to claim 1, wherein the obtaining a first sensitivity from a speaker in a left headset to a first noise reduction microphone and a second sensitivity from a speaker in a right headset to a second noise reduction microphone comprises:
sending a calibration instruction to the left earphone so that a loudspeaker of the left earphone can send a first detection signal with a preset frequency, and acquiring the first sensitivity by using a first noise reduction microphone in the left earphone;
sending a calibration instruction to the right earphone so that a loudspeaker of the right earphone can send a second detection signal with a preset frequency, and acquiring a second sensitivity by using a second noise reduction microphone in the right earphone;
receiving the first sensitivity transmitted by the first noise reduction microphone and the second sensitivity transmitted by the second noise reduction microphone.
3. The method for calibrating noise reduction of a wireless headset according to claim 2, wherein before sending the calibration command to the left headset, the method further comprises:
generating the calibration command when a key on the earphone box is triggered; wherein the keys comprise physical keys or touch keys.
4. The wireless headset noise reduction calibration method according to claim 1, wherein performing in-box detection on the wireless headset comprises:
and detecting the wireless earphone in a box through a Hall sensor.
5. The method of any of claims 1-4, wherein the calculating a first gain of the noise reduction circuit in the left earphone and a second gain of the noise reduction circuit in the right earphone using a difference between the first sensitivity and the second sensitivity comprises:
acquiring a first initial gain of the first noise reduction circuit and a second initial gain of the second noise reduction circuit;
calculating a difference between the first sensitivity and the second sensitivity, and calculating the first gain and the second gain according to the difference, the first initial gain and the second initial gain.
6. The method of claim 5, wherein the calculating the first gain and the second gain based on the difference, the first initial gain and the second initial gain comprises:
taking a difference between the first initial gain and half of the difference value as the first gain, and taking a sum of the second initial gain and half of the difference value as the second gain.
7. The utility model provides a calibrating device of making an uproar falls in wireless earphone which characterized in that, is applied to the earphone box of wireless earphone, includes:
the acquisition module is used for carrying out in-box detection on the wireless earphone, and acquiring first sensitivity from a loudspeaker in a left earphone to a first noise reduction microphone and second sensitivity from a loudspeaker in a right earphone to a second noise reduction microphone when the wireless earphone is in a in-box state;
a calculation module for calculating a first gain of a first noise reduction circuit in the left earphone and a second gain of a second noise reduction circuit in the right earphone using a difference between the first sensitivity and the second sensitivity;
and the writing module is used for writing the first gain into the first noise reduction circuit and writing the second gain into the second noise reduction circuit so as to finish noise reduction calibration.
8. The wireless headset noise reduction calibration device of claim 7, wherein the calculation module comprises:
the acquisition unit is used for acquiring a first initial gain of the noise reduction circuit in the left earphone and a second initial gain of the noise reduction circuit in the right earphone;
a calculating unit, configured to calculate a difference between the first sensitivity and the second sensitivity, and calculate the first gain and the second gain according to the difference, the first initial gain, and the second initial gain.
9. An earphone box of a wireless earphone, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the wireless headset noise reduction calibration method according to any one of claims 1 to 6 when executing the computer program.
10. A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the wireless headset noise reduction calibration method according to any one of claims 1 to 6.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN114040300A (en) * | 2021-11-29 | 2022-02-11 | 歌尔科技有限公司 | Earphone active noise reduction method and device, earphone and computer readable storage medium |
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