CN111741422B - Neck-wearing earphone audio calibration method and device - Google Patents
Neck-wearing earphone audio calibration method and device Download PDFInfo
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- CN111741422B CN111741422B CN202010518236.XA CN202010518236A CN111741422B CN 111741422 B CN111741422 B CN 111741422B CN 202010518236 A CN202010518236 A CN 202010518236A CN 111741422 B CN111741422 B CN 111741422B
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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
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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
Abstract
The embodiment of the invention discloses a neck-wearing earphone audio calibration method and device. The method is executed by a processor built in the neck headset, and comprises the following steps: sending an audio calibration signal to the first speaker and the second speaker to cause the first speaker and the second speaker to generate sound signals; acquiring a sound signal generated by a first loudspeaker through a first microphone, and acquiring a sound signal generated by the first loudspeaker through a second microphone, and determining first loudspeaker sound information; acquiring a sound signal generated by the second loudspeaker through the first microphone, and acquiring a sound signal generated by the second loudspeaker through the second microphone, and determining second loudspeaker sound information; determining calibration parameters for the first speaker or the second speaker based on the first speaker sound information and the second speaker sound information. The method can enable the user to automatically calibrate the earphone, and improves user experience.
Description
Technical Field
The embodiment of the invention relates to the technical field of intelligent equipment, in particular to a neck-wearing earphone audio calibration method and device.
Background
With the improvement of living standard and the rapid development of earphone technology, more and more people use neck-worn stereo earphones, especially music enthusiasts and their fevers.
However, after the earphone is used for a period of time, the sound of the left ear and the sound of the right ear may deviate inconsistently, which is shown as that the sound deviates to the left ear or the right ear, and thus the listening experience of the user is seriously affected. At present, the condition is generally replaced by the old one or the original product is repaired, which not only consumes time and labor, but also delays the use of the user.
Therefore, there is a need for an earphone calibration method, which enables a user to automatically calibrate an earphone, thereby improving user experience.
Disclosure of Invention
The invention provides a neck-wearing earphone audio calibration method and device, which are used for realizing automatic calibration of an earphone by a user and improving user experience.
In a first aspect, an embodiment of the present invention provides a method for calibrating an audio of a neck headphone, where the method is performed by a processor built in the neck headphone, and the neck headphone includes two headphone units, where the first headphone unit includes a first speaker and a first microphone, and the second headphone unit includes a second speaker and a second microphone; the first earphone unit and the second earphone unit are symmetrically arranged; the method comprises the following steps:
sending an audio calibration signal to the first speaker and the second speaker to cause the first speaker and the second speaker to produce sound signals;
acquiring, by the first microphone, a sound signal generated by the first speaker and acquiring, by the second microphone, a sound signal generated by the first speaker, determining first speaker sound information;
acquiring, by the first microphone, a sound signal generated by the second speaker, and acquiring, by the second microphone, a sound signal generated by the second speaker, determining second speaker sound information;
determining calibration parameters for the first speaker or the second speaker according to the first speaker sound information and the second speaker sound information.
In a second aspect, the present invention further provides a neck-wearing earphone audio calibration apparatus, which is used when calibrating the uniformity of a first speaker or a second speaker in a neck-wearing earphone by using the method according to any one of the embodiments of the present invention; when the first loudspeaker or the second loudspeaker in the neck-wearing earphone is calibrated, the device is also provided with a calibration box, two earphone monomers of the neck-wearing earphone are symmetrically fixed in the calibration box, and sound-absorbing materials are arranged inside the calibration box.
The invention provides a neck-wearing earphone audio calibration method, which is executed by a processor arranged in a neck-wearing earphone, wherein the neck-wearing earphone comprises two earphone monomers, the first earphone monomer comprises a first loudspeaker and a first microphone, and the second earphone monomer comprises a second loudspeaker and a second microphone; the first earphone unit and the second earphone unit are symmetrically arranged; the method comprises the following steps: sending an audio calibration signal to the first speaker and the second speaker to cause the first speaker and the second speaker to produce sound signals; acquiring, by the first microphone, a sound signal generated by the first speaker and acquiring, by the second microphone, a sound signal generated by the first speaker, determining first speaker sound information; acquiring, by the first microphone, a sound signal generated by the second speaker, and acquiring, by the second microphone, a sound signal generated by the second speaker, determining second speaker sound information; according to the first loudspeaker sound information and the second loudspeaker sound information, the calibration parameters of the first loudspeaker or the second loudspeaker are determined, so that automatic calibration of the earphone by a user can be realized, and user experience is improved.
Drawings
FIG. 1a is a schematic flow chart of an audio calibration method for a neck headset according to an embodiment of the present invention;
FIG. 1b is a schematic diagram of curves of an SPK _ L and an SPK _ R according to a first embodiment of the present invention;
FIG. 1c is a schematic diagram of an EQ according to a first embodiment of the present invention;
fig. 2a is a schematic structural diagram of an audio calibration apparatus for a neck-wearing earphone according to a second embodiment of the present invention;
fig. 2b is a schematic structural diagram of a second earphone unit provided in the second embodiment of the present invention;
fig. 2c is a schematic structural diagram of a first earphone unit according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of an apparatus provided in the third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the steps as a sequential process, many of the steps can be performed in parallel, concurrently or simultaneously. In addition, the order of the steps may be rearranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, subprograms, and the like.
Example one
Fig. 1a is a schematic flowchart of an audio calibration method for a neck-wearing earphone according to an embodiment of the present invention, which is applicable to a case where left and right ear sounds of the earphones are inconsistent, and the method can be executed by an audio calibration apparatus, specifically, a processor built in the neck-wearing earphone, where the neck-wearing earphone includes two earphone units, where the first earphone unit includes a first speaker and a first microphone, and the second earphone unit includes a second speaker and a second microphone; the first earphone unit and the second earphone unit are symmetrically arranged; specifically, during the calibration process, the placement of the two earphone units should be consistent. The device can be realized in a software and/or hardware mode, can be integrated in electronic equipment, and specifically comprises the following steps:
s110, sending an audio calibration signal to the first loudspeaker and the second loudspeaker to enable the first loudspeaker and the second loudspeaker to generate sound signals.
In this embodiment, the audio calibration signal refers to a sound signal that can be used as a reference, where the audio calibration signal may be sent after detecting that the user triggers an audio signal calibration key set outside the neck-wearing earphone, or after detecting that the user presses a volume key set outside the neck-wearing earphone for a long time. If the user presses the volume key outside the neck headphone for a long time to send the audio calibration signal, the user may preset the time for pressing the volume key for a long time, which may be 5S for example.
Further, the sending of the audio calibration signal may be performed by a processor built in the neck-wearing headset, or may be performed by an APP to the neck-wearing headset, where the APP is application software on the smart terminal, and the smart terminal is bluetooth-connected to the neck-wearing headset so that the smart terminal and the neck-wearing headset can communicate with each other.
In this embodiment, after the audio calibration signal is sent to the first speaker, the first speaker generates a corresponding sound signal, and after the audio calibration signal is sent to the second speaker, the second speaker generates a corresponding sound signal. Wherein the first speaker and the second speaker generate sound signals asynchronously. In this embodiment, it is not limited whether the first speaker generates the sound signal first or the second speaker generates the sound signal first.
And S120, acquiring the sound signal generated by the first loudspeaker through the first microphone, and acquiring the sound signal generated by the first loudspeaker through the second microphone to determine first loudspeaker sound information.
In this embodiment, the sound signals generated by the first speaker are respectively acquired by the first microphone and the second microphone, and the sound signals acquired by the first microphone and the sound signals acquired by the second microphone are calculated to obtain the sound information of the first speaker. Specifically, the audio signal generated by the first speaker acquired by the first microphone is denoted as FB Mic _ L _ FR1, the audio signal generated by the first speaker acquired by the second microphone is denoted as FB Mic _ R _ FR1, and the audio information of the first speaker is denoted as SPK _ L, and then SPK _ L is calculated according to FB Mic _ L _ FR1 and FB Mic _ R _ FR 1.
Optionally, the first speaker sound information is an average value of the sound signal generated by the first speaker and acquired by the first microphone and the sound signal generated by the first speaker and acquired by the second microphone.
Specifically, the following formula can be used to implement the following steps: SPK _ L ═ FB Mic _ L _ FR1+ FB Mic _ R _ FR 1)/2. Those skilled in the art will appreciate that the above-described calculation is illustrative only and not intended to be limiting.
S130, acquiring the sound signal generated by the second loudspeaker through the first microphone, acquiring the sound signal generated by the second loudspeaker through the second microphone, and determining sound information of the second loudspeaker.
In this embodiment, the sound signals generated by the second speaker are respectively acquired by the first microphone and the second microphone, and the sound signals acquired by the first microphone and the sound signals acquired by the second microphone are calculated to obtain the sound information of the second speaker. Specifically, the audio signal generated by the second speaker acquired by the first microphone is denoted as FB Mic _ L _ FR2, the audio signal generated by the second speaker acquired by the second microphone is denoted as FB Mic _ R _ FR2, and the audio information of the second speaker is denoted as SPK _ R, and then SPK _ R is calculated according to FB Mic _ L _ FR1 and FB Mic _ R _ FR 1.
Optionally, the second speaker sound information is an average value of a sound signal generated by the second speaker and acquired by the first microphone and a sound signal generated by the second speaker and acquired by the second microphone.
Specifically, the following formula can be used to implement the following steps: SPK _ R ═ (FB Mic _ L _ FR2+ FB Mic _ R _ FR 2)/2. Specifically, fig. 1b shows a graph of SPK _ L and SPK _ R.
S140, determining calibration parameters of the first loudspeaker or the second loudspeaker according to the first loudspeaker sound information and the second loudspeaker sound information.
In this embodiment, optionally, the determining a calibration parameter of the first speaker or the second speaker according to the first speaker sound information and the second speaker sound information includes:
if the difference value between the sensitivity of the first loudspeaker sound information and the sensitivity of the second loudspeaker sound information is within a preset range, calculating the difference value between the first loudspeaker sound information and the second loudspeaker sound information;
and taking the difference value of the first loudspeaker sound information and the second loudspeaker sound information as the calibration parameter of the first loudspeaker or the second loudspeaker.
In this embodiment, the sensitivity refers to the amplitude of the sound information corresponding to the frequency of 1KHZ, wherein the value of the sensitivity is a positive value. In this embodiment, when the sensitivity of the first speaker sound information is denoted by Sen _ L, the sensitivity of the second speaker sound information is denoted by Sen _ R, and the difference between the sensitivity of the first speaker sound information and the sensitivity of the second speaker sound information is denoted by D, D is Sen _ L-Sen _ R.
If the absolute value of D is within the preset range, it indicates that the neck-worn earphone to be calibrated can solve the problem of the inconsistency of the sound of the left and right ears of the neck-worn earphone through automatic calibration. If the absolute value of D is not in the preset range, the fact that the neck-wearing earphone to be calibrated cannot solve the problem that the sound of the left ear and the sound of the right ear are inconsistent through automatic calibration is indicated, and the neck-wearing earphone needs to be returned to the factory for maintenance. Wherein the preset range may be 3-6.
If the absolute value of D is within the preset range, the difference between the first speaker sound information and the second speaker sound information is calculated, specifically, EQ _ SPK _ L-SPK _ R can be calculated by the following formula, and specifically, fig. 1c shows a graph diagram of EQ. And taking the value of the EQ as a calibration parameter for adjusting the first loudspeaker or the second loudspeaker. And if the absolute value of the D is not in the preset range, stopping the processing, and not adjusting the calibration parameters of the first loudspeaker or the second loudspeaker.
Optionally, the determining, by taking the difference between the first speaker sound information and the second speaker sound information as a calibration parameter of the first speaker or the second speaker, includes:
if the difference value between the sensitivity of the first loudspeaker sound information and the sensitivity of the second loudspeaker sound information is larger than zero, taking the difference value between the first loudspeaker sound information and the second loudspeaker sound information as the calibration parameter of the first loudspeaker;
and if the difference value between the sensitivity of the first loudspeaker sound information and the sensitivity of the second loudspeaker sound information is smaller than zero, taking the difference value between the first loudspeaker sound information and the second loudspeaker sound information as the calibration parameter of the second loudspeaker.
In this embodiment, if the absolute value of D is within the preset range and the value of D is greater than zero, the value of EQ is used as the calibration parameter of the first speaker. And if the absolute value of D is within the preset range and the numerical value of D is smaller than zero, taking the numerical value of EQ as the calibration parameter of the first loudspeaker.
Optionally, the specific adjustment process is as follows: and if the difference value between the sensitivity of the first loudspeaker sound information and the sensitivity of the second loudspeaker sound information is larger than zero, reversely converting and negatively superposing the difference value between the first loudspeaker sound information and the second loudspeaker sound information on the first loudspeaker sound information.
In this embodiment, if the absolute value of D is within the preset range and the value of D is greater than zero, the value of EQ is changed to an opposite value as the calibration parameter of the first speaker.
Optionally, if a difference between the sensitivity of the first speaker sound information and the sensitivity of the second speaker sound information is smaller than zero, the difference between the first speaker sound information and the second speaker sound information is superimposed on the second speaker sound information.
In this embodiment, if the absolute value of D is within the preset range and the value of D is smaller than zero, the value of EQ is used as the calibration parameter of the second speaker without any processing.
The invention sends the audio calibration signal to the first loudspeaker and the second loudspeaker in the neck-wearing earphone, and the first loudspeaker and the second loudspeaker respectively generate sound signals; respectively acquiring sound signals of a first loudspeaker through a first microphone and a second microphone, and further determining sound information of the first loudspeaker; and finally, determining calibration parameters of the first loudspeaker or the second loudspeaker according to the sound information of the first loudspeaker and the sound information of the second loudspeaker. According to the technical scheme, the automatic calibration of the earphone can be realized under the condition that the left and right ear sounds of the earphone are inconsistent, the earphone does not need to be returned to the factory for maintenance, and the user experience can be further improved.
Example two
Fig. 2a is a schematic structural diagram of an audio calibration device for a neck headphone according to a second embodiment of the present invention. The neck-wearing earphone audio calibration device provided by the embodiment of the invention can execute the neck-wearing earphone audio calibration method provided by any embodiment of the invention, and has the corresponding beneficial effects of the execution method. As shown in fig. 2a, the apparatus comprises:
a neck-worn earphone audio calibration device 200 comprising a neck-worn earphone 20, wherein the neck-worn earphone 20 comprises two earphone units, wherein the first earphone unit 21 comprises a first speaker 211 and a first microphone 212, and the second earphone unit 22 comprises a second speaker 221 and a second microphone 222; wherein the first earphone unit 21 and the second earphone unit 22 are symmetrically arranged; for use in calibrating the uniformity of the first speaker 211 or the second speaker 221 in the neck-worn headset 20; in calibrating the first speaker 211 or the second speaker 221 in the neck-worn earphone 20, the apparatus 200 is further configured with a calibration case 23, two earphone cells of the neck-worn earphone 20 are symmetrically fixed in the calibration case 23, and the inside of the calibration case 23 is made of sound-absorbing material. Specifically, the schematic structural diagram of the second earphone unit 22 can be seen in fig. 2b, and the schematic structural diagram of the first earphone unit 21 can be seen in fig. 2 c.
In this embodiment, two earphone units can be fixed in the calibration box 23 by the positioning posts 230.
Optionally, the first earphone unit 21 in the neck-worn earphone 20 includes a first sound outlet hole 213 and a first leakage hole 214, and the second earphone unit 22 in the neck-worn earphone 20 includes a second sound outlet hole 223 and a second leakage hole 224; when the first speaker 211 or the second speaker 221 in the neck-set headphone 20 is calibrated, none of the first sound outlet hole 213, the first leakage hole 214, the second sound outlet hole 223, and the second leakage hole 224 is in surface contact with the calibration box 23.
Further, first leakage hole 214 includes a front leakage hole 215 and a rear leakage hole 216, and second leakage hole 224 includes a front leakage hole 225 and a rear leakage hole 226.
In this embodiment, when the consistency of the first earphone unit 21 and the second earphone unit 22 in the neck-wearing earphone 20 is calibrated, it is ensured that the first sound outlet hole 213, the first leakage hole 214, the second sound outlet hole 223 and the second leakage hole 224 are not in surface contact with the calibration box 23, because the first speaker 211 and the second speaker 221 need to emit sound signals through the first sound outlet hole 213 and the second sound outlet hole 223, and therefore, if the first speaker 211 and the second speaker 221 are blocked, the emission of sound signals by the two earphone units will be affected. Further, the first and second leakage holes 214 and 224 also cannot contact the surface of the calibration box 23 during the calibration process, because the first and second leakage holes 214 and 224 affect the low frequency part of the sound signal, and if they contact the surface of the calibration box 23, the accuracy of the audio calibration process is affected.
In this embodiment, the two earphone units are located in the calibration box 23 in a consistent manner, so as to improve the accuracy of the audio calibration process.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the above-described apparatus may refer to the corresponding process in the foregoing method embodiment, and is not described herein again.
EXAMPLE III
Fig. 3 is a schematic structural diagram of an apparatus according to a third embodiment of the present invention, and fig. 3 is a schematic structural diagram of an exemplary apparatus suitable for implementing the embodiment of the present invention. The device 12 shown in fig. 3 is only an example and should not bring any limitations to the functionality and scope of use of the embodiments of the present invention.
As shown in FIG. 3, device 12 is in the form of a general purpose computing device. The components of device 12 may include, but are not limited to: one or more processors or processing units 16, a system memory 28, and a bus 18 that couples various system components including the system memory 28 and the processing unit 16.
The system memory 28 may include computer system readable media in the form of volatile memory, such as Random Access Memory (RAM)30 and/or cache memory 32. Device 12 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage system 34 may be used to read from and write to non-removable, nonvolatile magnetic media (not shown in FIG. 3, and commonly referred to as a "hard drive"). Although not shown in FIG. 3, a magnetic disk drive for reading from and writing to a removable, nonvolatile magnetic disk (e.g., a "floppy disk") and an optical disk drive for reading from or writing to a removable, nonvolatile optical disk (e.g., a CD-ROM, DVD-ROM, or other optical media) may be provided. In these cases, each drive may be connected to bus 18 by one or more data media interfaces. System memory 28 may include at least one program product having a set (e.g., at least one) of program modules that are configured to carry out the functions of embodiments of the invention.
A program/utility 40 having a set (at least one) of program modules 42 may be stored, for example, in system memory 28, such program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each of which examples or some combination thereof may comprise an implementation of a network environment. Program modules 42 generally carry out the functions and/or methodologies of embodiments described herein.
The processing unit 16 executes various functional applications and data processing by running a program stored in the system memory 28, for example, to implement a neck headset audio calibration method provided by an embodiment of the present invention, including:
sending an audio calibration signal to the first speaker and the second speaker to cause the first speaker and the second speaker to produce sound signals;
acquiring, by the first microphone, a sound signal generated by the first speaker and acquiring, by the second microphone, a sound signal generated by the first speaker, determining first speaker sound information;
acquiring, by the first microphone, a sound signal generated by the second speaker, and acquiring, by the second microphone, a sound signal generated by the second speaker, determining second speaker sound information;
determining calibration parameters for the first speaker or the second speaker according to the first speaker sound information and the second speaker sound information.
Example four
An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program (or referred to as computer-executable instructions) is stored, where the computer program, when executed by a processor, can implement a method for calibrating an audio frequency of a neck headphone according to any of the above embodiments, and the method includes:
sending an audio calibration signal to the first speaker and the second speaker to cause the first speaker and the second speaker to produce sound signals;
acquiring, by the first microphone, a sound signal generated by the first speaker and acquiring, by the second microphone, a sound signal generated by the first speaker, determining first speaker sound information;
acquiring, by the first microphone, a sound signal generated by the second speaker, and acquiring, by the second microphone, a sound signal generated by the second speaker, determining second speaker sound information;
determining calibration parameters for the first speaker or the second speaker according to the first speaker sound information and the second speaker sound information.
Computer storage media for embodiments of the invention may employ any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for embodiments of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (9)
1. A neck earphone audio calibration method is characterized in that the method is executed by a processor built in a neck earphone, the neck earphone comprises two earphone units, wherein a first earphone unit comprises two earphone units
The second earphone monomer comprises a second loudspeaker and a second microphone;
the first earphone unit and the second earphone unit are symmetrically arranged; the method comprises the following steps:
sending an audio calibration signal to the first speaker and the second speaker to cause the first speaker and the second speaker to produce sound signals; the first loudspeaker and the second loudspeaker are asynchronous to generate sound signals;
acquiring, by the first microphone, a sound signal generated by the first speaker and acquiring, by the second microphone, a sound signal generated by the first speaker, determining first speaker sound information;
acquiring, by the first microphone, a sound signal generated by the second speaker, and acquiring, by the second microphone, a sound signal generated by the second speaker, determining second speaker sound information;
determining calibration parameters for the first speaker or the second speaker according to the first speaker sound information and the second speaker sound information.
2. The method of claim 1, wherein the first speaker sound information is an average of the sound signal generated by the first speaker captured by the first microphone and the sound signal generated by the first speaker captured by the second microphone.
3. The method of claim 1, wherein the second speaker sound information is an average of the sound signal generated by the second speaker captured by the first microphone and the sound signal generated by the second speaker captured by the second microphone.
4. The method of claim 1, wherein determining calibration parameters for the first speaker or the second speaker based on the first speaker sound information and the second speaker sound information comprises:
if the difference value between the sensitivity of the first loudspeaker sound information and the sensitivity of the second loudspeaker sound information is within a preset range, calculating the difference value between the first loudspeaker sound information and the second loudspeaker sound information;
and taking the difference value of the first loudspeaker sound information and the second loudspeaker sound information as the calibration parameter of the first loudspeaker or the second loudspeaker.
5. The method of claim 4, wherein the taking the difference between the first speaker sound information and the second speaker sound information as the calibration parameter for the first speaker or the second speaker comprises:
if the difference value between the sensitivity of the first loudspeaker sound information and the sensitivity of the second loudspeaker sound information is larger than zero, taking the difference value between the first loudspeaker sound information and the second loudspeaker sound information as the calibration parameter of the first loudspeaker;
and if the difference value between the sensitivity of the first loudspeaker sound information and the sensitivity of the second loudspeaker sound information is smaller than zero, taking the difference value between the first loudspeaker sound information and the second loudspeaker sound information as the calibration parameter of the second loudspeaker.
6. The method of claim 5, wherein if the difference between the sensitivity of the first speaker sound information and the sensitivity of the second speaker sound information is greater than zero, inversely transforming the difference between the first speaker sound information and the second speaker sound information negatively superimposing on the first speaker sound information.
7. The method of claim 5, wherein if the difference between the sensitivity of the first speaker sound information and the sensitivity of the second speaker sound information is less than zero, the difference between the first speaker sound information and the second speaker sound information is superimposed on the second speaker sound information.
8. A neck-worn earphone audio calibration device, for use in calibrating the uniformity of a first speaker or a second speaker in a neck-worn earphone using the method of any one of claims 1-7; when the first loudspeaker or the second loudspeaker in the neck-wearing earphone is calibrated, the device is also provided with a calibration box, two earphone monomers of the neck-wearing earphone are symmetrically fixed in the calibration box, and sound-absorbing materials are arranged inside the calibration box.
9. The apparatus according to claim 8, wherein the first earphone body in the neck-worn earphone includes a first sound outlet hole and a first leakage hole, and the second earphone body in the neck-worn earphone includes a second sound outlet hole and a second leakage hole; when the first speaker or the second speaker in the neck-worn earphone is calibrated, none of the first sound outlet hole, the first leakage hole, the second sound outlet hole, and the second leakage hole is in surface contact with the calibration box.
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| CN106211013A (en) * | 2016-07-18 | 2016-12-07 | 青岛歌尔声学科技有限公司 | The modification method of earpiece audio test fixture and earphone audio testing method and system |
| CN108810717A (en) * | 2018-08-21 | 2018-11-13 | 歌尔科技有限公司 | A kind of left and right acoustic channels degree of balance adjusting method, device, control chip and earphone |
| CN110753296A (en) * | 2019-10-31 | 2020-02-04 | 歌尔科技有限公司 | Sensitivity calibration method and device for left loudspeaker and right loudspeaker of wireless earphone and earphone box |
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| WO2014190140A1 (en) * | 2013-05-23 | 2014-11-27 | Alan Kraemer | Headphone audio enhancement system |
| CN106714017B (en) * | 2015-07-17 | 2019-08-23 | 中兴通讯股份有限公司 | A kind of method, apparatus, terminal and earphone adjusting earphone sound field |
| CN208691496U (en) * | 2018-08-30 | 2019-04-02 | 美特科技(苏州)有限公司 | Headphone calibration structure and its earphone |
| CN109218885A (en) * | 2018-08-30 | 2019-01-15 | 美特科技(苏州)有限公司 | Headphone calibration structure, earphone and its calibration method, computer program memory medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106211013A (en) * | 2016-07-18 | 2016-12-07 | 青岛歌尔声学科技有限公司 | The modification method of earpiece audio test fixture and earphone audio testing method and system |
| CN108810717A (en) * | 2018-08-21 | 2018-11-13 | 歌尔科技有限公司 | A kind of left and right acoustic channels degree of balance adjusting method, device, control chip and earphone |
| CN110753296A (en) * | 2019-10-31 | 2020-02-04 | 歌尔科技有限公司 | Sensitivity calibration method and device for left loudspeaker and right loudspeaker of wireless earphone and earphone box |
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