Wireless earphone and ground noise test method of wireless earphone

Abstract

The invention discloses a wireless earphone and a ground noise test method of the wireless earphone, and belongs to the technical field of electronic equipment. The wireless earphone comprises a wireless communication unit, the wireless communication unit comprises a coding and decoding module, and the coding and decoding module comprises an audio output interface and a pickup input interface; the sound production unit is electrically connected with the pickup input interface and the audio output interface; the control unit is in communication connection with the wireless communication unit, and the control unit is used for controlling the wireless communication unit to transmit a communication signal at the maximum transmitting power; controlling the coding and decoding module to close the signal output of the audio output interface, and collecting the electric signal of the pickup input interface; and determining a background noise test result of the wireless earphone based on the electric signal.

Description

Technical Field

[0001] The present application belongs to the technical field of electronic equipment, and in particular relates to a wireless headset and a noise floor testing method for the wireless headset. Background Art

[0002] In the related technology, as users have an increasingly strong demand for headphone noise reduction, the requirements for noise floor control of headphone products have become increasingly higher. Among them, for TWS (True Wireless Stereo) headphone products, such as Bluetooth headphones, their size is relatively small, so the headphone battery is usually close to the sound unit and stacked with the sound unit. At this time, the headphone battery and the sound unit can be equivalent to two parallel coils.

[0003] At the same time, due to the radio frequency characteristics of Bluetooth, TWS headphones will generate periodic current draw when working, causing the battery to generate a periodic alternating magnetic field. This magnetic field will generate an induced electromotive force on the coil of the sound unit, such as the voice coil of the headphone speaker, thereby driving the speaker to sound and generate background noise. Limited by the consistency of assembly and device consistency, the background noise performance of each TWS headset is different, so the production line needs to test the background noise to intercept defective products.

[0004] At present, the background noise test needs to rely on professional shielded isolation speaker equipment. The headphones are placed into the shielded isolation speaker one by one to build a test environment. Expensive high-sensitivity artificial ears are used to pick up the background noise signals emitted by the speakers of the headphones under specific conditions one by one. Not only is the test efficiency low, but the test cost is also high. Summary of the invention

[0005] The purpose of the embodiments of the present application is to provide a wireless headset and a noise floor testing method for the wireless headset, which can improve the efficiency of the noise floor testing of the headset and reduce the testing cost.

[0006] In a first aspect, an embodiment of the present application provides a wireless headset, the wireless headset comprising:

[0007] A wireless communication unit, the wireless communication unit includes a codec module, and the codec module includes an audio output interface and a sound pickup input interface;

[0008] A sound generating unit, the sound generating unit is electrically connected to the sound pickup input interface and the audio output interface;

[0009] A control unit, the control unit is communicatively connected with the wireless communication unit, and the control unit is used to control the wireless communication unit to transmit a communication signal at a maximum transmission power;

[0010] Control the codec module to turn off the signal output of the audio output interface and collect the electrical signal of the pickup input interface;

[0011] Determine the noise floor test results of wireless headphones based on electrical signals.

[0012] In a second aspect, an embodiment of the present application provides a method for testing the background noise of a wireless headset, wherein the wireless headset includes a wireless communication unit and a sound unit, the wireless communication unit includes a codec module, the codec module includes an audio output interface and a sound pickup input interface, and the sound unit is electrically connected to the sound pickup input interface and the audio output interface; the background noise testing method includes:

[0013] Controlling the wireless communication unit to transmit a communication signal at a maximum transmission power;

[0014] Control the codec module to turn off the signal output of the audio output interface and collect the electrical signal of the pickup input interface;

[0015] Determine the noise floor test results of wireless headphones based on electrical signals.

[0016] In a third aspect, an embodiment of the present application provides a readable storage medium, on which a program or instruction is stored, and when the program or instruction is executed by a processor, the steps of the method of the second aspect are implemented.

[0017] In a fourth aspect, an embodiment of the present application provides a chip, which includes a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the steps of the method of the second aspect.

[0018] In a fifth aspect, an embodiment of the present application provides a computer program product, which is stored in a storage medium and is executed by at least one processor to implement the method of the second aspect.

[0019] In an embodiment of the present application, the sound-emitting unit of the wireless headset is connected to the sound pickup input interface of the codec module. When the wireless communication unit transmits the communication signal at the maximum RF power, the signal output of the audio output interface is turned off, and the electrical signal on the sound pickup input interface electrically connected to the sound-emitting unit is collected. Based on the collected electrical signal, the wireless headset is tested for background noise without being disturbed by environmental noise. Therefore, there is no need to use additional and expensive shielded isolation speaker equipment, nor is there a need to build a test environment for each individual wireless headset one by one. The efficiency of the headset background noise test can be improved and the test cost can be reduced.

[0020] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0022] Figure 1 A schematic diagram showing the structure of a wireless headset in some embodiments of the present application is shown;

[0023] Figure 2 A schematic diagram showing the structure of a wireless headset in some embodiments of the present application is shown;

[0024] Figure 3 A flow chart of a noise floor testing method for wireless headphones according to some embodiments of the present application is shown.

[0025] Reference numerals:

[0026] 100 wireless headset, 102 wireless communication unit, 1022 codec module, 104 sound unit, 106 control unit, 108 storage unit;

[0027] SPK audio output interface, MIC pickup input interface, ADC analog-to-digital conversion module. DETAILED DESCRIPTION

[0028] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and should not be construed as limitations on the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present application.

[0029] The term "first" or "second" in the specification and claims of this application may include one or more of the features explicitly or implicitly. In the description of this application, unless otherwise specified, "plurality" means two or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / " generally means that the objects connected before and after are in an "or" relationship.

[0030] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0031] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0032] Combine the following Figures 1 to 3 A wireless headset and a noise floor testing method for the wireless headset according to an embodiment of the present application are described.

[0033] In some embodiments of the present application, a wireless headset is provided. Figure 1 and Figure 2 The structure diagram of the wireless headset of some embodiments of the present application is shown as follows: Figure 1 and Figure 2 As shown, the wireless headset 100 includes: a wireless communication unit 102, the wireless communication unit 102 includes a codec module 1022, the codec module 1022 includes an audio output interface SPK and a sound pickup input interface MIC; a sound unit 104, the sound unit 104 is electrically connected to the sound pickup input interface MIC and the audio output interface SPK; a control unit 106, the control unit 106 is communicatively connected to the wireless communication unit 102, and the control unit 106 is used to control the wireless communication unit 102 to transmit a communication signal at a maximum transmission power; and control the codec module 1022 to turn off the signal output of the audio output interface SPK, and collect the electrical signal of the sound pickup input interface MIC; determine the background noise test result of the wireless headset 100 based on the electrical signal.

[0034] In an embodiment of the present application, the wireless headset 100 may be a TWS (True Wireless Stereo) headset, and the wireless headset 100 includes a wireless communication unit 102, a sound unit 104, and a control unit 106. Wherein, exemplarily, the wireless communication unit 102 includes but is not limited to a Bluetooth communication unit, a Wi-Fi communication unit, or other radio frequency communication units. The control unit 106 may be an independent processing chip or control circuit of the wireless headset 100, or may be inherited in the wireless communication unit 102.

[0035] The wireless communication unit 102 is integrated with a codec module, and the codec module 1022 includes an audio output interface SPK and a sound pickup input interface MIC. The audio output interface SPK outputs an audio signal to the sound generating unit 104, thereby driving the sound generating unit 104 to emit sound. The sound pickup input interface MIC is connected to the sound pickup unit of the headset, such as a call microphone and a noise reduction microphone, and decodes the audio signal collected by the sound pickup unit, thereby realizing the ambient noise reduction and call functions.

[0036] Exemplarily, the number of the sound pickup input interface MIC on the codec module 1022 is multiple, and taking the number of the sound pickup input interface MIC on the codec module 1022 as an example, it is assumed that the three sound pickup input interfaces MIC are MIC1, MIC2, and MIC3, wherein MIC1 is connected to the call microphone, MIC2 is connected to the noise reduction microphone, and MIC3 is connected to the sound unit 104. Since the input impedance of the sound pickup input interface MIC of the codec module 1022 in the wireless communication unit 102 is high impedance, which is equivalent to an open circuit for the audio output line, the wiring between the sound unit 104 and the sound pickup input interface MIC will not affect the signal size on the audio output line, and will not affect the frequency response performance of the sound unit 104 when the wireless headset 100 is working normally.

[0037] When performing the background noise test, the control unit 106 sends an instruction to the wireless communication unit 102 to control the wireless communication unit 102 to continuously operate at the maximum power. At this time, the state of the wireless headset 100 is equivalent to the working condition with the most serious background noise during normal operation. At the same time, the control unit 106 controls the codec module 1022 to turn off the signal output of the audio output interface SPK, and collects electrical signals through the above-mentioned MIC3 interface. The electrical signal collected at this time is the induced electrical signal generated when the sound unit 104 receives the battery magnetic field interference, that is, the electrical signal that drives the sound unit 104 to generate background noise.

[0038] Since the sensitivity of each sound unit 104 is known, and the sensitivity consistency of the sound units 104 of the same model is high, the size of the acoustic signal of the headphone background noise in the actual usage environment can be evaluated by measuring the size of this part of the induced electrical signal, thereby replacing the direct measurement of the background noise signal of the sound unit 104 by measuring the electrical signal of the induced electromotive force on the sound unit 104, thereby completing the background noise test of the wireless headset 100 without the aid of an external shielded isolation speaker device and a highly sensitive artificial ear.

[0039] The present application connects the sound unit 104 of the wireless headset 100 to the sound pickup input interface MIC of the codec module 1022, and turns off the signal output of the audio output interface SPK during the process of the wireless communication unit 102 transmitting the communication signal at the maximum RF power, and at the same time collects the electrical signal on the sound pickup input interface MIC electrically connected to the sound unit 104, and performs a background noise test on the wireless headset 100 based on the collected electrical signal, which will not be interfered by the environmental noise. Therefore, there is no need to use additional and expensive shielded isolation speaker equipment, nor is there a need to build a test environment for each individual wireless headset 100 one by one, which can improve the efficiency of the headset background noise test and reduce the test cost.

[0040] In some embodiments of the present application, Figure 1 and Figure 2 As shown, the wireless headset 100 also includes: an analog-to-digital conversion module ADC, the analog-to-digital conversion module ADC is electrically connected to the sound pickup input interface MIC, and the analog-to-digital conversion module ADC is used to process the electrical signal to obtain the voltage value of the electrical signal within a preset frequency range; the control unit 106 is also used to determine the background noise test result based on the comparison result of the voltage value and the voltage threshold.

[0041] In the embodiment of the present application, the wireless headset 100 includes an analog to digital converter (ADC) module. The analog to digital converter module ADC can process the electrical signal received by the sound pickup input interface MIC to obtain a voltage value of the electrical signal within a preset frequency range.

[0042] Among them, when different electrical signals act on the voice coil of the sound unit 104, the voice coil will vibrate at different vibration frequencies, thereby driving other structures in the sound unit 104, including the paper cone, to vibrate synchronously, thereby making a sound. The frequency of the sound emitted by the sound unit 104 is related to the vibration frequency of the voice coil, and the vibration frequency of the voice coil is related to the frequency of the electrical signal acting on the voice coil.

[0043] The human ear has different sensitivities to sound waves of different frequencies. When the electrical signal meets the above-mentioned preset frequency range, this electrical signal can drive the sound unit 104 to generate a background noise signal in the sound wave frequency range that meets the sensitivity of the human ear. At this time, the intensity of the background noise signal, that is, the size of the background noise is positively correlated with the voltage value corresponding to the electrical signal.

[0044] By analyzing the voltage value within a specific frequency range in the electrical signal and comparing the voltage value with the voltage threshold, a judgment result of whether the background noise of the wireless headset 100 exceeds the limit can be obtained, thereby achieving a test result of the background noise intensity of the wireless headset 100.

[0045] The present application detects the electrical signal voltage value corresponding to the background noise in the frequency range that the human ear is sensitive to, thereby realizing background noise testing by replacing sound signal detection with electrical signal detection, thereby improving the efficiency of background noise testing of the wireless headset 100.

[0046] In some embodiments of the present application, signal processing includes any one or a combination of the following: signal amplification processing, analog-to-digital conversion processing, fast Fourier transform processing, and energy spectrum analysis processing.

[0047] In an embodiment of the present application, the analog-to-digital conversion module ADC performs signal processing on the electrical signal transmitted by the sound pickup input interface MIC, specifically including one or more of signal amplification processing, analog-to-digital conversion processing, fast Fourier transform (FFT) processing and energy spectrum analysis processing.

[0048] By performing the above-mentioned signal processing on the electrical signal transmitted by the sound pickup input interface MIC, the energy distribution of the bottom noise signal corresponding to the electrical signal within a certain frequency band can be obtained, so as to determine whether the sound signal is below the hearing threshold of the human ear, thereby realizing the test of whether the bottom noise signal of the wireless headset 100 meets the requirements through electrical signal detection.

[0049] In some embodiments of the present application, when the voltage value is greater than or equal to the voltage threshold, the background noise test result is determined to be a test failure; or, when the voltage value is less than the voltage threshold, the background noise test result is determined to be a test pass.

[0050] In the embodiment of the present application, the electrical signal collected by the analog-to-digital conversion module ADC is the induced electrical signal generated when the sound unit 104 receives the battery magnetic field interference, that is, the electrical signal that drives the sound unit 104 to generate background noise. The larger the voltage value of the electrical signal, the greater the amount of background noise generated by the sound unit 104 driven by the electrical signal, and vice versa, the smaller the voltage value, the smaller the amount of background noise.

[0051] The voltage threshold is obtained by converting the hearing threshold at which the human ear perceives the background noise. When the voltage value of the electrical signal exceeds the voltage threshold, the amount of background noise generated on the sound-emitting unit 104 will exceed the hearing threshold of the human ear, causing the user to feel the background noise. Otherwise, no background noise recognizable to the human ear will be generated.

[0052] Exemplarily, assuming that the analog-to-digital conversion module ADC obtains the energy distribution within a preset frequency through signal processing, for example, the voltage value of the electrical signal within the preset frequency range is 100μV, based on the sensitivity of the sound unit 104, it can be concluded that the intensity of the background noise signal within the sound frequency range sensitive to the human ear is 0dBSPL. When the voltage value is determined to be 100μV, the noise test result meets the low background noise requirement.

[0053] By determining the noise floor test result based on the comparison result between the voltage value of the collected electrical signal and the voltage threshold, the step of building a silent environment when performing noise floor testing through acoustic signals is eliminated, thereby improving the efficiency of noise floor testing.

[0054] In some embodiments of the present application, the wireless headset 100 also includes: a storage unit 108, the storage unit 108 is communicatively connected to the control unit 106, and the storage unit 108 is used to store the background noise test results; the wireless communication unit 102 is also used to output the background noise test results.

[0055] In the embodiment of the present application, the wireless headset 100 includes a storage unit 108, which can be a flash memory. After obtaining the noise floor test result based on the electrical signal and saving the noise floor test result in the storage unit 108, the wireless headset 100 exits the noise floor test mode and returns to the normal user mode.

[0056] After obtaining the noise floor test result, the wireless headset 100 can output the noise floor test result through the wireless communication unit 102, such as sending the noise floor test result to the test management system through a universal asynchronous receiver / transmitter (UART) or a Bluetooth module. The test management system can intercept products that do not meet the requirements through the noise floor test results uploaded by each wireless headset 100.

[0057] In some embodiments of the present application, a background noise testing method for a wireless headset is provided. The wireless headset includes a wireless communication unit and a sound-emitting unit. The wireless communication unit includes a codec module. The codec module includes an audio output interface and a sound pickup input interface. The sound-emitting unit is electrically connected to the sound pickup input interface and the audio output interface.

[0058] Figure 3 A flowchart of a method for testing the background noise of a wireless headset in some embodiments of the present application is shown. Figure 3 As shown, the noise floor test method includes:

[0059] Step 302, controlling the wireless communication unit to transmit a communication signal at a maximum transmission power;

[0060] Step 304, controlling the codec module to turn off the signal output of the audio output interface, and collecting the electrical signal of the pickup input interface MIC;

[0061] Step 306: Determine a noise floor test result of the wireless headset based on the electrical signal.

[0062] In an embodiment of the present application, the wireless headset may be a TWS (True Wireless Stereo) headset, and the wireless headset includes a wireless communication unit, a sound unit, and a control unit. Wherein, exemplarily, the wireless communication unit includes but is not limited to a Bluetooth communication unit, a Wi-Fi communication unit, or other radio frequency communication unit. The control unit may be an independent processing chip or control circuit of the wireless headset, or it may be inherited in the wireless communication unit.

[0063] The wireless communication unit is integrated with a codec module, which includes an audio output interface (SPK) and a sound pickup input interface (MIC). The audio output interface outputs an audio signal to the sound generating unit, thereby driving the sound generating unit to emit sound. The sound pickup input interface is connected to the sound pickup unit of the headset, such as a call microphone and a noise reduction microphone, to decode the audio signal collected by the sound pickup unit, thereby realizing the ambient noise reduction and call functions.

[0064] Exemplarily, there are multiple sound pickup input interfaces on the codec module. For example, if there are three sound pickup input interfaces on the codec module, it is assumed that the three sound pickup input interfaces are MIC1, MIC2, and MIC3, where MIC1 is connected to the call microphone, MIC2 is connected to the noise reduction microphone, and MIC3 is connected to the sound unit. Since the input impedance of the sound pickup input interface of the codec module in the wireless communication unit is high impedance, it is equivalent to an open circuit for the audio output line. Therefore, the wiring between the sound unit and the sound pickup input interface will not affect the signal size on the audio output line, and will not affect the frequency response performance of the sound unit when the wireless headset is working normally.

[0065] When performing the background noise test, the control unit sends a command to the wireless communication unit to control the wireless communication unit to continuously operate at the maximum power. At this time, the state of the wireless headset is equivalent to the working condition with the most serious background noise during normal operation. At the same time, the control unit controls the codec module to turn off the signal output of the audio output interface, and collects electrical signals through the above-mentioned MIC3 pickup input interface. The electrical signal collected at this time is the induced electrical signal generated when the sound unit receives the battery magnetic field interference, that is, the electrical signal that drives the sound unit to generate background noise.

[0066] Since the sensitivity of each sound unit is known, and the sensitivity of sound units of the same model is highly consistent, the size of the acoustic signal of the headphone background noise in the actual usage environment can be evaluated by measuring the size of this part of the induced electrical signal. This can replace the direct measurement of the background noise signal of the sound unit by measuring the electrical signal of the induced electromotive force on the sound unit, thereby completing the background noise test of the wireless headset without the aid of external shielded isolation speaker equipment and highly sensitive artificial ears.

[0067] The present application connects the sound-emitting unit of the wireless headset to the sound pickup input interface of the codec module, turns off the signal output of the audio output interface while the wireless communication unit transmits the communication signal at the maximum RF power, and collects the electrical signal on the sound pickup input interface electrically connected to the sound-emitting unit. The wireless headset is tested for background noise based on the collected electrical signal without being disturbed by environmental noise. Therefore, there is no need to use additional and expensive shielded isolation speaker equipment, nor is there a need to build a test environment for each individual wireless headset one by one. The efficiency of the headphone background noise test can be improved and the test cost can be reduced.

[0068] In some embodiments of the present application, after collecting the electrical signal of the sound pickup input interface MIC, the method further includes: performing signal processing on the electrical signal to obtain a voltage value of the electrical signal within a preset frequency range.

[0069] Determining a noise floor test result of the wireless headset based on the electrical signal includes: determining the noise floor test result based on a comparison result between a voltage value and a voltage threshold.

[0070] In an embodiment of the present application, the wireless headset includes an analog to digital converter (ADC) module, which can process the electrical signal received by the sound pickup input interface to obtain a voltage value of the electrical signal within a preset frequency range.

[0071] Among them, when different electrical signals act on the voice coil of the sound unit, the voice coil will vibrate at different vibration frequencies, thereby driving other structures in the sound unit, including the paper cone, to vibrate synchronously, thereby making a sound. The frequency of the sound emitted by the sound unit is related to the vibration frequency of the voice coil, and the vibration frequency of the voice coil is related to the frequency of the electrical signal acting on the voice coil.

[0072] The human ear has different sensitivities to sound waves of different frequencies. When the electrical signal meets the above-mentioned preset frequency range, this electrical signal can drive the sound unit to generate a background noise signal in the sound wave frequency range that meets the sensitivity of the human ear. At this time, the intensity of the background noise signal, that is, the size of the background noise is positively correlated with the voltage value corresponding to the electrical signal.

[0073] By analyzing the voltage value within a specific frequency range in the electrical signal and comparing the voltage value with the voltage threshold, we can determine whether the background noise of the wireless headset exceeds the limit, thereby achieving the test result of the background noise intensity of the wireless headset.

[0074] The present application detects the electrical signal voltage value corresponding to the background noise in the frequency range that the human ear is sensitive to, thereby realizing background noise testing by replacing sound signal detection with electrical signal detection, thereby improving the efficiency of background noise testing of wireless headphones.

[0075] In some embodiments of the present application, signal processing includes any one or a combination of the following: signal amplification processing, analog-to-digital conversion processing, fast Fourier transform processing, and energy spectrum analysis processing.

[0076] In an embodiment of the present application, the analog-to-digital conversion module performs signal processing on the electrical signal transmitted from the sound pickup input interface, specifically including one or more of signal amplification processing, analog-to-digital conversion processing, fast Fourier transform (FFT) processing and energy spectrum analysis processing.

[0077] By performing the above-mentioned signal processing on the electrical signal transmitted by the sound pickup input interface, the energy distribution of the background noise signal corresponding to the electrical signal within a certain frequency band can be obtained, so as to determine whether the sound signal is below the hearing threshold of the human ear, and realize the test of whether the background noise signal of the wireless headset meets the requirements through electrical signal detection.

[0078] In some embodiments of the present application, the background noise test result is determined based on the comparison result between the voltage value and the voltage threshold, including: when the voltage value is greater than or equal to the voltage threshold, determining the background noise test result is a test failure; or, when the voltage value is less than the voltage threshold, determining the background noise test result is a test pass.

[0079] In the embodiment of the present application, the electrical signal collected by the analog-to-digital conversion module is the induced electrical signal generated when the sound unit receives the interference of the battery magnetic field, that is, the electrical signal that drives the sound unit to generate background noise. The larger the voltage value of the electrical signal, the greater the amount of background noise generated by the sound unit driven by the electrical signal, and vice versa, the smaller the voltage value, the smaller the amount of background noise.

[0080] The voltage threshold is obtained by converting the hearing threshold at which the human ear perceives background noise. When the voltage value of the electrical signal exceeds the voltage threshold, the amount of background noise generated on the sound-emitting unit will exceed the hearing threshold of the human ear, causing the user to feel the background noise. Otherwise, no background noise recognizable to the human ear will be generated.

[0081] Exemplarily, assuming that the analog-to-digital conversion module obtains the energy distribution within a preset frequency through signal processing, for example, the voltage value of the electrical signal within the preset frequency range is 100μV, based on the sensitivity of the sound unit, it can be concluded that the intensity of the background noise signal within the sound frequency range that the human ear is sensitive to is 0dBSPL. When the voltage value is determined to be 100μV, the noise test result meets the low background noise requirement.

[0082] By determining the noise floor test result based on the comparison result between the voltage value of the collected electrical signal and the voltage threshold, the step of building a silent environment when performing noise floor testing through acoustic signals is eliminated, thereby improving the efficiency of noise floor testing.

[0083] In some embodiments of the present application, after determining the noise floor test result of the wireless headset based on the electrical signal, the method further includes: storing the noise floor test result; and outputting the noise floor test result.

[0084] In an embodiment of the present application, the wireless headset includes a storage unit, which can be a flash memory. After obtaining the noise floor test result based on the electrical signal and storing the noise floor test result in the storage unit, the wireless headset exits the noise floor test mode and returns to the normal user mode.

[0085] After obtaining the noise floor test results, the wireless headset can output the noise floor test results through the wireless communication unit, such as sending the noise floor test results to the test management system through a universal asynchronous receiver / transmitter (UART) or a Bluetooth module. The test management system can intercept products that do not meet the requirements through the noise floor test results uploaded by each wireless headset.

[0086] An embodiment of the present application also provides a readable storage medium, on which a program or instruction is stored. When the program or instruction is executed by a processor, the various processes of the above-mentioned method embodiment are implemented and the same technical effect can be achieved. To avoid repetition, it will not be repeated here.

[0087] The processor is the processor in the electronic device in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a computer read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0088] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0089] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A wireless headset, characterized in that: The wireless headset comprises: A wireless communication unit, the wireless communication unit comprising a codec module, the codec module comprising an audio output interface and a sound pickup input interface; A sound-generating unit, the sound-generating unit being electrically connected to the sound pickup input interface and the audio output interface; a control unit, the control unit being communicatively connected to the wireless communication unit, the control unit being configured to control the wireless communication unit to transmit a communication signal at a maximum transmission power; and Control the codec module to turn off the signal output of the audio output interface and collect the electrical signal of the sound pickup input interface; A noise floor test result of the wireless headset is determined based on the electrical signal.

2. The wireless headset according to claim 1, characterized in that: The encoding and decoding module also includes: an analog-to-digital conversion module, the analog-to-digital conversion module being electrically connected to the sound pickup input interface, and the analog-to-digital conversion module being used to perform signal processing on the electrical signal to obtain a voltage value of the electrical signal within a preset frequency range; The control unit is further used to determine the background noise test result based on the comparison result between the voltage value and the voltage threshold.

3. The wireless headset according to claim 2, characterized in that: The signal processing includes any one or combination of the following: Signal amplification processing, analog-to-digital conversion processing, fast Fourier transform processing, and energy spectrum analysis processing.

4. The wireless headset according to claim 2, characterized in that: The control unit is further used to determine that the background noise test result is a test failure when the voltage value is greater than or equal to the voltage threshold; or to determine that the background noise test result is a test pass when the voltage value is less than the voltage threshold.

5. The wireless headset according to claim 1, characterized in that: The wireless headset also includes: A storage unit, the storage unit is communicatively connected with the control unit, and the storage unit is used to store the background noise test result; The wireless communication unit is also used to output the background noise test result.

6. A method for testing the background noise of a wireless headset, characterized in that: The wireless headset includes a wireless communication unit and a sound unit, the wireless communication unit includes a codec module, the codec module includes an audio output interface and a sound pickup input interface, and the sound unit is electrically connected to the sound pickup input interface and the audio output interface; the background noise testing method includes: Controlling the wireless communication unit to transmit a communication signal at a maximum transmission power; Control the codec module to turn off the signal output of the audio output interface and collect the electrical signal of the sound pickup input interface; A noise floor test result of the wireless headset is determined based on the electrical signal.

7. The noise floor testing method according to claim 6, characterized in that: After collecting the electrical signal of the sound pickup input interface, the method further includes: Performing signal processing on the electrical signal to obtain a voltage value of the electrical signal within a preset frequency range; The determining the noise floor test result of the wireless headset based on the electrical signal includes: The noise floor test result is determined based on a comparison result between the voltage value and a voltage threshold.

8. The noise floor testing method according to claim 7, characterized in that: The signal processing includes any one or combination of the following: Signal amplification processing, analog-to-digital conversion processing, fast Fourier transform processing, and energy spectrum analysis processing.

9. The noise floor testing method according to claim 7, characterized in that: The step of determining the noise floor test result based on the comparison result between the voltage value and the voltage threshold comprises: When the voltage value is greater than or equal to the voltage threshold, determining that the background noise test result is a test failure; Alternatively, when the voltage value is less than the voltage threshold, it is determined that the noise floor test result is a test pass.

10. The noise floor testing method according to claim 6, characterized in that: After determining the noise floor test result of the wireless headset based on the electrical signal, the method further includes: storing the background noise test result; and Output the noise floor test result.

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