CN113490089B - Noise reduction control method, electronic device and computer readable storage device - Google Patents
Noise reduction control method, electronic device and computer readable storage device Download PDFInfo
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- CN113490089B CN113490089B CN202110613689.5A CN202110613689A CN113490089B CN 113490089 B CN113490089 B CN 113490089B CN 202110613689 A CN202110613689 A CN 202110613689A CN 113490089 B CN113490089 B CN 113490089B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1083—Reduction of ambient noise
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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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
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/01—Hearing devices using active noise cancellation
Abstract
The application provides a noise reduction control method, an electronic device and a computer readable storage device. The noise reduction control method comprises the following steps: acquiring environmental noise, wherein the environmental noise comprises a frequency band to be processed; acquiring a preset noise reduction amount of a frequency band to be processed, wherein the preset noise reduction amount corresponds to the noise reduction requirement of a user on the frequency band to be processed; comparing the preset noise reduction amount of the frequency band to be processed with the corresponding passive noise reduction amount to obtain a comparison result; generating a first control parameter according to the comparison result so as to achieve the preset noise reduction amount; and sending the first control parameter to the earphone so that the earphone performs noise control processing on the frequency band to be processed according to the first control parameter. The technical scheme that this application provided can carry out comparatively nimble noise control to ambient noise and handle.
Description
Technical Field
The present application relates to the field of noise reduction technologies, and in particular, to a noise reduction control method, an electronic device, and a computer-readable storage device.
Background
The earphone having an ANC (Active Noise Control) function has an excellent Noise reduction effect. For example, when the earphone plays audio, the earphone with ANC function can reduce the environmental noise to isolate the interference of the environmental noise and ensure the audio effect. However, the conventional earphone with ANC function usually has only a plurality of fixed noise reduction modes and pass-through modes, and environmental noise is processed according to the fixed noise reduction modes and the pass-through modes, which cannot be flexibly adjusted.
Disclosure of Invention
The application provides a noise reduction control method, an electronic device and a computer readable storage device, which can flexibly control and process environmental noise.
The first technical scheme adopted by the application is as follows: provided is a noise reduction control method including: acquiring environmental noise, wherein the environmental noise comprises a frequency band to be processed; acquiring a preset noise reduction amount of a frequency band to be processed, wherein the preset noise reduction amount corresponds to the noise reduction requirement of a user on the frequency band to be processed; comparing the preset noise reduction amount of the frequency band to be processed with the corresponding passive noise reduction amount to obtain a comparison result; generating a first control parameter according to the comparison result so as to achieve the preset noise reduction amount; and sending the first control parameter to the earphone so that the earphone performs noise control processing on the frequency band to be processed according to the first control parameter.
Optionally, generating the first control parameter according to the comparison result includes: if the preset noise reduction amount of the frequency band to be processed is larger than the corresponding passive noise reduction amount, generating a first sub-control parameter for performing active noise reduction processing on the frequency band to be processed so as to further reduce noise; and if the preset noise reduction amount of the frequency band to be processed is smaller than the corresponding passive noise reduction amount, generating a second sub-control parameter for carrying out passive noise reduction elimination processing on the frequency band to be processed so as to eliminate the passive noise reduction amount.
Optionally, generating the first sub-control parameter comprises: calculating a first difference value between a preset noise reduction amount and a corresponding passive noise reduction amount of a frequency band to be processed; generating a first sub-control parameter according to the first difference value, so as to perform active noise reduction processing with noise reduction as the first difference value on the frequency band to be processed; generating a second sub-control parameter comprising: calculating a second difference value between the passive noise reduction amount of the frequency band to be processed and the corresponding preset noise reduction amount; and generating a second sub-control parameter according to the second difference value so as to perform passive noise reduction elimination processing with the elimination quantity of the frequency band to be processed being the second difference value.
Optionally, generating the first control parameter according to the comparison result includes: judging whether the frequency band to be processed is in an active noise reduction area; if so, executing to generate a first sub-control parameter if the preset noise reduction amount of the frequency band to be processed is larger than the corresponding passive noise reduction amount, so as to perform active noise reduction processing on the frequency band to be processed to further reduce noise; if the preset noise reduction amount of the frequency band to be processed is smaller than the corresponding passive noise reduction amount, generating a second sub-control parameter for performing passive noise reduction elimination processing on the frequency band to be processed so as to eliminate the passive noise reduction amount; if not, when the preset noise reduction amount of the frequency band to be processed is larger than the corresponding passive noise reduction amount, the active noise reduction processing is not carried out on the frequency band to be processed, and when the preset noise reduction amount of the frequency band to be processed is smaller than the corresponding passive noise reduction amount, a second sub-control parameter is generated to be used for carrying out passive noise reduction elimination processing on the frequency band to be processed so as to eliminate the passive noise reduction amount.
Optionally, the comparing the preset noise reduction amount of the frequency band to be processed with the corresponding magnitude of the passive noise reduction amount further includes: judging whether the frequency band to be processed is in a passive noise reduction area; if yes, comparing the preset noise reduction amount of the frequency band to be processed with the corresponding passive noise reduction amount; if not, generating a second control parameter according to the preset noise reduction amount, and sending the second control parameter to the earphone, so that the earphone carries out active noise reduction processing with the noise reduction amount as the preset noise reduction amount on the frequency band to be processed.
Optionally, the obtaining of the preset noise reduction amount of the frequency band to be processed includes: and acquiring a noise reduction setting instruction of the frequency band to be processed by the user, and generating a preset noise reduction.
Optionally, the ambient noise comprises a plurality of frequency bands to be processed; acquiring ambient noise, comprising: ambient noise is picked up by the microphone itself or received by the headset.
The second technical scheme adopted by the application is as follows: an electronic device is provided, which comprises a display screen, a processor, a memory and a communication circuit, wherein the display screen and the memory are coupled with the processor through the communication circuit, and the electronic device is communicated with an earphone through the communication circuit; the memory has stored therein computer instructions; the processor executes the above noise reduction control method when executing the computer instructions.
The third technical scheme adopted by the application is as follows: there is provided a computer readable storage device storing computer instructions executable by a processor, the computer instructions being capable of implementing the above noise reduction control method when executed by the processor.
The fourth technical scheme adopted by the application is as follows: there is provided another noise reduction control method including: receiving a first control parameter, wherein the first control parameter is generated by electronic equipment according to a comparison result and is used for achieving a preset noise reduction amount, the preset noise reduction amount of a frequency band to be processed in the environmental noise is obtained by the electronic equipment after the environmental noise is obtained, and the comparison result is obtained by comparing the preset noise reduction amount of the frequency band to be processed with the corresponding passive noise reduction amount; and carrying out noise control processing on the frequency band to be processed according to the first control parameter.
The beneficial effect of this application: the electronic equipment obtains a comparison result by comparing the preset noise reduction amount of the frequency band to be processed with the corresponding passive noise reduction amount, so that the type of noise control processing required by the frequency band to be processed, such as active noise reduction processing or passive noise reduction elimination processing, can be flexibly identified. And the electronic equipment further generates a first control parameter for reaching the preset noise reduction amount according to the comparison result, and sends the first control parameter to the earphone, and the earphone performs noise control processing on the frequency band to be processed according to the first control parameter. Compared with a fixed noise reduction mode or a transparent mode, the noise reduction control method is more flexible, more targeted and more adaptable to different environment noises.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic flow chart diagram illustrating a noise reduction control method according to an embodiment of the present application;
FIG. 2 is a diagram illustrating the relationship between the passive noise reduction amount and the frequency of a passive noise reduction region;
FIG. 3 is a diagram illustrating a data adjustment chart according to an embodiment of S31 shown in FIG. 1;
FIG. 4 is another diagram illustrating a data adjustment chart according to an embodiment of S31 shown in FIG. 1;
FIG. 5 is a diagram illustrating the relationship between the frequency and the passive and active noise reduction regions.
FIG. 6 is a diagram illustrating the relationship between the active noise reduction amount and the frequency of the active noise reduction region;
FIG. 7 is a schematic structural diagram of an embodiment of an electronic device of the present application;
FIG. 8 is a schematic flow chart diagram illustrating another embodiment of a noise reduction control method according to the present application;
FIG. 9 is a schematic diagram illustrating a noise reduction process of an embodiment of the earphone of the present application;
FIG. 10 is a schematic block diagram of an embodiment of a computer-readable storage device according to the present application;
fig. 11 is another flowchart illustrating the noise reduction control method shown in fig. 1.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be noted that the following examples are only illustrative of the present application, and do not limit the scope of the present application. Likewise, the following examples are only some examples and not all examples of the present application, and all other examples obtained by a person of ordinary skill in the art without any inventive work are within the scope of the present application.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Reference herein to "electronic equipment" includes, but is not limited to, equipment configured to receive/transmit communication signals via a wireline connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface (e.g., for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal). Such as smart phones, tablets, notebook computers, wearable devices, and the like.
The terms "first", "second" and "third" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. All directional indications (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Referring to fig. 1, fig. 1 is a schematic flowchart illustrating a noise reduction control method according to an embodiment of the present application. The noise reduction control method described in this embodiment may be applied to electronic devices such as a computer, a smart watch, a smart phone, and a tablet, and specifically may include the following steps:
s10: and acquiring environmental noise, wherein the environmental noise comprises a frequency band to be processed.
Specifically, the electronic device may capture ambient noise. In some implementations, the electronic device can pick up ambient noise through its own microphone. In some embodiments, the electronic device may also receive ambient noise picked up by the headset. For example, the electronic device and the headset may be connected through a wired connection or a wireless communication method such as bluetooth, and the headset picks up the ambient noise and then transmits the ambient noise to the electronic device. Of course, the electronic device may also acquire ambient noise picked up by other electronic devices.
The frequency of the environmental noise is usually in the range of 10-10000Hz, and can be divided into a plurality of frequency bands to be processed. For example, the widths of the frequency bands to be processed may be different, and the environmental noise may be divided into 10 frequency bands to be processed, such as 10-100Hz, 100-200Hz, 200-400Hz, 400-800Hz, 800-1000Hz, 1000-2000Hz, 2000-4000Hz, 4000-6000Hz, 6000-8000Hz, 8000-10000 Hz. The multiple frequency bands to be processed may be all frequency bands of the ambient noise, or may be partial frequency bands of the ambient noise.
In some embodiments, the widths of the frequency bands to be processed may also be the same, which is not limited in the present application and may be selected by a person skilled in the art according to actual needs. In some embodiments, the environmental noise may be further divided into 6 bands to be processed, or 8 bands to be processed, or 12 bands to be processed, or even more bands to be processed, which is not limited in the present application and can be selected by a person skilled in the art according to actual requirements.
S30: and acquiring a preset noise reduction amount of the frequency band to be processed, wherein the preset noise reduction amount corresponds to the noise reduction requirement of a user on the frequency band to be processed.
In some embodiments, the preset noise reduction amount of the frequency band to be processed may be set by a user, specifically as shown in the following steps included in S30:
s31: and acquiring a noise reduction setting instruction of the frequency band to be processed by the user, and generating a preset noise reduction.
For example, after acquiring the ambient noise, the electronic device may present a data adjustment chart corresponding to the ambient noise on a display interface of a display screen of the electronic device, so that a user can perform a noise reduction amount setting operation on the data adjustment chart. In some embodiments, the data adjustment graph may be similar to an EQ equalizer.
For example, the electronic device may generate an original data adjustment chart according to the original volume of each frequency band to be processed in the environmental noise, as shown in fig. 3, where fig. 3 is a schematic diagram of the data adjustment chart in an embodiment of S31 shown in fig. 1. Further, the user can perform noise reduction amount setting operation based on the raw data adjustment chart, so that the electronic device generates a corresponding preset noise reduction amount. The noise reduction amount setting operation may be performed in various ways:
for example, a user may select a certain frequency band to be processed with an original volume of 20dB on a display interface, and then set the volume of the frequency band to be processed to 10dB by sliding or clicking a display screen of the electronic device, as shown in fig. 4, where fig. 4 is another schematic diagram of the data adjustment chart in the embodiment of S31 shown in fig. 1. And calculating the difference value between the set volume of 10dB and the original volume of 20dB of the frequency band to be processed to obtain the preset noise reduction of 10dB of the frequency band to be processed.
On the one hand, the preset noise reduction amount of each to-be-processed frequency band may be any value freely set by the user, for example, if the original volume of a certain to-be-processed frequency band is 20dB, the preset noise reduction amount may be set to any value between 0 and 20dB required by the user, and is not limited to a plurality of fixed values of the inherent noise reduction mode or the pass-through mode. Therefore, the noise reduction control method enables a user to carry out full-freedom customized setting on the preset noise reduction amount of the frequency band to be processed according to the self requirement, and is beneficial to improving the freedom degree of noise control.
On the other hand, the preset noise reduction amounts of the respective bands to be processed may be set to different values, for example, the preset noise reduction amount of one of the bands to be processed may be set to 10dB, and the preset noise reduction amount of another band to be processed may be set to 20dB, so that in a complex noise environment, a user may selectively receive or selectively shield some environmental noises in the bands to be processed, and thus, the special requirements of the user may be met, but the method is not limited to noise control only through the inherent noise reduction mode or the transparent mode.
For example, when the environmental noise includes mechanical noise in a passive noise reduction region and a baby cry, the user may selectively eliminate the mechanical noise and receive the baby cry. Therefore, the noise reduction control method can flexibly meet different noise reduction requirements of users on various environmental noises.
In some embodiments, the preset noise reduction amount of the frequency band to be processed may be automatically set by the electronic device. For example, an automatic setting button may be further displayed on the display interface of the electronic device, and the user may click the automatic setting button, and the electronic device may automatically set the noise reduction amount of each to-be-processed frequency band according to the monitored environmental noise in response to the click operation. On the basis, the operation of the user can be further responded, and the automatically set noise reduction amount is further adjusted to adapt to the specific requirements of the user.
In some embodiments, the preset noise reduction amount of the frequency band to be processed may also be sent by other electronic devices or obtained from a cloud. After the electronic device receives the preset noise reduction amount, the user can also adjust the received preset noise reduction amount to form a final preset noise reduction amount.
S50: and comparing the preset noise reduction amount of the frequency band to be processed with the corresponding passive noise reduction amount to obtain a comparison result.
In this embodiment, the earphone may be an in-ear earphone, a headphone or a semi-in-ear earphone. When the earphone is worn, the noise of some frequency bands is isolated physically due to the characteristics of the structure, the material and the like of the earphone, and the earphone also has a passive noise reduction function.
Referring to fig. 2, fig. 2 is a schematic diagram illustrating a relationship between a passive noise reduction amount and a frequency of a passive noise reduction region. The passive noise reduction region may refer to a frequency range in which the passive noise reduction function of the headphone can function, and is determined by the characteristics of the headphone itself, which is not limited in the present application. The passive noise reduction area of the earphone is relatively stable when the earphone is worn correctly after being manufactured. The passive noise reduction areas of different headphones may differ due to their respective characteristics.
For example, the preset lowest frequency of the passive noise reduction region may be 500Hz, and the preset highest frequency may be 10000Hz, that is, the frequency range of the passive noise reduction region may be between 500Hz and 10000 Hz. That is, in the frequency range of 10-500Hz, there is no passive noise reduction amount, or the passive noise reduction amount is 0, and in the frequency range of 500-10000Hz, there is passive noise reduction amount, or the passive noise reduction amount is greater than 0.
Further, before S50, it is necessary to determine whether a corresponding passive noise reduction amount exists in the frequency band to be processed, please refer to fig. 11, where fig. 11 is another flow diagram of the noise reduction control method shown in fig. 1, which can be specifically implemented by the following steps before S50:
s40: and judging whether the frequency band to be processed is in a passive noise reduction area.
In some embodiments, S40 may be implemented by:
and judging whether the highest frequency value of the frequency band to be processed is greater than a first threshold value. The first threshold is a preset lowest frequency of the passive noise reduction region. As mentioned above, the preset lowest frequency of the passive noise reduction region may refer to the lowest frequency value that the passive noise reduction function of the headphone can function, and is a performance parameter of the headphone itself. In some headsets, the first threshold may be adjusted manually. In some embodiments, the first threshold may be built into a client of the electronic device, such as a corresponding APP on a smartphone.
And if the highest frequency value of the frequency band to be processed is greater than the first threshold value, the frequency band to be processed is in the passive noise reduction area. Specifically, if the highest frequency value of the frequency band to be processed is greater than the first threshold, it indicates that the frequency band to be processed is at least partially located in the passive noise reduction region. And if the highest frequency value of the frequency band to be processed is less than or equal to the first threshold value, the frequency band to be processed is not in the passive noise reduction area.
S41: if yes, go to S50.
As shown in fig. 2, the frequency range of the passive noise reduction region may be between 500-10000Hz, and in the frequency range, the passive noise reduction amount of the passive noise reduction region may gradually increase with increasing frequency and then be approximately kept at a constant value. For sounds of the same frequency, the passive noise reduction amount is approximately a constant value.
The relationship between the passive noise reduction amount and the frequency of the passive noise reduction region is determined by the characteristics of the headphone itself, and the above description of the relationship between the passive noise reduction amount and the frequency of the passive noise reduction region is only an example and is not a limitation of the present application, and those skilled in the art can select the relationship according to actual needs.
The earphone itself is from taking passive noise reduction effect, for example the ear muff, the earcap etc. of earphone, wear to play certain passive noise reduction effect promptly after the earphone, consequently the earphone all has corresponding passive noise reduction volume in every frequency channel. When the frequency band to be processed is in the passive noise reduction region, if the preset noise reduction amount of a certain frequency band to be processed is equal to the corresponding passive noise reduction amount, it indicates that the noise reduction requirement has been met, and further noise control processing is not needed to be performed on the frequency band to be processed. If the preset noise reduction amount of a certain frequency band to be processed is larger than the corresponding passive noise reduction amount, it is indicated that the noise reduction requirement cannot be met by the single passive noise reduction, and active noise reduction processing needs to be further performed on the frequency band to be processed. If the preset noise reduction amount of a certain frequency band to be processed is smaller than the corresponding passive noise reduction amount, it is indicated that the frequency band to be processed is the sound that needs to be heard by the user, and the passive noise reduction elimination processing needs to be performed on the frequency band to be processed, so as to eliminate the passive noise reduction amount generated by the inherent passive noise reduction function of the earphone.
S42: if not, generating a second control parameter according to the preset noise reduction amount, and sending the second control parameter to the earphone, so that the earphone carries out active noise reduction processing with the noise reduction amount as the preset noise reduction amount on the frequency band to be processed.
When the frequency band to be processed is not in the passive noise reduction region, the second frequency band to be processed does not have a corresponding passive noise reduction amount, or the corresponding passive noise reduction amount is 0. The electronic device can directly generate a second control parameter according to the preset noise reduction amount and send the second control parameter to the earphone, so that the earphone can perform active noise reduction processing with the noise reduction amount as the preset noise reduction amount on the second frequency band to be processed according to the second control parameter.
The noise reduction control method respectively carries out different noise control processing on the frequency band to be processed in the passive noise reduction area and the frequency band to be processed not in the passive noise reduction area, and is beneficial to improving the noise reduction accuracy, so that the actual noise reduction amount is matched with the preset noise reduction amount.
S70: and generating a first control parameter according to the comparison result so as to achieve the preset noise reduction amount.
The first control parameter generated by the electronic device may be used to correspondingly adjust a relevant setting or parameter of the headset, so that the headset may perform noise control processing on the frequency band to be processed according to the first control parameter.
For the fixed mode of making an uproar (completely isolated) or penetrating mode (introducing external noise completely) of making an uproar among the prior art, generate corresponding first control parameter according to the comparative result, can carry out different noise control to the different pending frequency channels of comparative result and handle for it is more nimble to fall the control of making an uproar, and is more pointed, also more can adapt to different ambient noise.
For example, as for the comparison result, active noise reduction processing may be performed on one of the bands to be processed, and passive noise reduction elimination processing may be performed on the other band to be processed, without being limited to the inherent noise reduction mode or the pass-through mode, so that the active noise reduction processing and the passive noise reduction elimination processing may coexist and cooperate with each other, thereby breaking through the limitation of the conventional fixed noise reduction mode or the pass-through mode, and making noise reduction control more flexible.
Specifically, S70 may be implemented by the following steps:
s71: and if the preset noise reduction amount of the frequency band to be processed is larger than the corresponding passive noise reduction amount, generating a first sub-control parameter for performing active noise reduction processing on the frequency band to be processed so as to further reduce noise.
The step of generating the first sub-control parameter in S71 may be implemented by the following steps:
S711: and calculating a first difference value between the preset noise reduction amount of the frequency band to be processed and the corresponding passive noise reduction amount.
S712: and generating a first sub-control parameter according to the first difference value so as to be used for carrying out active noise reduction processing with the noise reduction quantity as the first difference value on the frequency band to be processed.
For example, if the preset noise reduction amount of the frequency band to be processed is 20dB and the corresponding passive noise reduction amount is 10dB, it indicates that the noise reduction requirement of the user cannot be met by the single passive noise reduction, and further active noise reduction processing needs to be performed on the frequency band to be processed.
The "active noise reduction processing" mentioned in this embodiment may refer to: the earphone collects the ambient noise by using an external and/or internal microphone (namely, feedforward and feedback combined noise reduction technology), and sounds with the same size and opposite phases are played by a loudspeaker to offset the effect of the ambient noise, so that a user is prevented from being interfered by external sounds.
Specifically, the electronic device may calculate a first difference value 10dB between a preset noise reduction amount of the frequency band to be processed and a corresponding passive noise reduction amount, and then generate a first sub-control parameter according to the first difference value 10dB, and the earphone may further perform active noise reduction processing with the noise reduction amount being the first difference value on the frequency band to be processed according to the first sub-control parameter, so as to meet the preset noise reduction amount.
S72: and if the preset noise reduction amount of the frequency band to be processed is smaller than the corresponding passive noise reduction amount, generating a second sub-control parameter for carrying out passive noise reduction elimination processing on the frequency band to be processed so as to eliminate the passive noise reduction amount.
The step of generating the second sub-control parameter in S72 may be implemented by the following steps:
s721: and calculating a second difference value between the passive noise reduction amount of the frequency band to be processed and the corresponding preset noise reduction amount.
S722: and generating a second sub-control parameter according to the second difference value so as to perform passive noise reduction elimination processing with the elimination quantity of the frequency band to be processed being the second difference value.
For example, if the preset noise reduction amount of the frequency band to be processed is 5dB and the corresponding passive noise reduction amount is 10dB, it indicates that the inherent passive noise reduction function of the headphone masks the sound that the user desires to hear, and it is necessary to further eliminate the passive noise reduction amount generated by the inherent passive noise reduction function of the headphone.
The "passive noise reduction and elimination processing" mentioned in this embodiment may refer to: the earphone uses an external microphone to collect environmental sound and introduces the environmental sound to a loudspeaker for playing so as to offset the passive noise reduction effect formed by wearing the earphone, and a user can clearly hear external sound.
Specifically, the electronic device may first calculate a second difference 5dB between the passive noise reduction amount of the frequency band to be processed and the corresponding preset noise reduction amount, and then generate a second sub-control parameter according to the second difference 5dB, and the earphone may further perform passive noise reduction elimination processing with the elimination amount of the second difference on the frequency band to be processed according to the second sub-control parameter, so as to meet the preset noise reduction amount.
For the fixed noise reduction mode (isolated) or the transparent mode (completely introducing the external noise) in the prior art, the embodiment performs active noise reduction processing on the frequency band to be processed, in which the preset noise reduction amount is greater than the corresponding passive noise reduction amount, by comparing the preset noise reduction amount of the frequency band to be processed with the corresponding passive noise reduction amount, and performs passive noise reduction elimination processing on the frequency band to be processed, in which the preset noise reduction amount is less than the corresponding passive noise reduction amount.
In the embodiment, by establishing the composite noise reduction system with active noise reduction processing and passive noise reduction elimination processing, different noise control processing can be flexibly performed on each to-be-processed frequency band in a passive noise reduction area, and different noise reduction requirements of a user on different to-be-processed frequency bands can be more flexibly and effectively met in a complex noise environment.
Referring to fig. 5 and fig. 6, fig. 5 is a graph showing the relationship between the frequency and the passive noise reduction region and the active noise reduction region, and fig. 6 is a graph showing the relationship between the frequency and the active noise reduction amount of the active noise reduction region.
The active noise reduction region may refer to a frequency range in which an active noise reduction function of the headphone can function, and is determined by characteristics of the headphone itself, which is not limited in the present application. For example, the predetermined lowest frequency of the active noise reduction region may be 10Hz, and the predetermined highest frequency may be 1000Hz, that is, the frequency range of the active noise reduction region may be between 10Hz and 1000Hz, and the active noise reduction process cannot act on the ambient noise with a frequency higher than 1000 Hz.
For sound with the same frequency, the magnitude of the active noise reduction amount may be changed according to the parameter setting of the headphone, as shown in fig. 6, three curves are shown in fig. 6, which respectively represent the relationship between the active noise reduction amount and the frequency of the headphone under different parameter settings.
Within the frequency range of 500-. And the other part of the frequency range can not be actively denoised by the active denoising technology. In other words, there are overlapping frequency bands for the passive noise reduction region and the active noise reduction region.
Further, in S70, it is further necessary to further determine whether active noise reduction processing can be performed on the frequency band to be processed in the passive noise reduction region, please refer to fig. 11, which can be specifically implemented by the following steps included in S70:
s701: and judging whether the frequency band to be processed is in an active noise reduction area.
In some embodiments, S701 may be implemented by:
and judging whether the lowest frequency value of the frequency band to be processed is greater than or equal to a second threshold value, wherein the second threshold value is the preset highest frequency of the active noise reduction region. As mentioned above, the preset maximum frequency of the active noise reduction region may refer to the maximum frequency value that the active noise reduction function of the headphone can function, and is a performance parameter of the headphone itself. In some headsets, the second threshold may be adjusted manually. In some embodiments, the second threshold may be built into a client of the electronic device, such as a corresponding APP on a smartphone.
And if the lowest frequency value of a certain frequency band to be processed is smaller than a second threshold value, the frequency band to be processed is in an active noise reduction area. Specifically, the frequency band to be processed is at least partially located in an active noise reduction region, and the active noise reduction processing can perform a noise reduction function on the frequency band to be processed. If the lowest frequency value of a certain frequency band to be processed is greater than or equal to the second threshold value, it indicates that the active noise reduction processing cannot perform the noise reduction function on the frequency band to be processed, and the frequency band to be processed is not in the active noise reduction area.
S702: if so, then S71 and S72 are performed.
S703: if not, when the preset noise reduction amount of the frequency band to be processed is larger than the corresponding passive noise reduction amount, the active noise reduction processing is not carried out on the frequency band to be processed, and when the preset noise reduction amount of the frequency band to be processed is smaller than the corresponding passive noise reduction amount, a second sub-control parameter is generated to be used for carrying out passive noise reduction elimination processing on the frequency band to be processed so as to eliminate the passive noise reduction amount.
The step of generating the second sub-control parameter in S703 may be the same as or similar to the step of generating the second sub-control parameter in S72, and is not described herein again.
S90: and sending the first control parameter to the earphone so that the earphone performs noise control processing on the frequency band to be processed according to the first control parameter.
As described above, the electronic device and the headset may be connected through a wired connection or a wireless communication manner such as bluetooth, and therefore, the electronic device can transmit the first control parameter to the headset. And the earphone receives the first control parameter, and then noise control processing is carried out on the frequency band to be processed according to the first control parameter.
The electronic equipment obtains a comparison result by comparing the preset noise reduction amount of the frequency band to be processed with the corresponding passive noise reduction amount, so that the type of noise control processing required by the frequency band to be processed, such as active noise reduction processing or passive noise reduction elimination processing, can be flexibly identified. And the electronic equipment further generates a first control parameter for reaching the preset noise reduction amount according to the comparison result, and sends the first control parameter to the earphone, and the earphone performs noise control processing on the frequency band to be processed according to the first control parameter. Compared with a fixed noise reduction mode or a transparent mode, the noise reduction control method is more flexible, more targeted and more adaptable to different environment noises.
In summary, the noise reduction control method provided in this embodiment establishes a composite debugging system with active noise reduction processing and passive noise reduction elimination processing, so that the noise isolation amount of the earphone can be freely adjusted in the full frequency band of 10-10000 Hz.
Referring to fig. 7, fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. The electronic device 100 may include a display screen 110, a processor 120, a memory 130, and a communication circuit 140, the display screen 110 and the memory 130 coupled to the processor 120 through the communication circuit 140, the electronic device 100 communicating with the headset through the communication circuit 140. The memory 130 stores computer instructions, and the processor 120 executes any one of the above noise reduction control methods when executing the computer instructions.
The processor 120 is used for operation of the electronic device 100, and the processor 120 may also be referred to as a Central Processing Unit (CPU). The processor 120 may be an integrated circuit chip having signal processing capabilities. The processor 120 may also be a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components. A general purpose processor may be a microprocessor or the processor 120 may be any conventional processor or the like.
The communication circuit 140 may be an interface, such as a transceiver, for the electronic device 100 to communicate with a headset or other electronic device. Memory 130 may include Random Access Memory (RAM), read-only memory (ROM), flash memory, erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), registers, a hard disk, a removable disk, a CD-ROM, and so forth. Memory 130 may store program data, which may include a single instruction, or many instructions, for example, and may be distributed over several different code segments, among different programs, and across multiple memories 130. A memory 130 may be coupled to the processor 120 such that the processor 120 can read information from, and write information to, the memory 130. Of course, the memory 130 may be integral to the processor 120.
Referring to fig. 8, fig. 8 is a schematic flowchart illustrating a noise reduction control method according to another embodiment of the present application. The noise reduction control method described in this embodiment may be applied to an earphone, and specifically may include the following steps:
s210: receiving a first control parameter, wherein the first control parameter is obtained by an electronic device after obtaining environmental noise, obtaining a preset noise reduction amount of a frequency band to be processed in the environmental noise, comparing the preset noise reduction amount of the frequency band to be processed with a corresponding passive noise reduction amount to obtain a comparison result, and generating the comparison result according to the comparison result to achieve the preset noise reduction amount.
S220: and carrying out noise control processing on the frequency band to be processed according to the first control parameter.
Specifically, the headset in the present application may include a feedforward microphone, a feedback microphone, an active noise reduction filter, a passive noise reduction cancellation filter, a speaker, and a bluetooth module. Wherein, the bluetooth module is used for receiving control parameter. As described previously, the control parameter may include a first control parameter (including a first sub-control parameter and a second sub-control parameter) and a second control parameter. The active noise reduction filter may include a first noise reduction filter and a second noise reduction filter.
Referring to fig. 9, fig. 9 is a schematic diagram of a noise reduction process of an embodiment of the earphone according to the present application.
For the frequency band to be processed in the overlapped area of the active noise reduction area and the passive noise reduction area, when the preset noise reduction amount is larger than the corresponding passive noise reduction amount, the Bluetooth module receives a first sub-control parameter from the electronic equipment, the first noise reduction filter controls the input signal gain of the feedforward microphone according to the first sub-control parameter, and the second noise reduction filter controls the input signal gain of the feedback microphone according to the first sub-control parameter, so that the active noise reduction processing capable of reaching the preset noise reduction amount is carried out on the frequency band to be processed.
For the frequency band to be processed in the overlapped area of the active noise reduction area and the passive noise reduction area, when the preset noise reduction amount is smaller than the corresponding passive noise reduction amount, the Bluetooth module receives a second sub-control parameter from the electronic equipment, and the passive noise reduction filter controls the gain of the input signal of the feedforward microphone according to the second sub-control parameter so as to perform passive noise reduction elimination processing capable of achieving the preset noise reduction amount on the frequency band to be processed.
For the frequency band to be processed which is in the active noise reduction area but not in the passive noise reduction area, the Bluetooth module receives a second control parameter from the electronic equipment, the first noise reduction filter controls the gain of the input signal of the feedforward microphone according to the second control parameter, and the second noise reduction filter controls the gain of the input signal of the feedback microphone according to the second control parameter, so that the frequency band to be processed is subjected to active noise reduction processing which can reach the preset noise reduction amount.
For the frequency band to be processed which is in the passive noise reduction area but not in the active noise reduction area, when the preset noise reduction amount is smaller than the corresponding passive noise reduction amount, the Bluetooth module receives a second sub-control parameter from the electronic equipment, and the passive noise reduction filter controls the input signal gain of the feedforward microphone according to the second sub-control parameter so as to perform passive noise reduction elimination processing which can reach the preset noise reduction amount on the frequency band to be processed.
In the several embodiments provided in the present application, it should be understood that the disclosed noise reduction control method may be implemented in other manners. For example, the above-described embodiments of the electronic device are merely illustrative, and for example, a module or a unit may be divided into only one logic function, and may be implemented in other ways, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some interfaces, and may be in an electrical, mechanical or other form.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
Referring to fig. 10, fig. 10 is a schematic structural diagram of an embodiment of the computer-readable storage device of the present application, and the integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer-readable storage device 200 with a storage function. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a computer-readable storage device 200 and includes computer instructions (program data) for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present invention. The aforementioned computer-readable storage device 200 includes: various storage media such as a usb disk, a portable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, and electronic devices such as a computer, a mobile phone, a notebook computer, a tablet computer, and a camera having the storage media.
The above description is only a part of the embodiments of the present application, and not intended to limit the scope of the present application, and all equivalent devices or equivalent processes performed by the content of the present application and the attached drawings, or directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (10)
1. A noise reduction control method, characterized by comprising:
acquiring environmental noise, wherein the environmental noise comprises a frequency band to be processed;
acquiring a preset noise reduction amount of the frequency band to be processed, wherein the preset noise reduction amount corresponds to the noise reduction requirement of a user on the frequency band to be processed;
comparing the preset noise reduction amount of the frequency band to be processed with the corresponding passive noise reduction amount to obtain a comparison result;
generating a first control parameter according to the comparison result, so as to perform active noise reduction processing or passive noise reduction elimination processing on the frequency band to be processed, thereby achieving the preset noise reduction amount;
and sending the first control parameter to an earphone so that the earphone performs noise control processing on the frequency band to be processed according to the first control parameter.
2. The noise reduction control method according to claim 1,
The generating a first control parameter according to the comparison result includes:
if the preset noise reduction amount of the frequency band to be processed is larger than the corresponding passive noise reduction amount, generating a first sub-control parameter for performing active noise reduction processing on the frequency band to be processed so as to further reduce noise;
and if the preset noise reduction amount of the frequency band to be processed is smaller than the corresponding passive noise reduction amount, generating a second sub-control parameter for carrying out passive noise reduction elimination processing on the frequency band to be processed so as to eliminate the passive noise reduction amount.
3. The noise reduction control method according to claim 2,
the generating of the first sub-control parameter includes:
calculating a first difference value between the preset noise reduction amount of the frequency band to be processed and the corresponding passive noise reduction amount;
generating the first sub-control parameter according to the first difference value, so as to perform active noise reduction processing with noise reduction amount as the first difference value on the frequency band to be processed;
the generating of the second sub-control parameter includes:
calculating a second difference value between the passive noise reduction amount of the frequency band to be processed and the corresponding preset noise reduction amount;
and generating the second sub-control parameter according to the second difference value so as to perform passive noise reduction elimination processing with the elimination quantity of the frequency band to be processed being the second difference value.
4. The noise reduction control method according to claim 2,
the generating a first control parameter according to the comparison result includes:
judging whether the frequency band to be processed is in an active noise reduction area;
if so, executing the first sub-control parameter if the preset noise reduction amount of the frequency band to be processed is larger than the corresponding passive noise reduction amount, so as to perform active noise reduction processing on the frequency band to be processed, and further reduce noise; if the preset noise reduction amount of the frequency band to be processed is smaller than the corresponding passive noise reduction amount, generating a second sub-control parameter for performing passive noise reduction elimination processing on the frequency band to be processed so as to eliminate the passive noise reduction amount;
if not, when the preset noise reduction amount of the frequency band to be processed is larger than the corresponding passive noise reduction amount, not performing active noise reduction processing on the frequency band to be processed, and when the preset noise reduction amount of the frequency band to be processed is smaller than the corresponding passive noise reduction amount, generating a second sub-control parameter for performing passive noise reduction elimination processing on the frequency band to be processed so as to eliminate the passive noise reduction amount.
5. The noise reduction control method according to claim 1,
The comparison between the preset noise reduction amount of the frequency band to be processed and the corresponding passive noise reduction amount further comprises:
judging whether the frequency band to be processed is in a passive noise reduction area;
if yes, comparing the preset noise reduction amount of the frequency band to be processed with the corresponding passive noise reduction amount;
if not, generating a second control parameter according to the preset noise reduction amount, and sending the second control parameter to the earphone, so that the earphone carries out active noise reduction processing on the frequency band to be processed, wherein the noise reduction amount is the preset noise reduction amount.
6. The noise reduction control method according to claim 1,
the acquiring of the preset noise reduction amount of the frequency band to be processed includes:
and acquiring a noise reduction setting instruction of the user to the frequency band to be processed, and generating the preset noise reduction.
7. The noise reduction control method according to claim 6,
the ambient noise comprises a plurality of frequency bands to be processed,
the acquiring ambient noise comprises:
picking up the ambient noise through a microphone of the earphone, or receiving the ambient noise picked up by the earphone.
8. A noise reduction control method, characterized by comprising:
Receiving a first control parameter, wherein the first control parameter is obtained by an electronic device after obtaining environmental noise, obtaining a preset noise reduction amount of a frequency band to be processed in the environmental noise, comparing the preset noise reduction amount of the frequency band to be processed with a corresponding passive noise reduction amount to obtain a comparison result, and generating the comparison result according to the comparison result, and the comparison result is used for performing active noise reduction processing or passive noise reduction elimination processing on the frequency band to be processed so as to achieve the preset noise reduction amount;
and carrying out noise control processing on the frequency band to be processed according to the first control parameter.
9. An electronic device comprising a display screen, a processor, a memory, and communication circuitry, the display screen and the memory coupled to the processor through the communication circuitry, the electronic device in communication with a headset through the communication circuitry;
the memory having stored therein computer instructions;
the processor, when executing the computer instructions, performs the noise reduction control method of any of claims 1 to 7.
10. A computer-readable storage device storing computer instructions executable by a processor, the computer instructions when executed by the processor being capable of implementing the noise reduction control method of any one of claims 1 to 7.
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| CN202110613689.5A CN113490089B (en) | 2021-06-02 | 2021-06-02 | Noise reduction control method, electronic device and computer readable storage device |
| PCT/CN2022/083432 WO2022252781A1 (en) | 2021-06-02 | 2022-03-28 | Noise reduction control method, electronic device, and computer-readable storage apparatus |
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| CN114390391B (en) * | 2021-12-29 | 2023-10-27 | 联想(北京)有限公司 | Audio processing method and equipment |
| CN116320176B (en) * | 2023-05-16 | 2023-08-15 | 泰坦(天津)能源技术有限公司 | Processing method and system for improving underground voice recognition accuracy |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7120211B2 (en) * | 2002-03-21 | 2006-10-10 | Conexant, Inc. | Adaptive RFI canceller for DSL |
| CN102348151B (en) * | 2011-09-10 | 2015-07-29 | 歌尔声学股份有限公司 | Noise canceling system and method, intelligent control method and device, communication equipment |
| CN105120389B (en) * | 2015-08-17 | 2019-07-12 | 惠州Tcl移动通信有限公司 | A kind of method and earphone carrying out noise reduction process according to scene |
| CN105376668B (en) * | 2015-11-24 | 2018-11-16 | 广东欧珀移动通信有限公司 | A kind of earphone noise-reduction method and device |
| CN106535027B (en) * | 2016-12-30 | 2020-01-31 | 佳禾智能科技股份有限公司 | Device for monitoring noise reduction effect of noise reduction earphone and active noise reduction earphone capable of adjusting noise reduction effect |
| EP3611933A1 (en) * | 2017-01-05 | 2020-02-19 | Harman Becker Automotive Systems GmbH | Active noise reduction earphones |
| CN108551604B (en) * | 2018-04-26 | 2021-05-07 | 海尔优家智能科技（北京）有限公司 | Noise reduction method, noise reduction device and noise reduction earphone |
| CN108847208B (en) * | 2018-05-04 | 2020-11-27 | 歌尔科技有限公司 | Noise reduction processing method and device and earphone |
| CN108882092A (en) * | 2018-07-03 | 2018-11-23 | 歌尔智能科技有限公司 | A kind of earphone noise-reduction method and feedback noise reduction system |
| CN109714663B (en) * | 2018-12-21 | 2020-05-22 | 歌尔科技有限公司 | Earphone control method, earphone and storage medium |
| CN110475170A (en) * | 2019-07-10 | 2019-11-19 | 深圳壹账通智能科技有限公司 | Control method, device, mobile terminal and the storage medium of earphone broadcast state |
| CN110650412A (en) * | 2019-10-17 | 2020-01-03 | 陕西金蝌蚪智能科技有限公司 | Drying processing method and device, terminal and storage medium |
| CN111754969B (en) * | 2020-07-06 | 2023-06-16 | 歌尔科技有限公司 | Noise reduction method and device, electronic equipment and noise reduction system |
| CN112839278A (en) * | 2020-12-28 | 2021-05-25 | 广州番禺巨大汽车音响设备有限公司 | Bluetooth headset noise reduction method and device based on ANC noise reduction and Bluetooth headset |
| CN112637724B (en) * | 2020-12-29 | 2023-08-08 | 西安讯飞超脑信息科技有限公司 | Earphone noise reduction method, system and storage medium |
| CN113490089B (en) * | 2021-06-02 | 2022-07-29 | 安克创新科技股份有限公司 | Noise reduction control method, electronic device and computer readable storage device |
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