CN104602157A - Earphone noise reduction method and device - Google Patents
Earphone noise reduction method and device Download PDFInfo
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- CN104602157A CN104602157A CN201510043449.0A CN201510043449A CN104602157A CN 104602157 A CN104602157 A CN 104602157A CN 201510043449 A CN201510043449 A CN 201510043449A CN 104602157 A CN104602157 A CN 104602157A
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- frequency
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Abstract
The invention is applicable to the field of earphone noise reduction and provides an earphone noise reduction method and device. The earphone noise reduction method includes: acquiring current noise frequency; judging whether the frequency is in the preconfigured frequency range, wherein the frequency range comprises the frequency heard by a user; on yes judgment, calling the noise reduction mode and setting the noise reduction level that the frequency corresponds to according to the frequency. The earphone noise reduction method and device solves the problem in the existing earphone noise reduction mode that preferable noise reduction mode selection and different noise reduction level setting cannot be achieved according to the sound frequency heard by the user, and noise cannot be eliminated effectively. Under the condition that an earphone is used normally, the current noise reduction mode can be switched to the preferable noise reduction mode quickly, the electric quantity of the earphone is saved, and the noise reduction efficiency is improved.
Description
Technical field
The invention belongs to earphone noise reduction field, particularly relate to a kind of earphone noise-reduction method and device.
Background technology
Noise pollution one of is polluted greatly as internationally recognized four, and along with the development of urbanization and the progress of technology, noise pollution also becomes more serious.When earphone audio plays, by noise reduction mode, reduce noise, the hearing of protection user.Wherein, noise reduction mode comprises active noise reduction mode and passive noise reduction mode.
But existing earphone noise-reduction method, the sound frequency cannot heard according to individual subscriber, adopts preferred noise reduction mode, arranges different noise reduction ranks, is unfavorable for effectively abating the noise.Its reason is, existing earphone noise-reduction method, is all directly to use active noise reduction mode or directly use passive noise reduction mode to carry out noise reduction.And noise reduction mode and passive noise reduction mode, the frequency range of its noise reduction is all restricted.For different users, the sound frequency that its people hears is not identical yet.When the noise reduction mode adopted, when the frequency of its noise reduction does not belong to the audio frequency range that individual subscriber hears, the frequency can not heard user carries out noise reduction, namely there is the situation that cannot abate the noise, is therefore unfavorable for effectively abating the noise.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of earphone noise-reduction method, be intended to solve existing earphone noise-reduction method, the sound frequency cannot heard according to individual subscriber, adopt preferred noise reduction mode, different noise reduction ranks is set, is unfavorable for the problem that effectively abates the noise.
The embodiment of the present invention is achieved in that a kind of earphone noise-reduction method, comprising:
Obtain the frequency of current noise;
Judge whether described frequency is in pre-configured frequency range, described frequency range comprises the frequency that individual subscriber is heard;
When described frequency is in pre-configured frequency range, according to described frequency coordination noise reduction mode, the noise reduction rank that described frequency is corresponding is set.
Another object of the embodiment of the present invention is to provide a kind of noise reduction device of earphone, comprising:
Frequency acquisition module, for obtaining the frequency of current noise;
Judge module, for judging whether described frequency is in pre-configured frequency range, described frequency range comprises the frequency that individual subscriber is heard;
Noise reduction module, for when described frequency is in pre-configured frequency range, according to described frequency coordination noise reduction mode, arranges the noise reduction rank that described frequency is corresponding.
In embodiments of the present invention, when frequency is in pre-configured frequency range, according to frequency coordination noise reduction mode, the noise reduction rank that described frequency is corresponding is set, solve existing earphone noise-reduction method, the sound frequency cannot heard according to individual subscriber, adopt preferred noise reduction mode, different noise reduction ranks is set, be unfavorable for the problem that effectively abates the noise, when earphone normally uses, fast current noise reduction mode can be switched to preferred noise reduction mode, thus both saved the electricity of earphone, also improve the noise reduction efficacy of noise.
Accompanying drawing explanation
Fig. 1 is the realization flow figure of the earphone noise-reduction method that the embodiment of the present invention provides;
Fig. 2 is the realization flow figure of the configuration frequency scope that the embodiment of the present invention provides;
Fig. 3 is the first realization flow figure of the earphone noise-reduction method step S103 that the embodiment of the present invention provides;
Fig. 4 is the second realization flow figure of the earphone noise-reduction method step S103 that the embodiment of the present invention provides;
Fig. 5 is the structured flowchart of the noise reduction device of earphone that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
embodiment one
Fig. 1 is the realization flow figure of the earphone noise-reduction method that the embodiment of the present invention provides, and details are as follows:
In step S101, obtain the frequency of current noise;
In step s 102, judge whether described frequency is in pre-configured frequency range, described frequency range comprises the frequency that individual subscriber is heard;
Before step S101, or before step S102, configuration frequency scope.
Frequency range can be stored in local device, or is stored in the webserver.
When being stored in the webserver, by receiving the identifying information of user's input, recall frequency range corresponding to this identifying information according to this identifying information from webserver medium-long range.
Wherein, identifying information includes but not limited to ID card No., membership number, fingerprint, the palmmprint of user.
In step s 103, when described frequency is in pre-configured frequency range, according to described frequency coordination noise reduction mode, the noise reduction rank that described frequency is corresponding is set.
According to the corresponding relation of frequency and noise reduction rank, the noise reduction rank that described frequency is corresponding is set.
In the corresponding relation of frequency and noise reduction rank, frequency is lower, and corresponding noise reduction rank is higher, and frequency is higher, and corresponding noise reduction rank is lower.
In embodiments of the present invention, solve existing earphone noise-reduction method, the sound frequency cannot heard according to individual subscriber, adopt preferred noise reduction mode, different noise reduction ranks is set, is unfavorable for the problem that effectively abates the noise, when earphone normally uses, fast current noise reduction mode can be switched to preferred noise reduction mode, thus both save the electricity of earphone, also improve the noise reduction efficacy of noise.
embodiment two
Fig. 2 is the realization flow figure of the configuration frequency scope that the embodiment of the present invention provides, and details are as follows:
In step s 201, play the sound of different frequency, the sound of described different frequency comprises the sound of low frequency, intermediate frequency, high frequency;
In step S202, the frequency that recording user is heard in the sound of described different frequency;
By record control, when being recorded to the confirmation that user manually inputs, using the frequency that the frequency of the sound of current broadcasting is heard as user.
In step S203, according to the frequency heard, configuration frequency scope.
By the height of frequency, the frequency heard is sorted, choose sequence minimum frequency and the highest frequency, formation frequency range, the frequency making frequency range comprise individual subscriber to hear
In embodiments of the present invention, configuration frequency scope, because each frequency range is only corresponding with this user, therefore during follow-up noise reduction, can be pointed, the demand of individual subscriber can be adapted to, thus can effective noise reduction, improve the noise reduction efficacy of noise.
embodiment three
Fig. 3 is the first realization flow figure of the earphone noise-reduction method step S103 that the embodiment of the present invention provides, and details are as follows:
In step S301, when described frequency is in pre-configured frequency range, judge whether described frequency belongs to low frequency;
In step s 302, when described frequency belongs to low frequency, active noise reduction mode is called;
In step S303, controlling current noise reduction mode is active noise reduction mode, and arranges noise reduction rank corresponding to described frequency.
Wherein, the noise reduction rank that described frequency is corresponding is set, is specially:
When described frequency is less than default low frequency threshold values, the noise reduction rank arranging described frequency corresponding is high, and when described frequency is not less than default low frequency threshold values, the noise reduction rank arranging described frequency corresponding is low.
In embodiments of the present invention, adopt active noise reduction mode, can the noise of filter out low frequency, the noise reduction rank that frequency is corresponding is set, can the noise of filter out low frequency further, thus the switching efficiency of raising noise reduction mode.
embodiment four
Fig. 4 is the second realization flow figure of the earphone noise-reduction method step S103 that the embodiment of the present invention provides, and details are as follows:
In step S401, when described frequency is in pre-configured frequency range, judge whether described frequency belongs to medium-high frequency;
In step S402, when described frequency belongs to medium-high frequency, call passive noise reduction mode;
In step S403, controlling current noise reduction mode is passive noise reduction mode, and arranges noise reduction rank corresponding to described frequency.
Wherein, the noise reduction rank that described frequency is corresponding is set, is specially:
When described frequency is less than default medium-high frequency threshold values, the noise reduction rank arranging described frequency corresponding is high, and when described frequency is not less than default medium-high frequency threshold values, the noise reduction rank arranging described frequency corresponding is low.
Passive noise reduction mode is exactly in fact manual adjustments earphone itself, such as, regulate the sponge of earmuff, regulate the elasticity etc. worn.If In-Ear Headphones, then the size of earplug etc. can be regulated to change the sound insulation capabilities of earphone itself.
In embodiments of the present invention, adopt passive noise reduction mode, the noise of medium-high frequency can be filtered out, the noise reduction rank that frequency is corresponding is set, the noise of medium-high frequency can be filtered out further, thus improve the switching efficiency of noise reduction mode.
embodiment five
The embodiment of the present invention essentially describes the present invention's preferably implementing procedure in three different scenes, and details are as follows:
First scene, user is responsive to low-frequency sound, and details are as follows:
The hearing of test subscriber.User can't hear 20dB sound at 80Hz frequency place can hear the sound of 30dB, user can hear the sound of 20dB at 200Hz frequency place, user can hear the sound of 20dB at 400Hz frequency place, user can't hear 20dB sound at 600Hz frequency place can hear the sound of 30dB, user can't hear 20dB sound at 1000Hz frequency place can hear the sound of 30dB, user can't hear 20dB and 30dB sound at 1200Hz place can hear the sound of 40dB, and user can only hear the sound of 80dB at 1500Hz frequency place.
According to the test result of preset Algorithm Analysis user.Algorithm Analysis result be user to 80Hz, 200Hz, and the sound sensitive at 400Hz place, insensitive to the sound at 600Hz, 1000Hz, 1200Hz, 1500Hz frequency place.
Be the noise abatement that user sets in noise reduction rank according to analysis result.Higher by the susceptibility of the known user of analysis result to low-frequency sound, use active noise reduction mode, noise abatement is set to 18dB to 25dB.
Second scene, user's centering high-frequency sound is responsive, and details are as follows:
The hearing of test subscriber.User can't hear 40dB sound at 80Hz frequency place can hear the sound of 60dB, user can't hear 40dB sound at 200Hz frequency place can hear the sound of 60dB, user can't hear 40dB sound at 400Hz frequency place can hear the sound of 60dB, user can't hear 20dB sound at 600Hz frequency place can hear the sound of 30dB, user can hear the sound of 30dB at 1000Hz frequency place, user can hear the sound of 40dB at 1200Hz place, and user can only hear the sound of 80dB at 1500Hz frequency place.
According to the test result of preset Algorithm Analysis user.Algorithm Analysis result is the sound sensitive of user to 1000Hz and 1200Hz place, insensitive to the sound at all the other frequency places.
According to analysis result for user sets noise abatement.Higher by the susceptibility of the known user of analysis result to low-frequency sound, use passive noise reduction mode for user's stress release treatment.
3rd scene, user to low frequency and medium-high frequency sound all responsive, details are as follows:
The hearing of test subscriber.User can't hear 20dB sound at 80Hz frequency place can hear the sound of 40dB, user can the sound of 20dB at 200Hz frequency place, user can hear the sound of 20dB at 400Hz frequency place, user can hear the sound of 20dB at 600Hz frequency place, user can hear the sound of 20dB at 1000Hz frequency place, user can hear the sound of 20dB at 1200Hz place, and user can't hear 40dB place sound at 1500Hz frequency place hears the sound of 60dB.
According to the test result of preset Algorithm Analysis user.Algorithm Analysis result is that the sound of user to 1500Hz place is insensitive, all responsive to the sound at all the other frequency places.
According to analysis result for user sets noise abatement.Better by the known hearing user level of analysis result, to low-frequency sound and medium-high frequency sound all comparatively responsive, use active noise reduction mode to eliminate low frequency noise for user, passive noise reduction mode is the noise that user eliminates medium-high frequency.
embodiment six
Fig. 5 is the structured flowchart of the noise reduction device of earphone that the embodiment of the present invention provides, and this device can run in earphone.For convenience of explanation, illustrate only part related to the present embodiment.
With reference to Fig. 5, this noise reduction device of earphone, comprising:
Frequency acquisition module 51, for obtaining the frequency of current noise;
Judge module 52, for judging whether described frequency is in pre-configured frequency range, described frequency range comprises the frequency that individual subscriber is heard;
Noise reduction module 53, for when described frequency is in pre-configured frequency range, according to described frequency coordination noise reduction mode, arranges the noise reduction rank that described frequency is corresponding.
In a kind of implementation of the present embodiment, described noise reduction device of earphone, also comprises:
Sound broadcasting module, for playing the sound of different frequency, the sound of described different frequency comprises the sound of low frequency, intermediate frequency, high frequency;
Logging modle, the frequency heard in the sound of described different frequency for recording user;
Frequency range configuration module, for the frequency that basis is heard, configuration frequency scope.
In a kind of implementation of the present embodiment, described noise reduction mode comprises at least one in active noise reduction mode and passive noise reduction mode.
In a kind of implementation of the present embodiment, described earphone noise reduction module, comprising:
Low frequency judging unit, for when described frequency is in pre-configured frequency range, judges whether described frequency belongs to low frequency;
Active noise reduction mode call unit, for when described frequency belongs to low frequency, calls active noise reduction mode;
Active noise reduction unit is active noise reduction mode for controlling current noise reduction mode, and arranges noise reduction rank corresponding to described frequency.
In a kind of implementation of the present embodiment, described earphone noise reduction module, comprising:
Medium-high frequency judging unit, for when described frequency is in pre-configured frequency range, judges whether described frequency belongs to medium-high frequency;
Passive noise reduction mode call unit, for when described frequency belongs to medium-high frequency, calls passive noise reduction mode;
Passive noise reduction unit is passive noise reduction mode for controlling current noise reduction mode, and arranges noise reduction rank corresponding to described frequency.
Passive noise reduction unit, essence is used for manual adjustments earphone itself, such as, regulate the sponge of earmuff, regulate the elasticity etc. worn.If In-Ear Headphones, then the size of earplug etc. can be regulated to change the sound insulation capabilities of earphone itself.
The device that the embodiment of the present invention provides can be applied in the embodiment of the method for aforementioned correspondence, and details, see the description of above-described embodiment, do not repeat them here.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required common hardware by software and realizes.Described program can be stored in read/write memory medium, described storage medium, as random asccess memory, flash memory, read-only memory, programmable read only memory, electrically erasable programmable memory, register etc.This storage medium is positioned at memory, and processor reads the information in memory, performs the method described in each embodiment of the present invention in conjunction with its hardware.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1. an earphone noise-reduction method, is characterized in that, comprising:
Obtain the frequency of current noise;
Judge whether described frequency is in pre-configured frequency range, described frequency range comprises the frequency that individual subscriber is heard;
When described frequency is in pre-configured frequency range, according to described frequency coordination noise reduction mode, the noise reduction rank that described frequency is corresponding is set.
2. earphone noise-reduction method as claimed in claim 1, is characterized in that, described judge whether described frequency is in pre-configured frequency range before, comprising:
Play the sound of different frequency, the sound of described different frequency comprises the sound of low frequency, intermediate frequency, high frequency;
The frequency that recording user is heard in the sound of described different frequency;
According to the frequency heard, configuration frequency scope.
3. earphone noise-reduction method as claimed in claim 1, it is characterized in that, described noise reduction mode comprises at least one in active noise reduction mode and passive noise reduction mode.
4. earphone noise-reduction method as described in claim 1 or 3, is characterized in that, when described noise reduction mode is active noise reduction mode, it is described when described frequency is in pre-configured frequency range, according to described frequency coordination noise reduction mode, the noise reduction rank that described frequency is corresponding is set, is specially:
When described frequency is in pre-configured frequency range, judge whether described frequency belongs to low frequency;
When described frequency belongs to low frequency, call active noise reduction mode;
Controlling current noise reduction mode is active noise reduction mode, and arranges noise reduction rank corresponding to described frequency.
5. earphone noise-reduction method as described in claim 1 or 3, is characterized in that, when described noise reduction mode is passive noise reduction mode, it is described when described frequency is in pre-configured frequency range, according to described frequency coordination noise reduction mode, the noise reduction rank that described frequency is corresponding is set, is specially:
When described frequency is in pre-configured frequency range, judge whether described frequency belongs to medium-high frequency;
When described frequency belongs to medium-high frequency, call passive noise reduction mode;
Controlling current noise reduction mode is passive noise reduction mode, and arranges noise reduction rank corresponding to described frequency.
6. a noise reduction device of earphone, is characterized in that, comprising:
Frequency acquisition module, for obtaining the frequency of current noise;
Judge module, for judging whether described frequency is in pre-configured frequency range, described frequency range comprises the frequency that individual subscriber is heard;
Noise reduction module, for when described frequency is in pre-configured frequency range, according to described frequency coordination noise reduction mode, arranges the noise reduction rank that described frequency is corresponding.
7. noise reduction device of earphone as claimed in claim 6, it is characterized in that, described noise reduction device of earphone, also comprises:
Sound broadcasting module, for playing the sound of different frequency, the sound of described different frequency comprises the sound of low frequency, intermediate frequency, high frequency;
Logging modle, the frequency heard in the sound of described different frequency for recording user;
Frequency range configuration module, for the frequency that basis is heard, configuration frequency scope.
8. noise reduction device of earphone as claimed in claim 6, it is characterized in that, described noise reduction mode comprises at least one in active noise reduction mode and passive noise reduction mode.
9. noise reduction device of earphone as described in claim 6 or 8, is characterized in that, described earphone noise reduction module, comprising:
Low frequency judging unit, for when described frequency is in pre-configured frequency range, judges whether described frequency belongs to low frequency;
Active noise reduction mode call unit, for when described frequency belongs to low frequency, calls active noise reduction mode;
Active noise reduction unit is active noise reduction mode for controlling current noise reduction mode, and arranges noise reduction rank corresponding to described frequency.
10. noise reduction device of earphone as described in claim 6 or 8, is characterized in that, described earphone noise reduction module, comprising:
Medium-high frequency judging unit, for when described frequency is in pre-configured frequency range, judges whether described frequency belongs to medium-high frequency;
Passive noise reduction mode call unit, for when described frequency belongs to medium-high frequency, calls passive noise reduction mode;
Passive noise reduction unit is passive noise reduction mode for controlling current noise reduction mode, and arranges noise reduction rank corresponding to described frequency.
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| 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 |
| CN113490105A (en) * | 2021-09-07 | 2021-10-08 | 深圳市盛佳丽电子有限公司 | Earphone speaker that function of making an uproar is good falls |
| CN114650484A (en) * | 2022-05-23 | 2022-06-21 | 东莞市云仕电子有限公司 | Wireless earphone with automatic noise reduction function and use method thereof |
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