CN106816146B - Noise reduction method based on electronic terminal and electronic terminal - Google Patents
Noise reduction method based on electronic terminal and electronic terminal Download PDFInfo
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- CN106816146B CN106816146B CN201611263735.9A CN201611263735A CN106816146B CN 106816146 B CN106816146 B CN 106816146B CN 201611263735 A CN201611263735 A CN 201611263735A CN 106816146 B CN106816146 B CN 106816146B
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
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Abstract
The invention discloses an electronic terminal and a noise reduction method based on the same. Wherein the method comprises the following steps: the electronic terminal generates reverse sound waves relative to the environmental noise information according to the calculated current environmental noise information; calculating the placing position of the electronic terminal according to the environmental noise information, demonstrating, and placing the electronic terminal at the placing position according to the demonstration; and playing the reverse sound wave at the placing position, and neutralizing the current environmental noise through the played reverse sound wave to realize noise reduction. By the above mode, the reverse sound wave relative to the current environmental noise information can be generated according to the current environmental noise information, the noise is reduced by playing the reverse sound wave and neutralizing the current environmental noise, the placing position of the electronic terminal can be calculated and demonstrated according to the current environmental noise information, a user can conveniently place the electronic terminal through the demonstration to play the reverse sound wave at the placing position with a better preference, and the noise reduction effect is improved.
Description
Technical Field
The invention relates to the technical field of electronic terminals, in particular to a noise reduction method based on an electronic terminal and the electronic terminal.
Background
With the continuous development of social economy and the continuous progress of science and technology, the living standard of people is increasingly improved, and electronic terminals such as mobile phones are also increasingly popularized in the life of people, so that great convenience is provided for the life of people, and the mobile phone is an indispensable necessity in the life of people. When a user in a noisy environment needs a quiet environment, the existing electronic terminal such as a mobile phone cannot reduce noise of the current environment.
Disclosure of Invention
The technical problem mainly solved by the invention is to provide an electronic terminal-based noise reduction method and an electronic terminal, which can generate reverse sound waves relative to current environmental noise information according to the current environmental noise information, and can neutralize the current environmental noise by playing the reverse sound waves to realize noise reduction.
In order to solve the technical problems, the invention adopts a technical scheme that: the noise reduction method based on the electronic terminal comprises the following steps: the electronic terminal generates a reverse sound wave relative to the environmental noise information according to the calculated current environmental noise information including the azimuth and the volume of a noise sound source; calculating the placing position of the electronic terminal according to the environmental noise information, demonstrating, and placing the electronic terminal at the placing position according to the demonstration; and playing the reverse sound wave at the placing position, and neutralizing the current environmental noise through the played reverse sound wave to realize noise reduction.
Wherein the electronic terminal generates a reverse sound wave in opposition to the ambient noise information, comprising: and the electronic terminal generates reverse sound waves relative to the environmental noise information by adopting a principle mode of reverse fluctuation cancellation.
Wherein, the electronic terminal is in the locating place, broadcast the reverse sound wave, include: the electronic terminal is arranged at the placing position, and the reverse sound wave is played in a mode that the playing direction of the reverse sound wave is fixed by the sleeve.
Wherein before the electronic terminal generates the backward sound wave opposite to the environmental noise information, the method further comprises: the electronic terminal collects current environmental noise; and calculating the current environmental noise information including the azimuth and the volume of the noise source according to the acquired current environmental noise.
The electronic terminal calculates current environmental noise information according to the acquired current environmental noise, and the method comprises the following steps: and the electronic terminal calculates the current environmental noise information by adopting a sound positioning algorithm mode according to the acquired current environmental noise.
In order to solve the technical problem, the invention adopts another technical scheme that: there is provided an electronic terminal comprising: the computing module is used for computing the current environmental noise information including the azimuth and the volume of the noise source; the generating module is used for generating reverse sound waves opposite to the environmental noise information according to the calculated current environmental noise information; and the placing module is used for calculating the placing position of the electronic terminal according to the environmental noise information, demonstrating the placing position, and placing the electronic terminal at the placing position according to the demonstration. And the playing module is used for playing the reverse sound wave at the placing position and neutralizing the current environmental noise through the played reverse sound wave to realize noise reduction.
Wherein the generation module is specifically configured to: and generating reverse sound waves opposite to the environmental noise information by adopting a principle mode of reverse fluctuation cancellation.
Wherein the playing module is specifically configured to: the reverse sound wave is played in a mode that the playing direction of the reverse sound wave is fixed by the sleeve at the placing position, and the noise is reduced by neutralizing the current environmental noise with the played reverse sound wave.
Wherein, still include: and the acquisition module is used for acquiring the current environmental noise.
Wherein the calculation module is specifically configured to: and calculating current environmental noise information by adopting a sound positioning algorithm mode according to the acquired current environmental noise.
In the above scheme, the electronic terminal generates a reverse sound wave corresponding to the current environmental noise information according to the calculated current environmental noise information including the direction and volume of the noise source, calculates and demonstrates the placement position of the electronic terminal according to the current environmental noise information, places the electronic terminal at the placement position according to the demonstration, plays the reverse sound wave at the placement position, neutralizes the current environmental noise through the played reverse sound wave to reduce noise, realizes generation of a reverse sound wave corresponding to the current environmental noise information according to the current environmental noise information, neutralizes the current environmental noise through the played reverse sound wave to reduce noise, calculates and demonstrates the placement position of the electronic terminal according to the current environmental noise information, and a user can conveniently play the reverse sound wave at a preferred placement position by placing the electronic terminal through the demonstration, the noise reduction effect is improved.
Drawings
FIG. 1 is a schematic flow chart illustrating a noise reduction method based on an electronic terminal according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating a noise reduction method based on an electronic terminal according to another embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of an electronic terminal according to the present invention;
FIG. 4 is a schematic structural diagram of another embodiment of an electronic terminal according to the present invention;
fig. 5 is a schematic structural diagram of another embodiment of the electronic terminal of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Referring to fig. 1, fig. 1 is a schematic flow chart illustrating a noise reduction method based on an electronic terminal according to an embodiment of the present invention. It should be noted that the method of the present invention is not limited to the flow sequence shown in fig. 1 if the results are substantially the same. As shown in fig. 1, the method comprises the steps of:
s101: the electronic terminal generates a reverse sound wave relative to the current environmental noise information including the azimuth, the volume and the like of the noise sound source according to the calculated current environmental noise information including the azimuth, the volume and the like of the noise sound source.
The electronic terminal may be any terminal capable of generating a reverse sound wave corresponding to the direction and volume of the current environmental noise source, such as a mobile electronic terminal like a mobile phone, a tablet computer, a notebook computer, or a desktop computer.
The electronic terminal generates a reverse sound wave corresponding to the current environmental noise information including the direction, volume, and the like of the noise source according to the calculated current environmental noise information including the direction, volume, and the like of the noise source, and may include:
and the electronic terminal generates reverse sound waves relative to the current environmental noise information including the direction, the volume and the like of the noise sound source by adopting a reverse fluctuation cancellation principle mode according to the calculated current environmental noise information including the direction, the volume and the like of the noise sound source.
Before the electronic terminal generates the reverse sound wave corresponding to the current environmental noise information including the direction, volume, etc. of the noise source according to the calculated current environmental noise information including the direction, volume, etc. of the noise source, the method may further include:
the electronic terminal calculates the current environmental noise information including the direction, volume and the like of the noise source.
Wherein, the electronic terminal calculates the current environmental noise information including the azimuth and volume of the noise source, and may include:
the electronic terminal calculates the current environmental noise information including the direction, volume and the like of the noise source by adopting a sound positioning algorithm mode.
Before the electronic terminal calculates that the current environmental noise information includes the direction, volume, etc. of the noise source, the method may further include:
the electronic terminal collects current environmental noise.
Wherein, the electronic terminal calculates the current environmental noise information including the azimuth and volume of the noise source, and may further include:
and the electronic terminal calculates the current environmental noise information including the azimuth, the volume and the like of the noise source by adopting a sound positioning algorithm mode according to the collected current environmental noise.
Wherein, the electronic terminal calculates the current environmental noise information including the azimuth and volume of the noise source, and may include:
the electronic terminal adopts a sound positioning algorithm mode to calculate the current environmental noise collected by two or more sound collecting elements, and the current environmental noise information including the direction, the volume and the like of a noise source is calculated.
S102: and the electronic terminal calculates the placing position of the electronic terminal and demonstrates according to the calculated current environmental noise information including the azimuth, the volume and the like of the noise source, and places the electronic terminal at the placing position according to the demonstration.
S103: the electronic terminal plays the reverse sound wave at the placing position, and the noise of the current environment is neutralized by the played reverse sound wave, so that the noise reduction is realized.
Wherein, this reverse sound wave of electronic terminal broadcast includes: the electronic terminal plays the reverse sound wave in a mode that the sleeve fixes the playing direction of the reverse sound wave.
It can be understood that the playing direction of the reverse sound wave can be fixed by using the manner that the sleeve sleeves the playing device, such as the speaker, in the electronic terminal, so that the played reverse sound wave can better neutralize the current environmental noise, and the noise reduction effect is improved.
In this embodiment, the electronic terminals can also include bluetooth, wireless local area network (WIFI) hotspot or other electronic terminals through wireless connection, one of the electronic terminals can be set as a host, the other electronic terminals can be set as an auxiliary machine, each electronic terminal calculates the placement position and demonstrates of each electronic terminal according to the position and volume of the current environmental noise information including the noise source, and each electronic terminal is placed at each placement position according to the demonstration, thereby achieving the effect of reducing the noise of the matrix array.
In this embodiment, the electronic terminal generates a reverse sound wave corresponding to the current environmental noise information according to the calculated current environmental noise information including the direction and volume of the noise source, calculates and demonstrates the placement position of the electronic terminal according to the current environmental noise information, places the electronic terminal at the placement position according to the demonstration, plays the reverse sound wave at the placement position, neutralizes the current environmental noise through the played reverse sound wave to reduce noise, generates a reverse sound wave corresponding to the current environmental noise information according to the current environmental noise information, neutralizes the current environmental noise through the played reverse sound wave to reduce noise, calculates and demonstrates the placement position of the electronic terminal according to the current environmental noise information, and a user can conveniently play the reverse sound wave at a preferred placement position by placing the electronic terminal through the demonstration, the noise reduction effect is improved.
Referring to fig. 2, fig. 2 is a schematic flow chart illustrating a noise reduction method based on an electronic terminal according to another embodiment of the present invention. In this embodiment, the method includes the steps of:
s201: the electronic terminal collects current environmental noise.
S202: and the electronic terminal calculates the current environmental noise information including the azimuth, the volume and the like of the noise source by adopting a sound positioning algorithm mode according to the collected current environmental noise.
As described above in S101, further description is omitted here.
S203: the electronic terminal generates a reverse sound wave relative to the current environmental noise information including the azimuth, the volume and the like of the noise source according to the calculated current environmental noise information including the azimuth, the volume and the like of the noise source.
As described above in S101, further description is omitted here.
S204: and the electronic terminal calculates the placing position of the electronic terminal and demonstrates according to the calculated current environmental noise information including the position, the volume and the like of the noise source, and places the electronic terminal at the placing position according to the demonstration.
S205: the electronic terminal plays the reverse sound wave at the placing position, and the noise of the current environment is neutralized by the played reverse sound wave, so that the noise reduction is realized.
As described above in S103, which is not described herein.
For example, the electronic terminal collects current environmental noise, and calculates current environmental noise information including the direction and volume of a noise source according to the collected current environmental noise by using a sound localization algorithm, for example, the direction of the current environmental noise source is calculated to be 10 degrees left from a playing device such as a loudspeaker in the electronic terminal, and the volume is 60 decibels; the electronic terminal generates reverse sound waves relative to the current environmental noise information according to the calculated current environmental noise information, wherein the volume of the reverse sound waves is 60 decibels, and the propagation direction of the reverse sound waves is opposite to the left 10-degree direction; the electronic terminal calculates the placing position of the electronic terminal and demonstrates according to the calculated current environmental noise information, the position of the electronic terminal, such as a loudspeaker, placed at the placing position is opposite to the left 10-degree direction according to the demonstration, the electronic terminal plays the reverse sound wave at the placing position, and the played reverse sound wave neutralizes the current environmental noise to realize noise reduction.
Referring to fig. 3, fig. 3 is a schematic structural diagram of an electronic terminal according to an embodiment of the present invention. In this embodiment, the electronic terminal 30 is the electronic terminal in the above embodiments, and the electronic terminal 30 includes a calculating module 31, a generating module 32, a placing module 33, and a playing module 34.
The calculating module 31 is configured to calculate the current environmental noise information including the direction and volume of the noise source.
The generating module 32 is configured to generate an inverse sound wave corresponding to the calculated current environmental noise information according to the calculated current environmental noise information.
The placing module 33 is configured to calculate a placing position of the electronic terminal according to the calculated current environmental noise information, perform a demonstration, and place the electronic terminal at the placing position according to the demonstration.
The playing module 34 is used for playing the reverse sound wave at the placing position, and neutralizing the current environmental noise through the played reverse sound wave to realize noise reduction.
Optionally, the calculating module 31 may be specifically configured to adopt a sound localization algorithm, where the calculated current environmental noise information includes a direction and a volume of a noise source.
Optionally, the calculating module 31 may be further specifically configured to use a sound localization algorithm to calculate current environmental noise information including a direction and a volume of a noise source according to the current environmental noise.
Alternatively, the calculating module 31 may be further specifically configured to calculate the current environmental noise collected by two or more sound collecting elements by using a sound localization algorithm, where the calculated current environmental noise information includes the direction and volume of the noise source.
Alternatively, the generating module 32 may be specifically configured to generate an inverse sound wave corresponding to the calculated current environmental noise information by using an inverse fluctuation cancellation principle according to the calculated current environmental noise information.
Optionally, the playing module 34 may be specifically configured to play the reverse sound wave at the placement position in a manner that the sleeve fixes the playing direction of the reverse sound wave, and neutralize the current environmental noise by the played reverse sound wave, so as to reduce noise.
Referring to fig. 4, fig. 4 is a schematic structural diagram of an electronic terminal according to another embodiment of the present invention. Different from the previous embodiment, the electronic terminal 40 of this embodiment further includes: an acquisition module 41.
The collecting module 43 is used for collecting the current environmental noise.
Optionally, the calculating module 31 may be further specifically configured to adopt a sound localization algorithm according to the collected current environmental noise, where the calculated current environmental noise information includes a direction and a volume of a noise source.
Optionally, the calculating module 31 may be further specifically configured to calculate the current environmental noise collected by two or more collecting modules 43 by using a sound localization algorithm, where the calculated current environmental noise information includes the direction and volume of the noise source.
Each module of the electronic terminal 30/40 can respectively execute the corresponding steps in the above method embodiments, and therefore, the description of each module is omitted here, and please refer to the description of the corresponding steps above in detail.
Referring to fig. 5, fig. 5 is a schematic structural diagram of an electronic terminal according to another embodiment of the present invention. The electronic terminal can execute the steps executed by the electronic terminal in the method. For a detailed description of the above method, please refer to the above method, which is not repeated herein.
In this embodiment, the processing apparatus includes: a processor 51, a memory 52 coupled to the processor 51, at least one microphone 53 and a speaker 54.
The memory 52 is used for storing an operating system, instructions executed by the processor 51, current environmental noise information collected by the microphone 53, and the like.
At least one microphone 53 for picking up the current ambient noise.
The processor 51 is configured to calculate current environmental noise information including a position, a volume, and the like of a noise source according to the acquired current environmental noise, generate a reverse sound wave corresponding to the calculated current environmental noise information according to the calculated current environmental noise information, calculate a placement position of the electronic terminal and demonstrate the placement position according to the calculated current environmental noise information, and place the electronic terminal at the placement position according to the demonstration.
At least one loudspeaker 54, is used in this locating position, broadcast this reverse sound wave, through this reverse sound wave of broadcast neutralize this present ambient noise, realize and reduce the noise.
Optionally, the processor 51 may be specifically configured to calculate current environmental noise information including a direction and a volume of a noise source by using a sound localization algorithm according to the collected current environmental noise.
Optionally, the processor 51 may be further specifically configured to calculate current environmental noise collected by two or more microphones 53 by using a sound localization algorithm, where the calculated current environmental noise information includes a direction and a volume of a noise source.
Optionally, the at least one speaker 54 may be specifically configured to play the reverse sound wave at the placement position in a manner that the sleeve fixes the playing direction of the reverse sound wave, and neutralize the current ambient noise by the played reverse sound wave, so as to reduce noise.
In the above scheme, the electronic terminal generates a reverse sound wave corresponding to the current environmental noise information according to the calculated current environmental noise information including the direction and volume of the noise source, calculates and demonstrates the placement position of the electronic terminal according to the current environmental noise information, places the electronic terminal at the placement position according to the demonstration, plays the reverse sound wave at the placement position, neutralizes the current environmental noise through the played reverse sound wave to reduce noise, realizes generation of a reverse sound wave corresponding to the current environmental noise information according to the current environmental noise information, neutralizes the current environmental noise through the played reverse sound wave to reduce noise, calculates and demonstrates the placement position of the electronic terminal according to the current environmental noise information, and a user can conveniently play the reverse sound wave at a preferred placement position by placing the electronic terminal through the demonstration, the noise reduction effect is improved.
In the several embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and other divisions may be realized in practice, 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 through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The 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 invention 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.
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 medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions 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. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A noise reduction method based on an electronic terminal is characterized by comprising the following steps:
the electronic terminal generates reverse sound waves relative to the current environmental noise information according to the calculated current environmental noise information, wherein the current environmental noise information comprises the azimuth and the volume of a noise source;
calculating the placing position of the electronic terminal according to the current environmental noise information, demonstrating, and placing the electronic terminal at the placing position according to the demonstration;
playing the reverse sound wave at the placing position, and neutralizing the current environmental noise through the played reverse sound wave to realize noise reduction;
the electronic terminals are connected with other electronic terminals in a wireless or wired mode, one electronic terminal is set as a host, the other electronic terminals are set as auxiliary machines, the electronic terminals calculate the placing positions of the electronic terminals according to current environmental noise information and demonstrate the placing positions, and the electronic terminals are placed at the placing positions according to the demonstrating, so that the effect of matrix array noise reduction is achieved;
and playing the reverse sound wave in a mode that a sleeve fixes the playing direction of the reverse sound wave at the placement position, and neutralizing the current environmental noise through the played reverse sound wave to realize noise reduction.
2. The method according to claim 1, before the electronic terminal generates the backward sound wave opposite to the current environmental noise information, further comprising:
the electronic terminal collects the current environmental noise;
and calculating the azimuth and the volume of a noise sound source included in the current environmental noise information according to the acquired current environmental noise.
3. The method according to claim 2, wherein the calculating, by the electronic terminal, the current environmental noise information according to the collected current environmental noise comprises:
and the electronic terminal calculates the current environmental noise information by adopting a sound positioning algorithm mode according to the collected current environmental noise.
4. An electronic terminal, comprising:
the calculation module is used for calculating current environmental noise information, and the current environmental noise information comprises the azimuth and the volume of a noise sound source;
the generating module is used for generating reverse sound waves relative to the current environmental noise information according to the calculated current environmental noise information;
the placing module is used for calculating and demonstrating the placing position of the electronic terminal according to the current environmental noise information, and placing the electronic terminal at the placing position according to the demonstration;
the playing module is used for playing the reverse sound wave at the placing position and neutralizing the current environmental noise through the played reverse sound wave to realize noise reduction;
the electronic terminals are connected with other electronic terminals in a wireless or wired mode, one electronic terminal is set as a host, the other electronic terminals are set as auxiliary machines, the electronic terminals calculate the placing positions of the electronic terminals and demonstrate the placing positions according to current environmental noise information, and the electronic terminals are placed at the placing positions according to the demonstrating, so that the effect of matrix array noise reduction is achieved;
the generating module generates reverse sound waves corresponding to the calculated current environmental noise information by adopting a principle mode of reverse fluctuation offset according to the calculated current environmental noise information, the playing module plays the reverse sound waves at the placing position in a mode of fixing the playing direction of the reverse sound waves by a sleeve, and the noise reduction is realized by neutralizing the current environmental noise by the played reverse sound waves.
5. The electronic terminal of claim 4, further comprising:
and the acquisition module is used for acquiring the current environmental noise.
6. The electronic terminal of claim 5, wherein the computing module is specifically configured to:
and calculating the current environmental noise information by adopting a sound positioning algorithm mode according to the collected current environmental noise.
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| CN201611263735.9A CN106816146B (en) | 2016-12-30 | 2016-12-30 | Noise reduction method based on electronic terminal and electronic terminal |
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| CN201611263735.9A CN106816146B (en) | 2016-12-30 | 2016-12-30 | Noise reduction method based on electronic terminal and electronic terminal |
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| CN106205592B (en) * | 2016-06-24 | 2020-07-28 | 努比亚技术有限公司 | Noise reduction device and method |
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| US6434239B1 (en) * | 1997-10-03 | 2002-08-13 | Deluca Michael Joseph | Anti-sound beam method and apparatus |
| CN102354492A (en) * | 2011-07-19 | 2012-02-15 | 南通立飞投资有限公司 | Device and method for intelligently and softly reducing noises |
| CN203882607U (en) * | 2014-04-05 | 2014-10-15 | 中国石油大学(华东) | Silencer |
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