CN113301466A - Adjustable active noise reduction earphone with built-in noise monitoring device - Google Patents
Adjustable active noise reduction earphone with built-in noise monitoring device Download PDFInfo
- Publication number
- CN113301466A CN113301466A CN202110473144.9A CN202110473144A CN113301466A CN 113301466 A CN113301466 A CN 113301466A CN 202110473144 A CN202110473144 A CN 202110473144A CN 113301466 A CN113301466 A CN 113301466A
- Authority
- CN
- China
- Prior art keywords
- noise
- module
- earphone
- noise reduction
- user
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012806 monitoring device Methods 0.000 title claims abstract description 34
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 238000012216 screening Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 9
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 230000005236 sound signal Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- G10K11/1785—Methods, e.g. algorithms; Devices
-
- 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
- G10K11/1787—General system configurations
-
- 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
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/10—Applications
- G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
- G10K2210/1081—Earphones, e.g. for telephones, ear protectors or headsets
-
- 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 invention discloses an adjustable active noise reduction earphone with a built-in noise monitoring device, which comprises a noise reduction earphone and a noise monitoring device arranged in the noise reduction earphone, wherein a monitoring and identifying module is arranged in the noise monitoring device, the noise monitoring device and the earphone are connected through an earphone connecting module to form the noise reduction earphone, the monitoring and identifying module comprises a noise identifying module, a noise classifying module, an inverse noise signal module and an automatic input module, and the earphone connecting module comprises an earphone module and an algorithm identifying module. The active noise reduction technology is adopted, the noise reduction effect is good, and the noise monitoring device is used for classifying the environmental noise, so that a user can use the noise reduction earphone to filter different external environmental noises according to the requirements of the user in different environments; the automatic input module can record the noise reduction requirements of the user on different environments, and can still actively reduce noise according to the noise reduction preference of the user when the user does not autonomously select the noise reduction type, so that the optimal noise reduction effect is achieved.
Description
Technical Field
The invention relates to the technical field of earphone design, in particular to an adjustable active noise reduction earphone with a built-in noise monitoring device.
Background
The noise reduction earphone is currently divided into two noise reduction modes of active noise reduction and passive noise reduction, wherein the technical principle of the active noise reduction is to collect noise in the surrounding environment, and then generate anti-phase noise in the earphone to offset the noise so as to achieve the purpose of noise reduction. Passive noise reduction is the reduction of external noise by assisting in the adoption of methods to isolate the external noise. However, the current active noise reduction earphone and passive noise reduction earphone do not further process the noise, but roughly judge all external sounds as noise uniformly, and this method cannot process the noise well, and cannot make the user autonomously judge the non-noise information such as external voice, and is not good for the noise reduction earphone industry to form a uniform technical standard for processing the external sounds.
Disclosure of Invention
The invention aims to solve the technical problems and provides an adjustable active noise reduction earphone with a built-in noise monitoring device, which enables a user to autonomously select a noise type to be processed by classifying surrounding environment noise of the user so as to realize better noise reduction effect, and can actively select a noise reduction type which is suitable for the current environment and the preference of the user through an algorithm when the user does not select the noise type to be reduced, so as to improve the noise reduction effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
an adjustable active noise reduction earphone with a built-in noise monitoring device comprises a noise reduction earphone and a noise monitoring device arranged in the noise reduction earphone, wherein a monitoring and identifying module is arranged in the noise monitoring device, the noise monitoring device is connected with the earphone through an earphone connecting module to form the noise reduction earphone, the monitoring and identifying module comprises a noise identifying module, a noise classification module and an inverse noise signal module, and the earphone connecting module comprises an earphone module and an algorithm identifying module;
the noise identification module is arranged on the outermost sides of the two ends of the noise reduction earphone, is in contact with the external environment, and is used for identifying noise in the surrounding environment of a user and converting the noise into a digital signal;
the noise classification module is connected with the noise identification module and is used for receiving the digital signals from the noise identification module, classifying the digital signals into different noise types through a built-in FFT algorithm, and screening out noise digital signals to be processed by the anti-phase noise signal module;
the noise classification module is used for classifying the noise digital signals and screening the noise digital signals;
the earphone module is connected with the reverse phase noise signal module and the terminal equipment and is used for outputting the sound processed by the reverse phase noise signal module;
the algorithm identification module is connected with the mobile phone terminal and the noise classification module and used for receiving an instruction from the terminal equipment and sending the noise type selected and filtered by the user in the instruction to the noise classification module.
The adjustable active noise reduction earphone with the built-in noise monitoring device further comprises an automatic input module, wherein the automatic input module is arranged between the algorithm identification module and the noise classification module and used for automatically judging the surrounding environment through a built-in program and automatically selecting the noise type to be filtered when a user does not filter and select the noise type.
The monitoring and identifying module and the earphone connecting module are connected through a data line, and the monitoring and identifying module and the earphone connecting module are connected through a Bluetooth module.
The terminal device is a display device or a mobile terminal with an operable interface, preferably a sound box or a mobile phone with a display.
The automatic input module is internally provided with a program for recording the preferences of the noise types selected and filtered by the user in different environments, and when the user does not select the noise types to be filtered, the noise types to be filtered are selected according to the surrounding environment and the user preferences.
The noise identification module is a microphone arranged on two sides of the noise reduction earphone.
The working principle of the adjustable active noise reduction earphone with the built-in noise monitoring device is as follows:
the noise of the environment where the user is located at a certain moment is identified and processed by the noise identification module, the audio signal is converted into a digital signal, the digital signal is subjected to waveform classification by the noise classification module and is provided for the user to use terminal equipment for selection, the noise to be filtered is automatically selected by the user or automatically selected by a built-in program of the automatic input module, the selected noise signal is processed by the reversed phase noise module, the digital signal is converted into the audio signal again, and the audio signal is output to the user through the earphone connection module.
The invention has the beneficial effects that:
1. the adjustable active noise reduction earphone with the built-in noise monitoring device is simple in structure, and has a better noise reduction effect compared with a traditional passive noise reduction mode by utilizing the reverse phase noise module to process noise;
2. according to the noise reduction earphone, the environmental noise is classified and processed through the noise monitoring device, so that a user can use the noise reduction earphone to filter different external environmental noises according to the requirements of the user in different environments such as public transportation, gymnasiums and the like, the noise reduction effect matched with the use environment is provided for the user, and a better noise reduction effect is brought;
3. the automatic input module can automatically record the noise reduction requirements of the user on different environments, and can still perform active noise reduction processing according to the noise reduction preference of the user on different environments even if the user does not independently select the noise reduction type, so that the optimal noise reduction effect is achieved.
Drawings
FIG. 1 is a block diagram of an adjustable active noise reduction earphone with a built-in noise monitoring device according to the present invention;
FIG. 2 is a schematic diagram of an adjustable active noise reduction earphone with a built-in noise monitoring device according to the present invention;
in the figure: 1. a monitoring and identifying module; 2. and the earphone is connected with the module.
Detailed Description
In order to make the technical solutions and advantages of the present invention clearer, the present invention is further described below with reference to the accompanying drawings and examples.
Example (b): see fig. 1-2.
As shown in fig. 1, an adjustable active noise reduction earphone with a built-in noise monitoring device comprises a noise reduction earphone and a noise monitoring device arranged in the noise reduction earphone, wherein a monitoring and identifying module is arranged in the noise monitoring device, the noise monitoring device and the earphone are connected through an earphone connecting module to form the noise reduction earphone, the monitoring and identifying module comprises a noise identifying module, a noise classifying module and an inverse noise signal module, and the earphone connecting module comprises an earphone module and an algorithm identifying module;
the noise identification module is arranged on the outermost sides of the two ends of the noise reduction earphone, is in contact with the external environment, and is used for identifying noise in the surrounding environment of a user and converting the noise into a digital signal;
the noise classification module is connected with the noise identification module and is used for receiving the digital signals from the noise identification module, classifying the digital signals into different noise types through a built-in FFT algorithm, and screening out noise digital signals to be processed by the anti-phase noise signal module;
the noise classification module is used for classifying the noise digital signals and screening the noise digital signals;
the earphone module is connected with the reverse phase noise signal module and the terminal equipment and is used for outputting the sound processed by the reverse phase noise signal module;
the algorithm identification module is connected with the mobile phone terminal and the noise classification module and used for receiving an instruction from the terminal equipment and sending the noise type selected and filtered by the user in the instruction to the noise classification module.
The adjustable active noise reduction earphone with the built-in noise monitoring device further comprises an automatic input module, wherein the automatic input module is arranged between the algorithm identification module and the noise classification module and used for automatically judging the surrounding environment through a built-in program and automatically selecting the noise type to be filtered when a user does not filter and select the noise type.
The monitoring and identifying module and the earphone connecting module are connected through a data line, and the monitoring and identifying module and the earphone connecting module are connected through a Bluetooth module.
The terminal device is a display device or a mobile terminal with an operable interface, preferably a sound box or a mobile phone with a display.
The automatic input module is internally provided with a program for recording the preferences of the noise types selected and filtered by the user in different environments, and when the user does not select the noise types to be filtered, the noise types to be filtered are selected according to the surrounding environment and the user preferences.
The noise identification module is a microphone arranged on two sides of the noise reduction earphone.
Referring to fig. 1 and fig. 2, the working principle and working process of an adjustable active noise reduction earphone with a built-in noise monitoring device according to the present invention are as follows:
the external noise is identified and processed by the noise identification module, the noise is converted from an audio signal into a digital signal and processed into different noise types by the noise classification module, and different frequency information is displayed in user terminal equipment, so that a user can clearly know the sound frequency composition of the surrounding environment under the condition of wearing an earphone, the user is helped to make a selection, which surrounding sounds are reserved, and which sounds are subjected to noise reduction processing; after the user selects the type of the sound to be denoised, transmitting an instruction to a noise classification module through an algorithm identification module, filtering the sound to be denoised by the noise classification module, and performing corresponding inverse noise processing on the noise of the user through an inverse noise module; and the digital signals processed by the noise classification module and the reverse phase noise module are converted into audio signals again in the earphone connecting module, and finally, the noise-reduced sound information is output to a user through the earphone module. The invention also adds an automatic input module between the algorithm recognition module and the noise classification module, and can automatically reduce the noise of the external sound according to the noise reduction preference of the user in different environments in the past under the condition that the user does not select the noise reduction type, so as to achieve the optimal noise reduction effect.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. The utility model provides an adjustable initiative noise reduction earphone of built-in noise monitoring devices, falls the noise monitoring devices of earphone and setting in the earphone of making an uproar including making an uproar, its characterized in that: the noise monitoring device is internally provided with a monitoring identification module, the noise monitoring device is connected with an earphone through an earphone connecting module to form the noise reduction earphone, the monitoring identification module comprises a noise identification module, a noise classification module and an inverse noise signal module, and the earphone connecting module comprises an earphone module and an algorithm identification module;
the noise identification module is arranged on the outermost sides of the two ends of the noise reduction earphone, is in contact with the external environment, and is used for identifying noise in the surrounding environment of a user and converting the noise into a digital signal;
the noise classification module is connected with the noise identification module and is used for receiving the digital signals from the noise identification module, classifying the digital signals into different noise types through a built-in FFT algorithm, and screening out noise digital signals to be processed by the anti-phase noise signal module;
the noise classification module is used for classifying the noise digital signals and screening the noise digital signals;
the earphone module is connected with the reverse phase noise signal module and the terminal equipment and is used for outputting the sound processed by the reverse phase noise signal module;
the algorithm identification module is connected with the mobile phone terminal and the noise classification module and used for receiving an instruction from the terminal equipment and sending the noise type selected and filtered by the user in the instruction to the noise classification module.
2. The adjustable active noise reduction earphone with built-in noise monitoring device according to claim 1, further comprising an automatic input module, wherein the automatic input module is disposed between the algorithm recognition module and the noise classification module, and is configured to automatically determine the surrounding environment through a built-in program and automatically select the noise type to be filtered when the user does not make a filtering selection for the noise type.
3. The adjustable active noise reduction earphone with a built-in noise monitoring device according to claim 1, wherein the monitoring and identification module and the earphone connection module perform signal transmission therebetween through data lines, and the earphone connection module performs signal transmission therebetween through bluetooth.
4. The adjustable active noise reduction earphone with built-in noise monitoring device according to claim 1, wherein the terminal device is a display device or a mobile terminal with an operable interface.
5. The adjustable active noise reduction earphone with built-in noise monitoring device according to claim 2, wherein the automatic input module, its built-in program records the preference of the user for selecting the noise type to be filtered under different environments, and when the user does not make a selection for filtering the noise type, the user selects the noise type to be filtered according to the surrounding environment and the user preference.
6. The adjustable active noise reduction earphone with built-in noise monitoring device according to claim 1, wherein the noise identification module is a microphone placed on both sides of the noise reduction earphone.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110473144.9A CN113301466A (en) | 2021-04-29 | 2021-04-29 | Adjustable active noise reduction earphone with built-in noise monitoring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110473144.9A CN113301466A (en) | 2021-04-29 | 2021-04-29 | Adjustable active noise reduction earphone with built-in noise monitoring device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113301466A true CN113301466A (en) | 2021-08-24 |
Family
ID=77320582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110473144.9A Pending CN113301466A (en) | 2021-04-29 | 2021-04-29 | Adjustable active noise reduction earphone with built-in noise monitoring device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113301466A (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080159161A1 (en) * | 2006-12-28 | 2008-07-03 | Verizon Services Organization Inc. | Method and system for inserting selelcted comfort signal |
JP2013065039A (en) * | 2012-12-07 | 2013-04-11 | Sony Corp | Headphone, headphone noise reduction method and program for noise reduction processing |
US20130156214A1 (en) * | 2011-12-20 | 2013-06-20 | Texas Instruments Incorporated | Method and System for Active Noise Cancellation According to a Type of Noise |
CN103606372A (en) * | 2013-11-08 | 2014-02-26 | 四川长虹电器股份有限公司 | Noise eliminating method based on intelligent home furnishing and system thereof |
CN104081789A (en) * | 2011-11-09 | 2014-10-01 | 索尼公司 | Headphone device, terminal device, information transmission method, program, and headphone system |
US20150294662A1 (en) * | 2014-04-11 | 2015-10-15 | Ahmed Ibrahim | Selective Noise-Cancelling Earphone |
CN106328152A (en) * | 2015-06-30 | 2017-01-11 | 芋头科技(杭州)有限公司 | Automatic identification and monitoring system for indoor noise pollution |
US20200186912A1 (en) * | 2016-11-21 | 2020-06-11 | Raphael Blouet | Audio headset device |
CN112509549A (en) * | 2020-12-28 | 2021-03-16 | 重庆电子工程职业学院 | Active noise reduction method for ambient noise |
-
2021
- 2021-04-29 CN CN202110473144.9A patent/CN113301466A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080159161A1 (en) * | 2006-12-28 | 2008-07-03 | Verizon Services Organization Inc. | Method and system for inserting selelcted comfort signal |
CN104081789A (en) * | 2011-11-09 | 2014-10-01 | 索尼公司 | Headphone device, terminal device, information transmission method, program, and headphone system |
US20130156214A1 (en) * | 2011-12-20 | 2013-06-20 | Texas Instruments Incorporated | Method and System for Active Noise Cancellation According to a Type of Noise |
JP2013065039A (en) * | 2012-12-07 | 2013-04-11 | Sony Corp | Headphone, headphone noise reduction method and program for noise reduction processing |
CN103606372A (en) * | 2013-11-08 | 2014-02-26 | 四川长虹电器股份有限公司 | Noise eliminating method based on intelligent home furnishing and system thereof |
US20150294662A1 (en) * | 2014-04-11 | 2015-10-15 | Ahmed Ibrahim | Selective Noise-Cancelling Earphone |
CN106328152A (en) * | 2015-06-30 | 2017-01-11 | 芋头科技(杭州)有限公司 | Automatic identification and monitoring system for indoor noise pollution |
US20200186912A1 (en) * | 2016-11-21 | 2020-06-11 | Raphael Blouet | Audio headset device |
CN112509549A (en) * | 2020-12-28 | 2021-03-16 | 重庆电子工程职业学院 | Active noise reduction method for ambient noise |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110312235A (en) | Audio frequency apparatus, operation method, device and the storage medium that real-time voice wakes up | |
CN107766030A (en) | Volume adjusting method, device, equipment and computer-readable medium | |
CN108681440A (en) | A kind of smart machine method for controlling volume and system | |
CN109195042B (en) | Low-power-consumption efficient noise reduction earphone and noise reduction system | |
CN107452368A (en) | The noise-reduction method and device of a kind of home appliance | |
US10516940B2 (en) | Multi-resolution audio signals | |
CN108401204A (en) | A kind of novel active noise reduction earphone | |
CN105976829A (en) | Audio processing apparatus and method | |
CN104754462A (en) | Automatic regulating device and method for volume and earphone | |
WO2022262410A1 (en) | Sound recording method and apparatus | |
CN103428593B (en) | The device of audio signal is gathered based on speaker | |
CN105872909B (en) | A kind of method and device for realizing Audio Signal Processing | |
CN106488045A (en) | Control method and control device | |
CN113301466A (en) | Adjustable active noise reduction earphone with built-in noise monitoring device | |
CN103312911B (en) | Data processing method and electronic terminal | |
CN111182416B (en) | Processing method and device and electronic equipment | |
WO2022041485A1 (en) | Method for processing audio signal, electronic device and storage medium | |
CN211184099U (en) | Intelligent sound device and television | |
CN209234005U (en) | It returns sound functional component and assists the sound insulation feedback earphone of Foreigh-language oral-speech training | |
CN104586428B (en) | Fetal heartbeat sound pickup device | |
CN108919277B (en) | Indoor and outdoor environment identification method and system based on sub-ultrasonic waves and storage medium | |
CN111954116A (en) | Bluetooth headset and volume self-adaption method thereof | |
CN204539090U (en) | Audio frequency apparatus | |
CN211858121U (en) | Intelligent internal recording system for electronic musical instrument | |
CN116546126B (en) | Noise suppression method and electronic equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210824 |