CN105872747A - Sound field calibration method, wireless remote control device and sound media playing device - Google Patents
Sound field calibration method, wireless remote control device and sound media playing device Download PDFInfo
- Publication number
- CN105872747A CN105872747A CN201510870526.XA CN201510870526A CN105872747A CN 105872747 A CN105872747 A CN 105872747A CN 201510870526 A CN201510870526 A CN 201510870526A CN 105872747 A CN105872747 A CN 105872747A
- Authority
- CN
- China
- Prior art keywords
- sound field
- field calibration
- signal
- remote control
- wireless remote
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/42221—Transmission circuitry, e.g. infrared [IR] or radio frequency [RF]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
- H04N21/4852—End-user interface for client configuration for modifying audio parameters, e.g. switching between mono and stereo
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The embodiment of the invention discloses a sound field calibration method. The method comprises the following steps: a sound media playing device transmits a sound field calibration analog signal; a wireless remote control device receives the sound field calibration analog signal; the wireless remote control device converts the sound field calibration analog signal into a sound field calibration digital signal; the wireless remote control device transmits the sound field calibration digital signal; the sound media playing device receives the sound field calibration digital signal; the sound media playing device calculates equalization parameters according the sound field calibration digital signal; and the sound media playing device adjusts equalization settings of a loudspeaker according to the equalization parameters. The invention further discloses the wireless remote control device and the sound media playing device. The sound field calibration method, the wireless remote control device and the sound media playing device disclosed by the embodiment of the invention enable a user to carry out equalization processing on an audio signal at any time point to eliminate the influence of a sound field, thereby reducing the distortion degree of sound playing.
Description
Technical field
The present embodiments relate to the communications field, more particularly, to a kind of sound field calibration method, nothing
Line remote control equipment and acoustic medium playback equipment.
Background technology
TV is the most universal a kind of multimedia play equipment widest in area.The speaker of TV is being broadcast
During sound reproduction sound, during sound transmission to the ear of user, television set surrounding enviroment are (below
In be referred to as sound field) sound can be produced reflection, absorption etc. and affect and then affect sense of hearing.
During conventional television audio balance in development, in laboratory, build an analog subscriber
The environment of residing sound field, calculates tv speaker audio frequency equal after testing the frequency response curve of this sound field
Weighing apparatus is arranged, and is then integrated in the software of television processor, and this process is also referred to as sound field calibration.
But it is true that the sound field environment residing for different user is discrepant, and this difference there is also
Between user environment and laboratory environment, the audio balance therefore obtained under laboratory simulation environment sets
Putting the effect at different user to alternate betwwen good and bad, user environment is the biggest with the environmental difference of laboratory, receives
The effect of listening is the poorest.
Accordingly, it would be desirable to a kind of new sound field calibration method, wireless remote control device and acoustic medium are play
Equipment allows user at any time point, audio signal can be done equilibrium treatment to eliminate the impact of sound field.
Summary of the invention
One purpose of the embodiment of the present invention be to provide a kind of sound field calibration method, wireless remote control device with
And acoustic medium playback equipment, solve, in prior art when sound playing environment changes, to need
Manually adjust equalizer to adapt to environment, thus the problem affecting Consumer's Experience.
First aspect according to embodiments of the present invention, it is provided that a kind of sound field calibration method, including: sound
Sound apparatus for media playing launches sound field calibration analogue signal；Wireless remote control device receives sound field calibration simulation
Signal；Sound field calibration analogue signal is converted to sound field calibration digital signal by wireless remote control device；Wireless
Sound field calibration digital signal launched by remote control equipment；Acoustic medium playback equipment receives sound field calibration numeral letter
Number；Acoustic medium playback equipment calculates balance parameters according to sound field calibration digital signal；Acoustic medium
Playback equipment adjusts the equalization setting of speaker according to balance parameters.
Preferably, sound field calibration method can also include: wireless remote control device emissioning controling signal；Sound
Sound apparatus for media playing receives control signal, and control signal triggers acoustic medium playback equipment and launches sound field
Calibrated analog signal.
Preferably, acoustic medium playback equipment can play acoustic medium information according to equalization setting.
Second aspect according to embodiments of the present invention, it is provided that a kind of wireless remote control device, including: sound
Field calibration signal receiving device, is used for receiving sound field calibration analogue signal；Analog-digital commutator, is used for
Sound field calibration analogue signal is converted to sound field calibration digital signal；Feedback signal discharger, is used for
Launch sound field calibration digital signal.
Preferably, wireless remote control device can also include control signal discharger, for emission control
Signal, control signal triggers acoustic medium playback equipment and launches sound field calibration analogue signal.
Preferably, sound field calibration signal receiving device can be mike.
Preferably, feedback signal discharger can be bluetooth equipment.
The third aspect according to embodiments of the present invention, it is provided that a kind of acoustic medium playback equipment, including:
Sound field calibration sender unit, is used for launching sound field calibration analogue signal；Feedback signal reception device,
For receiving sound field calibration digital signal；Feedback signal processing means, for according to sound field calibration numeral
Signal calculates balance parameters；Equalizer, for adjusting the equalization setting of speaker according to balance parameters.
Preferably, acoustic medium playback equipment can also include: control signal receives device, is used for connecing
Receiving control signal, described control signal triggers sound field calibration sender unit and launches sound field calibration simulation
Signal；Speaker, for playing acoustic medium information according to equalization setting.
Preferably, sound field calibration sender unit is speaker.
Compared with prior art, the present invention can allow user can do audio signal all at any time point
Weighing apparatus processes to eliminate the impact of sound field, thus distortion level when reducing user's listening to audio, overcome
Traditional sound field method of adjustment underaction, the shortcoming that freely and accurately can not be arranged by user, it is considered to
Arrive the different acoustic fields environment residing for each user, greatly strengthen Consumer's Experience.
By detailed description to the exemplary embodiment of the present invention referring to the drawings, its of the present invention
Its feature and advantage thereof will be made apparent from.
Accompanying drawing explanation
Combined in the description and the accompanying drawing of the part that constitutes description shows the reality of the present invention
Execute example, and together with its explanation for explaining the principle of the present invention.
Fig. 1 is the flow chart of an embodiment of the sound field calibration method of the present invention.
Fig. 2 is the flow chart of another embodiment of the sound field calibration method of the present invention.
Fig. 3 is the structural representation of the wireless remote control device of the present invention.
Fig. 4 is the schematic diagram of the acoustic medium playback equipment of the present invention.
Detailed description of the invention
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should also be noted that
Unless specifically stated otherwise, the parts that illustrate the most in these embodiments and step positioned opposite,
Numerical expression and numerical value do not limit the scope of the invention.
Description only actually at least one exemplary embodiment is illustrative below, never makees
For to the present invention and application thereof or any restriction of use.
May not beg in detail for technology, method and apparatus known to person of ordinary skill in the relevant
Opinion, but in the appropriate case, described technology, method and apparatus should be considered a part for description.
Shown here with in all examples discussed, any occurrence should be construed as merely example
Property rather than as limit.Therefore, other example of exemplary embodiment can have different
Value.
It should also be noted that similar label and letter represent similar terms, therefore, one in following accompanying drawing
A certain Xiang Yi the accompanying drawing of denier is defined, then need not it is carried out further in accompanying drawing subsequently
Discuss.
Fig. 1 is the flow chart of an embodiment of the sound field calibration method of the embodiment of the present invention.
Step S110, acoustic medium playback equipment sends sound field calibration analogue signal.
Acoustic medium playback equipment can be television equipment, audio-frequence player device, video playback apparatus etc.
Comprise the equipment of sound-playing function, the most especially television equipment.
Sound field calibration analogue signal can be acoustical signal, and it is in the nature analogue signal.
Step S120, wireless remote control device receives simulation of acoustic field signal.
Wireless remote control device can be the equipment such as TV remote controller, it is also possible to is disposed on acoustic medium and broadcasts
Put other equipment on equipment.
The device that reception simulation of acoustic field signal can use mike etc. can accept acoustical signal enters
OK.
Step S130, sound field calibration analogue signal is converted to sound field calibration numeral letter by wireless remote control device
Number.
Sound field calibration analogue signal is converted to sound field calibration digital signal here can use modulus to turn
Parallel operation is carried out, and converts analog signals into digital signal so that subsequent treatment.
Step S140, wireless remote control device launches sound field calibration digital signal.
Launching sound field calibration signal can use bluetooth equipment to carry out, and is play with acoustic medium by bluetooth
Equipment communicates.
Step S150, acoustic medium playback equipment receives sound field calibration digital signal.
Receiving sound field calibration signal can also use the bluetooth equipment of correspondence to receive.
Step S160, acoustic medium playback equipment calculates balance parameters according to sound field calibration digital signal.
Step S170, acoustic medium playback equipment adjusts the equalization setting of speaker according to balance parameters.
Fig. 2 is the flow chart of another embodiment of the sound field calibration method of the embodiment of the present invention.
As in figure 2 it is shown, sound field calibration method can also include:
Step S100, wireless remote control device emissioning controling signal and
Step S105, acoustic medium playback equipment receives control signal.
Wherein, control signal triggers acoustic medium playback equipment transmitting sound field calibration analogue signal.
Such as, acoustic medium playback equipment be television equipment, wireless remote control device be the feelings of remote controller
Under shape, a specific keys on remote controller, or an option in EFR STK interface can be passed through
Carrying out emissioning controling signal, then television reception is to this signal, so the triggering of suspension control signal and enter
Row launches the behavior of sound field calibration analogue signal.
Especially, carry out in Fig. 1 or Fig. 2 in distance position, 1 meter to 1.2 meters of telescreen center
Described flow process can reach optimal sound field calibration effect.
And, sound field calibration method can also include:
Step S180, acoustic medium playback equipment plays acoustic medium information according to equalization setting.
I.e. speaker plays sound matchmaker according to amended equalization setting with a more preferably balance parameters
Body information.
Fig. 3 is the structural representation of the wireless remote control device of the embodiment of the present invention.
As it is shown on figure 3, wireless remote control device 10 includes sound field calibration signal receiving device 11, modulus
Conversion equipment 12 and feedback signal discharger 13.
Sound field calibration signal receiving device 11 is used for receiving sound field calibration analogue signal.Wherein, sound field
Calibration signal receiving device 11 can be that the acoustical signals such as mike receive device, sound field calibration analogue signal
Can be acoustical signal, it be in the nature analogue signal.User listens to sound due to sound field calibration process simulation
The scene of sound, acoustical signal the most herein is generally in the frequency range that human ear can be heard.
Analog-digital commutator 12, sound field calibration analogue signal is converted to sound field calibration digital signal by user.
Analog digital conversion is in order to acoustical signal is converted to digital signal so that follow-up process and transmission.
Feedback signal discharger 13, is used for launching sound field calibration digital signal.Feedback signal launches dress
Putting 13 can be bluetooth equipment, and the sound field calibration digital signal now launched is bluetooth wireless signal.
Wireless remote control device 10 can also include control signal discharger (not shown), uses
In emissioning controling signal, control signal triggers acoustic medium playback equipment and launches sound field calibration analogue signal.
Such as, when the remote controller that wireless remote control device is television set, control signal discharger can be distant
A specific keys on control device, or an option in EFR STK interface, user triggers this operation
After, remote controller sends control signal to television set so that television set sends sound field calibration mould to remote controller
Intend signal.
Fig. 4 is the schematic diagram of the acoustic medium playback equipment of the embodiment of the present invention.
As shown in Figure 4, acoustic medium playback equipment 20 include sound field calibration sender unit 21,
Feedback signal reception device 22, feedback signal processing means 23, equalizer 24.
Sound field calibration sender unit 21 is used for launching sound field calibration analogue signal.Wherein, sound field
Calibration sender unit 21 can be the speaker of speaker, such as television set, now sound field calibration
Analogue signal is acoustical signal.
Feedback signal reception device 22, is used for receiving sound field calibration digital signal.When feedback signal is launched
When device 13 is bluetooth equipment, feedback signal reception device is the most also bluetooth equipment, can receive indigo plant
Tooth wireless signal.In a preferred embodiment, the sound field calibration digital signal received can be with shape
In becoming PCM (i.e. pulse code modulation) file to be stored in acoustic medium playback equipment 20 so that follow-up place
Reason.
Feedback signal processing means 23 is for calculating balance parameters according to sound field calibration digital signal.
When the sound field calibration analogue signal launched due to acoustic medium playback equipment 20 travels to calibrating position
Acoustic pressure-frequency curve, under the influence of the frequency response of loudspeaker and sound field, (i.e. target is bent with desired curve
Line) there is certain difference, therefore can calculate a curve, its transverse axis is each calibration frequency
(20-20kHz, 1/12 octave), the longitudinal axis is audio frequency curve and the target of sound field calibration analogue signal
Curve difference on each calibration frequency, the difference curve herein calculated enters on the basis of the value of 1kHz
Row normalization, obtains an equalizer curve, and the FIR that can calculate equalizer according to this curve is (limited
Impact response filter) coefficient, i.e. balance parameters.Sound field school is play at acoustic medium playback equipment 20
The feature of this group balance parameters is added so that the speech simulation letter of human ear uppick during quasi-analog signal
Number press close to sound field calibration analogue signal, i.e. distortion level as far as possible to reduce.
Equalizer 24 for adjusting the equalization setting of speaker according to balance parameters, and equalizer is the most permissible
Manually adjusted by user, it is also possible to automatically adjusted by the method in the present invention.
Acoustic medium playback equipment 20 can also include that control signal receives device and speaker (figure
In the most not shown).
Control signal receives device and is used for receiving control signal, and control signal triggers described sound field calibration letter
Sound field calibration analogue signal launched by number discharger 21.Such as, when acoustic medium playback equipment 20 it is
During television set, what control signal received device reception can be infrared signal or the indigo plant of remote controller transmitting
Tooth wireless signal, sound field calibration sender unit 21 utilizes speaker to broadcast after receiving control signal
Sound reproduction tone signal.
Speaker is for playing acoustic medium information according to equalization setting.When acoustic medium playback equipment 20
During for television set, it is the speaker back sound information of television set.
Being described above various embodiments of the present invention, described above is exemplary, and exhaustive
Property, and it is also not necessarily limited to disclosed each embodiment.At the model without departing from illustrated each embodiment
Enclose with spirit in the case of, many modifications and changes for those skilled in the art
Will be apparent from.The selection of term used herein, it is intended to explain the former of each embodiment best
Reason, actual application or the technological improvement to the technology in market, or make other of the art general
Logical technical staff is understood that each embodiment disclosed herein.The scope of the present invention is come by claims
Limit.
Claims (10)
1. a sound field calibration method, including:
Sound field calibration analogue signal launched by acoustic medium playback equipment；
Wireless remote control device receives described sound field calibration analogue signal；
Described sound field calibration analogue signal is converted to sound field calibration digital signal by wireless remote control device；
Wireless remote control device launches described sound field calibration digital signal；
Acoustic medium playback equipment receives described sound field calibration digital signal；
Acoustic medium playback equipment calculates balance parameters according to described sound field calibration digital signal；
Acoustic medium playback equipment adjusts the equalization setting of speaker according to described balance parameters.
Sound field calibration method the most according to claim 1, also includes:
Wireless remote control device emissioning controling signal；
Acoustic medium playback equipment receives described control signal, and described control signal triggers acoustic medium and broadcasts
Equipment of putting launches sound field calibration analogue signal.
Sound field calibration method the most according to claim 1, also includes:
Acoustic medium playback equipment plays acoustic medium information according to described equalization setting.
4. a wireless remote control device, including:
Sound field calibration signal receiving device, is used for receiving sound field calibration analogue signal；
Analog-digital commutator, for being converted to sound field calibration numeral letter by described sound field calibration analogue signal
Number；
Feedback signal discharger, is used for launching described sound field calibration digital signal.
Wireless remote control device the most according to claim 4, also includes:
Control signal discharger, for emissioning controling signal, described control signal triggers acoustic medium
Sound field calibration analogue signal launched by playback equipment.
Wireless remote control device the most according to claim 4, wherein,
Described sound field calibration signal receiving device is mike.
Wireless remote control device the most according to claim 4, wherein,
Described feedback signal discharger is bluetooth equipment.
8. an acoustic medium playback equipment, including:
Sound field calibration sender unit, is used for launching sound field calibration analogue signal；
Feedback signal reception device, is used for receiving described sound field calibration digital signal；
Feedback signal processing means, for calculating balance parameters according to described sound field calibration digital signal；
Equalizer, for adjusting the equalization setting of speaker according to described balance parameters.
Acoustic medium playback equipment the most according to claim 8, also includes:
Control signal receives device, is used for receiving control signal, and described control signal triggers described sound field
Calibration sender unit launches sound field calibration analogue signal；
Speaker, for playing acoustic medium information according to described equalization setting.
Acoustic medium playback equipment the most according to claim 8, wherein,
Described sound field calibration sender unit is speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510870526.XA CN105872747A (en) | 2015-12-01 | 2015-12-01 | Sound field calibration method, wireless remote control device and sound media playing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510870526.XA CN105872747A (en) | 2015-12-01 | 2015-12-01 | Sound field calibration method, wireless remote control device and sound media playing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105872747A true CN105872747A (en) | 2016-08-17 |
Family
ID=56623991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510870526.XA Pending CN105872747A (en) | 2015-12-01 | 2015-12-01 | Sound field calibration method, wireless remote control device and sound media playing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105872747A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106534444A (en) * | 2016-11-13 | 2017-03-22 | 南京汉隆科技有限公司 | Sound control network phone device and control method thereof |
| CN106878642A (en) * | 2017-02-13 | 2017-06-20 | 微鲸科技有限公司 | Audio automatic equalization system and method |
| CN109803218A (en) * | 2019-01-22 | 2019-05-24 | 北京雷石天地电子技术有限公司 | Sound field of loudspeaker equilibrium automatic calibrating method and device |
| CN112235688A (en) * | 2020-09-25 | 2021-01-15 | 深圳市火乐科技发展有限公司 | Method and device for adjusting sound field |
| CN113179401A (en) * | 2021-05-18 | 2021-07-27 | 康佳集团股份有限公司 | Sound field correction method, terminal and computer readable storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101032187A (en) * | 2004-10-26 | 2007-09-05 | 英特尔公司 | System and method for optimizing media center audio through microphones embedded in a remote control |
| CN101137250A (en) * | 2007-10-08 | 2008-03-05 | 卢灿光 | Vehicle-mounted acoustics self-adaptive sound field regulating method and device |
| JP2010288119A (en) * | 2009-06-12 | 2010-12-24 | Sony Corp | Signal processing device, and signal processing method |
-
2015
- 2015-12-01 CN CN201510870526.XA patent/CN105872747A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101032187A (en) * | 2004-10-26 | 2007-09-05 | 英特尔公司 | System and method for optimizing media center audio through microphones embedded in a remote control |
| CN101137250A (en) * | 2007-10-08 | 2008-03-05 | 卢灿光 | Vehicle-mounted acoustics self-adaptive sound field regulating method and device |
| JP2010288119A (en) * | 2009-06-12 | 2010-12-24 | Sony Corp | Signal processing device, and signal processing method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106534444A (en) * | 2016-11-13 | 2017-03-22 | 南京汉隆科技有限公司 | Sound control network phone device and control method thereof |
| CN106878642A (en) * | 2017-02-13 | 2017-06-20 | 微鲸科技有限公司 | Audio automatic equalization system and method |
| CN109803218A (en) * | 2019-01-22 | 2019-05-24 | 北京雷石天地电子技术有限公司 | Sound field of loudspeaker equilibrium automatic calibrating method and device |
| CN112235688A (en) * | 2020-09-25 | 2021-01-15 | 深圳市火乐科技发展有限公司 | Method and device for adjusting sound field |
| CN113179401A (en) * | 2021-05-18 | 2021-07-27 | 康佳集团股份有限公司 | Sound field correction method, terminal and computer readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20230111715A1 (en) | Fitting method and apparatus for hearing earphone | |
| CN105872747A (en) | Sound field calibration method, wireless remote control device and sound media playing device | |
| CN104284286B (en) | The determination of individual HRTF | |
| US9898248B2 (en) | Method and device for playing modified audio signals | |
| US7564979B2 (en) | Listener specific audio reproduction system | |
| EP2109934B1 (en) | Personalized sound system hearing profile selection | |
| US6668204B2 (en) | Biaural (2channel listening device that is equalized in-stu to compensate for differences between left and right earphone transducers and the ears themselves | |
| Denk et al. | An individualised acoustically transparent earpiece for hearing devices | |
| EP2175669B1 (en) | System and method for configuring a hearing device | |
| US20140037097A1 (en) | Loudspeaker Calibration Using Multiple Wireless Microphones | |
| CN106535076B (en) | space calibration method of stereo sound system and mobile terminal equipment thereof | |
| CN102273232A (en) | An earpiece and a method for playing a stereo and a mono signal | |
| CN107959910B (en) | Audio system and control method | |
| JPWO2016002358A1 (en) | Information processing apparatus, information processing method, and program | |
| JP2014534658A (en) | Method of providing compensation service for characteristics of audio equipment using smart devices | |
| KR101659410B1 (en) | Sound optimization device and method about combination of personal smart device and earphones | |
| CN110191406A (en) | A kind of hearing aid with wireless transmission function | |
| CN106878642A (en) | Audio automatic equalization system and method | |
| KR101450014B1 (en) | Smart user aid devices using bluetooth communication | |
| US20240314488A1 (en) | Acoustic Device and Method | |
| JP2009538554A (en) | Equalization method using standard hearing characteristics and sound output device using the same | |
| KR20120015661A (en) | Hearing aids having function of hearing correction for environment | |
| KR101995670B1 (en) | Personalized system of smart headphone device with oriented chatting function and method of using the same | |
| US11736861B2 (en) | Auto-calibrating in-ear headphone | |
| CN207884862U (en) | Audio frequency apparatus based on human ear simulation architecture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160817 |
|
| WD01 | Invention patent application deemed withdrawn after publication |