CN107820148A - A kind of stereo set for effectively avoiding uttering long and high-pitched sounds - Google Patents
A kind of stereo set for effectively avoiding uttering long and high-pitched sounds Download PDFInfo
- Publication number
- CN107820148A CN107820148A CN201711319605.7A CN201711319605A CN107820148A CN 107820148 A CN107820148 A CN 107820148A CN 201711319605 A CN201711319605 A CN 201711319605A CN 107820148 A CN107820148 A CN 107820148A
- Authority
- CN
- China
- Prior art keywords
- loudspeaker
- pitched sounds
- stereo set
- uttering long
- effectively avoiding
- 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
- 238000009826 distribution Methods 0.000 claims abstract description 6
- 238000005457 optimization Methods 0.000 claims description 3
- 230000005236 sound signal Effects 0.000 claims description 3
- 241000208340 Araliaceae Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 230000003321 amplification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
Abstract
The invention discloses a kind of stereo set for effectively avoiding uttering long and high-pitched sounds, it includes：Loudspeaker assembly, the loudspeaker assembly include the loudspeaker of at least two rotational symmetry distributions, and the axis of symmetry of the rotational symmetry of the loudspeaker is intersected in a central pivot point jointly with the axis of loudspeaker itself, and the central pivot point is used to connect microphone assembly.Compared with prior art, the stereo set for effectively avoiding uttering long and high-pitched sounds of the present invention, it passes through being distributed in loudspeaker rotational symmetry formula on sound cavity shell, and the miaow head of microphone assembly is connected to by connecting pole on the axis of symmetry of loudspeaker rotational symmetry and the central pivot point of loudspeaker axis joint, passes to miaow head (sound pick-up) so as to farthest reduce the resonance of microphone audio amplifier equipment integrating from sound cavity shell and cause the problem of uttering long and high-pitched sounds.
Description
Technical field
The present invention relates to audio frequency power amplifier technical field, more particularly to a kind of stereo set for effectively avoiding uttering long and high-pitched sounds.
Background technology
Microphone and sound equipment are a kind of voice frequency power amplification equipments commonly used in Karaoke.Because traditional microphone and sound equipment are set
Standby is all to use separation independent, and this separation independent mode can improve the quality of audio, but for some amusements etc.
In non professional environment, this self contained facility is bulky, and use is extremely inconvenient.It is but existing by microphone and sound equipment collection
Into in the portable set of one, because the two is integrated in one, resonance, self-excitation Effect (namely uttering long and high-pitched sounds) are necessarily brought.It is this
Resonance feedback self-oscilation effect is typically derived from two aspects, and one is returned by air, second, equipment resonates in itself；Air
It is smaller to return General Influence, and equipment influences to become apparent in itself because solid-borne sound transmission is very fast.
In order to solve the above problems, such as Chinese patent, Patent No.：2016183818.3 disclose a kind of microphone sound
Case equipment integrating, miaow head is connected on the central axis for the loudspeaker that symmetrical expression is distributed by miaow head bracket, passes through acoustic phase
Principle of cancellation, to weaken the influence uttered long and high-pitched sounds.But this mode is ineffective, resonance still can by sound cavity shell etc. its
He is partly directly passed to miaow head.
The content of the invention
It is an object of the invention to provide a kind of stereo set for effectively avoiding uttering long and high-pitched sounds, current microphone audio amplifier is which solved
Equipment integrating can produce the technical problem uttered long and high-pitched sounds.
To reach above-mentioned purpose, technical scheme proposed by the invention is：
A kind of stereo set for effectively avoiding uttering long and high-pitched sounds of the present invention, it includes：Loudspeaker assembly, the loudspeaker assembly bag
Include the loudspeaker of at least two rotational symmetry distributions, the axis of symmetry of the rotational symmetry of the loudspeaker and the axis of loudspeaker itself
A central pivot point is intersected in jointly, and the central pivot point is used to connect microphone assembly.
Wherein, described loudspeaker is respectively connected on an independent sound chamber respectively, and the central pivot point is located at the sound
Outside chamber.
Wherein, described loudspeaker is commonly connected on a sound chamber, and the housing of the sound chamber is additionally provided with one by described
The groove of heart fulcrum.
Wherein, described groove is the gap slot through sound cavity shell, and the cavity connection of the lower section of the gap slot is excellent
Choosing, the bottom of the gap slot is generally aligned in the same plane interior with the central pivot point.
Wherein, described groove is the tubular channel that a case top for having sound chamber extends downwardly out, it is preferred that the pipe
The bottom of shape groove is generally aligned in the same plane interior with the central pivot point.
Wherein, a dividing plate is additionally provided with the connection cavity below described gap slot, whole sound chamber is averaged by the dividing plate
It is divided into two.
Wherein, in addition to microphone assembly and control board, the loudspeaker assembly and microphone assembly electrically connect
In the control board, the Audio Signal Processing that microphone enters is amplified by loudspeaker assembly afterwards, described Mike
Wind component includes sound pick-up, and the sound pick-up is connected to the central pivot point.
Wherein, a connecting pole is additionally provided with the sound pick-up, the end of the connecting pole is connected at the central pivot point,
And the central axis of the connecting pole overlaps with the axis of symmetry of rotational symmetry.
Wherein, the central axis of described connecting pole is vertical with the surfaces of revolution of the rotational symmetry of loudspeaker.
Wherein, in addition to one handle, a power supply being provided with the handle, the handle is connected to the loudspeaker assembly,
Namely loudspeaker assembly is connected to the upper top of handle.
Wherein, described loudspeaker assembly is connected to the bottom of handle.
Preferably, described speaker performance parameter is identical.
Wherein, described loudspeaker is divided into bass group, middle pitch group and/or high pitch group.
Wherein, described control board includes：Voice processing module, music processing module, power amplifier module is exported, it is described
Music processing module includes the circuit module or dsp chip for eliminating voice, and the voice processing module includes optimization
The circuit module or dsp chip of voice.
Compared with prior art, the stereo set for effectively avoiding uttering long and high-pitched sounds of the invention, it is by the way that the loudspeaker of whole are rotated
Symmetrical expression is distributed on sound cavity shell, and the miaow head of microphone assembly is connected to pair of loudspeaker rotational symmetry by connecting pole
In the central pivot point for claiming axis and loudspeaker axis joint, so as to farthest reduce microphone audio amplifier equipment integrating
Resonance passes to miaow head (sound pick-up) from sound cavity shell and causes the problem of uttering long and high-pitched sounds.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the effective stereo set for avoiding uttering long and high-pitched sounds of the present invention.
Fig. 2 is the sectional view of the effective stereo set for avoiding uttering long and high-pitched sounds of the present invention.
Fig. 3 present invention effectively avoids the explosive view for the stereo set first embodiment uttered long and high-pitched sounds.
Fig. 4 is that the loudspeaker assembly for the stereo set that the present invention effectively avoids uttering long and high-pitched sounds combines with microphone assembly one of which
Attachment structure schematic diagram.
Fig. 5 and Fig. 6 is the structural representation of the effective stereo set second embodiment for avoiding uttering long and high-pitched sounds of the present invention.
Fig. 7 and Fig. 8 is the structural representation of the effective stereo set 3rd embodiment for avoiding uttering long and high-pitched sounds of the present invention.
Fig. 9 and Figure 10 is the structural representation of the effective stereo set fourth embodiment for avoiding uttering long and high-pitched sounds of the present invention.
Embodiment
Below with reference to accompanying drawing, give the present invention further elaboration.
Accompanying drawing 1 is referred to accompanying drawing 10, in the present embodiment, this is effectively avoided the stereo set uttered long and high-pitched sounds, and it includes：Mike
Wind component 1, the loudspeaker assembly 2 of the microphone assembly 1 is connected to, one handle component is connected with the loudspeaker assembly 2
3, the microphone assembly 1 and Handleset 3 are divided into the both sides of loudspeaker assembly 2.
Wherein, the loudspeaker assembly 2 includes the loudspeaker 22 of at least two rotational symmetry distributions, the rotation of the loudspeaker 22
Turn the symmetrical axis of symmetry (longitudinal dotted line in such as accompanying drawing 4) and axis (the laterally void as shown in Figure 4 of loudspeaker 22 itself
Line) central pivot point is intersected in jointly, the central pivot point is used to connect microphone assembly 1.
More specifically, described loudspeaker assembly 2 also includes：Sound chamber 21, the sound chamber 21 are interior centrosymmetric provided with one
Cavity 211, at least two symmetrical loudspeakers 22, and a control board 25 are additionally provided with the sound chamber 21, wherein, institute
State loudspeaker 22 and microphone assembly 1 is electrically connected to the control board 25, described microphone assembly 1 is connected to described raise
In the symmetrical center line of sound device 22.Wherein, the cavity 211 in sound chamber 21 is regular prism-shaped, ball-shaped, spheroid shape, cubic type
Deng the cavity of other arbitrary rotational symmetry.
Wherein, in embodiment 1, described sound chamber includes the sound chamber 21 at least two independently, only with two in accompanying drawing 3
Illustrated exemplified by individual sound chamber 21, the structure of unnecessary two sound chambers is analogized with this principle.The loudspeaker 22 is connected to respectively
From independent sound chamber 21 housing on, now, described central pivot point is located in outside the housing of whole sound chambers.
Such as in second embodiment and 3rd embodiment, described sound chamber 21 is an overall sound chamber, described loudspeaker 22
All it is connected on the same overall sound chamber, wherein, the housing of the sound chamber 21 passes through the recessed of the central pivot point provided with one
Groove 212, in accompanying drawing 5 and accompanying drawing 7, described groove 212 is the gap slot through the housing of sound chamber 21, the gap slot
The cavity connection of lower section, it is preferred that in the bottom of the gap slot and the central pivot point are generally aligned in the same plane, so as to microphone
The connecting pole of component is directly connected in the bottom portion of groove and is used to support.
Referring to accompanying drawing 9, it is fourth embodiment, and in this embodiment, sound chamber 21 is equally an overall structure,
Difference is that described groove 212 is the tubular channel that a case top for having sound chamber extends downwardly out, it is preferred that the tubulose
In the bottom of groove and the central pivot point are generally aligned in the same plane, so that the bottom of the connecting pole of microphone assembly is directly connected in
Tubulose trench bottom.
Wherein, be additionally provided with a dividing plate 213 in the connection cavity below second embodiment, described gap slot, it is described every
Whole sound chamber is averagely divided into two by plate 213.
Referring to accompanying drawing 3, the stereo set for effectively avoiding uttering long and high-pitched sounds of the present embodiment also includes microphone assembly 1, institute
The microphone assembly 1 stated includes：Sound pick-up 12, it is connected to the connecting pole 13 of the sound pick-up 12, the end of the connecting pole 13
It is connected in the symmetrical center line of the loudspeaker 22, and control board 25.The loudspeaker assembly 2 and microphone assembly
1 is electrically connected to the control board 25, by loudspeaker assembly after the Audio Signal Processing that microphone assembly 1 is entered
2 amplifications, described microphone assembly 1 include sound pick-up 12, and the sound pick-up 12 is connected to the central pivot point.
Preferably, the end of described connecting pole 13 is connected at the above-mentioned central pivot point of loudspeaker 22.Now, symmetrically set
Resonance almost all phase cancellation at symmetrical centre point caused by the loudspeaker of meter, the miaow head connected herein can be to greatest extent
Reduction is uttered long and high-pitched sounds influence, it is preferred that the connecting pole 13 is made of flexible material, to weaken the propagation to sound wave.Sound pick-up 12
And connecting pole 13 is connected and fixed on loudspeaker assembly 2 commonly through a top plate 14.Wherein, also covered outside described sound pick-up 12
Provided with one meter of head-shield 11.
Preferably, the end of the connecting pole 13 is connected at the central pivot point, and the central shaft of the connecting pole 13
Line overlaps with the axis of symmetry of rotational symmetry.And the central axis of described connecting pole 13 and the rotational symmetry of loudspeaker 22
The surfaces of revolution is vertical.Now, the sound wave that loudspeaker 22 is sent is equal in each lengthwise position wave-path of the connecting pole, phase cancellation effect
It is best.
Wherein, the quantity of described sound chamber 21 is at least two, and the sound chamber 21 is distributed along same Central Symmetry, located at institute
State the loudspeaker 22 on sound chamber 21 while and be distributed along Central Symmetry.In the present embodiment, sound chamber 21 is provided with two, and it is in a left side
Right symmetrical, respective side is provided with the installing port for being used for installing loudspeaker 22, and the inner side of two sound chambers 21 is separate type,
Now the end of connecting pole 13 is connected at the symmetrical centre point of two-loudspeaker 22.And described microphone assembly 1 and loudspeaker
The connecting fulcrum of component 2 is located at the outside of the sound chamber 21.If the inner side of whole sound cavity shells 22 is what is be interconnected, center
Fulcrum portion within the cavity.
More specifically, referring to accompanying drawing 2, described connecting pole 13 is a connecting pole, and the connecting pole is flexible material
It is made, the connecting pole coincides with the vertical line of the mistake symmetrical centre point of loudspeaker Plane of rotation, namely the plane where loudspeaker, and
Cross on the vertical line of loudspeaker symmetrical centre point, connecting pole coincides with the vertical line, now, although to four sides at tucket wave source
, certain angle at above-mentioned vertical line be present, acoustic phase can not all be offset, but vertical line in the sound wave propagated from all directions
On sound wave cancellation level be maximum, further reduce the interference effect that sound chamber resonates in itself.Certainly, position of the fulcrum can be with
Moved above and below along this vertical line in 10 cm ranges.
Certainly, in other embodiment, the outside of the sound chamber 21 is provided with the opening of connection loudspeaker, the inside of sound cavity shell
It is interconnected or each seals off, but it must be ensured that whole sound cavity shells and loudspeaker is with same symmetrical centre pair
Claim distribution.
Preferably, the specification of the loudspeaker 22 in the opening on the sound chamber 21 is identical with parameter, so as to the two
Amplitude, frequency, wavelength is identical, and the position where sound pick-up 12, which is uttered long and high-pitched sounds, influences minimum.
In addition, described sound chamber 21 can also be rotational symmetry, loudspeaker 22 and rotation on the sound chamber 21
Symmetrically.Now, the pickup direction of raise one's voice direction and the microphone of the loudspeaker of loudspeaker is mutually perpendicular to, but also still allows for 30 degree
Within deviation.Also include outside rotational symmetry herein：Axial symmetry, Central Symmetry, radiation symmetric, specular.
Referring to accompanying drawing 3, further, the outside of the sound chamber 21, which is additionally provided with, to be used for multiple sound cavity shells and loudspeaker
The front, rear, left and right shell 24,23,26 and 27 that is assembled into one.
Described Handleset 3 includes：Handle 31, convenient hold are used herein as the microphone audio amplifier for effectively avoiding uttering long and high-pitched sounds
Equipment, wherein, a cavity volume 311 is additionally provided with handle 31, power supply 33 is provided with the cavity volume 311, it is control unit that the power supply, which is used for,
Power supply, in order to which handle is connected on loudspeaker assembly 2 by firm, the upper end of handle 31 is to extending around a bottom plate 32.
As shown in Figure 4, described loudspeaker assembly 2 is connected to the bottom of handle 31, and loudspeaker assembly 2 runs through
In the outer wall of the handle 31 of Handleset 3.
In addition, in the control board 25, include voice processing module, music processing module and output power amplifier mould
Block, the music processing module include the circuit or dsp chip for eliminating voice, and the voice processing module includes excellent
Change the circuit or dsp chip of voice, described dsp chip can handle voice simultaneously and the difference of a chips of music is led to
Road.In at the optimization voice circuit or DSP cores, also include according to the character of frequency response of the loudspeaker and the sound pick-up and
The circuit or algorithm that prevent from uttering long and high-pitched sounds of design, including shift frequency, phase shift or its combination.
Wherein, described loudspeaker 22 is further divided into bass group, middle pitch group and/or high pitch group, i.e., in a manner of groups of
Distribution, it is preferred that above-mentioned groups of bass group, the respective axis of loudspeaker of middle pitch group and high pitch group is coincidence, and all
By central pivot point.
Compared with prior art, the present embodiment effectively avoids the stereo set uttered long and high-pitched sounds, and it is by by the loudspeaker pair of whole
Title formula is distributed on sound cavity shell, and the miaow head of microphone assembly is connected into the symmetrical center line of loudspeaker by connecting pole
On, so as to farthest reduce the problem of uttering long and high-pitched sounds of microphone audio amplifier equipment integrating.
The above, only presently preferred embodiments of the present invention, are not intended to limit embodiment of the present invention, and this area is general
Lead to central scope and spirit of the technical staff according to the present invention, can very easily carry out corresponding flexible or modification, therefore originally
The protection domain of invention should be defined by the protection domain required by claims.
Claims (14)
- A kind of 1. stereo set for effectively avoiding uttering long and high-pitched sounds, it is characterised in that including：Loudspeaker assembly, the loudspeaker assembly bag Include the loudspeaker of at least two rotational symmetry distributions, the axis of symmetry of the rotational symmetry of the loudspeaker and the axis of loudspeaker itself A central pivot point is intersected in jointly, and the central pivot point is used to connect microphone assembly.
- 2. the stereo set as claimed in claim 1 for effectively avoiding uttering long and high-pitched sounds, it is characterised in that described loudspeaker difference is respective It is connected on an independent sound chamber, the central pivot point is located at outside the sound chamber.
- 3. the stereo set as claimed in claim 1 for effectively avoiding uttering long and high-pitched sounds, it is characterised in that described loudspeaker connects jointly In on a sound chamber, the housing of the sound chamber is additionally provided with a groove by the central pivot point.
- 4. the stereo set as claimed in claim 3 for effectively avoiding uttering long and high-pitched sounds, it is characterised in that described groove is through sound The gap slot of cavity shell, the cavity connection of the lower section of the gap slot.
- 5. the stereo set as claimed in claim 3 for effectively avoiding uttering long and high-pitched sounds, it is characterised in that described groove is one by sound chamber The tubular channel that extends downwardly out of case top.
- 6. the stereo set as claimed in claim 4 for effectively avoiding uttering long and high-pitched sounds, it is characterised in that the company below described gap slot A dividing plate is additionally provided with cavity body, whole sound chamber is averagely divided into two by the dividing plate.
- 7. the stereo set as claimed in claim 1 for effectively avoiding uttering long and high-pitched sounds, it is characterised in that also including microphone assembly and control Circuit board processed, the loudspeaker assembly and microphone assembly are electrically connected to the control board, microphone assembly are entered Amplified after the Audio Signal Processing entered by loudspeaker assembly, described microphone assembly includes sound pick-up, and the sound pick-up connects It is connected to the central pivot point.
- 8. the stereo set as claimed in claim 7 for effectively avoiding uttering long and high-pitched sounds, it is characterised in that be additionally provided with one on the sound pick-up Connecting pole, the end of the connecting pole are connected at the central pivot point, and the central axis of the connecting pole and rotational symmetry The axis of symmetry overlap.
- 9. the stereo set as claimed in claim 7 for effectively avoiding uttering long and high-pitched sounds, it is characterised in that the central shaft of described connecting pole Line is vertical with the surfaces of revolution of the rotational symmetry of loudspeaker.
- 10. the stereo set for effectively avoiding uttering long and high-pitched sounds as described in claim 1 to 9 any one, it is characterised in that also including one Handle and a power supply, the handle are connected to the loudspeaker assembly.
- 11. the stereo set as claimed in claim 10 for effectively avoiding uttering long and high-pitched sounds, it is characterised in that described loudspeaker assembly connects It is connected to the bottom of handle.
- 12. the stereo set as claimed in claim 10 for effectively avoiding uttering long and high-pitched sounds, it is characterised in that described speaker performance ginseng Number is identical.
- 13. the stereo set as claimed in claim 10 for effectively avoiding uttering long and high-pitched sounds, it is characterised in that described loudspeaker is divided into low Sound group, middle pitch group and/or high pitch group.
- 14. the stereo set as claimed in claim 7 for effectively avoiding uttering long and high-pitched sounds, it is characterised in that described control board bag Include：Voice processing module, music processing module export power amplifier module, and the music processing module includes for eliminating voice Circuit module or dsp chip, the voice processing module include optimization voice circuit module or dsp chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711319605.7A CN107820148A (en) | 2017-12-12 | 2017-12-12 | A kind of stereo set for effectively avoiding uttering long and high-pitched sounds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711319605.7A CN107820148A (en) | 2017-12-12 | 2017-12-12 | A kind of stereo set for effectively avoiding uttering long and high-pitched sounds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107820148A true CN107820148A (en) | 2018-03-20 |
Family
ID=61605708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711319605.7A Pending CN107820148A (en) | 2017-12-12 | 2017-12-12 | A kind of stereo set for effectively avoiding uttering long and high-pitched sounds |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107820148A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109275053A (en) * | 2018-09-20 | 2019-01-25 | 贵州奥斯科尔科技实业有限公司 | A kind of hand microphone speaker |
| CN115460492A (en) * | 2022-11-09 | 2022-12-09 | 深圳市康米索数码科技有限公司 | Handheld wireless microphone and sound all-in-one machine capable of preventing howling |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02119399A (en) * | 1988-10-27 | 1990-05-07 | Nec Corp | Speaker system |
| JPH0816175A (en) * | 1994-06-27 | 1996-01-19 | Calsonic Corp | Active type silencer |
| WO1996032804A1 (en) * | 1995-04-07 | 1996-10-17 | Konftel Ab | Device and method for voice conference communication |
| US20080205665A1 (en) * | 2007-02-28 | 2008-08-28 | Matsushita Electric Industrial Co., Ltd. | Voice conference apparatus |
| KR20090128689A (en) * | 2008-06-11 | 2009-12-16 | 박승민 | Speaker apparatus unified with microphone |
| JP2013168773A (en) * | 2012-02-15 | 2013-08-29 | Toshiba Corp | Re-broadcast system, main device therefor and loudspeaker method |
| EP2667634A1 (en) * | 2012-05-25 | 2013-11-27 | AKG Acoustics GmbH | Earphone with active suppression of ambient noise |
| CN204291297U (en) * | 2014-12-04 | 2015-04-22 | 席华 | Hand-hold type singing audio amplifier microphone |
| CN205491072U (en) * | 2016-02-06 | 2016-08-17 | 深圳唐恩科技有限公司 | Microphone -and -sound -box integrated equipment |
| CN206294311U (en) * | 2016-12-15 | 2017-06-30 | 付世波 | A kind of microphone audio amplifier equipment integrating |
| WO2017133032A1 (en) * | 2016-02-06 | 2017-08-10 | 深圳唐恩科技有限公司 | Microphone-and-sound-box integrated equipment |
| CN206698378U (en) * | 2016-10-28 | 2017-12-01 | 深圳市麦可胜科技有限公司 | Microphone audio amplifier equipment integrating |
| CN207652628U (en) * | 2017-12-12 | 2018-07-24 | 深圳唐恩科技有限公司 | It is a kind of effectively to avoid the stereo set uttered long and high-pitched sounds |
-
2017
- 2017-12-12 CN CN201711319605.7A patent/CN107820148A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02119399A (en) * | 1988-10-27 | 1990-05-07 | Nec Corp | Speaker system |
| JPH0816175A (en) * | 1994-06-27 | 1996-01-19 | Calsonic Corp | Active type silencer |
| WO1996032804A1 (en) * | 1995-04-07 | 1996-10-17 | Konftel Ab | Device and method for voice conference communication |
| US20080205665A1 (en) * | 2007-02-28 | 2008-08-28 | Matsushita Electric Industrial Co., Ltd. | Voice conference apparatus |
| KR20090128689A (en) * | 2008-06-11 | 2009-12-16 | 박승민 | Speaker apparatus unified with microphone |
| JP2013168773A (en) * | 2012-02-15 | 2013-08-29 | Toshiba Corp | Re-broadcast system, main device therefor and loudspeaker method |
| EP2667634A1 (en) * | 2012-05-25 | 2013-11-27 | AKG Acoustics GmbH | Earphone with active suppression of ambient noise |
| CN204291297U (en) * | 2014-12-04 | 2015-04-22 | 席华 | Hand-hold type singing audio amplifier microphone |
| CN205491072U (en) * | 2016-02-06 | 2016-08-17 | 深圳唐恩科技有限公司 | Microphone -and -sound -box integrated equipment |
| WO2017133032A1 (en) * | 2016-02-06 | 2017-08-10 | 深圳唐恩科技有限公司 | Microphone-and-sound-box integrated equipment |
| CN107046659A (en) * | 2016-02-06 | 2017-08-15 | 深圳唐恩科技有限公司 | A kind of microphone audio amplifier equipment integrating |
| CN206698378U (en) * | 2016-10-28 | 2017-12-01 | 深圳市麦可胜科技有限公司 | Microphone audio amplifier equipment integrating |
| CN206294311U (en) * | 2016-12-15 | 2017-06-30 | 付世波 | A kind of microphone audio amplifier equipment integrating |
| CN207652628U (en) * | 2017-12-12 | 2018-07-24 | 深圳唐恩科技有限公司 | It is a kind of effectively to avoid the stereo set uttered long and high-pitched sounds |
Non-Patent Citations (2)
| Title |
|---|
| 宗敏: "高校体育馆扩声技术仿真研究", 《中国优秀硕士学位论文全文数据库-工程科技II辑》 * |
| 陈飚: "应用于移动设备的声反馈消除算法研究与实现", 《中国优秀硕士学位论文全文数据库-工程科技II辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109275053A (en) * | 2018-09-20 | 2019-01-25 | 贵州奥斯科尔科技实业有限公司 | A kind of hand microphone speaker |
| CN115460492A (en) * | 2022-11-09 | 2022-12-09 | 深圳市康米索数码科技有限公司 | Handheld wireless microphone and sound all-in-one machine capable of preventing howling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11575985B2 (en) | Mass loaded earbud with vent chamber | |
| JP3197664U (en) | Earphone structure with sound conduit | |
| US8116499B2 (en) | Microphone adaptor for altering the geometry of a microphone without altering its frequency response characteristics | |
| US7748495B2 (en) | Tubular loudspeaker | |
| JP2011501579A (en) | Acoustic system | |
| EP0219529A1 (en) | Speaker adapted to corner-loaded installation. | |
| CN104244130A (en) | Earphone | |
| CN107431853A (en) | Loudspeaker enclosure with sealed acoustic suspension chamber | |
| WO2020103588A1 (en) | Loudspeaker box | |
| CN108235175A (en) | Speaker system with directive property and the method for operating speaker system | |
| CN107820148A (en) | A kind of stereo set for effectively avoiding uttering long and high-pitched sounds | |
| CN207652628U (en) | It is a kind of effectively to avoid the stereo set uttered long and high-pitched sounds | |
| EA028745B1 (en) | Loudspeaker housing | |
| US8340337B2 (en) | Loudspeaker module | |
| CN103313162A (en) | Dual-speaker headphone | |
| WO2014194446A1 (en) | Horn type multi-point excitation loudspeaker enclosure | |
| CN1437427B (en) | New-type loudspeaker system | |
| US11601748B1 (en) | Techniques for loudspeaker | |
| CN207235087U (en) | A kind of linear array speaker for being used for the academic cinema of business | |
| JP3154917U (en) | Bass reflex speaker duct | |
| CN210183541U (en) | Multi-sound-emitting unit combined structure | |
| US20210014586A1 (en) | Low-frequency spiral waveguide speaker | |
| KR101559658B1 (en) | Speaker appartus | |
| CN202435591U (en) | Integrated sound box | |
| CN203289620U (en) | Double-speaker earphone |
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 |