CN205545771U - Collection sound device of vertical array of high directional microphone - Google Patents
Collection sound device of vertical array of high directional microphone Download PDFInfo
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- CN205545771U CN205545771U CN201620362263.1U CN201620362263U CN205545771U CN 205545771 U CN205545771 U CN 205545771U CN 201620362263 U CN201620362263 U CN 201620362263U CN 205545771 U CN205545771 U CN 205545771U
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- directional microphone
- high directional
- pedestal
- sound
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- 241000209140 Triticum Species 0.000 claims description 4
- 235000021307 Triticum Nutrition 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
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- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- -1 pedestal and array Chemical compound 0.000 description 1
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Abstract
The utility model discloses a collection sound device of vertical array of high directional microphone aims at providing the collection sound device of vertical array of high directional microphone that the remote pronunciation of ability gathered, and its technical scheme main points are including base and the pickup pipe of array setting on the base, the first high directional microphone of pickup pipe free end tip, the tip of pickup pipe and pedestal connection be equipped with the high directional microphone of second, the base be equipped with that the high directional microphone of a plurality of and second matches gather the sound structure, first high directional microphone and the high directional microphone of second between at least one omni -direction microphone of having arranged, the noise signal that the vertical array setting of this application pickup pipe is not only fed back evenly is convenient for handle, and first high directional microphone, the high directional microphone of second, it can high directivity and abundant campaign objectives sound source speech signal to gather the sound structure, and can link with the formation of video model.
Description
Technical field
This utility model relates to a kind of sound pickup device, more particularly to a kind of high directional microphone longitudinal direction array
Audio collecting device.
Background technology
In fields such as security, security protection, interviews, all kinds of video monitorings or video acquisition system have been used widely.Rely on
All kinds of video monitorings or video acquisition system, can accurately shoot related personnel in long-distance video, but regard in utilization
Frequently monitoring system carries out being difficult to during wide-long shot carry out remote speech collection, if being gathered by remote speech, and video
Monitoring system i.e. may utilize language, dialog information analysis suspect, and video acquisition system can be with video speech synchronous recording, will
Work efficiency can be leveraged.But under actual environment background noise conditions, carry out remote speech collection still there is high difficulty
Degree.
Utility model content
The technical problems to be solved in the utility model is to provide the high directional microphone of a kind of energy remote speech collection longitudinally
The audio collecting device of array.
Technical solution of the present utility model is to provide a kind of high directional microphone longitudinal direction array with following structure
Audio collecting device, the pickup cartridge being arranged on pedestal including pedestal and array, described pickup cartridge free end end first
High directional microphone, the end that described pickup cartridge is connected with pedestal is provided with the second high directional microphone, and described pedestal sets
There are some poly-sound structures matched with the second high directional microphone, the first described high directional microphone and the second high sensing wheat
It is placed with at least one omni-directional microphone between gram wind.
After using above structure, the audio collecting device of high directional microphone longitudinal direction array of the present utility model, with prior art phase
Ratio, has the advantage that and the high directivity mike of harvester must be utilized when remote speech gathers to guarantee to gather
To remote speech, in the application, pickup cartridge array is arranged, and is compared to circumferential array, is arranged in omni-directional on pickup cartridge
The noise catching both sides of Mike's wind energy equilibrium, the noise Rx at pickup cartridge center that circumferential array is arranged connects with the noise in outside
Receipts deviation is more, makes difficult treatment, and result is inaccurate, and the many pickup cartridges that i.e. array is arranged make noise processed simple, instead
The noise signal of feedback is uniform, and uses the first high directional microphone being arranged on pickup cartridge free end end, can the shortest time
Directly receiving remote speech at sound source, the second high directional microphone matches with poly-sound structure can be by the first high sensing Mike
Phonetic incepting at most of sound source after wind reception, the highest directional microphone longitudinal direction array is arranged, and due to pickup cartridge array
Formula is arranged, and can be directed at a certain single human body or other sound sources more accurately, is difficult to by noise jamming near at sound source, especially
When it is to have relatively strong background noise at sound source, the application pickup cartridge array arranges the noise signal not only fed back and is uniformly easy to place
Reason, and the first high directional microphone, the second high directional microphone, poly-sound structure energy high directivity fully receive target sound source
Voice signal, and linkage can be formed with video model, together rotated by pickup cartridge and the photographic head gathering video, and logical
In crossing video, image size calculates sound source distance.
Preferably, described poly-sound structure refers to sound reflection focuses to the trumpet type at the second high directional microphone or throwing
Thing type reflecting surface.
Preferably, described pedestal is provided with the driving assembly driving reflecting surface to move axially along pickup cartridge.
Preferably, the position on described pedestal and between neighboring reflection face is provided with poly-sound block.
Preferably, described poly-sound block is detachably connected on pedestal.
Preferably, described poly-sound block is provided with inserted block, and described pedestal is provided with the cannelure matched with inserted block.
Preferably, on described pedestal, pickup cartridge is rotatably connected on pedestal respectively, and described poly-sound structure all followed by phase
Corresponding pickup cartridge rotates.
Preferably, described pedestal is provided with the turntable driving pedestal to rotate.
Preferably, it is provided with photographic head in the middle part of described pedestal.
Accompanying drawing explanation
Fig. 1 is the structural representation of the audio collecting device of high directional microphone longitudinal direction array of the present utility model.
Fig. 2 is the structural representation of pickup cartridge of the present utility model and reflecting surface.
Fig. 3 is the schematic diagram of this utility model sound-source signal and noise signal.
Shown in figure: 1, pedestal；2, pickup cartridge；3, the first high directional microphone；4, the second high directional microphone；5、
Omni-directional microphone；6, reflecting surface；7, turntable；8, photographic head.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Refer to shown in Fig. 1, Fig. 2 and Fig. 3, the collection sound dress of high directional microphone longitudinal direction array of the present utility model
Putting, the pickup cartridge 2 being arranged on pedestal 1 including pedestal 1 and array, pickup cartridge 2 least one set array is arranged,
The present embodiment is provided with two groups, the described high directional microphone 3 in pickup cartridge 2 free end end first, described pickup cartridge 2
The end being connected with pedestal 1 is provided with the second high directional microphone 4, and described pedestal 1 is provided with some and the second high sensing wheat
Gram poly-sound structure that wind 4 matches, described poly-sound structure refers to be focused to by sound reflection at the second high directional microphone 4
Trumpet type or parabolic 6, more sound-source signal and accurate feedback can be assembled to the second high directional microphone 4,
Make reception more preferable, between described the first high directional microphone 3 and the second high directional microphone 4, be placed with at least one
Individual omni-directional microphone 5, is positioned at setting near the first high directional microphone 3 and the second high directional microphone 4 and is equipped with complete
Directional microphone 5, for detecting the noise signal received closest to high directional microphone, and due to the second high sensing Mike
Receive the reflected signal of reflecting surface 6, owing to reflecting surface 6 is arranged on pedestal 1, have what pedestal 1 body construction produced
Noise is sent by reflecting surface 6, is arranged on that to arrange equal omni-directional microphone 5 near the second high directional microphone 4 permissible
Effectively receiving noise signal, remote sound-source signal must utilize the high directivity mike of harvester to ensure when gathering
Can collect remote speech, in the application, pickup cartridge 2 array is arranged, and is compared to circumferential array, is arranged in pickup
The noise catching both sides that on pipe 2, omni-directional microphone 5 can equalize, the noise at pickup cartridge 2 center that circumferential array is arranged
Receiving more with the noise Rx deviation in outside, make difficult treatment, result is inaccurate, the many pickups that i.e. array is arranged
Pipe 2 makes noise processed simple, and the noise signal of feedback is uniform, and employing is arranged on the first of pickup cartridge 2 free end end
High directional microphone 3, can the most directly receive remote speech at sound source the shortest time, the second high directional microphone 4 and
Poly-sound structure matches phonetic incepting at the most of sound source after being received by the first high directional microphone 3, the highest sensing wheat
Gram wind longitudinal direction array is arranged, and owing to pickup cartridge 2 array is arranged, can be directed at more accurately a certain single human body or
Other sound sources of person, when being difficult to there is relatively strong background noise at noise jamming, especially sound source near at sound source, the application picks up
Sound tube 2 array arranges the noise signal not only fed back and is uniformly easy to process, and the first high directional microphone 3, second is high
Directional microphone 4, poly-sound structure energy high directivity the most fully receive target sound source voice signal, afterwards by the first high sensing
Mike 3 signal forms the first main signal by filter circuit and gain circuitry, by the second high directional microphone 4 signal
Squelch circuit, the circuit signal superposition shape will handled well afterwards is passed through by filter circuit and by omni-directional microphone 5 signal
Subtracting each other and completing denoising between signal is become to form the second main signal, the first main signal and the second main signal superposition and strengthen and go forward side by side
Row array algorithm completes output, and can form linkage with video model, and described pedestal 1 is provided with driving pedestal 1 and rotates
Turntable 7, i.e. together rotated by pickup cartridge 2 and the photographic head 8 gathering video, and pass through image size in video
Calculate sound source distance.
Described pedestal 1 is provided with the driving assembly driving reflecting surface 6 to move axially along pickup cartridge 2, by by reflecting surface
6 can move axially back and forth along pickup cartridge 2, can complete different sound source and can accurately converge to apart from the sound-source signal of lower reflection
On second high directional microphone 4, the range measurement of sound source can be calculated by image size in video, or array microphone
Between the deviation of signal that formed calculate, or make to arrange extra ranging component, such as laser ranging component.
Position on described pedestal 1 and between neighboring reflection face 6 is provided with poly-sound block, increases reflecting surface 6 further
Long-pending, make more sound source model converge on the second high directional microphone 4, described poly-sound block is detachably connected on pedestal 1
On, make structure adapt to the change under varying environment, as relatively near in sound source in the case of poly-sound block need not be installed, reduce volume,
Described poly-sound block is provided with inserted block, and described pedestal 1 is provided with the cannelure matched with inserted block, is joined with projection by slot
Close, easy for installation, simple in construction.
On described pedestal 1, pickup cartridge 2 is rotatably connected on pedestal 1 respectively, and described poly-sound structure all followed by relatively
The pickup cartridge 2 answered rotates, and makes pickup cartridge 2 to relatively rotate, and the most pickup cartridges 2 can form similar fan-shaped shape,
Receive the signal of the cone that sound source sends more accurately, and can in the middle part of a certain degree of minimizing pickup cartridge 2 omnidirectional emerging
Mike receives sound-source signal, makes signal at sound source be strengthened.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to
Stating embodiment, all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, without departing from the some improvement under this utility model principle premise
And retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (9)
1. the audio collecting device of one kind high directional microphone longitudinal direction array, it is characterised in that: include pedestal (1) and array
Formula is arranged on the pickup cartridge (2) on pedestal (1), and described pickup cartridge (2) free end end is provided with the first high sensing wheat
Gram wind (3), the end that described pickup cartridge (2) is connected with pedestal (1) is provided with the second high directional microphone (4), institute
The pedestal (1) stated is provided with some poly-sound structures matched with the second high directional microphone (4), and described first is high to be pointed to
It is placed with at least one omni-directional microphone (5) between mike (3) and the second high directional microphone (4).
The audio collecting device of high directional microphone longitudinal direction array the most according to claim 1, it is characterised in that: described
Poly-sound structure refer to focus to sound reflection trumpet type or the parabolic at the second high directional microphone (4) place
(6)。
The audio collecting device of high directional microphone longitudinal direction array the most according to claim 2, it is characterised in that: described
Pedestal (1) be provided with and drive reflecting surface (6) the driving assembly that moves axially along pickup cartridge (2).
4. according to the audio collecting device of the high directional microphone longitudinal direction array described in claim 1 or 3, it is characterised in that:
Described pedestal (1) position that is upper and that be positioned between neighboring reflection face (6) is provided with poly-sound block.
The audio collecting device of high directional microphone longitudinal direction array the most according to claim 4, it is characterised in that: described
Poly-sound block () be detachably connected on pedestal (1).
The audio collecting device of high directional microphone longitudinal direction array the most according to claim 5, it is characterised in that: described
Poly-sound block be provided with inserted block, described pedestal (1) is provided with the cannelure matched with inserted block.
The audio collecting device of high directional microphone longitudinal direction array the most according to claim 1, it is characterised in that: described
The upper pickup cartridge (2) of pedestal (1) be rotatably connected on respectively on pedestal (1), described poly-sound structure all followed by relatively
The pickup cartridge (2) answered rotates.
The audio collecting device of high directional microphone longitudinal direction array the most according to claim 1, it is characterised in that: described
Pedestal (1) be provided with and drive pedestal (1) turntable (7) that rotates.
The audio collecting device of high directional microphone longitudinal direction array the most according to claim 1, it is characterised in that: described
Pedestal (1) middle part be provided with photographic head (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620362263.1U CN205545771U (en) | 2016-04-26 | 2016-04-26 | Collection sound device of vertical array of high directional microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620362263.1U CN205545771U (en) | 2016-04-26 | 2016-04-26 | Collection sound device of vertical array of high directional microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205545771U true CN205545771U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620362263.1U Expired - Fee Related CN205545771U (en) | 2016-04-26 | 2016-04-26 | Collection sound device of vertical array of high directional microphone |
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| Country | Link |
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| CN (1) | CN205545771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105898636A (en) * | 2016-04-26 | 2016-08-24 | 宁波桑德纳电子科技有限公司 | Highly directional microphone longitudinal array sound collector |
-
2016
- 2016-04-26 CN CN201620362263.1U patent/CN205545771U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105898636A (en) * | 2016-04-26 | 2016-08-24 | 宁波桑德纳电子科技有限公司 | Highly directional microphone longitudinal array sound collector |
| CN105898636B (en) * | 2016-04-26 | 2019-03-12 | 宁波桑德纳电子科技有限公司 | The audio collecting device of high directional microphone longitudinal direction array |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Yunjie Inventor after: Xu Weiming Inventor after: He Ting Inventor after: Huang Songyue Inventor before: Zhu Yunhai Inventor before: Tong Feng Inventor before: Chen Lei Inventor before: Xu Weiming Inventor before: He Ting Inventor before: Huang Songyue Inventor before: Zhou Yan |
|
| COR | Change of bibliographic data | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Highly directional microphone longitudinal array sound collector Effective date of registration: 20190711 Granted publication date: 20160831 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO SANGDENA ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: 2019330000191 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200720 Granted publication date: 20160831 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO SANGDENA ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: 2019330000191 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Highly directional microphone longitudinal array sound collector Effective date of registration: 20200722 Granted publication date: 20160831 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO SANGDENA ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2020330000527 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211015 Granted publication date: 20160831 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO SANGDENA ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2020330000527 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |