CN208462000U - 3D holography sound microphone array bracket - Google Patents
3D holography sound microphone array bracket Download PDFInfo
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- CN208462000U CN208462000U CN201821126554.6U CN201821126554U CN208462000U CN 208462000 U CN208462000 U CN 208462000U CN 201821126554 U CN201821126554 U CN 201821126554U CN 208462000 U CN208462000 U CN 208462000U
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Abstract
The utility model relates to audio frequency apparatus technical fields, a kind of specifically 3D holography sound microphone array bracket, including several microphones, the array bracket is from top to bottom successively arranged+1 layer of microphone array in the vertical direction, 0 layer of microphone array and -1 layer of microphone array, every layer of microphone array includes the corresponding several microphones being equipped with, and the microphone of every layer of microphone array is in circumferential uniform arrangement, the microphone of+1 layer of microphone array is directed vertically to top, the microphone of 0 layer of microphone array is radially directed direction, the microphone of -1 layer of microphone array is directed vertically to lower section.The utility model compared with the existing technology, the advantage is that: pickup record can be carried out to the sound field in locating space, realizes the effect of holographic sound positioning, and sound-reducing when being easily achieved subsequent processing.
Description
Technical field
The utility model relates to audio frequency apparatus technical field, a kind of specifically 3D holography sound microphone array branch
Frame.
Background technique
With the development of 3D sound, the production of most 3D sound is completed all in such a way that the later period is artificial synthesized.And it is preceding
End directly pick up sound field pickup system substantially can with 2 kinds, first is that using tradition recording surround sound some standard record types,
Such as Oct-Surround Tree, the modes such as Decca Tree, Fukada Tree, Hamasaki Square, this mode
Pickup more application and music hall pickup record, and limitation is applied in the field that the surround sounds such as such as 5.1 sound channels play back, and shortage has
A possibility that effect, high-precision 3D Sound image localization.Another kind is the Ambisonic synthesis mode using HOA, such as
The microphone of 4 sound heads such as Soundfiled by later period decoded back to corresponding 3D sound field, but is unable to reach the conjunction of WFS wave field
The effect positioned at mode holography sound.
It is one on 3D holography sound recording arrangement therefore, it is necessary to design a kind of 3D holography sound microphone array bracket
Secondary breakthrough.
Summary of the invention
Utility model aims to solve the deficiencies in the prior art, provide a kind of 3D holography sound microphone array branch
Frame carries out pickup record to the sound field in locating space, realizes the effect of holographic sound positioning.
To achieve the goals above, a kind of 3D holography sound microphone array bracket, including several microphones are designed, it is described
Array bracket be from top to bottom successively arranged+1 layer of microphone array, 0 layer of microphone array and -1 layer of Mike in the vertical direction
Wind array, every layer of microphone array includes the corresponding several microphones being equipped with, and the microphone of every layer of microphone array is in ring
To uniform arrangement, the microphone of+1 layer of microphone array be directed vertically to top, the wheat of 0 layer of microphone array
Gram wind is radially directed direction, and the microphone of -1 layer of microphone array is directed vertically to lower section.
The utility model also has following preferred technical solution:
The array bracket includes pedestal, and the pedestal top is equipped with annular brace bar, the annular brace bar
Several vertical support rods are uniformly provided on circumferential direction, the top of the vertical support rod is connected with the Mike of+1 layer of microphone array
Wind, the microphone of 0 layer of microphone array is connected in the middle part of the vertical support rod, and the bottom end of the vertical support rod connects
It is connected to the microphone of -1 layer of microphone array.
The vertical supporting bar top is equipped with top telescopic rod, and the top telescopic rod is sheathed on the vertical branch
It on the inside of strut, and can be moved in the vertical direction along the vertical support rod, the top telescopic rod passes through locking member reality
Existing position is fixed, and the microphone of+1 layer of microphone array is connected on the top telescopic rod.
The vertical support rod bottom end is equipped with bottom telescopic rod, and the bottom telescopic rod is sheathed on the vertical branch
It on the inside of strut, and can be moved in the vertical direction along the vertical support rod, the bottom telescopic rod passes through locking member reality
Existing position is fixed, and the microphone of -1 layer of microphone array is connected on the bottom telescopic rod.
The vertical supporting bar top is equipped with+1 layer of wheat that top telescopic rod is equipped with for realizing the top telescopic rod
Spacing between the microphone for 0 layer of microphone array being equipped in the middle part of the microphone of gram wind array and the vertical support rod, it is described
Vertical support rod bottom end be equipped with the wheat of -1 layer of microphone array that bottom telescopic rod is equipped with for realizing the bottom telescopic rod
Spacing between the microphone for 0 layer of microphone array being equipped in the middle part of gram wind and the vertical support rod, it is equal that the tune of spacing connects range
For 0-50cm.
The middle part of the vertical support rod is equipped with level on the inside of the horizontal support bar to horizontal support bar is externally provided with
Telescopic rod, the horizontal extension bar outer end are connected with the microphone of 0 layer of microphone array, and the horizontal extension bar can be along institute
The horizontal support bar stated moves in the horizontal direction, and the horizontal extension bar realizes that position is fixed by locking member.
The distance of stretch out and draw back of the horizontal extension bar is 0-30cm.
The microphone uses cardioid directional microphone.
The utility model compared with the existing technology, the advantage is that: can to the sound field in locating space carry out pickup record,
Sound-reducing when realizing the effect of holographic sound positioning, and being easily achieved subsequent processing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model 3D holography sound microphone array bracket in an embodiment.
Fig. 2 is the side view of the utility model 3D holography sound microphone array bracket in an embodiment.
Fig. 3 is the top view of the utility model 3D holography sound microphone array bracket in an embodiment.
In figure: vertical 3. collet of support rod, 4. horizontal support bar of 1. top telescopic rod 2. and 5. bottom of horizontal extension bar
6. annular brace bar of portion's telescopic rod.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing, the people of the structure and principle of this device to this profession
For be very clearly.It should be appreciated that specific embodiment described herein is only used to explain the utility model, and do not have to
In restriction the utility model.
The 3D holography sound microphone array bracket is from top to bottom successively arranged+1 layer of microphone in the vertical direction
Array, 0 layer of microphone array and -1 layer of microphone array, every layer of microphone array include the corresponding several microphones being equipped with,
And the microphone of every layer of microphone array, in circumferential uniform arrangement, the microphone of+1 layer of microphone array is directed vertically to
Top, the microphone of 0 layer of microphone array are radially directed direction, and the microphone of -1 layer of microphone array is vertical
It is downwardly directed.
The array bracket includes pedestal, and the pedestal top is equipped with annular brace bar, the annular brace bar
Several vertical support rods are uniformly provided on circumferential direction, the top of the vertical support rod is connected with the Mike of+1 layer of microphone array
Wind, the microphone of 0 layer of microphone array is connected in the middle part of the vertical support rod, and the bottom end of the vertical support rod connects
It is connected to the microphone of -1 layer of microphone array.
The vertical supporting bar top is equipped with top telescopic rod, and the top telescopic rod is sheathed on the vertical branch
It on the inside of strut, and can be moved in the vertical direction along the vertical support rod, the top telescopic rod passes through locking member reality
Existing position is fixed, and the microphone of+1 layer of microphone array is connected on the top telescopic rod.
The vertical support rod bottom end is equipped with bottom telescopic rod, and the bottom telescopic rod is sheathed on the vertical branch
It on the inside of strut, and can be moved in the vertical direction along the vertical support rod, the bottom telescopic rod passes through locking member reality
Existing position is fixed, and the microphone of -1 layer of microphone array is connected on the bottom telescopic rod.
The vertical supporting bar top is equipped with+1 layer of wheat that top telescopic rod is equipped with for realizing the top telescopic rod
Spacing between the microphone for 0 layer of microphone array being equipped in the middle part of the microphone of gram wind array and the vertical support rod, it is described
Vertical support rod bottom end be equipped with the wheat of -1 layer of microphone array that bottom telescopic rod is equipped with for realizing the bottom telescopic rod
Spacing between the microphone for 0 layer of microphone array being equipped in the middle part of gram wind and the vertical support rod, it is equal that the tune of spacing connects range
For 0-50cm.
The middle part of the vertical support rod is equipped with level on the inside of the horizontal support bar to horizontal support bar is externally provided with
Telescopic rod, in present embodiment, horizontal support bar is fixedly connected on the middle part of vertical support rod by welding, described
Horizontal extension bar outer end is connected with the microphone of 0 layer of microphone array, and the horizontal extension bar can be along described horizontally-supported
Bar moves in the horizontal direction, and the horizontal extension bar realizes that position is fixed by locking member.
In one preferred embodiment, the locking member is bolt, the horizontal extension bar, top telescopic rod
Several threaded holes are equipped with bottom telescopic rod, it is several logical to being correspondingly provided on the vertical support rod and horizontal support bar
Hole is stretched by by screw bolt passes through-hole and threaded hole and after screwing, being able to achieve horizontal extension bar, top telescopic rod and bottom
The fixation of contracting bar.
In one preferred embodiment, the microphone is stretched by microphone collet and horizontal extension bar or top
Contracting bar or bottom telescopic rod are connected, and the microphone collet is stretched with the horizontal extension bar or top telescopic rod or bottom
Contracting bar is rotatedly connected, and can change the direction of microphone by rotating the microphone collet, tune when in order to use connects.
In present embodiment, described being rotatedly connected is realized by hinged mode, or is stretched in the horizontal extension bar or top
Contracting bar or bottom telescopic rod are equipped with several to the extended segment being oppositely arranged, and are correspondingly provided with through-hole between the extended segment, lead to
It is connected with pin shaft between hole, microphone collet is fixedly connected on the pin shaft, microphone can be rotated by rotating pin
The angle of collet, pin shaft both ends are equipped with screw thread, can be bolted on the outside of extended segment, when pin shaft is fixed by bolt without
Method rotation is to guarantee the fixation of microphone collet and microphone.
In one preferred embodiment, the distance of stretch out and draw back of the horizontal extension bar is 0-30cm.
In one preferred embodiment, the microphone uses cardioid directional microphone.
Embodiment 1
In present embodiment, every layer of microphone array includes 8 microphones, and 3 layers of microphone array amount to 24 Mikes
Wind.
0 layer of microphone array: the microphone of 8 same performance parameters is evenly arranged on 2 meters -2.3 meters of diameter of circumference,
Using cardioid directional microphone, sound head is axially directed to circumference outer diameter horizontal direction.0 layer of microphone array adjacent microphone two-by-two
Between separately constitute a pair " stereo " AB pickup standard.For the acoustic image for picking up xy axial plane (i.e. horizontal plane) to be accurately positioned.
- 1 layer of microphone array: the microphone of 8 same performance parameters and 0 layer of microphone are be overlapped on horizontal position, position
In 2 meters of circumference of diameter；Vertical direction and 0 layer of spacing are adjustable from 0-50cm, and microphone is directed toward underface.- 1 layer of microphone
Array equally separately constitutes a pair " stereo " AB pickup standard between adjacent microphone two-by-two, for picking up z-axis negative direction
The acoustic image of (i.e. lower section).
+ 1 layer of microphone array: the microphone of 8 same performance parameters and 0 layer of microphone are be overlapped on horizontal position, position
In 2 meters of circumference of diameter；Vertical direction and 0 layer of spacing are adjustable from 0-50cm, and microphone is directed toward surface.+ 1 layer of microphone
Array equally separately constitutes a pair " stereo " AB pickup standard between adjacent microphone two-by-two, for picking up z-axis positive direction
The acoustic image of (i.e. top).
The OCT standard an of vertical direction, i.e. 0 layer of microphone are formed by 3 in one group of microphone of the same point of xy axis
Horizontal 0-30cm spacing is adjustable ,+1 layer and -1 layer of microphone it is adjustable in the spacing of 0-50cm even angle between 0 layer respectively
Section (90 ° of angle of default).The stereo sound image pickup positioning of an organic z-axis height level is formed in this way.
24 road microphone signals arrange the loudspeaking of corresponding WFS wave field synthesis per can be used as a target voice all the way
Device puts position and restores scheme.
Using the array bracket of present embodiment, the sound field to locating space pickup note can be carried out with really realizing panorama
Record.In subsequent production reduction, the audio signal that 24 are picked up arranges corresponding WFS wave field by way of target voice
The loudspeaker pendulum position of synthesis restores scheme, is arranged by corresponding loudspeaker array and realizes that physics restores acoustic wavefield, virtual emulation
Reproduce the sound field experience of institute's pickup environment.It, can be backward compatible simultaneously in the arbitrary placement for passing through virtual speaker sound object
The format of existing sound.
Claims (8)
1. a kind of 3D holography sound microphone array bracket, including several microphones, it is characterised in that the array bracket exists
+ 1 layer of microphone array, 0 layer of microphone array and -1 layer of microphone array, every layer of wheat are from top to bottom successively arranged on vertical direction
Gram wind array includes the corresponding several microphones being equipped with, and the microphone of every layer of microphone array is in circumferential uniform arrangement,
The microphone of+1 layer of microphone array is directed vertically to top, and the microphone of 0 layer of microphone array is radially directed
Direction, the microphone of -1 layer of microphone array are directed vertically to lower section.
2. 3D holography sound microphone array bracket as described in claim 1, it is characterised in that the array bracket includes
Pedestal, the pedestal top are equipped with annular brace bar, and the annular brace burr is uniformly provided with several vertical supports upwards
Bar, the top of the vertical support rod are connected with the microphone of+1 layer of microphone array, the middle part of the vertical support rod
It is connected with the microphone of 0 layer of microphone array, the bottom end of the vertical support rod is connected with the Mike of -1 layer of microphone array
Wind.
3. 3D holography sound microphone array bracket as claimed in claim 2, it is characterised in that the vertical support rod top
End is equipped with top telescopic rod, and the top telescopic rod is sheathed on the inside of the vertical support rod, and can be along described vertical
Support rod moves in the vertical direction, and the top telescopic rod realizes that position is fixed by locking member, and the top is flexible
The microphone of+1 layer of microphone array is connected on bar；
The vertical support rod bottom end is equipped with bottom telescopic rod, and the bottom telescopic rod is sheathed on the vertical support rod
Inside, and can be moved in the vertical direction along the vertical support rod, the bottom telescopic rod realizes position by locking member
Fixation is set, the microphone of -1 layer of microphone array is connected on the bottom telescopic rod.
4. 3D holography sound microphone array bracket as claimed in claim 3, it is characterised in that the vertical support rod top
End is equipped with the microphone and the vertical branch for+1 layer of microphone array that top telescopic rod is equipped with for realizing the top telescopic rod
Spacing between the microphone for 0 layer of microphone array being equipped in the middle part of strut, the vertical support rod bottom end is stretched equipped with bottom
It is equipped in the middle part of the microphone for -1 layer of microphone array that contracting bar is equipped with for realizing the bottom telescopic rod and the vertical support rod
0 layer of microphone array microphone between spacing, it is 0-50cm that the tune of spacing, which connects range,.
5. 3D holography sound microphone array bracket as claimed in claim 2 or claim 3, it is characterised in that the vertical support rod
Middle part to horizontal support bar is externally provided with, horizontal extension bar, the horizontal extension bar are equipped on the inside of the horizontal support bar
Outer end is connected with the microphone of 0 layer of microphone array, and the horizontal extension bar can be along the horizontal support bar in level side
It moves up, the horizontal extension bar realizes that position is fixed by locking member.
6. 3D holography sound microphone array bracket as claimed in claim 5, it is characterised in that the horizontal extension bar
Distance of stretch out and draw back is 0-30cm.
7. 3D holography sound microphone array bracket as described in claim 1, it is characterised in that the microphone uses the heart
Type directional microphone.
8. 3D holography sound microphone array bracket as described in claim 1, it is characterised in that the wheat of every layer of microphone array
Gram wind is 2m-2.3m in circumferential uniform arrangement, the circumferential diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821126554.6U CN208462000U (en) | 2018-07-17 | 2018-07-17 | 3D holography sound microphone array bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821126554.6U CN208462000U (en) | 2018-07-17 | 2018-07-17 | 3D holography sound microphone array bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208462000U true CN208462000U (en) | 2019-02-01 |
Family
ID=65179565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821126554.6U Active CN208462000U (en) | 2018-07-17 | 2018-07-17 | 3D holography sound microphone array bracket |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111145773A (en) * | 2019-12-31 | 2020-05-12 | 苏州思必驰信息科技有限公司 | Sound field restoration method and device |
| US20210136487A1 (en) * | 2019-11-01 | 2021-05-06 | Shure Acquisition Holdings, Inc. | Proximity microphone |
| CN114025282A (en) * | 2021-11-03 | 2022-02-08 | 北京道大丰长科技有限公司 | Diversified adapter array device |
| RU2783628C1 (en) * | 2022-02-25 | 2022-11-15 | Николай Анатольевич Сныткин | Binaural surround sound recording device "sphere-10" |
| CN115412790A (en) * | 2022-08-24 | 2022-11-29 | 青岛理工大学 | Random small-aperture plane microphone array arrangement device |
-
2018
- 2018-07-17 CN CN201821126554.6U patent/CN208462000U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210136487A1 (en) * | 2019-11-01 | 2021-05-06 | Shure Acquisition Holdings, Inc. | Proximity microphone |
| US12028678B2 (en) * | 2019-11-01 | 2024-07-02 | Shure Acquisition Holdings, Inc. | Proximity microphone |
| CN111145773A (en) * | 2019-12-31 | 2020-05-12 | 苏州思必驰信息科技有限公司 | Sound field restoration method and device |
| CN114025282A (en) * | 2021-11-03 | 2022-02-08 | 北京道大丰长科技有限公司 | Diversified adapter array device |
| CN114025282B (en) * | 2021-11-03 | 2024-01-30 | 北京道大丰长科技有限公司 | Multidirectional pickup array device |
| RU2783628C1 (en) * | 2022-02-25 | 2022-11-15 | Николай Анатольевич Сныткин | Binaural surround sound recording device "sphere-10" |
| CN115412790A (en) * | 2022-08-24 | 2022-11-29 | 青岛理工大学 | Random small-aperture plane microphone array arrangement device |
| CN115412790B (en) * | 2022-08-24 | 2024-05-28 | 青岛理工大学 | Arbitrary small-aperture plane microphone array arrangement device |
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