CN209642947U - Pick up facility - Google Patents

Abstract

The utility model discloses a kind of pick up facilities, comprising: bottom case, master control borad, Mike's aerofoil and face-piece, wherein master control borad and Mike's aerofoil are fixed between bottom case and face-piece, and Mike's aerofoil is located at close to the side of face-piece；Multiple microphones are provided on Mike's aerofoil, microphone constitutes two groups of microphone arrays, wherein one group is laid out in a ring, is arranged around Mike's aerofoil outer rim, and another group is in cross-shape layout, is located in annular.In the pick up facility of the utility model, microphone has two groups, and one group in a ring, and one group is in cross, in a ring one group, can preferably distinguish the position of sound sender, such as two people speak face-to-face, can issue position by sound, distinguish speaker.In the microphone that cross is arranged, it can guarantee that sound issues the people i.e. directive property of sound source well.This mode is particluarly suitable in more sound source recording scenes such as hearing, inquiry.

Description

Pick up facility

Technical field

The utility model relates to sound to obtain field more particularly to a kind of pick up facility.

Background technique

The application field of pick up facility is extensive, and the scene for needing to acquire sound is also more and more.It is no matter daily or judicial In work, video and audio recording is all very common.

By taking the needs such as the administration of justice adopt card recording as an example, in work of handling a case, such as procuratorial organ, Interrogation Procedure requires whole synchronous Video and audio recording record.Public procurator needs special public procurator and is responsible for notes record during news (inquiry) are asked.General primary weight The period is inquested in or so 7,8 hours, a case is related to multiple news (inquiry) and asks object, can be related within one day multiple case Homeway.coms (inquiry) asks object, and the period of hearing can be grown very much, and the public procurator to record notes is a no small challenge；Quickly it cannot go out to put down Record, news (inquiry) ask notes inefficiency.

Case needs to call a large amount of synchronization Video datas and compare notes record when checking, need manually carefully to go to see It sees discrimination, can not quickly position, be a very big workload for tracing notes.The audio, video data amount of Interrogation Procedure compared with Greatly, fail to carry out data comprehensive analysis and sufficiently application, form data silo, cause the waste of resource.

In order to adapt to rigorously enforce the new situations of ruling by law, assist procuratorial, judicial and public security organ, especially organ, procuratorate that can preferably fulfil prison The responsibility of procuratorial work is superintended and directed, inspection business informatization is promoted, promotion, which is brought a prisoner before the court, investigates data integrated, networking process, facilitates inspection business people Member is rapid to grasp case, and thoroughly solution notes are failed to record, incorrect posting and synchronization video time are long, capacity is big, and backtracking is supervised The problems such as superintending and directing difficulty, highly desirable introducing new technical means solve the problems, such as that these exist.

It allows public procurator to be absorbed in the analysis and investigation of case, liberates the both hands of public procurator, it is automatic logical during news (inquiry) are asked It crosses speech recognition technology and generates notes, can be improved the working efficiency handled a case.

However microphone array product is more single currently on the market, to pickup with converse pickup simultaneously and personnel separate Fulfillment capability is weaker, and directive property is poor.In the related technology, hearing recording mostly uses greatly common tone arm, it may be possible to one Perhaps multiple equipment are typically placed on the wall side or table of hearing room, are recorded to the whole voice of hearing.

Above-mentioned existing equipment has the following problems, firstly, sound pick-up outfit is all distant apart from spokesman's distance, be easy by To the influence of ambient noise and RMR room reverb, not high so as to cause recording clarity and intelligibility, total quality is poor；Secondly, Either a phonographic recorder or multiple phonographic recorders can all record proprietary voice simultaneously, for it is subsequent listen back to review cause Very big inconvenience, and to pickup with converse pickup simultaneously and personnel separate that fulfillment capability is weaker, and directive property is poor etc. asks Topic or equipment cooperate special directive property equipment to carry out pickup simultaneously.

Utility model content

The purpose of the utility model is to provide a kind of pick up facilities, have good acoustic source separation, region recognition performance It is good, sound can be accurately distinguished out and issue people (i.e. sound source).

The pick up facility of the utility model, comprising: bottom case, master control borad, Mike's aerofoil and face-piece, wherein the master control borad And Mike's aerofoil is fixed between the bottom case and the face-piece, Mike's aerofoil is located at close to the face-piece Side；Multiple microphones are provided on Mike's aerofoil, the microphone constitutes two groups of microphone arrays, wherein one group is in ring Shape layout, is arranged around Mike's aerofoil outer rim, and another group is in cross-shape layout, and cross microphone array is located at annular Within microphone array.

Preferably, there is hollow area on the face-piece, pickup net is installed on the hollow area；The equal court of microphone To the pickup net.

Preferably, the microphone and the pickup net spacing 3mm-5mm.

Preferably, further includes: sucker structure is fixedly mounted on the bottom case.

Preferably, the sucker structure includes: sucker ontology and sucker support, and the sucker ontology and the sucker support pass through Connecting shaft is fixedly connected；There is mounting hole, the connecting bushing is set in the mounting hole, the sucker restitope on the bottom case In the bottom case towards the side of the face-piece, the sucker ontology is located at the bottom case backwards to the side of the face-piece, and institute The diameter for stating sucker ontology and the sucker support is greater than the diameter of the mounting hole.

Preferably, further includes: lower shaft is set in outside connecting shaft, and is located at the bottom case backwards to the side of the face-piece, with The bottom case connection.

Preferably, further includes: suction cup carrier；The connecting shaft has along axial hollow cavity, and the sucker support has axial Aperture is connected to the hollow cavity；The suction cup carrier protrudes into the hollow cavity, and institute from the bottom case towards the side of the face-piece Suction cup carrier is stated with outer, is erected in sucker support.

Preferably, further includes: clump weight；The suction cup carrier protrudes into the part of the hollow cavity, forms accommodation space, described Clump weight is arranged in the accommodation space.

Preferably, further includes: clump weight is arranged on bottom case.

Preferably, further includes: fixed ring is fixed between the bottom case and the face-piece；Mike's aerofoil is solid It is fixed to be arranged in the fixed ring.

Preferably, further includes: sealing ring is arranged between Mike's aerofoil and the face-piece.

Preferably, further includes: decorative panel is arranged on the face-piece in the hollow area, and the pickup net is mounted on institute It states on decorative panel；The key opening for installing key is also formed on the decorative panel.

In the pick up facility of the utility model, there are two groups of microphone arrays, one group in a ring, and one group is in cross, is in One group of annular, can preferably distinguish the position of sound sender, such as two people speak face-to-face, can issue by sound Speaker is distinguished in position.In the microphone that cross is arranged, it can guarantee that sound issues the people i.e. directive property of sound source well. This mode is particluarly suitable in more sound source recording scenes such as hearing, inquiry.

Detailed description of the invention

Fig. 1 is the explosive view of the utility model pick up facility；

Fig. 2 is the cross-sectional view of the utility model pick up facility；

Fig. 3 is the top view of the utility model pick up facility.

Appended drawing reference:

1- sucker ontology；2- sucker support；3- lower shaft；4- bottom case；5- suction cup carrier；6- clump weight；7- master control borad；8- is dust-proof It is continuous；9- fixed ring；10- Mike's aerofoil；11- sealing ring；12- keypad；13- key；14- decorative panel；15- face-piece；16- pickup Net；17- microphone.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model Limitation.

The utility model discloses a kind of pick up facility, referring to Fig. 1, Fig. 2 and Fig. 3, mainly include bottom case 4, master control borad 7, Mike's aerofoil 10 and face-piece 15.

Bottom case 4 and face-piece 15, as the shell of entire pick up facility, the two is fastened, and master control borad 7 and Mike's aerofoil 10 are arranged In between.Certainly, other components may also can be arranged wherein.

It is provided with microphone 17 on Mike's aerofoil 10, for acquiring sound, there is adopting for acquisition sound on face-piece 15 Collect hole, which can be the hole being correspondingly arranged according to 17 distribution mode of microphone, be also possible to multiple dense distributions Hole, can also be that a large-scale hollow area, hollow area can install pickup net 16 etc., in order to 17 acquisition sound of microphone Sound avoids distorsion etc..

Based on the structure of above-mentioned face-piece 15, Mike's aerofoil 10 is positioned close to the side of face-piece 15, and master control borad 7 is then arranged Side far from face-piece 15 (namely close to bottom case 4).Certainly, bottom case 4 and face-piece 15 are when placing from overall structure here The differentiation spatially carried out, lower section are known as bottom case 4, and top is known as face-piece 15.

Then illustrate below, the microphone 17 being arranged on Mike's aerofoil 10, the quantity of microphone 17 has multiple, these wheats Gram wind 17 constitutes two groups of microphone arrays, and one group in a ring, and hereinafter referred to as annular microphone array, another group is in cross cloth Office, hereinafter referred to as cross microphone array.

Annular microphone array is arranged around 10 outer rim of Mike's aerofoil, and " edge " here can be 10 direction of Mike's aerofoil In the one side of face-piece 15, close to the part in outside, it can be on 10 outer peripheral surface of Mike's aerofoil.It is, of course, preferable to embodiment In, Mike's aerofoil 10 is arranged in towards in the one side of face-piece 15 in annular microphone array.

Cross microphone array as its name suggests, is arranged at right-angled intersection, and preferably vertical intersection.The cross Shape microphone array is located in annular microphone array, that is, the ring of the composition of multiple microphones 17 in annular microphone array In shape region.Preferably, cross microphone array and annular microphone array are respectively provided with eight microphones 17, for convenience Illustrate, cross microphone array be divided into two parts --- orthogonal first part and second part, first part's tool There are six microphone 17, point-blank, there are two microphones 17 for second part tool, and certain two will necessarily be at one for setting Straight line.It may refer to Fig. 3, for the microphone 17 irised out in Fig. 3 with dotted line for cross microphone array, remaining microphone 17 is ring Shape microphone array.In addition, pickup net 16 is concealed in Fig. 3, in order to show the arrangement situation of microphone 17.

Six microphones for connecting first part form the first line, and two microphones of second part form second and connect Line, the first line and the second line, each other perpendicular bisector.Eight microphones 17 of annular microphone array are uniformly arranged.

Microphone 17 is arranged evenly in cross microphone array, the directive property for the people that can be very good to guarantee to be answered. Microphone 17 is arranged evenly in annular microphone array, the position of sound sender can be preferably distinguished, in the administration of justice For inquiry, general question people and answer people link up face-to-face, and microphone 17 is arranged evenly in annular microphone array, Even if position when question people being allowed to change question, the sound of question people and the people that answers can be also distinguished.The position principle of question people On can be with 360 ° of movement, and in practice, since query condition etc. influences, general question people and answer people are questions face-to-face The scope of activities of people is generally in 180 °.Such case uses the distribution side of microphone 17 in above-mentioned cross microphone array Formula can preferably distinguish question people and answer people, it is, can be good at isolating answer people and question people's audio, no The sound of the two can be made to obscure.

It is to be understood that pick up facility in the application, after picking up sound, possible subsequent work is to change into written form, because This distinguishes the audio of answer people and question people, just particularly important.Certainly, the application does not deny the frequency by sound, amplitude Etc. characteristics equally different sound can also be distinguished, the arrangement mode of above-mentioned microphone 17 is further to improve area Divide effect.But need to know, the number of microphone and corresponding structure setting referred in aforementioned embodiments is only preferably to refer to, base In different demands, number of microphone and corresponding structure setting can be adaptively adjusted.

These microphones 17 are clearly for acquiring sound, they are towards the acquisition hole of above-mentioned face-piece 15, or towards face The pickup net 16 installed on shell 15.Specific direction acquisition hole, is directed towards pickup net 16, also with the set-up mode of face-piece 15 in practice Depending on.

In the case where pickup net 16 is arranged, above-mentioned microphone 17 towards pickup net 16, and and pickup net 16 be between having Away from, between 3mm-5mm, preferably 4.5mm, this distance makes pickup net 16 while filtering noise for their spacing, It can be guaranteed well in terms of frequency response consistency.

The above structure and specific value are only to refer to, and connected applications scene can carry out the adaptability tune based on the design It is whole, to realize the excellent pickup function of the pick up facility --- the accurate position and area for determining sound sender (i.e. sound source) Divide different sound sources.

The other parts of the application pick up facility are described below.

Sucker structure is fixedly mounted on bottom case 4, easily pick up facility can be fixed, and easy to disassemble, Make pick up facility that there is more preferable flexibility, uses and be also more convenient.

Sucker structure includes: sucker ontology 1 and sucker support 2, and sucker ontology 1 is fixedly connected with sucker support 2 by connecting shaft. Namely sucker ontology 1 is fixedly connected by connecting shaft with sucker support 2.

There is mounting hole, connecting bushing is located in mounting hole, and sucker support 2 is located at bottom case 4 towards the one of face-piece 15 on bottom case 4 Side, sucker ontology 1 is located at side of the bottom case 4 backwards to face-piece 15, and sucker ontology 1 and the diameter of sucker support 2 are greater than mounting hole Diameter.That is, sucker structure is stuck in the mounting hole of bottom case 4.Sucker support 2 is in bottom case 4, that is, between bottom case 4 and face-piece 15, Sucker ontology 1 is located at outside bottom case 4, for adsorbing the functions such as fixed.

Preferably, further include lower shaft 3, be set in outside connecting shaft, and be located at the bottom case 4 backwards to the side of face-piece 15, with Bottom case 4 connects.In general, the lower shaft 3 is fixed on bottom case 4 by screw, referring to Fig. 1 and Fig. 2, it can be seen that it has for spiral shell Follow closely across mounting hole.

Further, also there is suction cup carrier 5 between bottom case 4 and face-piece 15, which can have multiple functions, and one Kind is that sucker support 2 is auxiliarily fixed, and can will be made by connection types such as screws, bottom case 4, sucker support 2 and suction cup carrier 5 are successively It is fixedly connected, improves integrated connection stability.Another function is can to provide the installation space of clump weight 6.

Second of function of specific description, will realize the installation space to clump weight 6, it is also necessary to which other parts are matched Close --- connecting shaft has along axial hollow cavity, and sucker support 2 has axial aperture, is connected to hollow cavity.Referring to fig. 2, suction cup carrier 5 Hollow cavity is protruded into side from bottom case 4 towards face-piece 15, and suction cup carrier 5 has outer, is erected in sucker support 2.Here outer The first function, i.e., the function being auxiliarily fixed may be implemented.Suction cup carrier 5 protrudes into the part of hollow cavity, forms accommodation space, In In received space, above-mentioned clump weight 6 is set.

Certainly, in other embodiment, clump weight 6 also be can be arranged directly on bottom case 4.Clump weight it is specific Setting position can have diversified forms, and this specification is not limited to this Shen the above is only two kinds of optional embodiments Please.

Continue with other components that explanation may have.

Fixed ring 9 is fixed between bottom case 4 and the face-piece 15, and Mike's aerofoil 10 is fixed at the fixation On ring 9.Sealing ring 11 is arranged between Mike's aerofoil 10 and the face-piece 15.Sealing ring 11 preferably uses silicagel pad, While playing the role of damping and buffering, it is possible to reduce the unnecessary vibration (shake of vibration, placement location when placement Move, such as pick up facility is placed on desktop, the vibration generated when someone touches desktop or touches pick up facility), and subtract Few unnecessary noise effect (noise is more as caused by above-mentioned vibration).

Preferably, further include decorative panel 14, be arranged on face-piece 15 in the hollow area, pickup net 16 is mounted on the dress On plaque 14；The key opening for installing key 13 is also formed on decorative panel 14.

Key 13 is corresponded to keypad 12, which is that signal connects with master control borad 7, can be wired Connection type, is also possible to wireless connection type, and function is to transmit signal to master control borad 7.Master control borad 7 can also be with microphone 17 signals connection, to control the function of acquisition sound on the whole.

Preferably, on Mike's aerofoil 10, it is provided with dust-proof cotton 8, dust-proof cotton 8 circularizes, should around firmly Mike's aerofoil 10 Dust-proof 8 major function of cotton is dust-proof, meanwhile, there can also be the function of similar sealing ring 11, reduce vibration to a certain extent And noise effect.Understanding is additionally needed, dustproof construction has also can be set in 16 lower section of pickup net, the i.e. side close to bottom case 4, The dustproof construction is mainly flake, is bonded with pickup net 16.The dustproof construction of dust-proof cotton 8 and pickup net 16 is not same zero Component.

In addition, the pick up facility of the application is also possible that other components, such as battery, chip, charging hole etc., these Components can be rationally arranged in pick up facility according to actual design conditions.

The orthographic projection of above-mentioned bottom case 4 and face-piece 15, rounded equilateral triangle, the structures such as Mike's aerofoil 10, pickup net 16, At center position.The periphery of face-piece 15 and bottom case 4 is in round and smooth cambered surface, is extended toward each other.The bottom shape of face-piece 15 It at transitional region, is abutted with bottom case 4, thermal vias can be formed in transitional region, thermal vias penetrates through face-piece 15, makes at it The heat dissipation of the components such as interior master control borad.Meanwhile be also provided with charging hole, earphone connects hole etc., for external circuit use.

In conclusion the pick up facility of the application can preferably distinguish sound by the mode arranged evenly of microphone The position of sender can also guarantee that sound issues the directive property of people well.Meanwhile the setting of sucker structure improves just again Victory can facilitate fixation at any time, and additional " the shock-absorbing noise reduction " that sealing ring 11 and dust-proof cotton provide in addition preferably improves Its pickup function.

The structure, features, and effects of the present invention is described in detail based on the embodiments shown in the drawings, with Upper described is only the preferred embodiment of the utility model, but the present invention does not limit the scope of implementation as shown in the drawings, it is all according to Change or equivalent example modified to equivalent change made by conception according to the utility model, still without departing from specification and figure When showing covered spirit, it should be within the protection scope of the present utility model.

Claims (10)

1. a kind of pick up facility characterized by comprising

Bottom case (4), master control borad (7), Mike's aerofoil (10) and face-piece (15), wherein

The master control borad (7) and Mike's aerofoil (10) are fixed between the bottom case (4) and the face-piece (15), institute Mike's aerofoil (10) are stated to be located at close to the side of the face-piece (15)；

It being provided with multiple microphones (17) on Mike's aerofoil (10), the microphone (17) constitutes two groups of microphone arrays, It is wherein laid out for one group, is arranged around Mike's aerofoil (10) outer rim in a ring；Another group is in cross-shape layout, and cross wheat Gram wind array is located within annular microphone array.

2. pick up facility according to claim 1, which is characterized in that

There is hollow area on the face-piece (15), pickup net (16) are installed on the hollow area；

The microphone (17) is towards the pickup net (16).

3. pick up facility according to claim 2, which is characterized in that

The microphone (17) and pickup net (16) the spacing 3mm-5mm.

4. pick up facility according to claim 1, which is characterized in that further include:

Sucker structure is fixedly mounted on the bottom case (4).

5. pick up facility according to claim 4, which is characterized in that

The sucker structure includes:

Sucker ontology (1) and sucker support (2), the sucker ontology (1) and the sucker support (2) are fixedly connected by connecting shaft；

There is mounting hole, the connecting bushing is set in the mounting hole, and the sucker support (2) is located at institute on the bottom case (4) Side of the bottom case (4) towards the face-piece (15) is stated, the sucker ontology (1) is located at the bottom case (4) backwards to the face-piece (15) side, and the sucker ontology (1) and the diameter of the sucker support (2) are greater than the diameter of the mounting hole.

6. pick up facility according to claim 5, which is characterized in that further include:

Lower shaft (3), is set in outside connecting shaft, and is located at the bottom case (4) backwards to the side of the face-piece (15), with the bottom case (4) it connects.

7. pick up facility according to claim 5, which is characterized in that further include:

Suction cup carrier (5)；

The connecting shaft has along axial hollow cavity, and the sucker support (2) has axial aperture, is connected to the hollow cavity；

The suction cup carrier (5) protrudes into the hollow cavity, and the sucker from the bottom case (4) towards the side of the face-piece (15) Frame (5) has outer, is erected on sucker support (2).

8. pick up facility according to claim 7, which is characterized in that further include:

Clump weight (6)；

The suction cup carrier (5) protrudes into the part of the hollow cavity, forms accommodation space, and the clump weight (6) is arranged in the appearance It receives in space.

9. pick up facility according to claim 1, which is characterized in that further include:

Fixed ring (9) is fixed between the bottom case (4) and the face-piece (15)；

Mike's aerofoil (10) is fixed on the fixed ring (9).

10. pick up facility according to claim 2, which is characterized in that further include:

Decorative panel (14) is arranged on the face-piece (15) in the hollow area, and the pickup net (16) is mounted on the decoration On plate (14)；

The key opening for installing key (13) is also formed on the decorative panel (14).