CN109327749A - Microphone and its control method and noise-reduction method - Google Patents

Abstract

The invention discloses a microphone and its control method and noise-reduction methods.The microphone includes one first pick-up head, one second pick-up head and a main body.First pick-up head and second pick-up head are arranged at the main body, and wherein first pick-up head, which is set, can acquire the first sound, which, which is set, can acquire second sound, and wherein first sound and the second sound have different frequency.

Description

Microphone and its control method and noise-reduction method

Technical field

The present invention relates to a technical field of external equipment, relate more particularly to a microphone and its control method and noise reduction side Method.

Background technique

With the rapid development of science and technology, the camera function of smart phone is also stronger and stronger, so that mobile phone gradually takes For the picture pick-up device of some professions, if or even the camera of some high pixels is applied on mobile phone, can make the mobile phone have The functions such as take pictures and record a video of the standby high-end cameras that matches in excellence or beauty.Therefore, even if in some occasions or scene for needing profession camera shooting, Such as interview, shooting, scene recording etc., it again may be by operating handset to complete the shooting task of high quality, especially exist Mobile office or in the case where becoming more and more popular from media.

However, although mobile phone meets the photographing request of professional photographed scene to a certain extent, for example, passing through external one A little professional equipments (such as high-definition camera etc.) improve the shooting quality of mobile phone, but for fear of the lightening trend of mobile phone Limitation, these external professional equipments can not be directly installed on a mobile phone.Therefore, with the mobile phone shell of external connecting function Because various external equipments can be easily installed on a mobile phone by it, the corresponding function of the mobile phone is substantially improved, so that should Mobile phone can sufficiently meet the task of various profession shootings.

Currently, occurring mobile phone shell much with external connecting function in the market, the side of the usual mobile phone shell has on the other hand Machine locking portion, for being steadily adapted to a mobile phone, and the other side of the mobile phone shell then has an external adaptable interface, for corresponding to Ground is adapted to specific external equipment, such as camera, flash lamp etc..Particularly, which also has a grip part, makes User can as hold camera mode come horizontally-arranged grippings mobile phone shell, by more easily and convenient for operation in a manner of carry out Shooting, to significantly improve the shooting experience of user.

Due to not only needing to shoot the video information of high-resolution during shooting short-movie or carrying out interview video recording, And be also required to obtain the audio signal of high quality, and the mobile phone generally only has built-in microphone, and works as the mobile phone and one When mobile phone shell adaptedly fits together, the sound hole on the mobile phone will be blocked partially or completely, can not be indexed to clearly Or the audio signal of high quality.Therefore, can a microphone locking portion be set in the mobile phone shell, for an adaptedly external Mike Wind, so that the audio signal of better quality can be obtained by the microphone in the scene for needing radio reception.

Microphone currently on the market can be divided into full directional type microphone, single directional type microphone and two fingers according to directive property To formula microphone, and different types of microphone has different performances, and the occasion of adaptation is also different, for example, full directional type For microphone for the sound from different angle, sensitivity is identical, although the sound of entire environment can be included, It is highly susceptible to the noise of surrounding environment, so that the microphone of this type is suitable for using in the mobile occasion of sound source；Single directional type Microphone (such as cardioid is directed toward or super core shape is directed toward) has optimal radio reception effect only for the sound in front of microphone, and Sound from other directions can be then attenuated, so that the microphone of this type is suitable for using in the occasion of individual's interview.

However, when especially interviewing, interviewee and Interviewee usually be will do it during photography and recording Frequent dialogue, therefore, it will usually an external full directional type microphone, to acquire the interviewee and Interviewee both sides Voice, but the audio quality that the full directional type microphone is included is not high, and contains a large amount of environmental noise.And if using Single directional type microphone is then only capable of including the voice of one of interviewee and Interviewee, to have to be equipped with two Single directional type microphone, to obtain the audio signal of high quality.But due to mobile phone shell small volume itself, it is difficult two simultaneously A microphone is mounted in the mobile phone shell, therefore, it is impossible to meet the needs of including high quality audio on two direction of front and back.

Summary of the invention

A purpose of the present invention is that provide a microphone and its control method and noise-reduction method, can synchronous acquisition not The sound of same frequency, to improve the application range of the microphone.

Another object of the present invention is to provide a microphone and its control method and noise-reduction methods, can be different Synchronous acquisition sound is on direction to obtain the audio signal of high quality, to promote the usage experience of user.

Another object of the present invention is to provide a microphone and its control method and noise-reduction methods, wherein the microphone A main body of two pick-up heads and the microphone removably couple, to replace the pick-up head with different characteristics, thus Improve the adaptability of the microphone.

Another object of the present invention is to provide a microphone and its control method and noise-reduction methods, wherein the microphone Two pick-up heads can be replaced mutually, to adjust the direction of two pick-up head according to actual needs, and then obtain optimal Radio reception effect.

Another object of the present invention is to provide a microphone and its control method and noise-reduction methods, can be based on front and back The switching of camera lens switches the direction of the microphone acquisition audio, automatically to meet the actual needs of different scenes.

Another object of the present invention is to provide a microphone and its control method and noise-reduction methods, can be in same wheat The effect of dual microphone noise reduction is realized on gram wind, to improve audio quality collected.

Another object of the present invention is to provide a microphone and its control method and noise-reduction methods, wherein the microphone Structure it is simple, small volume is very suitable to by the external equipment as a mobile phone, for promoting mobile phone audio collected Quality.

Another object of the present invention is to provide a microphone and its control method and noise-reduction methods, wherein the microphone Suitable for being stably mounted in the mobile phone shell of a smart phone, so as to while being photographed using the mobile phone, Neng Goutong The microphone is crossed to obtain the audio signal of better quality.

Another object of the present invention is to provide a microphone and its control method and noise-reduction methods, wherein the microphone Damping device can reduce influence of the external shock to the microphone in all directions, it is collected to improve the microphone Sound quality.

Another object of the present invention is to provide a microphone and its control method and noise-reduction methods, wherein the microphone Damping device can be adapted to various types of microphones, to facilitate the application and popularization of the damping device.

Another object of the present invention is to provide a microphone and its control method and noise-reduction methods, wherein in order to reach Purpose is stated, does not need the structure using expensive material or complexity in the present invention.Therefore, the present invention is successful and effectively provides One solution, not only one simple microphone of offer and its control method and noise-reduction method, while also adding the Mike The practicability and reliability of wind and its control method and noise-reduction method.

In order to realize above-mentioned at least a goal of the invention or other objects and advantages, the present invention provides a microphones, comprising:

One main body；

One first pick-up head；And

One second pick-up head, wherein first pick-up head and second pick-up head are arranged at the main body, Described in the first pick-up head be set and can acquire the first sound, second pick-up head, which is set, can acquire second sound, wherein First sound and the second sound have different frequency.

In some embodiments of the invention, first pick-up head is arranged at the first end of the main body, and described Two pick-up heads are arranged at the second end of the main body, wherein first pick-up head and second pick-up head are set with court To different directions.

In some embodiments of the invention, first pick-up head is set can generate in response to first sound Corresponding first audio signal, second pick-up head are set can generate corresponding second in response to the second sound Audio signal.

In some embodiments of the invention, first pick-up head is set can generate in response to first sound Corresponding first audio signal, second pick-up head are set can generate corresponding second in response to the second sound Audio signal.

In some embodiments of the invention, first pick-up head includes one first pickup portion and one from described the first ten The first fixing end that line extends, second pick-up head includes that one second pickup portion and one extend from second pickup portion Second fixing end, wherein first fixing end of first pick-up head is suitable for being removable installed in the described of the main body First end, second fixing end of second pick-up head are suitable for being removable installed in the second end of the main body.

In some embodiments of the invention, first pick-up head includes one first pickup portion and one from described the first ten The first fixing end that line extends, second pick-up head includes that one second pickup portion and one extend from second pickup portion Second fixing end, wherein first fixing end of first pick-up head is suitable for being removable installed in the described of the main body First end, second fixing end of second pick-up head are suitable for being removable installed in the second end of the main body.

In some embodiments of the invention, the main body further includes a first end for being arranged at the main body First coupling and one be arranged at the main body the second end the second coupling, wherein first pick-up head includes One is arranged at the first matching piece of first fixing end, and first matching piece can be removable with first coupling It couples with unloading, wherein second pick-up head includes second matching piece for being arranged at second fixing end, and described Second matching piece can removably be coupled with second coupling.

In some embodiments of the invention, first and second matching piece is three-jaw buckle, first He Second coupling is the three-jaw snap seats to match with three-jaw buckle.

In some embodiments of the invention, the main body further includes a control system, wherein the control system is distinguished It can be communicatively coupled with first pick-up head and second pick-up head, for controlling first pick-up head and described Two pick-up heads acquire first sound and the second sound respectively.

In some embodiments of the invention, the control system include a first communication module, a second communication module, One third communication module and an audio amplification block, wherein the first communication module can be by first pick-up head and the sound Frequency amplification module is communicatively coupled, and is used for first audio information transmissions to the audio amplification block, wherein described Audio amplification block is for amplifying first audio-frequency information, to generate one first amplification audio-frequency information；The second communication mould Second pick-up head can be communicatively coupled by block with the audio amplification block, be used for second audio information transmissions To the audio amplification block, wherein the audio amplification block is used to amplify second audio-frequency information, to generate one second Amplify audio-frequency information；The third communication module is suitable for for the audio amplification block and an intelligent terminal being communicatively coupled, For amplifying audio information transmissions to the intelligent terminal for described first and second.

In some embodiments of the invention, the first communication module includes one being arranged at first pick-up head First audio jack of first fixing end and one be arranged at the main body the first end the first audio socket, Described in the first audio socket be communicatively coupled with the audio amplification block, wherein the second communication module include a quilt The second audio jack and one for being set to second fixing end of second pick-up head is arranged at the described of the main body Second audio socket of second end, wherein second audio socket is communicatively coupled with the audio amplification block.

In some embodiments of the invention, the third communication module is selected from an a WiFi module, bluetooth module, one red One of outer mold piece, a GPRS module and an audio interface.

In some embodiments of the invention, the control system further includes the detection module being mutually communicatively coupled It is taken the photograph with generating one with this with a control module wherein the detection module is used to detect image pickup mode locating for an intelligent terminal As the corresponding detection signal of mode, the control module is used to be based on the detection signal, automatically controls first He The opening and closing of second pick-up head.

In some embodiments of the invention, the control system further includes the monitoring mould successively communicably connect Block, a policy generation module and a noise reduction module, wherein the monitoring modular is used to monitor a preposition camera shooting of an intelligent terminal Whether head and a rear camera are in a working condition, to generate and send a monitoring result to the policy generation module, Wherein the policy generation module is used to be based on the monitoring result, generates noise reduction strategies instruction, and the noise reduction strategies are referred to Order is sent to the noise reduction module, leads to wherein the noise reduction module is communicatively connected in a network in the audio amplification block and third Believe between module, wherein the noise reduction module is instructed for executing the noise reduction strategies, to from the audio amplification block It is described first amplification audio-frequency information and it is described second amplification audio-frequency information carry out noise reduction process, generate a noise reduction after audio letter Breath.

It in some embodiments of the invention, further include a damping device, wherein the damping device can be installed in institute Main body is stated, for reducing influence of the external shock to the microphone.

In some embodiments of the invention, the damping device includes a bracket, a connection piece and at least two pairs of elasticity Circle, wherein the connector is arranged at the bracket, suitable for the damping device is installed on a mobile phone shell, wherein the bullet Property circle can be set to the bracket with being tauted, and each pair of elastic ring is arranged across, in each pair of elasticity A microphone chamber is surrounded between circle, for the main body to be penetratingly held in the two microphones chamber.

In some embodiments of the invention, the bracket includes a bottom wall, a roof and four support arms, wherein described Four support arms integrally extend upwardly to four angular zones of the roof from four angular zones of the bottom wall respectively, with from the branch The front-rear direction of frame forms a through channel, for allowing the main body to pass through the bracket through the through channel.

In some embodiments of the invention, the bracket further includes four base angle locating pieces and four apex angle locating pieces, wherein Four base angle locating piece integrally extends outwardly from four angular zone of the bottom wall respectively, the four apex angles locating piece point Do not extend outwardly integrally from four angular zone of the roof, so that the both ends when the elastic ring are fixed in respectively When the base angle locating piece and the apex angle locating piece in a plane diagonal relationship, the elastic ring is tightened naturally.

In some embodiments of the invention, every base angle locating piece and the apex angle locating piece all have two limits Slot, for the end of the elastic ring to be securely maintained at the base angle locating piece or the apex angle locating piece.

In some embodiments of the invention, the bracket further includes eight interfix parts, wherein each centre is fixed Position part is respectively positioned on the middle at adjacent two base angle and apex angle locating piece, so that working as the both ends part of the elastic ring When not being fixed in the interfix part of symmetrical two, the elastic ring laterally or is longitudinally tightened.

In some embodiments of the invention, the connector includes hot shoe side's foot, wherein hot shoe side's foot is from institute The bottom wall for stating bracket extends downwardly, and is suitable for matchingly coupling with the hot shoe in the mobile phone shell, is used for the damping Device is removably installed in the mobile phone shell.

According to another aspect of the present invention, invention further provides the control methods of a microphone, comprising steps of

Image pickup mode locating for the intelligent terminal that one and one microphone of detection is communicatively coupled carries this to generate one The detection signal of image pickup mode, wherein the image pickup mode includes a self-timer mode, a normal photographing mode and an access module；With

Based on the detection signal, control to open or close one first and second pick-up head of the microphone, to meet not With the demand of image pickup mode.

In some embodiments of the invention, described to be based on the detection signal, control the one first and second of the microphone The opening and closing of pick-up head, to meet the step of the needs of different image pickup modes, comprising steps of

If detecting, the intelligent terminal is in the self-timer mode, controls to open first pick-up head of the microphone, and It controls to close second pick-up head of the microphone；

If detecting, the intelligent terminal is in the normal photographing mould mode, controls to close first pickup of the microphone Head, and control to open second pick-up head of the microphone；And

If detecting, the intelligent terminal is in the access modules, controls to open first pick-up head of the microphone, and It controls to open second pick-up head of the microphone.

According to another aspect of the present invention, invention further provides the noise-reduction methods of a microphone, comprising steps of

The one of the intelligent terminal that one and one microphone of monitoring is communicatively coupled is preposition and whether rear camera is in one Working condition, to generate a monitoring result；

By a policy generation module of a control system of the microphone, it is based on the monitoring result, generates a noise reduction plan Slightly instruct；And

It by a noise reduction module of the control system, is instructed based on the noise reduction strategies, one first to the microphone and the Two pick-up heads, one first and second audio-frequency information generated carries out noise reduction process, to obtain the audio-frequency information after a noise reduction.

In some embodiments of the invention, in a strategy generating mould of the control system by the microphone In the step of block is based on the monitoring result, generates noise reduction strategies instruction,

When the front camera that the monitoring result is the intelligent terminal is in the working condition, the noise reduction strategies refer to It enables to be a main audio information with first audio-frequency information, with second audio-frequency information for a background noise audio-frequency information, to this First audio-frequency information carries out noise reduction process；With

When the rear camera that the monitoring result is the intelligent terminal is in the working condition, the noise reduction strategies refer to It enables to be the main audio information with second audio-frequency information, with first audio-frequency information for the background noise audio-frequency information, to this Second audio-frequency information carries out noise reduction process.

According to another aspect of the present invention, invention further provides the noise-reduction methods of a microphone, comprising steps of

The one of the intelligent terminal that one and one microphone of monitoring is communicatively coupled is preposition and whether rear camera is in one Working condition, to generate a monitoring result；

By a policy generation module of a control system of the microphone, it is based on the monitoring result, generates a noise reduction plan Slightly instruct；And

By a noise reduction module of the control system, is instructed based on the noise reduction strategies, an audio of the control system is put The first or second amplification audio-frequency information that big module is amplified carries out noise reduction process, to obtain the amplification audio letter after a noise reduction Breath.

In some embodiments of the invention, in a strategy generating mould of the control system by the microphone In the step of block is based on the monitoring result, generates noise reduction strategies instruction,

When the front camera that the monitoring result is the intelligent terminal is in the working condition, the noise reduction strategies refer to It enables to be a main audio information with the first amplification audio-frequency information, is background noise audio letter with the second amplification audio-frequency information Breath carries out noise reduction process to the first amplification audio-frequency information；With

When the rear camera that the monitoring result is the intelligent terminal is in the working condition, the noise reduction strategies refer to It enables to be the main audio information with the second amplification audio-frequency information, is background noise audio letter with the first amplification audio-frequency information Breath carries out noise reduction process to the second amplification audio-frequency information.

By the understanding to subsequent description and attached drawing, further aim of the present invention and advantage will be fully demonstrated.

These and other objects of the invention, feature and advantage, by following detailed descriptions, drawings and claims are obtained To fully demonstrate.

Detailed description of the invention

Fig. 1 is the stereoscopic schematic diagram of a microphone of one first preferred embodiment according to the present invention.

Fig. 2 is the decomposition diagram of the microphone of above-mentioned first preferred embodiment according to the present invention.

Fig. 3 A is the explosion of one first pick-up head of the microphone of above-mentioned first preferred embodiment according to the present invention Schematic diagram.

Fig. 3 B is the perspective view of the explosion of a main body of the microphone of above-mentioned first preferred embodiment according to the present invention.

Fig. 3 C is the explosion of one second pick-up head of the microphone of above-mentioned first preferred embodiment according to the present invention Schematic diagram.

Fig. 4 is that a state of a damping device of the microphone of above-mentioned first preferred embodiment according to the present invention is shown It is intended to.

Fig. 5 is another status diagram of the damping device of above-mentioned first preferred embodiment according to the present invention.

Fig. 6 is the microphone for being equipped with the damping device of above-mentioned first preferred embodiment according to the present invention Schematic diagram.

Fig. 7 is the use state diagram of the microphone of above-mentioned first preferred embodiment according to the present invention.

Fig. 8 is the block diagram signal of a control system of the microphone of above-mentioned first preferred embodiment according to the present invention Figure.

Fig. 9 is the flow diagram of the control method of a microphone of above-mentioned first preferred embodiment according to the present invention.

Figure 10 is the block diagram representation of a control system of a microphone of one second preferred embodiment according to the present invention.

Figure 11 is the flow diagram of the noise-reduction method of a microphone of above-mentioned second preferred embodiment according to the present invention.

Figure 12 is that the process of another noise-reduction method of a microphone of above-mentioned second preferred embodiment according to the present invention is shown It is intended to.

Specific embodiment

It is described below for disclosing the present invention so that those skilled in the art can be realized the present invention.It is excellent in being described below Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It defines in the following description Basic principle of the invention can be applied to other embodiments, deformation scheme, improvement project, equivalent program and do not carry on the back Other technologies scheme from the spirit and scope of the present invention.

It will be understood by those skilled in the art that in exposure of the invention, term " longitudinal direction ", " transverse direction ", "upper", The orientation of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore above-mentioned art Language is not considered as limiting the invention.

In the present invention, term " one " is interpreted as " one or more " in claim and specification, i.e., in a reality Example is applied, the quantity of an element can be one, and in a further embodiment, the quantity of the element can be multiple.Unless Clearly illustrate in exposure of the invention the element quantity only one, otherwise term " one " can not be interpreted as unique or single One, term " one " should not be understood as the limitation to quantity.

With the continuous development of society, a kind of new development trend has been increasingly becoming from media.Particularly, with intelligence The sound processing function of mobile phone is stronger and stronger, it is no longer necessary to which special computer handles various images or short-sighted frequency, only leads to Cross mobile phone just and can satisfy the various demands from media.However, the serious limit due to smart phone by lightening trend System, so that professional camera or professional wheat is far not achieved in the quality and effect of the self-contained camera or microphone of smart phone Therefore the quality and effect of gram wind in order to improve the usage experience of user, and meet the needs from Media Era, existing market On there is a kind of mobile phone shell, can not only adaptedly accommodate and protect the smart phone, but also can adaptedly install each Kind external equipment, will pass through the mobile phone shell as the external various professional equipments of the smart phone, such as professional camera, professional wheat Gram wind etc., enables the smart phone to acquire the video information and clearer audio signal of more high definition.

Currently, common microphone is an omnidirectional microphone in the market, i.e., the omnidirectional microphone only has single pick up The sound to pick up extraneous sound by the pick-up head, and is converted to an audio signal, then the sound of the microphone by sound head Frequency signal amplification circuit amplifies the pick-up head audio signal collected, and by the amplified audio signal transmission to its His terminal, such as smart phone, audio processing terminal, sound equipment etc. for other terminal processes or utilize the audio signal. Significantly, since the omnidirectional microphone only can be picked up clearly in front of the pick-up head of the omnidirectional microphone Sound, and the sound on other directions can not be clearly picked up, therefore, when using the omnidirectional microphone, needing should The pick-up head of omnidirectional microphone is directed at Sounnd source direction, can acquire high definition audio signal.

In application scenes, for example, by a smart phone access work when, not only to acquire interviewee Video information, but also to acquire to include the dialog procedure between visitor and interviewee.At this point, if the intelligence hand The external omnidirectional microphone of machine, then when the visitor puts question to, it is necessary to by the pick-up head of the omnidirectional microphone towards the visit The person of asking, and when the interviewee answers, it is necessary to the direction of the pick-up head of the omnidirectional microphone is exchanged, so that the unidirectional wheat The pick-up head of gram wind is towards the interviewee.However, in order to obtain the audio signal of high-resolution, it usually needs this is external Omnidirectional microphone is securely installed in the mobile phone shell of the smart phone, to prevent the omnidirectional microphone due to shaking or deviate The quality of audio signal collected is influenced, therefore, in actual use, this for being difficult to adjust the omnidirectional microphone again picks up The direction of sound head, that is to say, that the omnidirectional microphone can not acquire the visitor and the interviewee completely or in high quality Between dialog procedure.Even if adjusting the omnidirectional microphone so frequent in addition, the direction of the omnidirectional microphone can adjust Direction, can be not only a large amount of noise to be introduced in audio signal collected, but also will affect because of the vibration of microphone The whole atmosphere and rhythm of access.

To solve the above-mentioned problems, the present invention provides a microphone and its control method and noise-reduction methods and damping to fill It sets, to acquire the sound of different frequency by the microphone, to obtain the audio signal of high quality.With reference to Fig. 1 of attached drawing To the microphone and its control method and noise-reduction method for shown in Fig. 9, showing one first preferred embodiment according to the present invention. First preferred embodiment according to the present invention, as shown in Figure 1, the microphone 10 includes one first pick-up head 11,1 the Two pick-up heads 12 and a main body 13, wherein first pick-up head 11 and second pick-up head 12 are arranged at the main body 13, wherein first pick-up head 11, which is set, can acquire the first sound, second pick-up head 12, which is set, can acquire second Sound, wherein first sound and the second sound have different frequency, to meet the needs of various application scenarios.

Specifically, as depicted in figs. 1 and 2, first pick-up head 11 is arranged at the first end 1301 of the main body 13, For acquiring one first sound on 1301 direction of the first end of the main body 13, to generate one first audio signal； Second pick-up head 12 is arranged at the second end 1302 of the main body 13, for acquiring described second in the main body 13 The second sound on 1302 directions is held, to generate one second audio signal, wherein first pick-up head 11 and described second Pick-up head 12 is respectively facing different directions, so that the sound on 10 energy synchronous acquisition different directions of the microphone, with Meet the needs, such as access scenario, self-timer scene, the scene of normal photographing etc. of different various application scenarios.

Preferably, first pick-up head 11 and second pick-up head 12 are respectively facing two opposite directions.Citing ground, First pick-up head 11 is located at the front end of the main body 13, to pick up the sound of 13 front side of main body by first pick-up head 11 Sound, and second pick-up head 12 is located at the rear end of the main body 13, after picking up the main body 13 by second pick-up head 12 The sound of side.

At the same time, the main body 13 communicably connects with first pick-up head 11 and second pick-up head 12 respectively It connects, for receiving first and second audio signal from first and second pick-up head 11,12.In addition, such as Fig. 7 institute Show, the main body 13 is suitable for the intelligent terminal with one such as smart phone, IPAD, plate, video camera etc. (below with intelligence Can be for mobile phone 50) be communicatively coupled, so as to by first and second pick-up head 11,12 it is collected this first and second Audio signal transmission enables the smart phone 50 to obtain the high quality in two opposite directions simultaneously to the smart phone 50 Audio signal.

It should be appreciated that first pick-up head 11 can be, but not limited to be implemented as a nearly sound pick-up head, for pick up away from From the sound near first pick-up head 11 of the microphone 10, (smart phone 50 especially is used in self-timer mode Front camera) under, first pick-up head 11 be suitable for pick up user oneself sound；Second pick-up head 12 can be with But it is not limited to be implemented as a directive property pick-up head, for picking up the spy for being located at second pick-up head 12 of the microphone 10 Determine the sound at direction, especially under normal photographing mode (using the rear camera of the smart phone 50), described second Pick-up head 12 is suitable for picking up the sound that the reference object for the rear camera for being located at the smart phone 50 is issued.Pass through The mutual cooperation of first pick-up head 11 and second pick-up head 12, so that in an access mode, first pick-up head 11 convenient for picking up the sound that visitor is issued, and second pick-up head 12 is convenient for picking up the sound that interviewee is issued, into And in the case where not needing adjustment microphone direction, it will be able to the sound of access both sides is completely picked up, it is complete to acquire Audio signal.

It will be appreciated by those skilled in the art that first pick-up head 11 and second pick-up head 12 may be implemented as Such as pick-up head of moving coil picup cartridge or condenser cartridge etc. type, and first and second pick-up head 11, 12 when being implemented as different types of pick-up head, and first pick-up head 11 and second pick-up head 12 will be provided with different pick up Audio fruit, the sound etc. such as picked up in nearly sound, the remote sound of pickup or pickup a direction pick up effect, do not do in the present invention Limitation.

Citing ground, as shown in Fig. 2, first pick-up head 11 includes one first pickup portion 111 and one first fixing end 112, wherein first fixing end 112 extends from first pickup portion 111, and first fixing end 112 is suitable for quilt It is rotatablely arranged at the first end 1301 of the main body 13.Correspondingly, second pick-up head 12 includes one the second ten Line 121 and one second fixing end 122, wherein second fixing end 122 extends from second pickup portion 121, and institute State the second end 1302 that the second fixing end 122 is suitable for being rotatablely arranged at the main body 13.

Specifically, as shown in figs. 3 a and 3 c, first pickup portion 111 includes one first electret 1111, one first Catch net 1112, one first protective shell 1113 and one first hurricane globe 1114, wherein first electret 1111 is arranged at Between first protective shell 1113 and first catch net 1112, it is damaged to prevent first electret 1111, it is described First hurricane globe 1114 can wrap first catch net 1112, to reduce influence of the wind to first electret 1111. Equally, second pickup portion 121 also includes one second electret 1211, one second catch net 1212, one first protective shell 1213 and one second hurricane globe 1214, wherein second electret 1211 is arranged at first protective shell 1213 and described Between second catch net 1212, second hurricane globe 1214 can wrap second catch net 1212, to reduce wind to institute State the influence of the second electret 1211.

First preferred embodiment according to the present invention, as shown in Figure 3B, the main body 13 include a shell 131 and one Control system 132, wherein the shell 131 has second opposite with the first end 1311 of a first end 1311, one End 1312 and a control room 1310 between the first end 1311 and the second end 1312, wherein institute The control room 1310 that control system 132 is arranged at the shell 131 is stated, first pick-up head 11 is removably pacified A first end 1311 loaded on the shell 131, second pick-up head 12 are removably installed in the shell 131 One second end 1311, to replace and repair first and second pick-up head 11,12 of the microphone 10.It should be appreciated that The first end 1311 of the shell 131 corresponds to the first end 1301 of the main body 13, the institute of the shell 131 State the second end 1302 that the second end 1312 corresponds to the main body 13.

It is worth noting that, as shown in Fig. 2 to Fig. 3 C, the main body 13 further includes one being arranged at the shell 131 First coupling 133 of the first end 1311 and one be arranged at the shell 131 the second end 1312 Two couplings 134, that is to say, that first coupling 133 is located at the first end 1301 of the main body 13, and described second Coupling 134 is located at the second end 1302 of the main body 13.First pick-up head 11 includes one being arranged at described the First matching piece 113 of one fixing end 112, and first matching piece 113 and first coupling 133 can be removably First pick-up head 11, is removably installed in the first end 1311 of the shell 131 by coupling；Similarly, Second pick-up head 12 includes second matching piece 123 for being arranged at second fixing end 122, and described second matches Component 123 can be coupled removably with second coupling 134, and second pick-up head 12 is removably installed in institute State the second end 1312 of shell 131.

It should be appreciated that in some other embodiments of the invention, first pick-up head 11 or second pick-up head 12 are fixedly installed on the shell 131 or first pick-up head 11 or second pick-up head 12 can also be by can It is rotatably mounted to the shell 131.Particularly, first pick-up head 11 and second pick-up head 12 can be with different Mounting means is installed in the shell, for example, first pick-up head 11 is fixedly installed on described in the shell 131 First end 1311, second pick-up head 12 are removably installed in the second end 1312 of the shell 131；Or First pick-up head 11 described in person is removably installed in the first end 1311 of the shell 131, second pickup First 12 are rotatably installed on the second end 1312 of the shell 131.

In the preferred embodiment of the invention, it is preferable that first coupling 133 and second coupling 134 structures having the same, that is to say, that first matching piece 113 can not only be 133 mutual with first coupling It is coupled with ground, first pick-up head 11 is removably installed in the first end 1311 of the shell 131, and It can also be coupled with being mutually matched with second coupling 134, first pick-up head 11 is removably installed in institute State the second end 1312 of shell 131.Similarly, second pick-up head 12 can also be removably installed in described The first end 1311 of shell 131, to exchange first pick-up head 11 and described the second ten according to specific needs The position of sound head 12.

In other words, first pick-up head 11 can be dismantled from the first end 1311 of the shell 131 Get off, and replaces second pick-up head 12 and be mounted at the second end 1312 of the shell 131, correspondingly, Second pick-up head 12 can also be disassembled from the second end 1312 of the shell 131, and described in replacement First pick-up head 11 and be mounted at the first end 1311 of the shell 131, and then expand the microphone 10 and make Use scene.

It is highly preferred that as shown in Figure 3A and Figure 3B, first matching piece 113 of first pick-up head 11 is implemented as One three-jaw buckle 1131, first coupling 133 of the main body 13 are implemented as one and buckle 1131 phases with the three-jaw The three-jaw snap seats 1331 matched, and then by being mutually clamped between three-jaw buckle 1131 and the three-jaw snap seats 1331 First pick-up head 11 is securely installed on the first end 1311 of the shell 131 by mode.It should be appreciated that at this In some other embodiments of invention, first matching piece 131 may be implemented as a three-jaw snap seats, and first coupling Fitting 133 may be implemented as three-jaw buckle, and first pick-up head 11 is securely installed on the shell equally to reach The effect of the first end 1311 of body 131.Certainly, first matching piece 113 and first coupling 133 can be with To be such as threadedly coupled, screw connection, magnetic absorption connection etc. connection type couple with being mutually matched, by described the first ten Sound head 11 is removably installed in the first end 1311 of the shell 131.

Similarly, as shown in Fig. 3 B and Fig. 3 C, second matching piece 123 of second pick-up head 12 is implemented as one Three-jaw buckle 1231, second coupling 134 of the main body 13 are implemented as one and match with three-jaw buckle 1231 Three-jaw snap seats 1341, and then pass through the side that is mutually clamped between three-jaw buckle 1231 and the three-jaw snap seats 1341 Second pick-up head 12 is securely installed on the second end 1312 of the shell 131 by formula.

Further, as shown in Figure 1 and shown in Figure 3 B, the shell 131 is implemented as a circular tube shaped shell, so that user is comfortable Ground grips the circular tube shaped shell, is also convenient for that the circular tube shaped shell is installed on a mobile phone shell 60 by a damping device On, and then be the steadily external microphone 10 of the smart phone 50, to pass through 10 synchronous acquisition of the microphone intelligence The sound of the front and rear sides of mobile phone 50 helps to improve the usage experience of user, but also user can utilize the smart phone 50 are more smoothly accessed work.

It should be appreciated that making since described first and second pick-up head 11,12 are installed in same housing 131 The structure for obtaining the microphone 10 is simple, and small volume is very suitable to by the external equipment as a smart phone 50, for mentioning Rise the audio quality collected of smart phone 50.Particularly, the microphone 10 is suitable for being stably mounted in the intelligence hand In one mobile phone shell of machine 50, so as to while being photographed using the smart phone 50, can by the microphone 10 come Obtain the audio signal of better quality.

It is noted that as shown in Fig. 3 A to Fig. 3 C and Fig. 8, the control system 132 of the main body 13 includes One first communication module 1321, a second communication module 1322, a third communication module 1323 and an audio amplification block 1324. The audio amplification block 1324 and first pick-up head 11 can be communicatively coupled by the first communication module 1321, be used , to the audio amplification block 1324, then lead in by first pick-up head 11, first audio signal transmission collected It crosses the audio amplification block 1324 and amplifies first audio signal, to generate and first audio signal corresponding one First amplification audio signal, to obtain distortionless audio signal.The second communication module 1322 can put the audio Big module 1324 and second pick-up head 12 are communicatively coupled, for by second pick-up head 12 collected described the Two audio signal transmissions then amplify described second by the audio amplification block 1324 to the audio amplification block 1324 Audio signal, to generate one second amplification audio signal corresponding with second audio signal, to obtain distortionless sound Frequency signal.The third communication module 1323 can communicably connect the audio amplification block 1324 and the smart phone 50 It connects, by the audio amplification block 1,324 first and second amplification audio signal transmission generated to the smart phone 50, and then the first and second amplifications audio signal is included by the smart phone 50, enable the smart phone 50 same Step obtains sound in the opposite direction.

It should be appreciated that the first communication module 1321, the second communication module 1322, the third communication module 1323 can be, but not limited to be implemented as communicably to be connected in a manner of such as data line, tone frequency channel wire etc. wired connection It connects.Certainly, in some other embodiments of the invention, the first communication module 1321, the second communication module 1322, The third communication module 1323 can lead in such a way that such as WIFI, bluetooth, infrared or 4G etc. are wirelessly connected The connection of letter ground.

Preferably, as shown in Figure 3A and Figure 3B, the first communication module 1321 includes one being arranged at described the first ten First audio jack 13211 and one of first fixing end 112 of sound head 11 is arranged at described the first of the main body 13 First audio socket 13212 at end 1301, wherein first audio jack 13211 can be powered with first pickup portion 111 Ground connection, first audio socket 13212 can be connect with being powered with the audio amplification block 1324, so that working as described first When pick-up head 11 is installed in the first end 1311 of the shell 131, the sound of the first communication module 1321 Frequency plug 13211 is just adaptedly inserted into the audio socket 13212 of the first communication module 1321, and then passes through described the First pick-up head 11 and the audio amplification block 1324 are communicatively coupled by one communication module 1321.

Similarly, as shown in Fig. 3 B and Fig. 3 C, the second communication module 1322 includes one being arranged at described the second ten Second audio jack 13221 and one of second fixing end 122 of sound head 12 is arranged at described the second of the main body 13 Second audio socket 13222 at end 1302, wherein second audio jack 13221 can be powered with second pickup portion 121 Ground connection, second audio socket 13222 can be connect with being powered with the audio amplification block 1324, so that working as described second When pick-up head 12 is installed in the second end 1312 of the shell 131, described the of the second communication module 1322 Two audio jacks 13221 are just adaptedly inserted into second audio socket 13222, Jin Ertong of the second communication module 1322 The second communication module 1322 is crossed to be communicatively coupled first pick-up head 12 and the audio amplification block 1324.It answers Work as understanding, the position of the audio jack and the audio socket can mutually be exchanged, to reach same communication efficiency.

It is worth noting that, first and second audio jack of first and second communication module 1321,1322 13211,13221 such as various types of audio jacks of 3.5mm audio jack, 6.5mm audio jack etc. be may be implemented as； Correspondingly, the audio socket of first and second audio socket 13212,13222 of the first communication module 1321 It may be implemented as such as various types of audio sockets of 3.5mm audio socket, 6.5mm audio socket etc..

In addition, as shown in Figure 3B, the third communication module 1323 is preferably implemented as one and is arranged at the shell Audio interface on 131 can be led in a manner of it will pass through the wired connections such as data line or tone frequency channel wire with the smart phone 50 Letter ground connection, so that the audio amplification block 1,324 first and second amplifications audio signal transmission generated extremely should Smart phone 50.It should be appreciated that the third communication module 1323 can also be implemented as such as WiFi module, bluetooth module, Infrared module or GPRS module, can with the smart phone 50 by the audio amplification block 1324 in a manner of through wireless connection Communicatedly connect.

In first preferred embodiment of the invention, as shown in figure 8, the institute of the main body 13 of the microphone 10 Stating control system 132 further includes the detection module 1325 being mutually communicatively coupled and a control module 1326, wherein described Detection module 1325 is communicatively coupled by the third communication module 1323 and the smart phone 50, for detecting the intelligence The image pickup mode of mobile phone 50 to generate a detection signal corresponding with the image pickup mode, and the detection signal is sent To the control module 1326.The control module 1326 is communicatively coupled with first and second pick-up head 11,12, is used In being based on the detection signal, the opening and closing of first and second pick-up head 11,12 are controlled respectively, and then according to described Detection signal controls whether first and second pick-up head 11,12 picks up first and second sound, to automatically control Make whether first and second pick-up head 11,12 acquires first and second audio signal.In other words, the microphone 10 based on the switching of the front camera and rear camera of the smart phone 50, can automatically control described the first and of the microphone 10 The opening and closing of two pick-up heads 11,12, to meet the needs of various scenes.

Specifically, when the detection module 1325 detects that the smart phone 50 is in a self-timer mode (such as intelligence One front camera of mobile phone 50 is in running order) when, then the detection module 1325 generates one and carries the self-timer mould The first detection signal of formula；Then, after the control module 1326 receives the first detection signal, the control module 1326 generate and send one first control instruction to first and second pick-up head 11,12, wherein first control refers to It enables comprising opening first pick-up head 11 and closing the instruction of second pick-up head 12；Finally, first pick-up head 11 First control instruction is executed, to be in an open state, for acquiring first audio signal, second pick-up head 12 execute first control instruction, to be in a closed state, acquire second audio signal for stopping.Therefore, institute The energy spent by the microphone 10 can not only be reduced by stating microphone 10, but also can be effectively prevented from because of described second Pick-up head 12 picks up the sound at the second end 1312 of the shell 131 and the acquisition of smart phone 50 is caused to contain There is the audio signal of more noise.

Correspondingly, when the detection module 1325 detect the smart phone 50 be in a normal photographing mode (such as should A rear camera or external camera for smart phone 50 is in running order) when, then the detection module 1325 generates one Second detection signal of normal photographing mode；Then, after the control module 1326 receives the second detection signal, institute Control module 1326 is stated then to generate and send one second control instruction to first and second pick-up head 11,12, wherein described Second control instruction includes the instruction closed first pick-up head 11 and open second pick-up head 12；Finally, described One pick-up head 11 executes second control instruction, to be in a closed state, acquires first audio signal for stopping, Second pick-up head 12 executes second control instruction, to be in an open state, for acquiring the second audio letter Number.Since first pick-up head 11 is closer to user, and second pick-up head 12 is far from the user, therefore, institute Stating microphone 10 can be effectively prevented because user itself makes a sound due to bring noise.

Certainly, when the detection module 1325 detects that the smart phone 50 is in an access module (such as intelligence hand The preposition and rear camera (or external camera) of machine 50 simultaneously take the photograph by running order or the smart phone 50 postposition Picture head or external camera are in running order, and need to pick up the sound of user) when, then the detection module 1325 is raw The third for carrying the access module at one detects signal；Then, when the control module 1326 receives the third inspection Survey signal after, the control module 1326 then generate and send a third control instruction to first and second pick-up head 11, 12, wherein the third control instruction includes the instruction opened first pick-up head 11 and open second pick-up head 12； Finally, described first and the execution of second pick-up head 11, the 12 third control instruction, to be in the open state, For the first and second audio signal described in synchronous acquisition, completely to record the voice conversation of entire access process.

In some other embodiments of the invention, as shown in figure 8, the control system 132 further includes one and the control The input module 1327 that molding block 1326 is communicatively coupled, wherein the input module 1327 be used for for user be manually operated with To one control signal of the control module 1326 input, the control module 1326 is corresponding to generate based on the control signal Control instruction so that user controls first and second pick-up head 11,12 respectively in a manner of by manually controlling It opens or closes.

First preferred embodiment according to the present invention, as shown in Fig. 3 B and Fig. 8, the control system 132 further includes One power module 1328, wherein the power module 1328 can be with the audio amplification block 1324, the detection module 1235 It can be connected with being powered with the control module 1236, for for the audio amplification block 1324, the detection module 1235 and institute It states control module 1236 and electric energy is provided.

It is worth noting that, the power module 1328 can be, but not limited to be implemented as the in-built electrical of such as battery etc Source, to direct out offer electric energy；It can also be implemented as the energy of such as USB interface, audio interface, serial line interface etc. Enough power interfaces that can be connect with being powered with an external power supply, to be provided out electric energy indirectly by the external power supply.

First preferred embodiment according to the present invention, as shown in Figures 4 to 6, the microphone 10 further include one subtracting Device 14 is shaken, wherein the damping device 14 is suitable for being installed in outside the shell 131 of the microphone 10, by described Damping device 14 reduces influence of the external shock to the microphone 10, finally greatly reduces the vibration because of the microphone 10 Caused by noise, to improve the quality or quality of the microphone 10 audio signal collected.

Specifically, as shown in figure 4, the damping device 14 includes a bracket 141, a connection piece 142 and at least two pairs of bullets Property circle 143.The connector 142 is arranged on the bracket 141, and the connector 142 is suitable for and the mobile phone shell 60 It is detachably connected, so that the bracket 141 of the damping device 14 is removably installed in the mobile phone shell 60.It is described Two pairs of elastic rings 143 can be set to a front side 1411 and the rear side 1412 of the bracket 141 with being tauted respectively, and each pair of The elastic ring 143 is arranged across, to surround a microphone chamber 1430 between each pair of elastic ring 143, wherein institute State the institute that the two microphones chamber 1430 that two pairs of elastic rings 143 are surrounded is suitable for accommodating the main body 13 of the microphone 10 Shell 131 is stated, so that when the shell 131 of the microphone 10 is penetratingly through the two microphones chamber 1430, institute Stating microphone 10 can be held stably in the damping device 14, and then be the microphone by the damping device 14 10 provide good damping effect.

Preferably, as shown in Figure 5 and Figure 6, the bracket 141 includes a bottom wall 1411, a roof 1412 and four support arms 1413, wherein four support arm 1413 integrally extends upwardly to the roof from four angular zones of the bottom wall 1411 respectively 1412 four angular zones, to form a through channel 1410, and the two microphones chamber in the front-rear direction of the bracket 141 1430 are respectively formed in the rear and front end of the through channel 1410, so that the shell 131 of the microphone 10 passes through institute The through channel 1410 of bracket 141 is stated, so that the shell 131 of the microphone 10 can penetratingly pass through institute It states in two microphone chambers 1430.

It is noted that the shell 131 of the main body 13 of the microphone 10 is also as shown in Fig. 3 B and Fig. 6 With two locating slots 1313 that the elastic ring 143 with the damping device 14 matches, it is used for the damping device 14 The shell 131 that is positioningly maintained at the microphone 10 of the elastic ring 143 the locating slot 1313 at, subtract to prevent described The elastic ring 143 of shake device 14 is detached from the locating slot 1313 of the shell 131 because of vibration, and then avoids the wheat Gram wind 10 shifts because of vibration, or even slips down from the damping device 14.

It is highly preferred that as shown in Figure 4 and Figure 5, the bracket 141 further includes four base angle locating pieces 1414 and the positioning of four apex angles Part 1415, wherein four base angle locating piece 1414 is respectively from four angular zone of the bottom wall 1411 integrally to extension It stretches, the four apex angles locating piece 1415 integrally extends outwardly from four angular zone of the roof 1412 respectively, so that working as The both ends of the elastic ring 143 are fixed in respectively in the base angle locating piece 1414 of a plane diagonal relationship and the top When at angle locating piece 1415, the elastic ring 143 is tightened naturally in tensioned state, so as to by the microphone 10 The shell 13 is securely maintained in the microphone chamber 1430.

It should be appreciated that the plane diagonal relationship is to be in diagonal in the front side or rear side of the through channel 1410 to close System, that is to say, that positioned at one of two described base angle locating pieces 1414 of 1411 front side of the bottom wall be located at the roof One of the two base angle locating pieces 1415 of 1412 front sides are in diagonal relationship；Or two institutes positioned at 1411 rear side of bottom wall It is in pair that one of base angle locating piece 1414, which is stated, with one of the two base angle locating pieces 1415 for being located at 1412 rear side of roof Angular dependence, to ensure to form the microphone chamber 1430 with a diamond structure after each pair of elastic ring 143 is tauted, So that the shell 131 of the microphone 10 to be wrapped in each pair of elastic ring 143, and keep the microphone 10 hanging Arrangement, and then the damping effect of comprehensive (i.e. front-rear direction up and down) is provided for the microphone 10.

Stated differently, since the damping device 14 can provide comprehensive damping effect for the microphone 10, because This is when movement is equipped with equipment (such as video camera, smart phone 50, mobile phone shell 60 etc.) of the microphone 10, although should Mobile device can shake, but the damping device 14 can slow down or eliminate and is transmitted to described the of the microphone 10 One and the second vibration at pick-up head 11,12, to prevent these shake caused by noise can be by the microphone 10 further Amplification generates the noise for being difficult to eliminate so as to be effectively prevented from the microphone 10, is adopted with improving the microphone 10 The quality of the audio signal of collection is also able to extend the service life of the microphone 10.

It is worth noting that, the both ends when the elastic ring 143 are fixed in respectively in the plane diagonal relationship When the base angle locating piece 1414 and the apex angle locating piece 1415, the distance between two elastic arms of the elastic ring 143 are small In the diameter of the shell 131 of the microphone 10, that is to say, that the size of the microphone chamber 1430 is less than the Mike The lateral dimension of the shell 131 of wind 10, so that the shell 131 when the microphone 10 is penetratingly through the wheat When in gram wind chamber 1430, two elastic arm further occurrence flexible deformations of the elastic ring 143, to increase the elastic ring 143 To the binding force that the shell 131 of the microphone 10 applies, to prevent the microphone 10 unintentionally or unexpectedly from described It slides or is detached from microphone chamber 1430.

Most preferably, as shown in Figure 4 and Figure 5, each base angle and apex angle locating piece 1414,1415 all have two limits Slot 14140,14150, for the end of the elastic ring 143 to be securely limited in the base angle locating piece 1414 or the top On angle locating piece 1415, taken off from the base angle locating piece 1414 or the apex angle locating piece 1415 to prevent the elastic ring 143 From to improve the security performance of the damping device 14.That is, each base angle and apex angle locating piece 1414,1415 An end structure to become larger suddenly is all had, the elastic ring 143 is enabled securely to be maintained at each base angle and top On angle locating piece 1414,1415, fall off from the base angle and apex angle locating piece 1414,1415 to avoid the elastic ring 143.

It is noted that the bracket 141 further includes eight interfix parts 1416, wherein each interfix part 1416 are respectively positioned on the middle at the base angle of adjacent two or apex angle locating piece 1414,1415, and the eight interfix part 1416 is symmetrical in pairs, so that when the elastic ring 143 is fixed on the interfix part 1416 of symmetrical two When, the elastic ring 143 is transversely or longitudinally tightened, and has a rectangular knot to be formed between each pair of elastic ring 143 The microphone chamber 1430 of structure, to wrap up the shell 131 of the microphone 10 to the maximum extent, to enhance the damping The damping effect of device 14.

In addition, the roof 1412 of the bracket 141 has a top opening, the top opening can not only be passed through The inner case of the bracket 141 is observed, and the structure of the damping device 14 can also be simplified, and enhances the damping dress Set 14 it is overall beautiful.

In first preferred embodiment of the invention, the bracket 141 has a cube structure, so that each pair of institute It states elastic ring 143 to be mutually perpendicular to be arranged in across on the bracket 141, to surround the Mike with a square structure Wind chamber 1430, so that the elastic ring 143 can be equal to the shell 1311 being accommodated in the microphone chamber 1430 Even restraining force, to enhance the damping effect of the damping device 14 to the maximum extent.In other words, the institute of the bracket 141 The length for stating four support arms 1413 is equal to the length or width of the bottom wall 1411, so that being in the bottom of plane diagonal relationship The distance between angle and apex angle locating piece 1414,1415 are equal, and the company between the base angle and apex angle locating piece 1414,1415 Line is mutually perpendicular to.

It is worth noting that, the elastic ring 143 can be, but not limited to be implemented as a rubber band, to pass through the rubber The elastic deformability of muscle slows down vibration suffered by the microphone 10.Certainly, the elastic ring 143 also may be implemented as Flexible wreath is made by such as rubber, plastics, fiber or high molecular material etc., is made with playing same damping With.

Further, the bracket 141 can be, but not limited to be implemented as by such as rubber, plastics, stainless steel, alloy, Light metal, macromolecule polymeric material etc. light material are made, and can not only provide stable support for the elastic ring 143 Power, but also can substantially mitigate the weight of the damping device 14, to carry and use.

First preferred embodiment according to the present invention, as shown in figs. 4 and 7, the company of the damping device 14 Fitting 142 includes hot shoe side's foot 1421, wherein the bottom wall 1411 of hot shoe side's foot 1421 from the bracket 141 is downward Extend, the hot shoe seat or cold boots being suitable for use in the mobile phone shell 60 with the smart phone 50 matchingly couple, so as to by institute It states damping device 14 and is removably installed in the mobile phone shell 60.Certainly, since hot shoe side's foot 1421 has the universal standard Structure snd size, therefore hot shoe side's foot 1421 can be with the standard hot in such as various equipment of video camera, camera etc. Boots or the cold boots of standard adaptedly couple, so that the damping device 14 is removably installed in the various equipment, Jin Erzeng Add the use scope of the microphone 10.

It should be appreciated that the connector 142 also may be implemented as such as sound in some other embodiments of the invention The plug of frequency plug, USB plug, headset plug etc., so as to it is various on the smart phone 50 or the mobile phone shell 60 Socket matches, so that the damping device 14 to be removably installed on the smart phone 50 or the mobile phone shell 60.

Preferably, as shown in figs. 4 and 7, the connector 142 of the damping device 14 further includes one and the hot shoe The locking knob 1422 that square foot 1421 matches, wherein the locking knob 1422 is arranged at hot shoe side's foot 1421 and institute It states between the bottom wall 1411 of bracket 141, with after hot shoe side's foot 1421 is inserted into a hot shoe or cold boots, by screwing It states locking knob 1422 to securely lock hot shoe side's foot 1421 in the hot shoe or cold boots, to prevent hot shoe side's foot 1421 unintentionally or are unexpectedly detached from from the hot shoe or cold boots, and then the microphone 10 is securely installed on the intelligence hand In the mobile phone shell 60 of machine 50.

According to another aspect of the present invention, as shown in figure 9, the present invention further provides the control method of a microphone, packet Include step:

S1: image pickup mode locating for the smart phone 50 that detection one is communicatively coupled with the microphone 10, to generate One carries the detection signal of the image pickup mode；With

S2: based on the detection signal for carrying the image pickup mode, one first pickup of the microphone 10 is controlled First 11 and one second pick-up head 12 open or close, to meet the needs of different image pickup modes.

Specifically, as shown in figure 9, the step S2 comprising steps of

S21: if detecting, the smart phone 50 is in a self-timer mode, and first pick-up head 11 is controlled to be in One open state, for acquiring one first audio signal, second pick-up head 12 is controlled in a closed state at this time, For stopping acquiring one second audio signal；

S22: if detecting, the smart phone 50 is in a normal photographing mode, and first pick-up head 11 is controlled to In the closed state, first audio signal is acquired for stopping, second pick-up head 12 is controlled to locate at this time In the open state, for acquiring second audio signal；And

S23: if detecting, the smart phone 50 is in an access module, and first pick-up head 11 is controlled to be in The open state, for acquiring first audio signal, second pick-up head 12 is controlled to open in described at this time State is opened, for acquiring second audio signal.

With reference to shown in Figure 10 to Figure 12 of attached drawing, a microphone of one second preferred embodiment according to the present invention is shown And its noise-reduction method.Compared to the first preferred embodiment according to the present invention, as shown in Figure 10, preferably according to described second The microphone 10A of embodiment the difference is that: the control system 132A of the main body 13A is in addition to including described First communication module 1321, the second communication module 1322, the third communication module 1323 and the audio amplification block It further include the monitoring modular 1325A, a policy generation module 1326A and a noise reduction being mutually communicatively coupled except 1324 Module 1327A.

The first communication module 1321 can communicate the audio amplification block 1324 and first pick-up head 11 Ground connection, is used for first pick-up head 11, first audio signal transmission obtained to the audio amplification block 1324, first audio signal is then amplified by the audio amplification block 1324, is believed with generating with first audio Number corresponding one first amplification audio signal, to obtain distortionless audio signal.1322 energy of second communication module The audio amplification block 1324 and second pick-up head 12 are communicatively coupled, are used for 12 institute of the second pick-up head Second audio signal transmission of acquisition then passes through the audio amplification block 1324 to the audio amplification block 1324 Amplify second audio signal, to generate one second amplification audio signal corresponding with second audio signal, to obtain Obtain distortionless audio signal.The third communication module 1323 can be by the audio amplification block 1324 and the smart phone 50 It is communicatively coupled, extremely by the audio amplification block 1,324 first and second amplifications audio signal transmission generated The smart phone 50, and then the first and second amplifications audio signal is included by the smart phone 50, so that the intelligence hand Machine 50 can synchronize the sound obtained in the opposite direction.

The monitoring modular 1325A is suitable for being communicatively coupled with the smart phone 50, for monitoring the smart phone 50 A front camera and a rear camera whether be in a working condition, to generate a monitoring result, and by the monitoring As a result it is sent to the policy generation module 1326A.The policy generation module 1326A is used to be based on the monitoring result, raw The noise reduction strategies instruction that monitoring result described in Cheng Yiyu matches, and noise reduction strategies instruction is sent to the noise reduction module 1327A.The noise reduction module 1327A is communicatively coupled with the audio amplification block 1324, after being amplified for reception The first amplification audio signal and the second amplification audio signal, wherein the noise reduction module 1327 be also used to execute it is described Noise reduction strategies instruction, to carry out noise reduction process to the first amplification audio signal and the second amplification audio signal.

More specifically, the monitoring result monitored as the monitoring modular 1325A be the smart phone 50 this before It sets camera and is in normal operating conditions (i.e. the rear camera is opened or the smart phone is in self-timer mode), then it is described The policy generation module 1326A noise reduction strategies instruction generated are as follows: using the first amplification audio signal as a keynote Frequency signal, and using the second amplification audio signal as the noise reduction strategies of an ambient noise audio signal, pass through the noise reduction Module 1327A carries out noise reduction process to the first amplification audio signal, to obtain the audio signal of high quality；When the monitoring The monitoring result that module 1325A is monitored is that the rear camera of the smart phone 50 is in normal operating conditions (i.e. The rear camera is opened or the smart phone is in normal photographing mode), then the policy generation module 1326A is generated The noise reduction strategies instruction are as follows: using it is described second amplification audio signal as an audio signal, and with it is described first amplification Noise reduction strategies of the audio signal as an ambient noise audio signal, by the noise reduction module 1327A to second amplification Audio signal carries out noise reduction process and is then sent to the audio signal after the noise reduction with obtaining the audio signal of high quality The smart phone 50.Therefore, the sound and ambient noise of speaker can be picked up, preferably by the microphone 10A with more preferable Ground reaches noise reduction purpose, can obtain the audio signal being more clear.It will be appreciated by those skilled in the art that according to the noise reduction plan It is slightly consistent with means in the prior art to carry out the means of noise reduction process, i.e., specific noise reduction means in the present invention without Limitation, details are not described herein.

It is worth noting that, in other embodiments of the invention, the noise reduction module 1327A is arranged at the audio Before amplification module 1324, that is to say, that before audio signal is amplified, first passes through the noise reduction module 1327A and dropped It makes an uproar processing, the audio signal after noise reduction is then sent to the audio amplification block 1324 again, to amplify by the audio Module 1324 amplifies the audio signal after the noise reduction.

According to another aspect of the present invention, as shown in figure 11, invention further provides the noise-reduction method of a microphone, Comprising steps of

S1 ': whether a front camera and a rear camera for one smart phone of monitoring is in a working condition；

S2 ': if monitor that the front camera of the smart phone 50 is in the working condition, based on described the One amplification audio signal is an audio signal, take the second amplification audio signal as the noise reduction of a background noise audio signal Strategy, the first amplification audio signal described in noise reduction process, to obtain the amplification audio signal after a noise reduction；And

S3 ': if monitor that the rear camera of the smart phone 50 is in the working condition, based on described the One amplification audio signal is the background noise audio signal, is the audio signal with the second amplification audio signal Noise reduction strategies carry out the second amplification audio signal described in noise reduction process, to obtain the amplification audio signal after the noise reduction.

It is noted that if monitoring, an external camera of the smart phone 50 is in institute in the step S3 ' When stating working condition (the i.e. described smart phone 50 is in a normal photographing mode), also based on the first amplification audio signal For the background noise audio signal, take the second amplification audio signal as the noise reduction strategies of the audio signal, carry out Second amplification audio signal described in noise reduction process, to obtain the audio signal after the noise reduction.

In some other embodiments of the invention, as shown in figure 12, another noise-reduction method of the dual microphone, including Step:

S1 ": an image pickup mode locating for one smart phone of monitoring, wherein the image pickup mode includes a self-timer mode and one Positive screening-mode；

S2 ": it if monitor that the smart phone 50 is in the self-timer mode, is based on first audio signal as one Audio signal take second audio signal as the noise reduction strategies of a background noise audio signal, first described in noise reduction process Audio signal, to obtain the audio signal after a noise reduction；And

S3 ": if monitor that the smart phone 50 is in the normal photographing mode, based on first audio signal For the background noise audio signal, take second audio signal as the noise reduction strategies of the audio signal, carry out noise reduction Second audio signal is handled, to obtain the audio signal after the noise reduction.

Further, the noise-reduction method of the dual microphone further comprises the steps of:

S4 ": the audio signal after sending the noise reduction is to an audio amplification block, to be put by the audio amplification block Audio signal after the big noise reduction.

In conclusion in order to achieve the above object, not needing the structure using expensive material or complexity in the present invention. Therefore, the present invention is successful and effectively provides a solution, not only one simple microphone of offer and its control method and drop Method for de-noising and damping device, while also adding the practical of the microphone and its control method and noise-reduction method and damping device Property and reliability.

It should be understood by those skilled in the art that foregoing description and the embodiment of the present invention shown in the drawings are only used as illustrating And it is not intended to limit the present invention.The purpose of the present invention has been fully and effectively achieved.Function and structural principle of the invention exists It shows and illustrates in embodiment, under without departing from the principle, embodiments of the present invention can have any deformation or modification.

Claims (27)

1. microphone characterized by comprising

One main body；

One first pick-up head；And

One second pick-up head, wherein first pick-up head and second pick-up head are arranged at the main body, wherein institute The first sound can be acquired by stating the first pick-up head and being set, and second pick-up head, which is set, can acquire second sound, wherein this One sound and the second sound have different frequency.

2. microphone as described in claim 1, which is characterized in that wherein first pick-up head is arranged at the main body First end, second pick-up head are arranged at the second end of the main body, wherein first pick-up head and described the second ten Sound head is set with towards different directions.

3. microphone as described in claim 1, which is characterized in that wherein first pick-up head, which is set, is able to respond in this First sound, to generate corresponding first audio signal, second pick-up head, which is set, to be able to respond in the second sound, To generate corresponding second audio signal.

4. microphone as claimed in claim 2, which is characterized in that wherein first pick-up head, which is set, is able to respond in this First sound, to generate corresponding first audio signal, second pick-up head, which is set, to be able to respond in the second sound, To generate corresponding second audio signal.

5. microphone as described in claim 1, which is characterized in that wherein first pick-up head include one first pickup portion and One the first fixing end extended from first pickup portion, second pick-up head include one second pickup portion and one from described the The second fixing end that two pickup portions extend, wherein first fixing end of first pick-up head is suitable for being removable installed in The first end of the main body, second fixing end of second pick-up head are suitable for being removable installed in the main body The second end.

6. microphone as claimed in claim 4, which is characterized in that wherein first pick-up head include one first pickup portion and One the first fixing end extended from first pickup portion, second pick-up head include one second pickup portion and one from described the The second fixing end that two pickup portions extend, wherein first fixing end of first pick-up head is suitable for being removable installed in The first end of the main body, second fixing end of second pick-up head are suitable for being removable installed in the main body The second end.

7. microphone as claimed in claim 6, which is characterized in that wherein the main body further includes one being arranged at the main body The first end the first coupling and one be arranged at the main body the second end the second coupling, wherein described First pick-up head includes first matching piece for being arranged at first fixing end, and first matching piece can with it is described First coupling removably couples, wherein second pick-up head includes one being arranged at the second of second fixing end and matching Component, and second matching piece can removably be coupled with second coupling.

8. microphone as claimed in claim 7, which is characterized in that wherein first and second matching piece is a three-jaw card Button, first and second coupling are the three-jaw snap seats to match with three-jaw buckle.

9. the microphone as described in any in claim 1~8, which is characterized in that wherein the main body further includes a control system System, wherein the control system can be communicatively coupled respectively with first pick-up head and second pick-up head, for controlling It makes first pick-up head and second pick-up head acquires first sound and the second sound respectively.

10. microphone as claimed in claim 9, which is characterized in that wherein the control system include a first communication module, One second communication module, a third communication module and an audio amplification block, wherein the first communication module can be by described One pick-up head is communicatively coupled with the audio amplification block, for putting first audio information transmissions to the audio Big module, wherein the audio amplification block amplifies audio-frequency information for amplifying first audio-frequency information, to generate one first； Second pick-up head can be communicatively coupled by the second communication module with the audio amplification block, for by described the Two audio information transmissions are to the audio amplification block, wherein the audio amplification block is for amplifying the second audio letter Breath, to generate one second amplification audio-frequency information；The third communication module is suitable for the audio amplification block and an intelligence is whole End is communicatively coupled, for amplifying audio information transmissions to the intelligent terminal for described first and second.

11. microphone as claimed in claim 10, which is characterized in that wherein the first communication module is arranged at including one First audio jack of first fixing end of first pick-up head and one be arranged at the main body the first end The first audio socket, wherein first audio socket is communicatively coupled with the audio amplification block, wherein described Two communication modules include that the second audio jack and one of second fixing end for being arranged at second pick-up head is set It is placed in the second audio socket of the second end of the main body, wherein second audio socket and the audio amplification block It is communicatively coupled.

12. microphone as claimed in claim 11, which is characterized in that wherein the third communication module is selected from a WiFi mould One of block, a bluetooth module, an infrared module, a GPRS module and an audio interface.

13. microphone as claimed in claim 10, which is characterized in that wherein the control system further includes mutually communicably A detection module and a control module for connection, wherein the detection module is for detecting camera shooting mould locating for an intelligent terminal Formula, to generate a detection signal corresponding with the image pickup mode, the control module is used to be based on the detection signal, automatically Ground controls the opening and closing of first and second pick-up head.

14. microphone as claimed in claim 10, which is characterized in that wherein the control system further includes successively communicably Come the monitoring modular, a policy generation module and a noise reduction module connect, wherein the monitoring modular is for monitoring an intelligence eventually Whether one front camera and a rear camera at end are in a working condition, to generate and send a monitoring result to described Policy generation module generates noise reduction strategies instruction, and by institute wherein the policy generation module is used to be based on the monitoring result It states noise reduction strategies instruction and is sent to the noise reduction module, amplify wherein the noise reduction module is communicatively connected in a network in the audio Between module and third communication module, wherein the noise reduction module is instructed for executing the noise reduction strategies, to from described The first amplification audio-frequency information and the second amplification audio-frequency information of audio amplification block carry out noise reduction process, generate a drop Audio-frequency information after making an uproar.

15. the microphone as described in any in claim 1~8, which is characterized in that further include a damping device, wherein described Damping device can be installed in the main body, for reducing influence of the external shock to the microphone.

16. microphone as claimed in claim 15, which is characterized in that wherein the damping device includes a bracket, a connection Part and at least two pairs of elastic rings, wherein the connector is arranged at the bracket, suitable for the damping device is installed on one Mobile phone shell, wherein the elastic ring can be set to the bracket with being tauted, and each pair of elastic ring is arranged across, To surround a microphone chamber between each pair of elastic ring, for the main body to be penetratingly held in the two microphones chamber In.

17. microphone as claimed in claim 16, which is characterized in that wherein the bracket includes a bottom wall, a roof and four Support arm, wherein four support arm integrally extends upwardly to the quadrangle of the roof from four angular zones of the bottom wall respectively Region, to form a through channel from the front-rear direction of the bracket, for allowing the main body to pass through through the through channel The bracket.

18. microphone as claimed in claim 17, which is characterized in that wherein the bracket further includes four base angle locating pieces and four Apex angle locating piece, wherein four base angle locating piece integrally extends outwardly from four angular zone of the bottom wall respectively, institute It states four apex angle locating pieces integrally to extend outwardly from four angular zone of the roof respectively, so that working as the two of the elastic ring When end is fixed in the base angle locating piece and the apex angle locating piece in a plane diagonal relationship respectively, the elasticity Circle is tightened naturally.

19. microphone as claimed in claim 18, which is characterized in that wherein positioned per the base angle locating piece with the apex angle Part all has two limiting slots, for the end of the elastic ring to be securely maintained at the base angle locating piece or the top At the locating piece of angle.

20. microphone as claimed in claim 19, which is characterized in that wherein the bracket further includes eight interfix parts, In each interfix part be respectively positioned on the middle at adjacent two base angle and apex angle locating piece so that working as the elasticity When the both ends of circle are fixed in the interfix part of symmetrical two respectively, the elastic ring is by laterally or longitudinal It tightens on ground.

21. microphone as claimed in claim 20, which is characterized in that wherein the connector includes hot shoe side's foot, wherein Hot shoe side's foot is extended downwardly from the bottom wall of the bracket, is suitable for and the matchingly coupling of the hot shoe in the mobile phone shell It connects, for the damping device to be removably installed in the mobile phone shell.

22. the control method of a microphone, which is characterized in that comprising steps of

Image pickup mode locating for the intelligent terminal that one and one microphone of detection is communicatively coupled carries the camera shooting to generate one The detection signal of mode, wherein the image pickup mode includes a self-timer mode, a normal photographing mode and an access module；With

Based on the detection signal, controls to open or close one first and second pick-up head of the microphone, taken the photograph with meeting difference As the demand of mode.

23. the control method of microphone as claimed in claim 22, which is characterized in that it is wherein, described to be based on the detection signal, The opening and closing of one first and second pick-up head of the microphone are controlled, to meet the step of the needs of different image pickup modes, Comprising steps of

If detecting, the intelligent terminal is in the self-timer mode, controls to open first pick-up head of the microphone, and control To close second pick-up head of the microphone；

If detecting, the intelligent terminal is in the normal photographing mould mode, controls to close first pick-up head of the microphone, And it controls to open second pick-up head of the microphone；And

If detecting, the intelligent terminal is in the access modules, controls to open first pick-up head of the microphone, and control To open second pick-up head of the microphone.

24. the noise-reduction method of a microphone, which is characterized in that comprising steps of

The one of the intelligent terminal that one and one microphone of monitoring is communicatively coupled is preposition and whether rear camera is in a job State, to generate a monitoring result；

By a policy generation module of a control system of the microphone, it is based on the monitoring result, a noise reduction strategies is generated and refers to It enables；And

It by a noise reduction module of the control system, is instructed based on the noise reduction strategies, to the 1 of the microphone the first and second ten Sound head one first and second audio-frequency information generated carries out noise reduction process, to obtain the audio-frequency information after a noise reduction.

25. the noise-reduction method of microphone as claimed in claim 24, which is characterized in that wherein, described by the microphone A control system a policy generation module, be based on the monitoring result, generate a noise reduction strategies instruction the step of in,

When the front camera that the monitoring result is the intelligent terminal is in the working condition, the noise reduction strategies instruction is With first audio-frequency information be a main audio information, with second audio-frequency information be a background noise audio-frequency information, to this first Audio-frequency information carries out noise reduction process；With

When the rear camera that the monitoring result is the intelligent terminal is in the working condition, the noise reduction strategies instruction is With second audio-frequency information be the main audio information, with first audio-frequency information be the background noise audio-frequency information, to this second Audio-frequency information carries out noise reduction process.

26. the noise-reduction method of a microphone, which is characterized in that comprising steps of

The one of the intelligent terminal that one and one microphone of monitoring is communicatively coupled is preposition and whether rear camera is in a job State, to generate a monitoring result；

By a policy generation module of a control system of the microphone, it is based on the monitoring result, a noise reduction strategies is generated and refers to It enables；And

It by a noise reduction module of the control system, is instructed based on the noise reduction strategies, mould is amplified to an audio of the control system The first or second amplification audio-frequency information that block is amplified carries out noise reduction process, to obtain the amplification audio-frequency information after a noise reduction.

27. the noise-reduction method of microphone as claimed in claim 26, which is characterized in that wherein, described by the microphone A control system a policy generation module, be based on the monitoring result, generate a noise reduction strategies instruction the step of in,

When the front camera that the monitoring result is the intelligent terminal is in the working condition, the noise reduction strategies instruction is With the first amplification audio-frequency information for a main audio information, with the second amplification audio-frequency information for a background noise audio-frequency information, Noise reduction process is carried out to the first amplification audio-frequency information；With

When the rear camera that the monitoring result is the intelligent terminal is in the working condition, the noise reduction strategies instruction is With the second amplification audio-frequency information for the main audio information, with the first amplification audio-frequency information for the background noise audio-frequency information, Noise reduction process is carried out to the second amplification audio-frequency information.