CN210327917U

CN210327917U - 360 omnidirectional microphone

Info

Publication number: CN210327917U
Application number: CN201921699348.9U
Authority: CN
Inventors: 吕延海
Original assignee: Shenzhen Moore Acoustics Technology Co Ltd
Current assignee: Shenzhen Moore Acoustics Technology Co Ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-04-14
Anticipated expiration: 2029-10-08

Abstract

The application discloses 360 degree omnidirectional microphone includes: the microphone array and the audio processing chip are arranged in the microphone array; the microphone matrix is electrically connected with the audio processing chip and is a microphone matrix formed by a group of 4 microphones, in the concrete implementation, 4 microphones which are evenly distributed in 4 directions in 360 degrees are installed on a product, and the acute angle included angle between the opening direction of each microphone and the horizontal plane of the product is adjusted to be 15-89 degrees. Adopt the utility model discloses, can guarantee that the microphone matrix can both carry out remote pickup to 360 degrees all directions, improve the definition of distal end pickup, can realize 360 degrees radio receptions of real meaning people simultaneously, no dead angle.

Description

360 omnidirectional microphone

Technical Field

The application relates to the technical field of microphones, in particular to a 360-degree omnidirectional microphone.

Background

The omnidirectional microphone and the far-field sound pickup microphone products in the current market have wide application range, and have a lot of applications in occasions such as conferences, education and the like, the products in the current market have the omnidirectional microphone products formed by adopting one, two and three independent microphones in the side directions, and also have the omnidirectional microphone products developed by using a group of planar microphone matrix microphones with upward open holes, and the products have the defects of unclear remote sound pickup and incapability of clearly processing sound from 360-degree directions at all angles.

SUMMERY OF THE UTILITY MODEL

The main aim at of this application provides a 360 degree omnidirectional microphone can realize remote pickup to can fall the clear processing of making an uproar to 360 degree direction each angle sound.

To achieve the above object, the present application provides a 360-degree omni-directional microphone, which may include: the microphone array and the audio processing chip are arranged in the microphone array;

the microphone matrix is electrically connected with the audio processing chip;

the microphone matrix is a microphone matrix formed by a group of 4 microphones.

Further, the 360-degree omni-directional microphone further includes: the microphone carries the equipment to be carried,

the microphone bearing equipment is electrically connected with the microphone matrix;

the audio processing chip is electrically connected with the microphone bearing equipment.

Further, the group of 4 microphones are evenly distributed in an average of 4 directions in 360 degrees of the microphone bearing device.

Further, the opening direction of each microphone in the group of 4 microphones forms an acute angle with the horizontal plane of the microphone bearing device, wherein the acute angle is 15-89 degrees.

Further, the microphone matrix is a group of N microphones, where N is a positive integer greater than 3.

Further, the group of N microphones are evenly distributed in an average of N directions in 360 degrees of the microphone bearing device.

Furthermore, the opening direction of each microphone in the group of N microphones forms an acute included angle of 15-89 degrees with the horizontal plane of the microphone bearing equipment.

In the embodiment of the application, a 360-degree omnidirectional microphone is provided, 4 microphones which are evenly distributed in 4 directions in 360 degrees are installed on a product, and an acute angle included angle between the opening direction of each microphone and the horizontal plane of the product is adjusted to be 15-89 degrees, so that a microphone matrix is ensured to carry out remote sound pickup on 360-degree directions, that is, 360-degree sound pickup of a real person is realized, no dead angle exists, and the definition of far-end sound pickup is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

fig. 1 is a schematic structural diagram of a 360-degree omni-directional microphone according to an embodiment of the present invention;

fig. 2 is a schematic view of a 360-degree omni-directional microphone orientation structure provided by an embodiment of the invention;

fig. 3 is a schematic view of the microphone opening direction according to the embodiment of the present invention.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application and the above-described drawings, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The 360-degree omni-directional microphone shown in fig. 1-3 at least comprises a group of 4 microphones and an audio processing chip.

In the embodiment of the present application, a group of 4 microphones and an audio processing chip are in an electrical connection relationship, the audio processing chip used may be any one of chips commonly found in the market, and each microphone in the group of microphones must be of the same style.

It should be noted that, in the present application, the microphone carrying device is a product that mounts a group of 4 microphones, and the microphone carrying device, the microphone matrix and the audio processing chip are all in an electrical connection relationship. The audio processing chip can process the audio collected by each microphone.

Most importantly, 4 microphones in the microphone matrix in the application are uniformly distributed on a product in the direction of 4 average directions in 360 degrees of the equipment, the acute angle between the opening direction of each microphone and the horizontal plane of the product can be set to be 15-89 degrees, the specific angle setting can be set according to the distance of the sound source, for example, when the sound source is close, the included angle can be set to be smaller, and when the sound source is far, the included angle can be set to be larger.

In alternative embodiments, the microphone matrix in the present application may include a greater number of microphones, for example, 3, 4, 5, 6, 8 or any other integer number greater than or equal to 3, and it should be noted that for the N microphones included, all the microphones are uniformly distributed in an average N directions within 360 degrees, and the opening direction of each microphone forms an acute angle with the horizontal plane of the microphone bearing device, which is 15 ° to 89 °.

In the embodiment of the application, a 360-degree omnidirectional microphone is provided, 4 microphones which are evenly distributed in 4 directions in 360 degrees are installed on a product, and an acute angle included angle between the opening direction of each microphone and the horizontal plane of the product is adjusted to be 15-89 degrees, so that the microphone matrix is ensured to carry out remote sound pickup on all directions in 360 degrees, and the definition of far-end sound pickup is improved.

The above is only a preferred embodiment of the present invention and is not intended to limit the present invention in any way. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be construed as the protection scope of the present invention.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention do not separately describe various possible combinations.

In addition, various different implementation manners of the embodiments of the present invention can be combined arbitrarily, and as long as it does not violate the idea of the embodiments of the present invention, it should be considered as the disclosure of the embodiments of the present invention.

Claims

1. A 360 omni-directional microphone, comprising: the microphone array and the audio processing chip are arranged in the microphone array;

the microphone matrix is electrically connected with the audio processing chip;

2. The 360 degree omni directional microphone according to claim 1, wherein the 360 degree omni directional microphone further comprises: the microphone carries the equipment to be carried,

3. The 360 degree omni directional microphone according to claim 1,

the set of 4 microphones is evenly distributed towards an average of 4 directions in 360 degrees of the microphone bearing device.

4. The 360 degree omni directional microphone according to claim 1,

the opening direction of each microphone in the group of 4 microphones forms an acute included angle of 15-89 degrees with the horizontal plane of the microphone bearing equipment.

5. The 360 degree omni directional microphone according to claim 1,

the microphone matrix is a group of N microphones, wherein N is a positive integer greater than or equal to 3.

6. The 360 omni directional microphone of claim 5,

the set of N microphones is evenly distributed towards an average of N directions in 360 degrees of the microphone bearing device.

7. The 360 omni directional microphone of claim 6,

the acute included angle between the opening direction of each microphone in the group of N microphones and the horizontal plane of the microphone bearing equipment is 15-89 degrees.