CN211930853U - Multi-mode sound pickup device and audio device - Google Patents
Multi-mode sound pickup device and audio device Download PDFInfo
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- CN211930853U CN211930853U CN202020390608.0U CN202020390608U CN211930853U CN 211930853 U CN211930853 U CN 211930853U CN 202020390608 U CN202020390608 U CN 202020390608U CN 211930853 U CN211930853 U CN 211930853U
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Abstract
The application is applicable to the technical field of microphones and provides a multi-mode sound pickup device and an audio device. The multi-mode pickup device comprises a plurality of microphones, a voice synthesis unit, an amplification output unit and a power supply; the microphones are arranged in a preset shape, and the pickup surfaces face the outside of the preset shape; the microphones are all connected with the voice synthesis unit, the voice synthesis unit is connected with the amplification output unit, and the power supply supplies power to the voice synthesis unit and the amplification output unit; the plurality of microphones send the picked audio information to the voice synthesis unit, the voice synthesis unit synthesizes the audio information sent by the plurality of microphones into audio information to be output and sends the audio information to the amplification output unit, and the amplification output unit amplifies and outputs the audio information to be output. The multi-mode pickup device is simple in structure, easy to produce and low in cost.
Description
Technical Field
The application belongs to the technical field of audio frequency, especially relates to a multi-mode pickup apparatus and audio device.
Background
With the emergence of various voice products, the application of the microphone is more and more extensive; in many different scenarios, there is a need to enable multi-modal sound pickup in different scenarios. While the traditional microphone can only realize the sound pickup under the multi-mode through the combination of different types of MICs (microphones), for example, the combination of the all-directional MIC, the double-directional MIC and the single-directional MIC can realize the sound pickup under various modes such as a heart-type mode, a bidirectional mode, an omnidirectional mode, a stereo mode and the like. However, the traditional way of combining various types of microphones results in complex structure, low production efficiency and higher cost.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a multi-mode pickup device and an audio device, and can solve the problem of complex structure in the prior art
The embodiment of the application provides a multimode pickup device, includes: the voice synthesizer comprises a plurality of microphones, a voice synthesis unit, an amplification output unit and a power supply; the microphones are arranged in a preset shape, and the pickup surfaces face the outside of the preset shape; the microphones are all connected with the voice synthesis unit, the voice synthesis unit is connected with the amplification output unit, and the power supply supplies power to the voice synthesis unit and the amplification output unit;
the plurality of microphones send the picked audio information to the voice synthesis unit, the voice synthesis unit synthesizes the audio information sent by the plurality of microphones into audio information to be output and sends the audio information to the amplification output unit, and the amplification output unit amplifies and outputs the audio information to be output.
In one possible implementation form of the first aspect, the microphone is a single directional microphone.
In a possible implementation manner of the first aspect, the number of the microphones is three.
In one possible implementation manner of the first aspect, the preset shape is a circle.
In one possible implementation manner of the first aspect, the three microphones are uniformly arranged on the circle.
In a possible implementation manner of the first aspect, the three microphones are disposed on the circle, and the three microphones are respectively a first microphone, a second microphone, and a third microphone, wherein an included angle between a first perpendicular line of a sound pickup surface of the first microphone and a second perpendicular line of a sound pickup surface of the second microphone is smaller than 120 °.
In one possible implementation manner of the first aspect, the first microphone and the second microphone are symmetrical with respect to a diameter in which the third microphone is located.
In one possible implementation form of the first aspect, the diameter of the circle is less than or equal to 150 mm.
In one possible implementation form of the first aspect, the microphone is a cardioid microphone or an ultracardioid microphone.
An embodiment of the application provides an audio device, which comprises the multi-mode sound pickup device according to any one of the first aspect.
Compared with the prior art, the embodiment of the application has the advantages that:
in the embodiment of the application, a plurality of microphones are the outside of presetting the shape setting and the pickup face orientation should presetting the shape, because the pickup face of every microphone all is towards the outside of presetting the shape, consequently can realize 360 degrees through a plurality of microphones and encircle the pickup, and the speech synthesis unit synthesizes the back according to the different rule of predetermineeing to the audio information that each microphone sent moreover, can realize multiple mode pickup, and above-mentioned multiple mode pickup device structure is more for brief answering, easy production and cost are lower moreover.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a multi-mode sound pickup apparatus according to an embodiment of the present application;
FIG. 2 is a schematic layout diagram of multiple microphones according to an embodiment of the present application;
FIG. 3 is a schematic layout diagram of multiple microphones according to an embodiment of the present application;
fig. 4 is a schematic layout diagram of a plurality of microphones according to an embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It should also be understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to" determining "or" in response to detecting ". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
Furthermore, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used for distinguishing between descriptions and not necessarily for describing or implying relative importance.
Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.
From the appearance of the human society to the present, the human-to-human communication is a very important social activity, and the application of language is the most important communication mode for human beings. With the development of electronic technology, people invent microphones, which can convert voices such as human voice and voice into electric signals for storage and transmission, and are indispensable front-end products of communication, music and other products.
With the emergence of various voice products, the application of the microphone is more and more extensive; in many different scenarios, there is a need to enable multi-modal sound pickup in different scenarios. While the traditional microphone can only realize the sound pickup under the multi-mode through the combination of different types of MICs (microphones), for example, the combination of the all-directional MIC, the double-directional MIC and the single-directional MIC can realize the sound pickup under various modes such as a heart-type mode, a bidirectional mode, an omnidirectional mode, a stereo mode and the like. However, the traditional way of combining various types of microphones results in complex structure, low production efficiency and higher cost.
Based on the above problem, the embodiment of the present application discloses a multi-mode sound pickup apparatus, which includes a plurality of microphones, a speech synthesis unit, an amplification output unit, and a power supply; the multi-mode pickup device is characterized in that the microphones are arranged in a preset shape, pickup surfaces face the outside of the preset shape, the picked audio information is sent to the voice synthesis unit by the microphones, the voice synthesis unit synthesizes the audio information sent by the microphones into audio information to be output and sends the audio information to the amplification output unit, the amplification output unit amplifies the audio information to be output and outputs the audio information, the pickup surfaces of the microphones face the outside of the preset shape, 360-degree surrounding pickup can be achieved through the microphones, the voice synthesis unit synthesizes the audio information sent by the microphones according to different preset rules, and pickup in multiple modes can be achieved, and the multi-mode pickup device is simple in structure, easy to produce and low in cost.
In order to explain the technical solution described in the present application, the following description will be given by way of specific examples.
Fig. 1 shows a schematic structural diagram of a multi-mode sound pickup apparatus provided by an embodiment of the present application, and referring to fig. 1, the multi-mode sound pickup apparatus 100 may include a plurality of microphones (111,112,113), a speech synthesis unit 120, an amplification output unit 130, and a power supply 140. Wherein, the microphones (111,112,113) are arranged in a preset shape, and the sound pickup surface faces the outside of the preset shape; the plurality of microphones (111,112,113) are all connected to the speech synthesis unit 120, the speech synthesis unit 120 is connected to the amplification output unit 130, and the power supply 140 supplies power to the speech synthesis unit 120 and the amplification output unit 130.
Specifically, each microphone sends the picked-up audio information to the speech synthesis unit 120, the speech synthesis unit 120 synthesizes the audio information sent by each microphone into audio information to be output and sends the audio information to the amplification output unit 130, and the amplification output unit 130 amplifies and outputs the audio information to be output.
Above-mentioned multi-mode sound pick-up device because the adapterization face of every microphone all faces the outside of predetermineeing the shape, consequently can realize 360 degrees through a plurality of microphones around the adapterization, and speech synthesis unit 120 synthesizes the back to the audio information that each microphone sent according to the different rule of predetermineeing in addition, can realize multiple mode adapterization, above-mentioned multi-mode sound pick-up device structure is more for brief answer, easy production and cost are lower moreover.
In fig. 1, three microphones (111,112,113) are schematically illustrated as an example, but the embodiment of the present application is not limited to three microphones. For example, the multi-mode sound pickup apparatus may include four microphones, five microphones, or other number of microphones.
In some embodiments, the preset shape may be a circle, the plurality of microphones are distributed in a circle, and the sound pickup surface of each microphone faces the outside of the preset shape, so that the plurality of microphones can realize 360-degree surround sound pickup, and then the voice synthesis unit 120 synthesizes audio information sent by each microphone according to different preset rules, so as to realize sound pickup in multiple modes.
Fig. 2 to 4 are schematic layout diagrams of a plurality of microphones provided in the embodiment of the present application, and fig. 2 to 4 illustrate an example that three microphones M1, M2, and M3 are distributed in a circle, but are not limited thereto. Among them, the microphone M1, the microphone M2, and the microphone M3 may be evenly distributed on a circle, or unevenly distributed on a circle.
Referring to fig. 2, the microphones M1, M2, and M3 may be uniformly distributed on a circle, and the sound pickup surfaces of the microphones M1, M2, and M3 are all facing the outside of the circle. For example, the vertical lines of the sound pickup planes of the microphone M1, the microphone M2, and the microphone M3 may pass through the center O. The included angle between the microphone M1 and the microphone M2 is 120 °, the included angle between the microphone M2 and the microphone M3 is 120 °, and the included angle between the microphone M3 and the microphone M1 is 120 °.
In this embodiment, the microphone M1, the microphone M2, and the microphone M3 are uniformly distributed on a circle, and the sound pickup surface faces the outside of the circle, so that the microphone M1, the microphone M2, and the microphone M3 can pick up sound around 360 degrees, and then the voice synthesis unit 120 synthesizes audio information sent by the microphone M1, the microphone M2, and the microphone M3 according to different preset rules, so that sound pickup in multiple modes can be realized.
For example, the speech synthesis unit 120 synthesizes the audio information sent by the microphone M1, the microphone M2, and the microphone M3 according to different preset rules, which may specifically include:
the voice synthesis unit 120 subtracts the audio information of the microphone M1 from the audio information of the microphone M3, transmits the processed audio information through the R path, subtracts the audio information of the microphone M2 from the audio information of the microphone M3, and transmits the processed audio information through the L path, so as to form a stereo pickup mode;
the voice synthesis unit 120 adds the audio information of the microphone M1, the audio information of the microphone M2 and the audio information of the microphone M3, and transmits the processed audio information through an R path and an L path, respectively, so that an omnidirectional sound pickup mode can be formed;
the voice synthesis unit 120 transmits the audio information of the microphone M1 through the R path and transmits the audio information of the microphone M2 through the L path, so that a two-way heart-shaped sound pickup mode can be formed;
the speech synthesis unit 120 adds the audio information from the microphone M1 to the audio information from the microphone M2, subtracts the addition result from the audio information from the microphone M3, and transmits the processed audio information through the R path and the L path, respectively, thereby forming a bi-directional sound pickup mode.
Referring to fig. 3, the microphone M1, the microphone M2 and the microphone M3 may be non-uniformly distributed on a circle, for example, the microphone M1 and the microphone M2 are symmetrically arranged with respect to the diameter of the microphone M3, and the angle α between a first perpendicular line of the sound pickup surface of the microphone M1 and a second perpendicular line of the sound pickup surface of the microphone M2 is smaller than 120 °; wherein the microphone M1 may be a first microphone, the microphone M2 may be a second microphone, and the microphone M3 may be a third microphone.
In this embodiment, the microphone M1, the microphone M2, and the microphone M3 are distributed on a circle, and the sound pickup surface faces the outside of the circle, so that the microphone M1, the microphone M2, and the microphone M3 can pick up sound around 360 degrees, and then the voice synthesis unit 120 synthesizes audio information sent by the microphone M1, the microphone M2, and the microphone M3 according to different preset rules, so that sound pickup in multiple modes can be realized.
The voice synthesis unit 120 synthesizes the audio information sent by the microphone M1, the microphone M2, and the microphone M3 according to different preset rules, which may refer to the related contents shown in fig. 2 and will not be described herein again.
Illustratively, the microphones M1 and M2 in fig. 3 are symmetrically disposed with respect to the diameter of the microphone M3. Of course, in other embodiments, the microphone M1 and the microphone M2 may also be disposed asymmetrically with respect to the diameter of the microphone M3, which is not limited in the embodiments of the present application.
Referring to fig. 4, the microphones M1, M2 and M3 may be non-uniformly distributed on a circle, for example, the microphone M1 and the microphone M2 are disposed at the same position, and an angle α between a first perpendicular to a sound pickup plane of the microphone M1 and a second perpendicular to the sound pickup plane of the microphone M2 is less than 120 °. As shown in fig. 4, the sound pickup surface of the microphone M1 faces the right as a whole, and can collect audio information on the right; the microphone M2 has its sound-collecting surface facing the left as a whole, and can collect audio information on the left.
In the above embodiment, the diameter of the circle may be less than or equal to 150 mm, so as to ensure that the size of the product is not too large. Of course, in other embodiments, the diameter of the circle may also be a value greater than 150 mm, and may be specifically set according to actual needs.
It should be noted that the preset shape in the embodiment of the present application is not limited to a circular shape, and in other embodiments, the plurality of microphones may also be in other shapes than a circular shape, for example, the plurality of microphones may also be arranged in an elliptical shape, or arranged in a polygonal shape, and the like, and the sound pickup surfaces of the plurality of microphones face the outside of the preset shape, so that the plurality of microphones can realize 360-degree circular sound pickup.
In some embodiments, the microphone may be a single-directional microphone, wherein the single-directional microphone refers to a microphone that can only pick up sound in front of a microphone pickup surface, and the single-directional microphone may be a cardioid microphone or an ultra-cardioid microphone.
Illustratively, a plurality of unidirectional microphones are in a preset shape, and the pickup surface of each unidirectional microphone faces the outside of the preset shape, so that the plurality of unidirectional microphones can realize 360-degree surround pickup, and then the voice synthesis unit 120 synthesizes audio information sent by each unidirectional microphone according to different preset rules, thereby realizing multi-mode pickup.
An embodiment of the present invention further provides an audio apparatus, which includes any of the above-mentioned multi-mode video apparatuses, and therefore, all the advantages of the multi-mode video apparatus are provided, and are not described herein again.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. A multi-mode sound pickup apparatus, comprising: the voice synthesizer comprises a plurality of microphones, a voice synthesis unit, an amplification output unit and a power supply; the microphones are arranged in a preset shape, and the pickup surfaces face the outside of the preset shape; the microphones are all connected with the voice synthesis unit, the voice synthesis unit is connected with the amplification output unit, and the power supply supplies power to the voice synthesis unit and the amplification output unit;
the plurality of microphones send the picked audio information to the voice synthesis unit, the voice synthesis unit synthesizes the audio information sent by the plurality of microphones into audio information to be output and sends the audio information to the amplification output unit, and the amplification output unit amplifies and outputs the audio information to be output.
2. The multi-mode sound pickup device according to claim 1, wherein the number of the microphones is three.
3. The multi-mode sound pickup device of claim 1, wherein the predetermined shape is a circle.
4. The multi-mode sound pickup device according to claim 3, wherein the three microphones are uniformly arranged on the circle.
5. The multi-mode sound pickup device according to claim 3, wherein the three microphones are arranged on the circle, the three microphones are a first microphone, a second microphone and a third microphone, respectively, and wherein an angle between a first perpendicular to a sound pickup surface of the first microphone and a second perpendicular to a sound pickup surface of the second microphone is less than 120 °.
6. The multi-mode sound pickup device of claim 5, wherein the first microphone and the second microphone are symmetrical with respect to a diameter at which the third microphone is located.
7. The multi-mode sound pickup device of claim 3, wherein the diameter of the circle is less than or equal to 150 millimeters.
8. The multi-mode sound pickup device according to any one of claims 1 to 7, wherein the microphone is a single directional microphone.
9. The multi-mode sound pickup device of claim 8, wherein the single directional microphone is a cardioid microphone or an hypercardioid microphone.
10. An audio apparatus, comprising the multi-mode sound pickup apparatus as claimed in any one of claims 1 to 9.
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| CN202020390608.0U CN211930853U (en) | 2020-03-24 | 2020-03-24 | Multi-mode sound pickup device and audio device |
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| CN202020390608.0U CN211930853U (en) | 2020-03-24 | 2020-03-24 | Multi-mode sound pickup device and audio device |
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| CN211930853U true CN211930853U (en) | 2020-11-13 |
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