CN111263254B - Sound collection assembly and intelligent equipment - Google Patents
Sound collection assembly and intelligent equipment Download PDFInfo
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- CN111263254B CN111263254B CN202010071180.8A CN202010071180A CN111263254B CN 111263254 B CN111263254 B CN 111263254B CN 202010071180 A CN202010071180 A CN 202010071180A CN 111263254 B CN111263254 B CN 111263254B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
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Abstract
The invention discloses a sound collection assembly and intelligent equipment, wherein the sound collection assembly comprises a fixing frame, support rods and microphones, eight microphones are correspondingly arranged on the eight support rods, and the eight microphones are distributed along the same circumference; four included angles in eight included angles formed between two adjacent support rods are 30 degrees, the other four included angles are 60 degrees, the four included angles of 30 degrees are arranged in pairs in an opposite mode, and the four included angles of 60 degrees are arranged in pairs in an opposite mode; any two microphones are matched, so that the sound collection component forms a binary array sound collector; the three microphones with the included angle of 120 degrees between every two microphones are matched, so that the sound collection assembly forms a ternary array sound collector; four microphones with an included angle of 90 degrees between every two microphones are matched, so that the sound collection assembly forms a four-element array sound collector; six microphones with an included angle of 60 degrees between every two microphones are matched, so that the sound collection assembly forms a six-element sound collector.
Description
Technical Field
The invention relates to the field of data acquisition, in particular to a sound acquisition assembly and intelligent equipment.
Background
The microphone array can obtain enough sound data and combines different signal processing algorithms to realize various functions of the intelligent hardware of the Internet of things, such as near-field sound receiving, far-field sound receiving, sound source positioning, voice enhancement, blind source separation and the like; different algorithms have different requirements on the form and the unit spacing of the microphone array, different microphone arrays also have different advantages and defects, and the type of the microphone also has direct influence on the acquisition of sound data.
At present, the microphone array types used in large quantity are binary array, ternary array, quaternary array and hexahydric array, which are respectively applied to the fields of intelligent sound boxes and the like. If different algorithms are adopted, different microphone arrays are required to be matched, and the positions of the microphones are required to be adjusted; the microphone arrays of the binary array, the ternary array, the quaternary array and the hexahydric array are designed respectively, and a plurality of microphone arrays need to be equipped when two or more than two of the binary array, the ternary array, the quaternary array and the hexahydric array are needed as one intelligent device, so that the universality and the variability are lacked, the cost control of a product is not facilitated, and the miniaturization design of the product is not facilitated.
Disclosure of Invention
In order to solve the technical problem, the embodiment of the invention provides a sound collection assembly and intelligent equipment.
The first aspect of the embodiment of the invention provides a sound collection assembly, which comprises a fixed frame, eight supporting rods and eight microphones, wherein the eight supporting rods and the eight microphones are respectively arranged on the fixed frame in a radial manner and arranged in a coplanar manner, the eight microphones are correspondingly arranged on the eight supporting rods, and the eight microphones are arranged along the same circumference;
among eight included angles formed between every two adjacent support rods, four included angles are 30 degrees, the other four included angles are 60 degrees, the four included angles of 30 degrees are arranged in pairs in an opposite mode, and the four included angles of 60 degrees are arranged in pairs in an opposite mode;
any two microphones are matched, so that the sound collection assembly forms a binary array sound collector; the three microphones with the included angle of 120 degrees between every two microphones are matched, so that the sound collection assembly forms a ternary array sound collector; the four microphones with the included angle of 90 degrees are matched with each other, so that the sound collection assembly forms a four-element array sound collector; six microphones with included angles of 60 degrees between every two microphones are matched, so that the sound collection assembly forms a six-element array sound collector.
Optionally, the microphone is slidably connected to the strut.
Optionally, a sliding sleeve is sleeved on each support rod, and the microphone is mounted on the sliding sleeve.
Optionally, the supporting rod is slidably connected to the fixing frame, so that the supporting rod can slide along a preset direction of the fixing frame.
Optionally, the fixing frame is a main shaft, and the supporting rod can slide along the axial direction of the main shaft.
Optionally, the fixing frame is provided with a guide groove, and one end of the supporting rod is slidably connected in the guide groove.
Optionally, eight branch is mutually independent structure, the guide slot includes eight, eight the guide slot is parallel to each other, just the guide slot along preset direction extends, the one end sliding connection of branch is in the guide slot that corresponds.
Optionally, one end of each of the eight support rods connected to the fixing frame is fixedly connected to form an integral structure through a connecting portion, and the connecting portion is sleeved on the fixing frame and slidably connected to the guide groove.
Optionally, the guide groove includes at least two, at least two of the guide grooves are parallel to each other, and the guide groove extends along the preset direction, and the connecting portion is slidably connected in the guide groove.
A second aspect of an embodiment of the present invention is an intelligent device, including:
a housing;
in the sound collection assembly according to the first aspect of the embodiments of the present invention, the fixing frame of the sound collection assembly is mounted on the housing.
In the technical scheme provided by the embodiment of the invention, the eight microphones are radially arranged along the same circle center, and the arrangement mode of the included angles among the microphones realizes the sound acquisition function of a binary array, a ternary array, a quaternary array and a hexahydric array on the same sound acquisition assembly.
Drawings
Fig. 1 is a schematic structural diagram of a sound collection assembly according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating a relationship between a microphone and a support rod according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating a moving manner of a microphone according to an embodiment of the invention.
Reference numerals: 1: a fixed mount; 2: a strut; 3: a microphone; 31: a first microphone; 32: a second microphone; 33: a third microphone; 34: a fourth microphone; 35: a fifth microphone; 36: a sixth microphone; 37: a seventh microphone; 38: and an eighth microphone.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
It should be noted that the following embodiments may be combined without conflict.
The embodiment of the invention provides a sound collection assembly, please refer to fig. 1, the sound collection assembly may include a fixing frame 1, support rods 2 and microphones 3, wherein the support rods 2 and the microphones 3 respectively include eight, the eight support rods 2 are radially installed on the fixing frame 1, and the eight support rods 2 are coplanar. Eight microphones 3 are correspondingly arranged on the eight support rods 2, and the eight microphones 3 are arranged along the same circumference.
In this embodiment, of the eight included angles formed between two adjacent support rods 2, four included angles are 30 degrees, the other four included angles are 60 degrees, the four included angles of 30 degrees are arranged in pairs, and the four included angles of 60 degrees are arranged in pairs.
Any two microphones 3 of the embodiment are matched, so that the sound collection component forms a binary array sound collector; the three microphones 3 with the included angle of 120 degrees are matched with each other, so that the sound collection assembly forms a ternary array sound collector; the four microphones 3 with the included angle of 90 degrees are matched with each other, so that the sound collection assembly forms a four-element array sound collector; six microphones 3 with included angles of 60 degrees are matched with each other, so that the sound collection assembly forms a six-element sound collector.
Specifically, referring to fig. 1, the eight microphones 3 are a first microphone 31, a second microphone 32, a third microphone 33, a fourth microphone 34, a fifth microphone 35, a sixth microphone 36, a seventh microphone 37, and an eighth microphone 38, respectively. The included angle between the first sensor and the second sensor, the included angle between the first sensor and the eighth sensor, the included angle between the fourth microphone 34 and the fifth microphone 35, and the included angle between the fifth microphone 35 and the sixth microphone 36 are all 30 degrees, and the included angle between the second microphone 32 and the third microphone 33, the included angle between the third microphone 33 and the fourth microphone 34, the included angle between the sixth microphone 36 and the seventh microphone 37, and the included angle between the seventh microphone 37 and the eighth microphone 38 are all 60 degrees.
Any two microphones of the first microphone 31, the second microphone 32, the third microphone 33, the fourth microphone 34, the fifth microphone 35, the sixth microphone 36, the seventh microphone 37 and the eighth microphone 38 can be matched into a binary array; the second microphone 32, the fourth microphone 34 and the seventh microphone 37 may be matched as a ternary array, and the third microphone 33, the sixth microphone 36 and the eighth microphone 38 may be matched as a ternary array; the first microphone 31, the third microphone 33, the fifth microphone 35, and the seventh microphone 37 may be matched as a quaternary array; the second microphone 32, the third microphone 33, the fourth microphone 34, the sixth microphone 36, the seventh microphone 37, and the eighth microphone 38 may be matched as a six-element array.
According to the sound collection assembly provided by the embodiment of the invention, the eight microphones 3 are radially arranged along the same circle center (namely the center of the array), and the arrangement mode of the included angles among the microphones 3 realizes the sound collection function of a binary array, a ternary array, a quaternary array and a hexahydric array on the same sound collection assembly, so that the variable microphone 3 array design is suitable for intelligent hardware of the Internet of things adopting different algorithms, different arrays and different microphones 3, so as to meet the technical requirements of near-field sound collection, far-field sound collection, sound source positioning, voice enhancement, blind source separation and the like, and is strong in universality and variability, and beneficial to cost control and product miniaturization design.
The types of the eight microphones 3 can be selected according to needs, and optionally, the eight microphones 3 are microphones of the same type; optionally, at least some of the eight microphones 3 are not identical.
The radial distance of the microphone 3 from the center point of the array can be adjusted or fixed. In this embodiment, the radial distance of the microphone 3 from the center point of the array can be adjusted to meet different hardware sizes, algorithms and functions, for example, in some embodiments, the microphone 3 is slidably attached to the rod 2.
The sliding structure of the microphone 3 and the struts 2 can be designed as required, for example, optionally, a sliding sleeve is sleeved on each strut 2, and the microphone 3 is mounted on the sliding sleeve. Of course, other sliding structures may be adopted, such as a sliding groove arranged along the axial direction of the support rod 2, and the microphone 3 is slidably connected with the sliding groove.
Further, the supporting rod 2 of the present embodiment is slidably connected to the fixing frame 1, so that the supporting rod 2 can slide along the preset direction of the fixing frame 1. Alternatively, the fixing frame 1 is a main shaft, and the supporting rod 2 can slide along the axial direction of the main shaft. The axial distance of the microphone 3 from the center plane of the array can be adjusted to meet different hardware sizes, algorithms and functions.
The sliding between the supporting rod 2 and the fixing frame 1 can be achieved by different structures, for example, in some embodiments, the fixing frame 1 is provided with a guide groove, and one end of the supporting rod 2 is slidably connected in the guide groove. It should be understood that other sliding structures may be used to achieve the sliding connection of the bar 2 with the frame 1.
The eight struts 2 may be independent structures or may be an integral structure. Optionally, in an embodiment, the eight struts 2 are independent structures, the guide grooves include eight guide grooves, the eight guide grooves are parallel to each other and extend along the predetermined direction, and one end of each strut 2 is slidably connected in the corresponding guide groove. When the fixed frame 1 is a main shaft, the extending directions of the eight guide grooves are parallel to the axial direction of the main shaft.
In another embodiment, the ends of the eight struts 2 connected to the fixing frame are fixedly connected by a connecting part to form a unitary structure. In this embodiment, the connecting portion is sleeved on the fixing frame 1, and the connecting portion is slidably connected with the guide groove. The guide groove may include one or more. In order to make the sliding of the connecting portion with the fixing frame 1 more stable, optionally, the guide groove includes at least two, at least two guide grooves are parallel to each other, and the guide grooves extend along the preset direction, and the connecting portion is slidably connected in the guide grooves. When the fixed frame 1 is a main shaft, the extending directions of at least two guide grooves are parallel to the axial direction of the main shaft.
The embodiment of the invention also discloses intelligent equipment which can comprise a shell and the sound collection assembly of the embodiment, wherein the fixed frame 1 of the sound collection assembly is arranged on the shell.
The intelligent device can comprise an intelligent sound box and can also comprise other devices needing sound collection.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will 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; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The sound collection assembly is characterized by comprising a fixing frame (1), eight supporting rods (2) and eight microphones (3), wherein the eight supporting rods (2) and the eight microphones (3) are respectively arranged on the fixing frame (1) in a radial mode, the eight supporting rods (2) are arranged in a coplanar mode, the eight microphones (3) are correspondingly arranged on the eight supporting rods (2), and the eight microphones (3) are distributed along the same circumference;
among eight included angles formed between every two adjacent supporting rods (2), four included angles are 30 degrees, the other four included angles are 60 degrees, the four included angles of 30 degrees are arranged oppositely in pairs, and the four included angles of 60 degrees are arranged oppositely in pairs;
any two microphones (3) are matched, so that the sound collection assembly forms a binary array sound collector; the three microphones (3) with the included angle of 120 degrees between every two microphones are matched, so that the sound collection assembly forms a ternary array sound collector; four microphones (3) with an included angle of 90 degrees between every two microphones are matched, so that the sound collection assembly forms a four-element array sound collector; six microphones (3) with included angles of 60 degrees between every two microphones are matched, so that the sound collection assembly forms a six-element sound collector.
2. Sound collection assembly according to claim 1, wherein the microphone (3) is slidingly connected to the stem (2).
3. A sound collection assembly according to claim 2, wherein each strut (2) is sleeved with a sliding sleeve, and the microphone (3) is mounted on the sliding sleeve.
4. Sound collection assembly according to claim 1, wherein the strut (2) is slidably connected to the holder (1) such that the strut (2) is slidable in a predetermined direction of the holder (1).
5. Sound collection assembly according to claim 4, wherein the holder (1) is a spindle, the strut (2) being slidable in the axial direction of the spindle.
6. Sound collection assembly according to claim 4, characterized in that the holder (1) is provided with a guide groove in which one end of the strut (2) is slidably connected.
7. The sound collection assembly of claim 6, wherein the eight struts (2) are independent structures, the guide grooves comprise eight guide grooves, the eight guide grooves are parallel to each other and extend along the preset direction, and one end of each strut (2) is slidably connected in the corresponding guide groove.
8. The sound collection assembly according to claim 6, wherein the ends of the eight support rods (2) connected to the fixing frame (1) are fixedly connected by a connecting portion to form an integral structure, and the connecting portion is sleeved on the fixing frame (1) and slidably connected to the guide groove.
9. The sound collection assembly of claim 8, wherein the guide slots comprise at least two, at least two of the guide slots being parallel to each other and extending along the predetermined direction, the connecting portion being slidably coupled in the guide slots.
10. A smart device, the smart device comprising:
a housing;
a sound collection assembly according to any of claims 1 to 9, wherein the holder (1) of the sound collection assembly is mounted on the housing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010071180.8A CN111263254B (en) | 2020-01-21 | 2020-01-21 | Sound collection assembly and intelligent equipment |
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| CN202010071180.8A CN111263254B (en) | 2020-01-21 | 2020-01-21 | Sound collection assembly and intelligent equipment |
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| CN111263254A CN111263254A (en) | 2020-06-09 |
| CN111263254B true CN111263254B (en) | 2021-08-10 |
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| CN112383847B (en) * | 2020-10-28 | 2022-09-20 | 歌尔智能科技有限公司 | Sound box and sound pickup control method thereof |
| CN114141264A (en) * | 2021-11-30 | 2022-03-04 | 联想(北京)有限公司 | Control method and electronic device |
| CN113938780A (en) * | 2021-11-30 | 2022-01-14 | 联想(北京)有限公司 | Sound pickup apparatus, electronic device, and control method |
| CN114143643B (en) * | 2021-12-09 | 2024-06-07 | 武汉汇通阳光科技有限公司 | An adjustable sound pickup device based on dual microphone array |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205491134U (en) * | 2016-03-10 | 2016-08-17 | 浙江工业大学 | Umbrella -type three -dimensional microphone array that can reshuffle |
| CN109164416A (en) * | 2018-09-12 | 2019-01-08 | 南京信息工程大学 | A kind of sound localization method of three planes, five yuan of microphone arrays |
| CN109633551A (en) * | 2019-01-08 | 2019-04-16 | 中国电子科技集团公司第三研究所 | A kind of acoustic array of detectable a variety of acoustic targets |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080056517A1 (en) * | 2002-10-18 | 2008-03-06 | The Regents Of The University Of California | Dynamic binaural sound capture and reproduction in focued or frontal applications |
| CN101351058B (en) * | 2008-09-09 | 2012-01-04 | 西安交通大学 | Microphone array and method for implementing voice signal enhancement |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205491134U (en) * | 2016-03-10 | 2016-08-17 | 浙江工业大学 | Umbrella -type three -dimensional microphone array that can reshuffle |
| CN109164416A (en) * | 2018-09-12 | 2019-01-08 | 南京信息工程大学 | A kind of sound localization method of three planes, five yuan of microphone arrays |
| CN109633551A (en) * | 2019-01-08 | 2019-04-16 | 中国电子科技集团公司第三研究所 | A kind of acoustic array of detectable a variety of acoustic targets |
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