CN212749723U - Human-computer interaction terminal all-in-one machine with efficient sound collection function - Google Patents
Human-computer interaction terminal all-in-one machine with efficient sound collection function Download PDFInfo
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- CN212749723U CN212749723U CN202021928517.4U CN202021928517U CN212749723U CN 212749723 U CN212749723 U CN 212749723U CN 202021928517 U CN202021928517 U CN 202021928517U CN 212749723 U CN212749723 U CN 212749723U
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Abstract
Compared with the prior art, the human-computer interaction terminal all-in-one that possesses high-efficient sound collection function that this application discloses includes: a housing of the chassis; the central controller is arranged in the case shell; the voice information processing module is in communication connection with the central controller; the voice information acquisition module is used for acquiring voice instruction information; the mounting substrate is connected with the voice information acquisition module; a pickup microphone is arranged on the mounting substrate; the pickup microphones are arranged on the mounting substrate in a matrix arrangement mode; an analog signal processing module is arranged between the voice information acquisition module and the voice information processing module; the input end of the analog signal processing module is connected with the voice information acquisition module, and the output end of the analog signal processing module is connected with the voice information processing module. Compared with the prior art, the method can realize echo cancellation, noise reduction and beam forming, and perform high-precision voice interaction recognition.
Description
Technical Field
The application relates to the technical field of voice information interaction equipment, in particular to a human-computer interaction terminal all-in-one machine with a high-efficiency sound collection function.
Background
The interactive terminal all-in-one machine is used as a novel multimedia interactive terminal, covers functions of a projector, an electronic whiteboard, a computer, a television, a sound box, a power amplifier and the like, and brings great convenience for social development and mass life. Generally, an interactive terminal all-in-one machine takes a high-definition liquid crystal display as a display and operation platform, integrates multiple technologies such as high-definition display, man-machine interaction, multimedia information processing and network transmission and the like, and is a preferred solution in the fields of teaching, office and the like in the information era.
At present, public places such as tourist attractions, schools, ports, docks, movie theaters and the like are gradually deployed by the interactive terminal all-in-one machine. In a public place, when a user performs voice interaction with the terminal all-in-one machine, due to the existence of environmental noise and echo, the terminal all-in-one machine is influenced to inaccurate collection of voice instruction information of the user, and the user and the terminal all-in-one machine cannot perform effective voice interaction, so that the user experience is very poor.
Therefore, it is a technical problem to be solved by those skilled in the art how to provide a human-computer interaction terminal all-in-one machine with an efficient sound collection function, which can implement echo cancellation, noise reduction and beam forming to perform high-precision voice interaction recognition.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the application provides a human-computer interaction terminal all-in-one machine with a high-efficiency sound collection function, which can realize echo cancellation, noise reduction and beam forming and perform high-precision voice interaction identification.
The technical scheme provided by the application is as follows:
the application provides a human-computer interaction terminal all-in-one that possesses high-efficient sound collection function, a serial communication port, include: a housing of the chassis; the central controller is arranged in the case shell; the voice information processing module is in communication connection with the central controller; the voice information acquisition module is used for acquiring voice instruction information; the mounting substrate is arranged on the voice information acquisition module; a sound pickup microphone is arranged on the mounting substrate; the pickup microphones are arranged on the mounting substrate in a matrix arrangement mode; an analog signal processing module is arranged between the voice information acquisition module and the voice information processing module; the input end of the analog signal processing module is connected with the voice information acquisition module, and the output end of the analog signal processing module is connected with the voice information processing module.
Further, in a preferred embodiment of the present invention, the analog signal processing module includes: the information amplification unit is connected with the voice information acquisition module; and the information conversion unit is connected with the signal amplification unit at one end and the voice information processing module at the other end.
Further, in the preferred mode of the present invention, the human-computer interaction terminal all-in-one machine with high efficiency sound collection function further comprises: and the voice information acquisition module is connected with a voice external interface module for externally connecting a pickup mechanism.
Further, in an embodiment of the present invention, the voice external interface module includes: USB interface unit, OTG interface unit and RCA interface unit.
Further, in a preferred embodiment of the present invention, the voice information processing module includes: and the voice information screening unit, the echo cancellation unit, the voice noise reduction unit and the beam forming unit are connected with the analog signal processing module.
Further, in a preferred mode of the present invention, the type of the mounting substrate is a linear mounting substrate or an annular mounting substrate.
Further, in a preferred embodiment of the present invention, the sound pickup microphones are mounted in a linear matrix arrangement on the linear mounting substrate; on the annular mounting substrate, the pickup microphones are uniformly arranged in an annular matrix arrangement mode.
Further, in the preferred mode of the present invention, the human-computer interaction terminal all-in-one machine with high efficiency sound collection function further comprises: and the digital signal processing module is in communication connection with the central controller.
Further, in a preferred embodiment of the present invention, the digital signal processing module includes: the digital-to-analog conversion unit is connected with the central controller; and the power amplification unit is connected with the digital-to-analog conversion unit.
Further, in the preferred mode of the present invention, the human-computer interaction terminal all-in-one machine with high efficiency sound collection function further comprises: and the loudspeaker mechanism is connected with the digital signal processing module.
Further, in the preferred mode of the present invention, the human-computer interaction terminal all-in-one machine with high efficiency sound collection function further comprises: and the supporting and fixing mechanism is fixedly connected with the case shell.
Further, in a preferred mode of the present invention, the type of the supporting and fixing mechanism includes: wall-hanging supporting mechanism and fixed horizontal supporting mechanism.
Further, in a preferred mode of the present invention, the housing of the cabinet is covered with aluminum; and a touch screen protection mechanism is arranged on the case shell.
Further, in a preferred embodiment of the present invention, the touch screen protection mechanism is touch screen tempered glass; the thickness of the touch screen toughened glass is preferably 2-4 mm.
The utility model provides a pair of human-computer interaction terminal all-in-one that possesses high-efficient sound collection function compares with prior art, include: a housing of the chassis; the central controller is arranged in the case shell; the voice information processing module is in communication connection with the central controller; the voice information acquisition module is used for acquiring voice instruction information; the mounting substrate is arranged on the voice information acquisition module; a sound pickup microphone is arranged on the mounting substrate; the pickup microphones are arranged on the mounting substrate in a matrix arrangement mode; an analog signal processing module is arranged between the voice information acquisition module and the voice information processing module; the input end of the analog signal processing module is connected with the voice information acquisition module, and the output end of the analog signal processing module is connected with the voice information processing module. The pickup microphones are arranged on the mounting substrate in a matrix arrangement mode by utilizing the pickup microphones arranged on the mounting substrate, so that the man-machine interaction terminal all-in-one machine with the efficient sound collection function can still effectively collect voice data in a noisy environment; secondly, the echo cancellation unit, the voice noise reduction unit and the beam forming unit are utilized to process the collected voice data, so that echo cancellation, noise reduction and beam forming are realized. The utility model relates to a technical scheme compares in prior art, and it can realize echo cancellation, fall and make an uproar and beam forming, carries out the speech interaction discernment of high accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a three-dimensional structure of a man-machine interactive terminal all-in-one machine with a high-efficiency sound collection function provided by the embodiment of the utility model;
fig. 2 is a front view of the man-machine interactive terminal all-in-one machine with high-efficiency sound collection function provided by the embodiment of the utility model;
fig. 3 is a left side view of the man-machine interactive terminal all-in-one machine with high-efficiency sound collection function provided by the embodiment of the utility model;
fig. 4 is a block diagram schematically illustrating the structure of the man-machine interactive terminal all-in-one machine with high-efficiency sound collection function provided by the embodiment of the present invention.
Description of reference numerals:
a central controller 1; a voice information processing module 2; an echo cancellation unit 201; a beam forming unit 202; a noise reduction unit 203; a voice information screening unit 204; an analog signal processing module 3; an information conversion unit 301; an information amplification unit 302; a voice information acquisition module 4; a voice external interface module 5; a USB interface unit 501; an OTG interface unit 502; RCA interface unit 503; a digital signal processing module 6; a digital-to-analog conversion unit 601; a power amplifier unit 602; a speaker mechanism 7; a sound pickup microphone 8; a mounting substrate 9; a touch screen protection mechanism 10; a support fixing mechanism 11; a housing shell 12.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, 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 a part of the embodiments of the present application, and 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 will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
As shown in fig. 1 to 4, a human-computer interaction terminal all-in-one machine with a high-efficiency sound collection function provided in an embodiment of the present application includes: a housing shell 12; a central controller 1 disposed in the cabinet housing 12; the voice information processing module 2 is arranged in the case shell 12 and is in communication connection with the central controller 1; the voice information acquisition module 4 is arranged on the case shell 12 and is used for acquiring voice instruction information; the mounting substrate 9 is arranged on the voice information acquisition module 4; a sound pickup microphone 8 is arranged on the mounting substrate 9; the sound pickup microphones 8 are arranged on the mounting substrate 9 in a matrix arrangement; an analog signal processing module 3 is arranged between the voice information acquisition module 4 and the voice information processing module 2; the input end of the analog signal processing module 3 is connected with the voice information acquisition module 4, and the output end of the analog signal processing module is connected with the voice information processing module 2; the voice information processing module 2 includes: an echo cancellation unit 201, a voice noise reduction unit 203 and a beam forming unit 202 connected to the analog signal processing module 3.
The embodiment of the utility model provides a human-computer interaction terminal all-in-one that possesses high-efficient sound collection function specifically includes: a housing shell 12; a central controller 1 disposed in the cabinet housing 12; the voice information processing module 2 is arranged in the case shell 12 and is in communication connection with the central controller 1; the voice information acquisition module 4 is arranged on the case shell 12 and is used for acquiring voice instruction information; the mounting substrate 9 is arranged on the voice information acquisition module 4; a sound pickup microphone 8 is arranged on the mounting substrate 9; the sound pickup microphones 8 are arranged on the mounting substrate 9 in a matrix arrangement; an analog signal processing module 3 is arranged between the voice information acquisition module 4 and the voice information processing module 2; the input end of the analog signal processing module 3 is connected with the voice information acquisition module 4, and the output end of the analog signal processing module is connected with the voice information processing module 2; the voice information processing module 2 includes: an echo cancellation unit 201, a voice noise reduction unit 203 and a beam forming unit 202 connected to the analog signal processing module 3. The utility model relates to a technical scheme compares in prior art, and it can realize echo cancellation, fall and make an uproar and beam forming, carries out the speech interaction discernment of high accuracy.
Specifically, in the embodiment of the present invention, the analog signal processing module 3 includes: an information amplification unit 302 connected with the voice information acquisition module 4; an information conversion unit 301 having one end connected to the information amplification unit 302 and the other end connected to the voice information processing module 2.
Specifically, in the embodiment of the utility model, the human-computer interaction terminal all-in-one that possesses high-efficient sound collection function still includes: and the voice information acquisition module 4 is connected with a voice external interface module 5 for externally connecting a pickup mechanism.
Specifically, in the embodiment of the present invention, the voice external interface module 5 includes: a USB interface unit 501, an OTG interface unit 502, and an RCA interface unit 503.
A plurality of external interface modules are arranged, and the USB interface unit 501, the OTG interface unit 502, and the RCA interface unit 503 can be used to externally connect a pickup mechanism.
Specifically, in the embodiment of the present invention, the voice information processing module 2 includes: the voice information screening unit 204, the echo cancellation unit 201, the voice noise reduction unit 203 and the beam forming unit 202 are connected with the analog signal processing module 3.
Specifically, in the embodiment of the present invention, the type of the mounting substrate 9 is a linear mounting substrate or an annular mounting substrate.
Specifically, in the embodiment of the present invention, the sound pickup microphones 8 are mounted in a linear matrix arrangement on the linear mounting substrate; on the annular mounting substrate, the pickup microphones 8 are uniformly arranged in an annular matrix arrangement manner.
Wherein the mounting substrate 9 includes: the linear mounting substrate and the annular mounting substrate may be different types of mounting substrates 9 according to different application scenarios.
Specifically, in the embodiment of the utility model, the human-computer interaction terminal all-in-one that possesses high-efficient sound collection function still includes: and the supporting and fixing mechanism 11 is fixedly connected with the case shell 12.
Specifically, in the embodiment of the present invention, the types of the supporting and fixing mechanism 11 include: wall-hanging supporting mechanism and fixed horizontal supporting mechanism.
The supporting and fixing mechanism 11 is arranged, so that the man-machine interaction terminal all-in-one machine with the efficient sound collection function is installed.
Specifically, in the embodiment of the utility model, the human-computer interaction terminal all-in-one that possesses high-efficient sound collection function still includes: and the digital signal processing module 6 is in communication connection with the central controller 1.
Specifically, in the embodiment of the present invention, the digital signal processing module 6 includes: a digital-to-analog conversion unit 601 connected to the central controller 1; and the power amplifier unit 602 is connected with the digital-to-analog conversion unit 601.
Specifically, in the embodiment of the utility model, the human-computer interaction terminal all-in-one that possesses high-efficient sound collection function still includes: and the loudspeaker mechanism 7 is connected with the digital signal processing module 6.
Specifically, in the embodiment of the present invention, the housing 12 is made of aluminum material; a touch screen protection mechanism 10 is provided on the housing 12.
Specifically, in the embodiment of the present invention, the touch screen protection mechanism 10 is touch screen tempered glass; the thickness of the touch screen toughened glass is preferably 2-4 mm, and the thickness of the touch screen toughened glass is further preferably 3 mm.
Specifically, in the embodiment of the present invention, the number of the sound pickup microphones 8 provided on the mounting substrate 9 is 4.
More specifically, at present, the interactive terminal all-in-one machine gradually deploys public places such as tourist attractions, schools, ports, docks, movie theaters and the like. In a public place, when a user performs voice interaction with the terminal all-in-one machine, due to the existence of environmental noise and echo, the terminal all-in-one machine is influenced to inaccurate collection of voice instruction information of the user, and the user and the terminal all-in-one machine cannot perform effective voice interaction, so that the user experience is very poor.
The utility model relates to a human-computer interaction terminal all-in-one machine with high-efficient sound collection function, through setting up 4 pickup microphones 8, and pickup microphones 8 set up in matrix arrangement mode on mounting substrate 9, can effectively carry out the collection of speech data; secondly, the echo cancellation unit 201, the noise reduction unit 203 and the beam forming unit 202 are utilized to process the collected voice data, so as to realize echo cancellation, noise reduction and beam forming.
From the above, the embodiment of the present invention relates to a human-computer interaction terminal all-in-one machine with high-efficiency sound collection function, which utilizes 4 pickup microphones 8 disposed on the mounting substrate 9, wherein the pickup microphones 8 are disposed on the mounting substrate 9 in a matrix arrangement manner, so that the human-computer interaction terminal all-in-one machine with high-efficiency sound collection function can still effectively collect voice data in a noisy environment; secondly, the echo cancellation unit 201, the voice noise reduction unit 203 and the beam forming unit 202 are utilized to process the collected voice data, so as to realize echo cancellation, noise reduction and beam forming. The utility model relates to a technical scheme compares in prior art, and it can realize echo cancellation, fall and make an uproar and beam forming, carries out the speech interaction discernment of high accuracy.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a human-computer interaction terminal all-in-one that possesses high-efficient sound collection function which characterized in that includes:
a housing of the chassis; the central controller is arranged in the case shell;
the voice information processing module is in communication connection with the central controller;
the voice information acquisition module is used for acquiring voice instruction information;
the mounting substrate is connected with the voice information acquisition module; a sound pickup microphone is arranged on the mounting substrate; the pickup microphones are arranged on the mounting substrate in a matrix arrangement mode;
an analog signal processing module is arranged between the voice information acquisition module and the voice information processing module; the input end of the analog signal processing module is connected with the voice information acquisition module, and the output end of the analog signal processing module is connected with the voice information processing module.
2. The all-in-one human-computer interaction terminal with the efficient sound collection function as claimed in claim 1, wherein the analog signal processing module comprises: the information amplification unit is connected with the voice information acquisition module; and the information conversion unit is connected with the signal amplification unit at one end and the voice information processing module at the other end.
3. The all-in-one human-computer interaction terminal with the efficient sound collection function as claimed in claim 1, further comprising: and the voice external interface module is connected with the voice information acquisition module and is used for externally connecting a voice acquisition device.
4. The all-in-one human-computer interaction terminal with the efficient sound collection function as claimed in claim 3, wherein the voice external interface module comprises: USB interface unit, OTG interface unit and RCA interface unit.
5. The all-in-one human-computer interaction terminal with the efficient sound collection function as claimed in claim 1, wherein the voice information processing module comprises: and the voice information screening unit, the echo cancellation unit, the voice noise reduction unit and the beam forming unit are connected with the analog signal processing module.
6. The all-in-one human-computer interaction terminal with the efficient sound collection function as claimed in claim 1, wherein the type of the mounting substrate is a linear mounting substrate or a ring-shaped mounting substrate.
7. The all-in-one human-computer interaction terminal with the efficient sound collection function as claimed in claim 6, wherein the sound pickup microphones are mounted in a linear matrix arrangement on the linear mounting substrate; on the annular mounting substrate, the pickup microphones are uniformly arranged in an annular matrix arrangement mode.
8. The all-in-one human-computer interaction terminal with the efficient sound collection function as claimed in claim 1, further comprising: and the digital signal processing module is in communication connection with the central controller.
9. The all-in-one human-computer interaction terminal with the efficient sound collection function as claimed in claim 8, wherein the digital signal processing module comprises: the digital-to-analog conversion unit is connected with the central controller; and the power amplification unit is connected with the digital-to-analog conversion unit.
10. The all-in-one human-computer interaction terminal with the efficient sound collection function according to claim 9, further comprising: and the loudspeaker mechanism is connected with the digital signal processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021928517.4U CN212749723U (en) | 2020-09-07 | 2020-09-07 | Human-computer interaction terminal all-in-one machine with efficient sound collection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021928517.4U CN212749723U (en) | 2020-09-07 | 2020-09-07 | Human-computer interaction terminal all-in-one machine with efficient sound collection function |
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| Publication Number | Publication Date |
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| CN212749723U true CN212749723U (en) | 2021-03-19 |
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| CN202021928517.4U Active CN212749723U (en) | 2020-09-07 | 2020-09-07 | Human-computer interaction terminal all-in-one machine with efficient sound collection function |
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| CN (1) | CN212749723U (en) |
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