CN108376501A - A kind of ambient noise identifying system and its working method based on VR systems - Google Patents
A kind of ambient noise identifying system and its working method based on VR systems Download PDFInfo
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- CN108376501A CN108376501A CN201810395138.4A CN201810395138A CN108376501A CN 108376501 A CN108376501 A CN 108376501A CN 201810395138 A CN201810395138 A CN 201810395138A CN 108376501 A CN108376501 A CN 108376501A
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Abstract
A kind of ambient noise identifying system and its working method based on VR systems, belong to technical field of acoustics, and at just diagonally arranged, desktop computer is electrically connected with VR system headset equipments for the VR system base-stations of the ambient noise identifying system.VR system wireless control handle wirelessly manipulates mobile source of background noise movement, emits the first sound ray with any angle, wireless to manipulate fixed background noise source transmission rising tone ray at any angle.The system is suitable for the spatial noise of arbitrary shape, adaptable;It can realize that the acoustic propagation of true source of background noise is simulated by mobile source of background noise;Sound ray encounters barrier during air borne and can reflect and decay, and attenuation process is embodied in the variation of the color and thickness of reflected sound ray, to which real simulation sound encounters influence of the different barriers to sound ray in air borne;Sound ray can be propagated in communication process in the structure along obstacle object angle and obstacle object plane, the process that real simulation sound is propagated in the structure.
Description
Technical field
The present invention relates to a kind of ambient noise identifying systems and its working method based on VR systems, belong to acoustic technique neck
Domain.The mould of specifically a kind of simulation and source of background noise communication process for realizing a variety of source of background noise using VR systems
It is quasi-.
Background technology
With the mature of VR technologies, VR technologies have become the useful supplement of current teaching research, in acoustics side
Face, the acoustic propagation phenomenon that VR technologies can will be unable to observation are showed in a manner of virtual reality, and therefore, VR technologies are used for sound
The visual research of propagation phenomenon can preferably go back original sound field, carry out acoustic propagation research, whether be used for imparting knowledge to students or studying
All it is beneficial.
Invention content
The present invention provides a kind of ambient noise identifying system and its working method based on VR systems, ambient noise identification
System can be applied to the analog study of source of background noise communication process, simulate the propagation of mobile noise source and steady noise source,
Well phenomena such as the acoustic attenuation in simulated sound communication process, sound reflecting, simulation sound wave is during air and structure-borne
Two kinds of different circulation ways, and the system suitability is strong, is suitable for spatial noise of different shapes.
The technical solution adopted by the present invention is:A kind of ambient noise identifying system based on VR systems, it includes desktop
Brain, it further includes two VR system base-stations, VR systems headset equipment, VR system wireless control handle, mobile source of background noise
With fixed background noise source, the VR system base-stations are arranged in spatial noise corner, and two VR system base-stations are at positive diagonal relationship;
The desktop computer is electrically connected by line-connecting machine with VR system headset equipments;The VR system wireless control handle wirelessly manipulates
Mobile source of background noise movement, emits the first sound ray with any angle;The VR system wireless control handle(Wireless manipulation is solid
Determine source of background noise transmitting rising tone ray at any angle.
The step of working method of the ambient noise identifying system based on VR systems, the working method uses, is such as
Under:
(a)VR system base-stations are arranged in spatial noise diagonal position, and desktop computer passes through line-connecting machine and VR system headset equipments
It is electrically connected and is controlled by VR system dotted line control handles;
(b)The mobile source of background noise movement arrangement of VR system wireless control handles control is at an arbitrary position;
(c)The mobile source of background noise of VR system wireless control handles control emits the first sound ray at any angle;
(d)The first sound ray is propagated in air at any angle for mobile source of background noise transmitting, can be reflected after encountering barrier
Decaying, attenuation process are embodied in the variation of the color and thickness of reflected sound ray;
(e)VR system wireless control handles control fixed background noise source transmission rising tone ray at any angle;
(f)Rising tone ray can pass fixed background noise source transmission after encountering barrier along blocking surfaces at any angle
It broadcasts.
The beneficial effects of the invention are as follows:The VR system base-stations of this ambient noise identifying system based on VR systems are arranged in
Spatial noise corner, two VR system base-stations pass through line-connecting machine and VR system headset equipments at positive diagonal relationship, desktop computer
Electrical connection.VR system wireless control handle wirelessly manipulates mobile source of background noise movement, emits the first sound ray with any angle,
It is wireless to manipulate fixed background noise source transmission rising tone ray at any angle.The ambient noise identifying system is suitable for arbitrary shape
The spatial noise of shape, it is adaptable;It can be by mobile source of background noise to realize the acoustic propagation mould of true source of background noise
It is quasi-;Sound ray encounters barrier during air borne and can reflect and decay, and attenuation process is embodied in the face of reflected sound ray
The variation of color and thickness, to which real simulation sound encounters influence of the different barriers to sound ray in air borne;Sound ray
It can be propagated in the structure along obstacle object angle and obstacle object plane in communication process, the mistake that real simulation sound is propagated in the structure
Journey.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the ambient noise identifying system based on VR systems.
In figure:1, VR system base-stations, 2, desktop computer, 3, line-connecting machine, 4, VR system headset equipments, 5, VR system wireless
Control handle, 6, mobile source of background noise, 7, fixed background noise source, the 8, first sound ray, 8a, rising tone ray.
Specific implementation mode
The structure of the present invention is described further referring to the drawings.
Fig. 1 shows a kind of structure chart of the ambient noise identifying system based on VR systems.It is this to be based on VR systems in figure
Ambient noise identifying system include 2, two VR system base-stations 1 of desktop computer, VR systems headset equipment 4, VR system wireless
Control handle 5, mobile source of background noise 6 and fixed background noise source 7.VR system base-stations 1 are arranged in spatial noise corner, two
VR system base-stations 1 are at positive diagonal relationship.Desktop computer 2 is electrically connected by line-connecting machine 3 with VR systems headset equipment 4.VR systems
Wirelessly manipulation back of the body movement scape noise source 6 moves wireless control handle 5, emits the first sound ray 8 with any angle.VR system wireless
Wirelessly manipulation fixed background noise source 7 emits rising tone ray 8a at any angle to control handle 5.
The step of a kind of working method of the ambient noise identifying system based on VR systems uses is as follows:
(a)VR system base-stations 1 are arranged in spatial noise diagonal position, and desktop computer 2 is set by line-connecting machine 3 and VR system wear-types
Standby 4 are electrically connected and are controlled by VR system dotted lines control handle 5;
(b)The mobile movement of source of background noise 6 arrangement of the control of VR system wireless control handle 5 is at an arbitrary position;
(c)The mobile source of background noise 6 of the control of VR system wireless control handle 5 emits the first sound ray 8 at any angle;
(d)The first sound ray 8 is propagated in air at any angle for the mobile transmitting of source of background noise 6, and meeting is anti-after encountering barrier
Decaying is penetrated, attenuation process is embodied in the variation of the color and thickness of reflected sound ray;
(e)VR system wireless control handle 5 controls fixed background noise source 7 and emits rising tone ray 8a at any angle;
(f)Rising tone ray 8a can be along barrier table after encountering barrier at any angle for the transmitting of fixed background noise source 7
It propagates in face.
Noise is arranged in using the VR system base-stations of above-mentioned technical solution, the ambient noise identifying system based on VR systems
Space corner, desktop computer are electrically connected by line-connecting machine with VR system headset equipments, and VR system wireless control handles are wirelessly grasped
The mobile source of background noise of control, VR system wireless control handle wirelessly manipulate fixed background noise source.The system utilizes ripe VR
Technology is suitable for the spatial noise of arbitrary shape, adaptable, realizes that the acoustic propagation of moving sound and stationary sound source is simulated, mould
Phenomena such as propagating, emit and scattering in onomatopoeia communication process.The system being capable of two kinds in air and structure of simulated sound ray
Different circulation ways.
Claims (2)
1. a kind of ambient noise identifying system based on VR systems, it includes desktop computer(2), it is characterized in that:It further includes two
A VR system base-stations(1), VR system headset equipments(4), VR system wireless control handles(5), mobile source of background noise(6)With
Fixed background noise source(7), the VR system base-stations(1)It is arranged in spatial noise corner, two VR system base-stations(1)At face
Angular dependence;The desktop computer(2)Pass through line-connecting machine(3)With VR system headset equipments(4)Electrical connection;The VR system wireless
Control handle(5)The wireless mobile scape noise source of the manipulation back of the body(6)It is mobile, the first sound ray is emitted with any angle(8);The VR systems
It unites wireless control handle(5)Wireless manipulation fixed background noise source(7)Emit rising tone ray at any angle(8a).
2. the working method of the ambient noise identifying system according to claim 1 based on VR systems, it is characterized in that:It is described
The step of working method uses is as follows:
(a)VR system base-stations(1)It is arranged in spatial noise diagonal position, desktop computer(2)Pass through line-connecting machine(3)With VR system heads
Wear formula equipment(4)It is electrically connected and passes through VR system dotted line control handles(5)It is controlled;
(b)VR system wireless control handles(5)The mobile source of background noise of control(6)Mobile arrangement is at an arbitrary position;
(c)VR system wireless control handles(5)The mobile source of background noise of control(6)Emit the first sound ray at any angle(8);
(d)Mobile source of background noise(6)Emit the first sound ray at any angle(8)It propagates in air, after encountering barrier
Meeting reflection loss, attenuation process are embodied in the variation of the color and thickness of reflected sound ray;
(e)VR system wireless control handles(5)Control fixed background noise source(7)Emit rising tone ray at any angle
(8a);
(f)Fixed background noise source(7)Emit rising tone ray at any angle(8a)It can be along obstacle after encountering barrier
It propagates on object surface.
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Cited By (1)
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CN110968191A (en) * | 2018-09-28 | 2020-04-07 | 苹果公司 | Dynamic ambient lighting control for scenes involving head-mounted devices |
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