CN106707227A - Sound source positioning and analysis device based on spherical microphone array - Google Patents
Sound source positioning and analysis device based on spherical microphone array Download PDFInfo
- Publication number
- CN106707227A CN106707227A CN201611144776.6A CN201611144776A CN106707227A CN 106707227 A CN106707227 A CN 106707227A CN 201611144776 A CN201611144776 A CN 201611144776A CN 106707227 A CN106707227 A CN 106707227A
- Authority
- CN
- China
- Prior art keywords
- module
- microphone array
- signal
- analysis
- data processing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves
- G01S1/76—Systems for determining direction or position line
Abstract
The invention comprises a sound source positioning and analysis device based on a spherical microphone array. The sound source positioning and analysis device comprises a signal sensor module, a data acquisition and analysis module and a data processing module, wherein the signal sensor module is coupled with the data acquisition and analysis module, and is used for acquiring a sound signal and an image signal; the data acquisition and analysis module is coupled with the signal sensor module and the data processing module, and is used for collecting and analyzing the sound signal and the image single acquired by the signal sensor module; and the data processing module is used for performing data processing on the collected acquisition data. The sound source positioning and analysis device is suitable for transient-state and steady-state application, can realize three-dimensional internal noise source recognition, masters the main noise source attributes, understands the origin of a noise source, facilitates the generation of acoustic animation and various spectrum display, and can generate results convenient for use quickly and reliably.
Description
Technical field
The present invention relates to auditory localization analysis, more particularly to a kind of auditory localization analysis dress based on spherical microphone array
Put.
Background technology
Currently, room noise turns into a more and more important focus, realizes internal noise identifing source, comfortable to improve
Degree and security.Comfort level prevailing relationship to passenger ride experience degree, passenger wish in a vehicle with other people talk, beat
Phone etc., it is desirable that as far as possible low noise, it is undesirable to hear ear-piercing noise.Security is embodied in the interaction of instruction, such as
Exchange between pilot, engineering truck operator are it will be clear that hear instruction of colleague etc..Therefore, production firm needs to find to make an uproar
Sound produces the solution of root, so that improving design realizes noise reduction.
Traditional method is to utilize sound intensity probe, measures sound intensity change in real time by mobile probe or in equipment under test table
Place an illusion grid and carry out sound intensity imaging drawing to be positioned in face.This method is simple, but wastes time and energy, and general next
Say and be only applicable to stationary sound source.But due in complicated internal acoustic field environment, noise source may be from all directions and
There is sound wave reflection, sound source is simultaneously unstable, and planar array microphone array and linear array microphone array cannot be tackled again
Miscellaneous internal acoustic field environment.
The content of the invention
For above-mentioned present situation, the present invention proposes a kind of auditory localization analytical equipment based on spherical microphone array.
The present invention solves technical problem and adopts the following technical scheme that：A kind of auditory localization based on spherical microphone array point
Analysis apparatus, the sound positioning analysis device includes signal transducer module, data collection and analysis module and data processing module,
Wherein：The signal transducer module, and data collection and analysis module couples, for by the signal transducer module
Obtain voice signal and picture signal；At the data collection and analysis module, with the signal transducer module and the data
Reason module couples, for collecting the voice signal of the sensing module acquisition and carrying out signal amplification, ADC is gathered and signal
Storage, and the data after analysis are sent to the data processing module；The data processing module, with the data acquisition
Analysis module is coupled, and the treatment such as acoustics imaging treatment, image stitching is carried out, for being carried out at data to the gathered data for receiving
Reason.
Optionally, the signal transducer module includes 64 mems microphones and 11 cameras, is respectively used to obtain
Voice signal and picture signal.
Optionally, the data collection and analysis module includes 2 OROS 3X series of signals collection analysis equipment.
Optionally, the data processing includes：Acoustics imaging algorithm parameter is entered by real time algorithm and post-processing algorithm
Row setting, completes the treatment to voice signal, and picture signal is processed, and generates two-dimensional static background image, output sound
As the noise source cloud atlas or animation of matching.
Optionally, 1 camera is located at two latitude circles in the arctic, in addition 10 cameras in 11 cameras.
Optionally, a diameter of 30cm of spherical microphone array.
Optionally, using Functional beamforming, the post-processing algorithm is used the real time algorithm
NNLS in deconvolution method.
The present invention has the advantages that：
Auditory localization analytical equipment of the present invention based on spherical microphone array is applied to transient state and stable state application, is capable of achieving
Three-dimensional internal Noise Sources Identification, grasp Main Noise Sources attribute, understand noise source produce root (noise source position, frequency spectrum into
Point, the contribution of relative acoustical power), convenient generation acoustics animation and various frequency spectrums show, can quickly, reliably generate and be easy to
The result for using, and Whole frequency band is not less than the dynamic range of 30dB.
Brief description of the drawings
Fig. 1 is the auditory localization analytical equipment schematic diagram based on spherical microphone array of the invention；
Fig. 2 is the front view schematic diagram of the auditory localization analytical equipment based on spherical microphone array of the invention；
Fig. 3 is the top view schematic diagram of the auditory localization analytical equipment based on spherical microphone array of the invention.
Specific embodiment
Technical scheme is further elaborated with reference to embodiment and accompanying drawing.
Some vocabulary have such as been used to censure specific components in the middle of specification and claim.Those skilled in the art should
It is understood that hardware manufacturer may call same component with different nouns.This specification and claims are not with name
The difference of title is used as distinguishing the mode of component, but the difference with component functionally is used as the criterion distinguished.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer to that in receivable error range, those skilled in the art can solve described in the range of certain error
Technical problem, basically reaches the technique effect.Additionally, " coupling " one word herein comprising it is any directly and indirectly electric property coupling
Means.Therefore, if a first device is coupled to a second device described in text, representing the first device can direct electrical coupling
The second device is connected to, or the second device is electrically coupled to indirectly by other devices or coupling means.Specification
Subsequent descriptions be implement the application better embodiment, so it is described description be for the purpose of the rule for illustrating the application,
It is not limited to scope of the present application.The protection domain of the application ought be defined depending on the appended claims person of defining.
Embodiment 1
Present embodiments provide a kind of auditory localization analytical equipment based on spherical microphone array.
Shown in Figure 1 is the schematic diagram of the auditory localization analytical equipment based on spherical microphone array, in the present embodiment
Auditory localization analytical equipment includes signal transducer module 101, data collection and analysis module 102 and data processing module 103, its
In：
Signal transducer module 101, couples with data collection and analysis module 102, for by signal transducer module 101
Obtain voice signal and picture signal；
Data collection and analysis module 102, couples, with signal transducer module 101 and data processing module 103 for collecting
The voice signal that sensing module is obtained carries out signal amplification, ADC collections and signal storage, and the data after analysis are sent to
Data processing module 103；
Data processing module 103, couples with data collection and analysis module 102, carries out acoustics imaging treatment, image stitching etc.
Treatment, for carrying out data processing to the gathered data for receiving, generates available file.
Wherein, above-mentioned signal transducer module 101 includes 11 cameras and 64 MEMS (Micro-
Electro-Mechanical System, abbreviation MEMS) microphone, it is respectively used to obtain voice signal and picture signal.11
1 camera is located at two latitude circles in the arctic, in addition 10 cameras in camera.Due to spherical microphone array this body structure
Symmetry, at present it be widely used in three dimensions Wave beam forming, auditory localization, high spatial resolution sound field record, sound
The every field such as field reproduction and the analysis of sound field spatial character, spherical microphone array diameter can be 30cm in the present invention, herein only
It is to illustrate, but not limited to this.
Wherein, data collection and analysis module 102 includes 2 OROS 3X series of signals collection analysis equipment.
Wherein, data processing includes：Acoustics imaging algorithm parameter is set by real time algorithm and post-processing algorithm,
The treatment to voice signal is completed, and picture signal is processed, generate two-dimensional static background image, output acoustic image matching
Noise source cloud atlas or animation.Real time algorithm uses Functional beamforming, and post-processing algorithm is used
NNLS in deconvolution method.
Auditory localization analytical equipment of the present invention based on spherical microphone array is applied to transient state and stable state application, is capable of achieving
Three-dimensional internal Noise Sources Identification, grasp Main Noise Sources attribute, understand noise source produce root (noise source position, frequency spectrum into
Point, the contribution of relative acoustical power), convenient generation acoustics animation and various frequency spectrums show, can quickly, reliably generate and be easy to
The result for using, and Whole frequency band is not less than the dynamic range of 30dB.
To make present invention description apparent, spy provides the master of the auditory localization analytical equipment based on spherical microphone array
View and top view, respectively as shown in Figures 2 and 3.
The sequencing of above example only for ease of description, the quality of embodiment is not represented.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (7)
1. a kind of auditory localization analytical equipment based on spherical microphone array, it is characterised in that the sound positioning analysis dress
Put including signal transducer module, data collection and analysis module and data processing module, wherein：
The signal transducer module, and data collection and analysis module couples, for by the signal transducer module
Obtain voice signal；
The data collection and analysis module, couples, with the signal transducer module and the data processing module for collecting
The voice signal of the sensing module acquisition simultaneously carries out signal amplification, and ADC collections and signal are stored, and by after analysis
Data are sent to the data processing module；
The data processing module, with the data collection and analysis module couples, carries out acoustics imaging treatment, image stitching etc.
Reason, for carrying out data processing to the gathered data for receiving.
2. the auditory localization analytical equipment based on spherical microphone array according to claim 1, it is characterised in that described
Signal transducer module includes 64 mems microphones and 11 cameras, is respectively used to obtain voice signal and picture signal.
3. the auditory localization analytical equipment based on spherical microphone array according to claim 1, it is characterised in that described
Data collection and analysis module includes 2 OROS 3X series of signals collection analysis equipment.
4. the auditory localization analytical equipment based on spherical microphone array according to claim 1, it is characterised in that described
Data processing includes：Acoustics imaging algorithm parameter is set by real time algorithm and post-processing algorithm, completes to believe sound
Number treatment, and picture signal is processed, generate two-dimensional static background image, the noise source cloud atlas of output acoustic image matching or
Animation.
5. the auditory localization analytical equipment based on spherical microphone array according to claim 2, it is characterised in that described
1 camera is located at two latitude circles in the arctic, in addition 10 cameras in 11 cameras.
6. the auditory localization analytical equipment based on spherical microphone array according to claim 2, it is characterised in that ball wheat
Gram a diameter of 30cm of wind array.
7. the auditory localization analytical equipment based on spherical microphone array according to claim 4, it is characterised in that described
Real time algorithm uses Functional beamforming, and the post-processing algorithm is using in deconvolution method
NNLS。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611144776.6A CN106707227A (en) | 2016-12-12 | 2016-12-12 | Sound source positioning and analysis device based on spherical microphone array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611144776.6A CN106707227A (en) | 2016-12-12 | 2016-12-12 | Sound source positioning and analysis device based on spherical microphone array |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106707227A true CN106707227A (en) | 2017-05-24 |
Family
ID=58935745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611144776.6A Pending CN106707227A (en) | 2016-12-12 | 2016-12-12 | Sound source positioning and analysis device based on spherical microphone array |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106707227A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107437063A (en) * | 2017-07-04 | 2017-12-05 | 上海小蚁科技有限公司 | For sensing apparatus and method, the non-transitory computer-readable medium of environment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101038505A (en) * | 2007-04-20 | 2007-09-19 | 哈尔滨工程大学 | Computer acoustic keyboard and input method thereof |
| CN102866385A (en) * | 2012-09-10 | 2013-01-09 | 上海大学 | Multi-sound-source locating method based on spherical microphone array |
| CN202799044U (en) * | 2012-09-20 | 2013-03-13 | 辽宁工业大学 | Spherical microphone array voice acquiring device |
| DE102012204608A1 (en) * | 2011-12-09 | 2013-06-13 | Hyundai Motor Company | TECHNOLOGY FOR LOCALIZING A SOUND SOURCE |
| CN203012127U (en) * | 2013-01-24 | 2013-06-19 | 郑州大学 | Sound localization device |
-
2016
- 2016-12-12 CN CN201611144776.6A patent/CN106707227A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101038505A (en) * | 2007-04-20 | 2007-09-19 | 哈尔滨工程大学 | Computer acoustic keyboard and input method thereof |
| DE102012204608A1 (en) * | 2011-12-09 | 2013-06-13 | Hyundai Motor Company | TECHNOLOGY FOR LOCALIZING A SOUND SOURCE |
| CN103167373A (en) * | 2011-12-09 | 2013-06-19 | 现代自动车株式会社 | Technique for localizing sound source |
| CN102866385A (en) * | 2012-09-10 | 2013-01-09 | 上海大学 | Multi-sound-source locating method based on spherical microphone array |
| CN202799044U (en) * | 2012-09-20 | 2013-03-13 | 辽宁工业大学 | Spherical microphone array voice acquiring device |
| CN203012127U (en) * | 2013-01-24 | 2013-06-19 | 郑州大学 | Sound localization device |
Non-Patent Citations (1)
| Title |
|---|
| GQ创意工作室: "《时代由此划分》", 31 December 2015 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107437063A (en) * | 2017-07-04 | 2017-12-05 | 上海小蚁科技有限公司 | For sensing apparatus and method, the non-transitory computer-readable medium of environment |
| US10750276B2 (en) | 2017-07-04 | 2020-08-18 | Shanghai Xiaoyi Technology Co., Ltd. | Apparatus and method for sensing an environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110491403B (en) | Audio signal processing method, device, medium and audio interaction equipment | |
| Shaw | Acoustical features of the human external ear | |
| EP1599708B1 (en) | Method and device for imaged representation of acoustic objects | |
| US7720229B2 (en) | Method for measurement of head related transfer functions | |
| CN206349145U (en) | Audio signal processing apparatus | |
| CN106782584A (en) | Audio signal processing apparatus, method and electronic equipment | |
| KR20060059866A (en) | Audio image control device design tool and audio image control device | |
| CN110109058A (en) | A kind of planar array deconvolution identification of sound source method | |
| Debertolis et al. | The Research for an Archaeoacoustics Standard | |
| Pörschmann et al. | A method for spatial upsampling of voice directivity by directional equalization | |
| US20200267472A1 (en) | Portable microphone array apparatus and system and processing method | |
| Struck et al. | Simulated free field measurements | |
| Krishnan et al. | Image recognition for visually impaired people by sound | |
| Healy et al. | A talker-independent deep learning algorithm to increase intelligibility for hearing-impaired listeners in reverberant competing talker conditions | |
| Gao et al. | Sparse dnn model for frequency expanding of higher order ambisonics encoding process | |
| CN113849767B (en) | Personalized HRTF (head related transfer function) generation method and system based on physiological parameters and artificial head data | |
| CN106707227A (en) | Sound source positioning and analysis device based on spherical microphone array | |
| Bai et al. | Localization and separation of acoustic sources by using a 2.5-dimensional circular microphone array | |
| CN108680902A (en) | A kind of sonic location system based on multi-microphone array | |
| Kishline et al. | A multimedia speech corpus for audio visual research in virtual reality (L) | |
| Pörschmann et al. | Obtaining dense HRTF sets from sparse measurements in reverberant environments | |
| Hoffmann et al. | Theoretical study of acoustic circular arrays with tangential pressure gradient sensors | |
| US20220279304A1 (en) | Method and system for head-related transfer function adaptation | |
| Maazaoui et al. | Estimation of individualized HRTF in unsupervised conditions | |
| Reddy et al. | Design and development of bionic ears for rendering binaural audio |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |