CN107124540A - Acquiring and processing method, apparatus and system - Google Patents
Acquiring and processing method, apparatus and system Download PDFInfo
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- CN107124540A CN107124540A CN201610103955.9A CN201610103955A CN107124540A CN 107124540 A CN107124540 A CN 107124540A CN 201610103955 A CN201610103955 A CN 201610103955A CN 107124540 A CN107124540 A CN 107124540A
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- microphone array
- sending
- annular microphone
- person
- sound
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
-
- 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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
- G01S5/22—Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
Abstract
The invention provides a kind of acquiring and processing method, apparatus and system, wherein, methods described includes：The current location information of the sound person of sending is determined by annular microphone array group；Relative position information of the sound person of sending relative to image collecting device is determined according to the current location information, wherein, the image collecting device is used for the image for gathering the sound person of sending；Acquisition angles of the described image harvester to the sound person of sending are adjusted according to the relative position information, solve in correlation technique, there is the problem of precision is not high in the technical scheme of positioning words person (i.e. the sound person of sending), and then improve the positioning precision of the location sound person of sending.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of acquiring and processing method, apparatus and system.
Background technology
Existing video frequency following system mainly has two classes：(1) high definition wide-angle camera is used, whole scene is shot.
This mode is limited in that if it is desired to the local detail of words person is presented, then needs to manually adjust camera, such processing
Mode is very cumbersome, and user experience is very low；(2) linear microphone array is combined with camera to position words person position
The technical scheme put, although camera can be rotated according to positioning result, but this mode position still have with
Lower problem：Microphone array only does positioning and used, and function is single, equivalent to adds additional hardware cost；Above two is determined
All there is the problem of positioning precision is not high in the method for position words person's mode.
For in correlation technique, the technical scheme of positioning words person has the problem of precision is not high, effective solve not yet is proposed
Scheme.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of acquiring and processing method, apparatus and system.
According to an aspect of the invention, there is provided a kind of acquiring and processing method, including：Pass through annular microphone array group
Determine the current location information of the sound person of sending；Determine the sound person of sending relative to figure according to the current location information
As the relative position information of harvester, wherein, the image collecting device is used for the image for gathering the sound person of sending；
Acquisition angles of the described image harvester to the sound person of sending are adjusted according to the relative position information.
Preferably, the quantity for the wake-up microphone array that the annular microphone array group includes includes：2,3,4
It is individual.
Preferably, when the annular microphone array group includes two annular microphone arrays, annular microphone array is passed through
Row group determines the current location information of the sound person of sending, including：
Determine the sound person's of sending by annular microphone array described in first in the annular microphone array group
First relative angle；
Determine the sound person's of sending by annular microphone array described in second in the annular microphone array group
Second relative angle；
The current location information is determined according to first relative angle and the second relative angle.
Preferably, methods described also includes：Described first is determined according to multiple miaow heads of the first annular microphone array
Relative angle；Second relative angle is determined according to multiple miaow heads of the described second annular microphone array.
Preferably, relative position of the sound person of sending relative to image collecting device is determined according to the current location information
Before confidence breath, methods described also includes：
Described image harvester is obtained relative to the of each annular microphone array in the annular microphone array group
In one positional information, and each described annular microphone array, the second confidence between annular microphone array two-by-two
Breath.
Preferably, methods described also includes：According to the current location information, the first position information and described
Two positional informations determine the relative position information.
According to another aspect of the present invention, a kind of acquisition processing device is additionally provided, including：First determining module, is used
In the current location information that the sound person of sending is determined by annular microphone array group；Second determining module, for according to institute
State current location information and determine relative position information of the sound person of sending relative to image collecting device, wherein, the figure
Image as harvester for gathering the sound person of sending；Adjusting module, for being adjusted according to the relative position information
Acquisition angles of the whole described image harvester to the sound person of sending.
Preferably, the quantity for the wake-up microphone array that annular microphone array group described in first determining module includes
Including：2,3,4.
Preferably, when the annular microphone array group includes two annular microphone arrays, first determining module,
Including：
First determining unit, for being determined by annular microphone array described in first in the annular microphone array group
The first relative angle of the sound person of sending；
Second determining unit, for being determined by annular microphone array described in second in the annular microphone array group
The second relative angle of the sound person of sending；
3rd determining unit, for determining the current location information according to first relative angle and the second relative angle.
Preferably, described device also includes：
Acquisition module, for obtaining described image harvester relative to each annular wheat in the annular microphone array group
The first position information of gram wind array, and in each described annular microphone array, two-by-two between annular microphone array
Second place information.
According to another aspect of the present invention, a kind of acquisition processing system is additionally provided, including：Image collecting device, sound
The sound person of sending, annular microphone array group, wherein, the annular microphone array group, for determining the sound person's of sending
Current location information, and determine the sound person of sending relative to image collecting device according to the current location information
Relative position information, wherein, the image collecting device is used for the image for gathering the sound person of sending；Described image is gathered
Device, for getting after the relative position information, described image harvester pair is adjusted according to the relative position information
The acquisition angles of the sound person of sending.
By means of the invention it is possible to determine the current location information of the sound person of sending by annular microphone array group；According to institute
State current location information and determine relative position information of the sound person of sending relative to image collecting device, wherein, the figure
Image as harvester for gathering the sound person of sending；Described image collection is adjusted according to the relative position information
Device is solved in correlation technique to the acquisition angles of the sound person of sending, positioning words person's (i.e. the sound person of sending)
There is the problem of precision is not high in technical scheme, and then improve the positioning precision of the location sound person of sending.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, the present invention
Schematic description and description be used for explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of the acquiring and processing method according to the embodiment of the present invention；
Fig. 2 is the annular microphone array schematic diagram according to the embodiment of the present invention；
Fig. 3 is according to the embodiment of the present invention is microphone array group schematic diagram；
Fig. 4 be according to the embodiment of the present invention be microphone array group another schematic diagram；
Fig. 5 is the microphone array position view according to the embodiment of the present invention；
Fig. 6 is the positioning schematic diagram of the sound person of sending according to the embodiment of the present invention；
Fig. 7 is the structured flowchart of the acquisition processing device according to the embodiment of the present invention；
Fig. 8 is the structured flowchart of the first determining module 70 of the acquisition processing device according to the embodiment of the present invention；
Fig. 9 is another structured flowchart of the acquisition processing device according to the embodiment of the present invention；
Figure 10 is the structured flowchart of the acquisition processing system according to the embodiment of the present invention.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the application can be mutually combined.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages can be by the explanations write
Specifically noted structure is realized and obtained in book, claims and accompanying drawing.
In order that those skilled in the art more fully understand the present invention program, below in conjunction with attached in the embodiment of the present invention
Figure, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
It is the embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, should all belong to guarantor of the present invention
The scope of shield.
In embodiments of the present invention, a kind of acquiring and processing method is additionally provided, Fig. 1 is the collection according to the embodiment of the present invention
The flow chart of processing method, as shown in figure 1, comprising the following steps：
Step S102, the current location information of the sound person of sending is determined by annular microphone array group；
Step S104, phase of the tut person of sending relative to image collecting device is determined according to above-mentioned current location information
To positional information, wherein, the image collecting device is used for the image for gathering the tut person of sending；
Step S106, adjusts above-mentioned image collecting device according to above-mentioned relative position information and the tut person of sending is adopted
Collect angle.
By each step provided in an embodiment of the present invention, it can determine the sound person's of sending by annular microphone array group
Current location information；Determine that the sound person of sending is relative relative to image collecting device according to the current location information
Positional information, wherein, the image collecting device is used for the image for gathering the sound person of sending；According to the relative position
Information adjusts described image harvester to the acquisition angles of the sound person of sending, solves in correlation technique, positioning words
There is the problem of precision is not high in the technical scheme of person (i.e. the sound person of sending), and then improve the positioning of the location sound person of sending
Precision.
The preferred following quantity 2 of quantity for the wake-up microphone array that alternatively, above-mentioned annular microphone array group includes,
3,4, following examples of the present invention are only by taking 2 and 3 as an example, for 4 and more than 4 technical schemes
The implementation solution similar due to using, the embodiment of the present invention will not be repeated here.
Preferably, when above-mentioned annular microphone array group includes two annular microphone arrays, annular microphone array is passed through
Row group determines that the current location information of the sound person of sending can be realized by following scheme：Pass through above-mentioned annular microphone array
The first above-mentioned annular microphone array in group determines the first relative angle of the tut person of sending；Pass through above-mentioned annular wheat
The second above-mentioned annular microphone array in gram wind array group determines the second relative angle of the tut person of sending；According to upper
State the first relative angle and the second relative angle determines above-mentioned current location information.
Specifically, the above method also includes：Above-mentioned first is determined according to multiple miaow heads of above-mentioned first annular microphone array
Relative angle；Above-mentioned second relative angle is determined according to multiple miaow heads of the above-mentioned second annular microphone array.
Preferably, relative position of the tut person of sending relative to image collecting device is determined according to above-mentioned current location information
Before confidence breath, the above method also includes：Above-mentioned image collecting device is obtained relative in above-mentioned annular microphone array group
In the first position information of each annular microphone array, and each above-mentioned annular microphone array, annular Mike two-by-two
Second place information between wind array.
In embodiments of the present invention, the above method also includes：According to above-mentioned current location information, above-mentioned first position information
And said second position information determines above-mentioned relative position information.
It should be noted that for foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement,
Because according to the present invention, some steps can be carried out sequentially or simultaneously using other.Secondly, those skilled in the art
It should know, embodiment described in this description belongs to preferred embodiment, and involved action and module might not
It is essential to the invention.
Above-mentioned technical proposal is described in detail below in conjunction with an example, but is not used in the protection for limiting the embodiment of the present invention
Scope.
Fig. 2 is the annular microphone array schematic diagram according to the embodiment of the present invention, as shown in Fig. 2 four Mikes in Fig. 2
Wind is distributed in a ring, and microphone is just faced outwardly, respectively at 0 °, 90 °, 180 ° and 270 °.Different microphones
Quantity, the annular microphone array of spacing distance can be used as the alternative of the embodiment of the present invention；Array number of the present invention
The annular microphone array group of 2, more than 2 can not be limited in the protection domain of this patent, reference can be made to Fig. 3 and
Fig. 4.
Fig. 5 is the microphone array position view according to the embodiment of the present invention, based on shown in Fig. 5：
Step 1: referring to Fig. 5,2 annular microphone arrays are fixed, optimum position is by the positioning of two microphone arrays
0 ° of algorithm is snapped on same straight line.The distance between two microphone arrays are according to actual conditions (meeting room, meeting
Table size) adjust accordingly；
Step 2: according to actual conditions by microphone array group and camera (equivalent to the image collector of above-described embodiment
Put) it is arranged into use environment, when camera is in same plane with microphone array group, practical function is best；
Fig. 6 is the positioning schematic diagram of the sound person of sending according to the embodiment of the present invention, the signal based on Fig. 6, concrete operations
Flow includes following process step：
Camera, microphone array and sound source shown in step A, Fig. 6 are projection of the homologue on ground, this step
Suddenly it is necessary data measurement, the partial data will enter into auditory localization algorithm, it is necessary to which the data measured include：
The distance between two arrays projection L3；
Camera project to array 1 projection apart from L1；
Camera project to array 2 projection apart from L2；
Camera projects the angle α that 0 ° of line is projected with microphone array 1；
Step B, the positioning result β according to microphone array 1, the sprocket bit result γ of microphone array 2 and step
The real data measured in A, can calculating sound source position by the sinusoidal, cosine law, (camera arrives sound source
The angle ε of sound source is arrived apart from L5,0 ° of camera)；
Microphone array sound localization method：
1) according to annular miaow head quantity, the collecting energy of each miaow head is calculated；
2) the normal voice stage is selected by VAD, the energy for carrying out each miaow head judges；
3) the maximum miaow head of energy is selected, then the two miaow heads in joint left and right, three miaow heads constitute microphone
Array, the circumferential angle formed as primary election sound bearing；
4) according to MVDR, (Minimum Variance Distortionless Response, i.e. minimum variance signal is undistorted
Response method, this method can obtain higher azimuth resolution and noise jamming rejection) method carries out wave beam shape to submatrix
Into finding out the beam positional of sound source；
5) counted by multiframe, find out stable sound bearing, and β and γ in the present embodiment.
Sound source exact position computational methods：
Projected by projecting sound sources, microphone array 1, microphone array 2 projects constituted triangle, passes through sine
Theorem, can calculate L4；
The Atria edge lengths of known L1, L2, L3 composition, angle of departure δ can be calculated by the cosine law；
Projected based on camera, microphone array 1 is projected, microphone array 2 projects constituted triangle, by remaining
String theorem, can calculate L5；
By sine, angle of departure ε can be calculated；
The relative angle ε of step C, the final calculation result according to step B, camera and sound source, camera is rotated
To specified location.
A kind of acquisition processing device is additionally provided in the present embodiment, for realizing above-described embodiment and preferred embodiment,
Repeating no more for explanation had been carried out, the module being related in the device had been illustrated below.As used below,
Term " module " can realize the combination of the software and/or hardware of predetermined function.Although the dress described by following examples
Put and preferably realized with software, but hardware, or the realization of the combination of software and hardware is also that may and be contemplated.
Fig. 7 is the structured flowchart of the acquisition processing device according to the embodiment of the present invention.As shown in fig. 7, the device includes：
First determining module 70, the current location information for determining the sound person of sending by annular microphone array group；
Second determining module 72, for determining the tut person of sending relative to IMAQ according to above-mentioned current location information
The relative position information of device, wherein, the image collecting device is used for the image for gathering the tut person of sending；
Adjusting module 74, for adjusting above-mentioned image collecting device to the tut person of sending according to above-mentioned relative position information
Acquisition angles.
By the comprehensive function of above-mentioned modules, it can determine that the sound person's of sending is current by annular microphone array group
Positional information；Relative position of the sound person of sending relative to image collecting device is determined according to the current location information
Information, wherein, the image collecting device is used for the image for gathering the sound person of sending；According to the relative position information
Described image harvester is adjusted to the acquisition angles of the sound person of sending, is solved in correlation technique, positioning words person is (i.e.
The sound person of sending) technical scheme there is the problem of precision is not high, and then improve the positioning precision of the location sound person of sending.
The quantity for the wake-up microphone array that above-mentioned annular microphone array group includes includes in first determining module 70：2
It is individual, 3,4.
Fig. 8 is the structured flowchart of the first determining module 70 of the acquisition processing device according to the embodiment of the present invention, such as Fig. 8
It is shown, when above-mentioned annular microphone array group includes two annular microphone arrays, the first determining module 70, including：
First determining unit 700, for passing through the first above-mentioned annular microphone array in above-mentioned annular microphone array group
Determine the first relative angle of the tut person of sending；
Second determining unit 702, for passing through the second above-mentioned annular microphone array in above-mentioned annular microphone array group
Determine the second relative angle of the tut person of sending；
3rd determining unit 704, for determining above-mentioned current location according to above-mentioned first relative angle and the second relative angle
Information.
In embodiments of the present invention, Fig. 9 is another structured flowchart of the acquisition processing device according to the embodiment of the present invention, such as
Shown in Fig. 9, said apparatus also includes：
Acquisition module 76, for obtaining above-mentioned image collecting device relative to the annular of each in above-mentioned annular microphone array group
In the first position information of microphone array, and each above-mentioned annular microphone array, two-by-two annular microphone array it
Between second place information.
According to another aspect of the present invention, a kind of acquisition processing system is additionally provided, Figure 10 is according to present invention implementation
The structured flowchart of the acquisition processing system of example, as shown in Figure 10, including：Image collecting device 100, the sound person of sending
102, annular microphone array group 104.
Wherein, annular microphone array group 104, the current location information for determining the sound person of sending, and according to upper
State current location information and determine relative position information of the tut person of sending relative to image collecting device 100, wherein,
Image collecting device 100 is used for the image for gathering the tut person of sending；Image collecting device 100, for getting
State after relative position information, adjust above-mentioned image collecting device according to the relative position information adopts to the tut person of sending
Collect angle.
In order to be better understood from the execution method of aforesaid operations event, it is described in detail below in conjunction with preferred embodiment.
Traceable teller's system of the preferred embodiment of the present invention includes following part：Annular microphone array group；Camera.
The auditory localization of preferred embodiment of the present invention design uses multiple annular microphone arrays, and two arrays are exhausted by location algorithm
Arranged in a straight line to 0 degree, annular microphone array group can flexibly be put with camera position：
The sound localization method of the preferred embodiment of the present invention, comprises the following steps：
Step 1, install hardware device, including microphone array put and camera device fixation；
Step 2, measure necessary data and be input to computing module, it is necessary to measurement data including but not limited to microphone array
The anglec of rotation between the distance between row, the distance of camera to microphone array, camera and each microphone array.
Step 3, the data measured according to step 2, the exact position of sound source is calculated by location algorithm；
Step 4, according to positioning result rotating camera to sound bearing.
The precision of auditory localization is improved using the technical scheme of the preferred embodiment of the present invention.Secondly as of the present invention
The microphone array of method can not only do auditory localization, go back reusable as sound collection equipment.Therefore, in reduction hardware
While cost also and greatly reduce scheme implementation difficulty.Video conference, security protection and various realities can be widely used in
When monitoring field.
In another embodiment, a kind of software is additionally provided, the software is used to perform above-described embodiment and be preferable to carry out
Technical scheme described in mode.
In another embodiment, a kind of storage medium is additionally provided, be stored with above-mentioned software in the storage medium, should
Storage medium includes but is not limited to：CD, floppy disk, hard disk, scratch pad memory etc..
It should be noted that term " first ", " second " in description and claims of this specification and above-mentioned accompanying drawing
Etc. being for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Object can exchange in the appropriate case, so that embodiments of the invention described herein can be with except illustrating herein
Or the order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, contain the process of series of steps or unit, method, system, product or
Equipment is not necessarily limited to those steps clearly listed or unit, but may include not list clearly or for these
The intrinsic other steps of process, method, product or equipment or unit.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realizes that they can be concentrated on single computing device, or is distributed in multiple computing devices and is constituted
Network on, alternatively, the program code that they can be can perform with computing device be realized, it is thus possible to by they
Storage is performed by computing device in the storage device, and in some cases, can be to be held different from order herein
They, are either fabricated to each integrated circuit modules or will be many in them by the shown or described step of row respectively
Individual module or step are fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware
Combined with software.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the technology of this area
For personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made is any
Modification, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (11)
1. a kind of acquiring and processing method, it is characterised in that including：
The current location information of the sound person of sending is determined by annular microphone array group；
Relative position of the sound person of sending relative to image collecting device is determined according to the current location information
Information, wherein, the image collecting device is used for the image for gathering the sound person of sending；
Acquisition angles of the described image harvester to the sound person of sending are adjusted according to the relative position information.
2. according to the method described in claim 1, it is characterised in that the annular Mike that the annular microphone array group includes
The quantity of wind array includes：2,3,4.
3. method according to claim 2, it is characterised in that include two annulars in the annular microphone array group
During microphone array, the current location information of the sound person of sending is determined by annular microphone array group, including：
Determine the sound person's of sending by the first annular microphone array in the annular microphone array group
First relative angle；
Determine the sound person's of sending by the second annular microphone array in the annular microphone array group
Second relative angle；
The current location information is determined according to first relative angle and the second relative angle.
4. method according to claim 3, it is characterised in that methods described also includes：
First relative angle is determined according to multiple miaow heads of the first annular microphone array；
Second relative angle is determined according to multiple miaow heads of the described second annular microphone array.
5. according to the method described in claim 1, it is characterised in that determine that the sound is sent out according to the current location information
Before the person of going out is relative to the relative position information of image collecting device, methods described also includes：
Described image harvester is obtained relative to each annular microphone array in the annular microphone array group
First position information, and in each described annular microphone array, the between annular microphone array two-by-two
Two positional informations.
6. method according to claim 5, it is characterised in that methods described also includes：According to the present bit confidence
Breath, the first position information and the second place information determine the relative position information.
7. a kind of acquisition processing device, it is characterised in that including：
First determining module, the current location information for determining the sound person of sending by annular microphone array group；
Second determining module, for determining that the sound person of sending adopts relative to image according to the current location information
The relative position information of acquisition means, wherein, the image collecting device is used for the image for gathering the sound person of sending；
Adjusting module, sends for adjusting described image harvester according to the relative position information to the sound
The acquisition angles of person.
8. device according to claim 7, it is characterised in that annular microphone array described in first determining module
The quantity for the annular microphone array that row group includes includes：2,3,4.
9. device according to claim 8, it is characterised in that include two annulars in the annular microphone array group
During microphone array, first determining module, including：
First determining unit, for passing through annular microphone array described in first in the annular microphone array group
Determine the first relative angle of the sound person of sending；
Second determining unit, for passing through annular microphone array described in second in the annular microphone array group
Determine the second relative angle of the sound person of sending；
3rd determining unit, for determining the current location according to first relative angle and the second relative angle
Information.
10. device according to claim 7, it is characterised in that described device also includes：
Acquisition module, for obtaining described image harvester relative to each ring in the annular microphone array group
In the first position information of shape microphone array, and each described annular microphone array, annular microphone two-by-two
Second place information between array.
11. a kind of acquisition processing system, it is characterised in that including：Image collecting device, the sound person of sending, annular microphone
Array group, wherein,
The annular microphone array group, the current location information for determining the sound person of sending, and according to described
Current location information determines relative position information of the sound person of sending relative to image collecting device, wherein, should
Image collecting device is used for the image for gathering the sound person of sending；
Described image harvester, for getting after the relative position information, is adjusted according to the relative position information
Acquisition angles of the whole described image harvester to the sound person of sending.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610103955.9A CN107124540A (en) | 2016-02-25 | 2016-02-25 | Acquiring and processing method, apparatus and system |
| PCT/CN2017/073176 WO2017143910A1 (en) | 2016-02-25 | 2017-02-09 | Acquisition processing method, device and system, and computer storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610103955.9A CN107124540A (en) | 2016-02-25 | 2016-02-25 | Acquiring and processing method, apparatus and system |
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| WO (1) | WO2017143910A1 (en) |
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| CN110300279A (en) * | 2019-06-26 | 2019-10-01 | 视联动力信息技术股份有限公司 | A kind of method for tracing and device of conference speech people |
| CN111526295A (en) * | 2020-04-30 | 2020-08-11 | 北京臻迪科技股份有限公司 | Audio and video processing system, acquisition method, device, equipment and storage medium |
| CN111935411A (en) * | 2020-09-25 | 2020-11-13 | 杭州涂鸦信息技术有限公司 | Monitoring system and monitoring method based on sound positioning |
| WO2024041341A1 (en) * | 2022-08-26 | 2024-02-29 | 华为技术有限公司 | Method for sending sound signal, method for receiving sound signal, and method for detecting relative position of devices |
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