CN204539315U - A kind of video conference machine of auditory localization - Google Patents
A kind of video conference machine of auditory localization Download PDFInfo
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- CN204539315U CN204539315U CN201520195851.6U CN201520195851U CN204539315U CN 204539315 U CN204539315 U CN 204539315U CN 201520195851 U CN201520195851 U CN 201520195851U CN 204539315 U CN204539315 U CN 204539315U
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Abstract
The utility model discloses a kind of video conference machine of auditory localization.This video conference machine, comprises spherical camera, and also comprise multiple microphone for gathering voice data, described microphone is installed on the base of described spherical camera; Also comprise the dsp chip in the orientation for obtaining sound source according to voice data, the input of described dsp chip is connected with the output of described microphone, the output of described dsp chip is connected with the drive unit of the binary The Cloud Terrace of described spherical camera, controls described drive unit and drives the camera lens of spherical camera towards sound source.Video conference machine arranges multiple microphone and dsp chip at spherical camera, from the voice data that multiple microphone gathers, the orientation of sound source is obtained by dsp chip, drive the camera lens of spherical camera towards sound source by drive unit again, can at multi-person conference, particularly network multi-person conference focuses on sound source place, provides good conference service.
Description
Technical field
The utility model relates to video according to field, particularly relates to a kind of video conference machine of auditory localization.
Background technology
Of today daily live in be no matter that school, public place, roadside, market, community's camera are almost ubiquitous, monitoring camera is the personal safety as well as the property safety of the protection public, maintains public order, and promotes that traffic safety serves indispensable effect.But notice that observing us can find that these cameras maintain static mostly, even if minority camera be can automatic rotation but within a certain unit interval, it is still aim at a certain orientation, as long as the rotation period that unique people gets hold of him just can escape the shooting of camera completely.That is traditional camera monitoring orientation is static, can only monitor between limited azimuthal bin.Narrow between such supervisory control system monitoring azimuthal bin, unavoidable exist very large monitoring blind area, cannot must realize monitoring very well.
Particularly along with the fast development of economy, supervisory control system is not only confined to public safety field, also starts to use in large area in economic executive education field.Such as large-scale economy holds plenary session, the even nationwide system of IMS conference in region, sharing of large-scale open class and high-quality teaching resource; These occasions similar are not many times the leading roles of a personal accomplishment meeting, need to follow the tracks of the speech of multiple meeting participant, if the content of shooting of manual adjustments camera, operate inconvenience and accurate not.
Utility model content
The utility model provides a kind of video conference machine of auditory localization, this video conference machine arranges multiple microphone and dsp chip at spherical camera, from the voice data that multiple microphone gathers, the orientation of sound source is obtained by dsp chip, drive the camera lens of spherical camera towards sound source by drive unit again, can at multi-person conference, particularly network multi-person conference focuses on sound source place, provides good conference service.
For reaching this object, the utility model by the following technical solutions:
A video conference machine for auditory localization, comprises spherical camera, and also comprise multiple microphone for gathering voice data, described microphone is installed on the base of described spherical camera; Also comprise the dsp chip in the orientation for obtaining sound source according to voice data, the input of described dsp chip is connected with the output of described microphone, the output of described dsp chip is connected with the drive unit of the binary The Cloud Terrace of described spherical camera, controls described drive unit and drives the camera lens of spherical camera towards sound source.
Wherein, the output of described microphone is connected with described dsp chip by amplifying circuit, AD data acquisition unit.
Wherein, the number of described microphone is greater than 2.
Wherein, described multiple microphone is uniformly distributed.
Wherein, the number of described microphone is 2.
Wherein, the drive unit of described binary The Cloud Terrace is two servomotors.
Wherein, described AD data acquisition unit is TLV320AIC23 chip.
Wherein, described dsp chip is DM642 chip.
Wherein, described dsp chip is also connected with described camera and for the memory device of the video data storing described camera collection respectively.
Wherein, described dsp chip is also connected with the display device of the video data for playing described camera collection in real time.
The beneficial effects of the utility model are: video conference machine arranges multiple microphone and dsp chip at spherical camera, from the voice data that multiple microphone gathers, the orientation of sound source is obtained by dsp chip, drive the camera lens of spherical camera towards sound source by drive unit again, can at multi-person conference, particularly network multi-person conference focuses on sound source place, provides good conference service.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, be briefly described to the accompanying drawing used required in the description of the utility model embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the content of the utility model embodiment and these accompanying drawings.
Fig. 1 is the structure chart of the video conference machine of a kind of auditory localization provided in the utility model embodiment.
Wherein: 10-base; 20-The Cloud Terrace; 30-camera lens; 40-microphone.
Embodiment
The technical problem solved for making the utility model, the technical scheme of employing and the technique effect that reaches are clearly, be described in further detail below in conjunction with the technical scheme of accompanying drawing to the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those skilled in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1, it is the structure chart of the video conference machine of a kind of auditory localization provided in the utility model embodiment.Video conference machine in the utility model is mainly used in the occasions such as the more business meetings of participation number, Executive Council and education activities, under being particularly provided with the occasion in multiple meeting-place or classroom, for comprehensive conference participation in each meeting-place is provided convenience, time participant especially wherein makes a speech.As shown in the figure, the video conference machine of this auditory localization, comprises spherical camera, and also comprise multiple microphone 40 for gathering voice data, described microphone 40 is installed on the base 10 of described spherical camera; Also comprise the dsp chip in the orientation for obtaining sound source according to voice data, the input of described dsp chip is connected with the output of described microphone 40, the output of described dsp chip is connected with the drive unit of the binary The Cloud Terrace 20 of described spherical camera, controls described drive unit and drives the camera lens 30 of spherical camera towards sound source.
After microphone 40 collects voice data, dsp chip processes to voice data the azimuth that obtains sound source and produces control signal thus and is sent to drive unit, drive the camera lens 30 on The Cloud Terrace 20 to turn to by drive unit, point to the video image near sound source collection sound source.
In sum, video conference machine arranges multiple microphone 40 and dsp chip at spherical camera, from the voice data that multiple microphone 40 gathers, the orientation of sound source is obtained by dsp chip, drive the camera lens 30 of spherical camera towards sound source by drive unit again, can at multi-person conference, particularly network multi-person conference focuses on sound source place, provides good conference service.
Preferably, the output of described microphone 40 is connected with described dsp chip by amplifying circuit, AD data acquisition unit.
The analog signal that microphone 40 gathers is converted into digital signal through AD data acquisition harvester after amplifying and analyzes for dsp chip, in order to improve the accuracy of result further, also can be microphone 40 and add phase-locked loop, make the clock synchronous of audio collection.
Preferably, the number of described microphone 40 is greater than 2.
For making result accurate as far as possible, the sample number of the voice data of collection is preferably no less than 3, such as 4,6.
Further, described multiple microphone 40 is uniformly distributed.
Air line distance between adjacent two microphones 40 is equal can allow the calculating of angle more easy.Concrete calculating is existing in the prior art to be realized, and is not described further at this.
Preferably, the number of described microphone 40 is 2.
2 microphones 40 are the minimum requirements realizing azimuthal calculating, as shown in fig. 1, setting be 2 microphones 40.
Preferably, the drive unit of described binary The Cloud Terrace 20 is two servomotors.
Preferably, described AD data acquisition unit is TLV320AIC23 chip.
Preferably, described dsp chip is DM642 chip.
The chip that dsp chip is processed signal briefly exactly, DM642 chip is a kind of preferred mode in this programme, and the chip of other models can be selected to realize, and AD data acquisition unit also can select the chip of other models.
Preferably, described dsp chip is also connected with described camera and for the memory device of the video data storing described camera collection respectively.
Memory device can preserve meeting or lecture-giving record, provides convenience for consulting later.
Preferably, described dsp chip is also connected with the display device of the video data for playing described camera collection in real time.
In conference process, can by video data directly to display device, TV or the display of such as projecting apparatus, large-screen directly transmit display.
Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection range by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, and these modes all will fall within protection range of the present utility model.
Claims (10)
1. the video conference machine of an auditory localization, comprise spherical camera, it is characterized in that, also comprise multiple microphone (40) for gathering voice data, described microphone (40) is installed on the base (10) of described spherical camera; Also comprise the dsp chip in the orientation for obtaining sound source according to voice data, the input of described dsp chip is connected with the output of described microphone (40), the output of described dsp chip is connected with the drive unit of the binary The Cloud Terrace (20) of described spherical camera, controls described drive unit and drives the camera lens (30) of spherical camera towards sound source.
2. the video conference machine of a kind of auditory localization according to claim 1, is characterized in that, the output of described microphone (40) is connected with described dsp chip by amplifying circuit, AD data acquisition unit.
3. the video conference machine of a kind of auditory localization according to claim 1, is characterized in that, the number of described microphone (40) is greater than 2.
4. the video conference machine of a kind of auditory localization according to claim 3, is characterized in that, described multiple microphone (40) is uniformly distributed.
5. the video conference machine of a kind of auditory localization according to claim 1, is characterized in that, the number of described microphone (40) is 2.
6. the video conference machine of a kind of auditory localization according to claim 1, is characterized in that, the drive unit of described binary The Cloud Terrace (20) is two servomotors.
7. the video conference machine of a kind of auditory localization according to claim 2, is characterized in that, described AD data acquisition unit is TLV320AIC23 chip.
8. the video conference machine of a kind of auditory localization according to claim 1, is characterized in that, described dsp chip is DM642 chip.
9. the video conference machine of a kind of auditory localization according to claim 1, is characterized in that, described dsp chip is also connected with described camera and for the memory device of the video data storing described camera collection respectively.
10. the video conference machine of a kind of auditory localization according to claim 9, is characterized in that, described dsp chip is also connected with the display device of the video data for playing described camera collection in real time.
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| CN201520195851.6U CN204539315U (en) | 2015-04-02 | 2015-04-02 | A kind of video conference machine of auditory localization |
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| CN201520195851.6U CN204539315U (en) | 2015-04-02 | 2015-04-02 | A kind of video conference machine of auditory localization |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106851175A (en) * | 2017-01-24 | 2017-06-13 | 联想(北京)有限公司 | A kind of meeting machine |
| CN107580192A (en) * | 2017-09-15 | 2018-01-12 | 上海启诺信息科技有限公司 | Audio-video linkage control device and audio-video linked system |
| CN107820037A (en) * | 2016-09-14 | 2018-03-20 | 南京中兴新软件有限责任公司 | The methods, devices and systems of audio signal, image procossing |
| CN109151672A (en) * | 2018-09-19 | 2019-01-04 | 西安交通大学 | Audio source tracking system and its control method based on array microphone |
| CN109391774A (en) * | 2018-09-27 | 2019-02-26 | 华中师范大学 | A kind of dynamic resource acquisition platform and method suitable for teaching process |
| CN110351629A (en) * | 2019-07-16 | 2019-10-18 | 广州国音智能科技有限公司 | A kind of reception method, audio signal reception device and terminal |
-
2015
- 2015-04-02 CN CN201520195851.6U patent/CN204539315U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820037A (en) * | 2016-09-14 | 2018-03-20 | 南京中兴新软件有限责任公司 | The methods, devices and systems of audio signal, image procossing |
| CN107820037B (en) * | 2016-09-14 | 2021-03-26 | 中兴通讯股份有限公司 | Audio signal, image processing method, device and system |
| CN106851175A (en) * | 2017-01-24 | 2017-06-13 | 联想(北京)有限公司 | A kind of meeting machine |
| CN107580192A (en) * | 2017-09-15 | 2018-01-12 | 上海启诺信息科技有限公司 | Audio-video linkage control device and audio-video linked system |
| CN107580192B (en) * | 2017-09-15 | 2019-03-15 | 上海启诺信息科技有限公司 | Audio-video linkage control device and audio-video linked system |
| CN109151672A (en) * | 2018-09-19 | 2019-01-04 | 西安交通大学 | Audio source tracking system and its control method based on array microphone |
| CN109151672B (en) * | 2018-09-19 | 2022-08-05 | 西安交通大学 | Sound source tracking system based on array microphone and control method thereof |
| CN109391774A (en) * | 2018-09-27 | 2019-02-26 | 华中师范大学 | A kind of dynamic resource acquisition platform and method suitable for teaching process |
| CN110351629A (en) * | 2019-07-16 | 2019-10-18 | 广州国音智能科技有限公司 | A kind of reception method, audio signal reception device and terminal |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20160402 |