CN103442195B - Multimedia head-worn receiving device - Google Patents
Multimedia head-worn receiving device Download PDFInfo
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- CN103442195B CN103442195B CN201310377888.6A CN201310377888A CN103442195B CN 103442195 B CN103442195 B CN 103442195B CN 201310377888 A CN201310377888 A CN 201310377888A CN 103442195 B CN103442195 B CN 103442195B
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Abstract
The invention discloses a multimedia head-worn receiving device. The multimedia head-worn receiving device comprises a left earphone, a right earphone, a foldable head band, a displayer and an interior control panel. The left earphone and the right earphone are connected with the inner sides of the two ends of the head band respectively, and the displayer is connected with the outer side of the left end of the head band through a connecting rod capable of stretching out and drawing back in the axial direction. The interior control panel comprises a receiver, an audio decoder, a video decoder, an image processor, a storage device, a power amplifier and a master control chip, and the master control chip is used for controlling the receiver, the audio decoder, the video decoder, the image processor, the storage device, the displayer and the power amplifier. The multimedia head-worn receiving device is convenient to use, not only can help a user to make teaching audio and video clear, but also can lower noise in the audio and video environment, and further can store audio and video. The screen of the displayer of the head-worn receiving device can rotate manually and automatically; besides, the distance from the displayer to the human eyes can be adjusted, and thus the using comfort of the user is improved.
Description
Technical field
The present invention relates to a kind of tutor auxiliary platform apparatus, particularly relate to a kind of multimedia head-worn receiving system.
Background technology
At present, in prior art, tutoring system comprises large screen projector, its projected area is large, and large screen projector is generally applied in larger classroom, because space is comparatively large, be sitting in the word that classroom student is below difficult to see clearly on projection screen, it is larger to add noise ratio in environment of attending class, not only be sitting in the sound that classroom student does not below hear teachers, even the student that may be punished for being related to before classroom does not hear yet.In addition, when student does not hear or understands on classroom, the courseware of i.e. enable contrast teacher teaching after class, because have forgotten the explanation of teacher, or may cannot get a thorough understanding of, have a strong impact on study.
Summary of the invention
The technical problem to be solved in the present invention is, for above-mentioned defect of the prior art, provide a kind of easy to use, user can be helped to carry out clear teaching audiovisual, the noise that can reduce in audio visual environment, storing audio and video, indicator screen can rotate, display can be adjusted wear receiving system from the distance of human eye, the much higher media of comfort level.
The technical solution adopted for the present invention to solve the technical problems is: a kind of multimedia head-worn receiving system, comprises left receiver, right receiver, folding headband, display and internal control plate;
Left receiver is connected respectively with inside the two ends of headband with right receiver, and display is connected with outside headband left end by the connecting rod that can stretch vertically;
Internal control plate comprises:
Receiver, comprises video signal collective unit, audio signal sample unit, Noise Acquisition unit, video recording unit, audio recording unit and filter and to make an uproar unit; Video recording unit and audio recording unit are respectively used to record and export the vision signal and audio signal that are collected by video signal collective unit and audio signal sample unit; Filter makes an uproar unit for receiving, process the noise signal of Noise Acquisition unit collection and exporting;
Audio decoder, for decoding to audio signal and exporting, and for being added in audio signal by the noise signal after cell processing of being made an uproar by filter, obtaining superposition audio signal and exporting;
Video Decoder, for exporting decoding video signal;
Image processor, for processing vision signal and exporting;
Memory, for stored video signal, audio signal, noise signal and superposition audio signal;
Power amplifier, for received audio signal or superposition audio signal send to left receiver and right receiver; And
Main control chip, for controlling receiver, audio decoder, Video Decoder, image processor, memory, display and power amplifier;
Display is for showing described vision signal.
Improve as to the one of technical scheme of the present invention, be rotatedly connected outside connecting rod and headband left end.
Improve as to the one of technical scheme of the present invention, display and connecting rod are rotatedly connected.
Improve as to the one of technical scheme of the present invention, display is touch-screen.
Improve as to the one of technical scheme of the present invention, filter unit of making an uproar and comprise analog to digital conversion circuit and digital filter circuit; Analog to digital conversion circuit, connects Noise Acquisition unit, carries out analog-to-digital conversion, obtain digital noise signal and export for the noise signal collected Noise Acquisition unit; Digital filter circuit, connect analog to digital conversion circuit, the digital noise signal for exporting analog to digital conversion circuit carries out filtering process and anti-phase process, obtains anti-phase digital noise and exports.
Improve as to the one of technical scheme of the present invention, internal control plate also comprises D/A converting circuit; D/A converting circuit connects audio decoder, carries out digital-to-analogue conversion for the superposition audio signal exported audio decoder and exports.
Improve as to the one of technical scheme of the present invention, main control chip is also connected with a camera, and camera is used for carrying out recording and sending to image and processes rear storage in memory to main control chip.
Improve as to the one of technical scheme of the present invention, main control chip is connected with camera switch key.
In multimedia head-worn receiving system of the present invention, left receiver is connected respectively with inside the two ends of headband with right receiver, display is connected with outside headband left end by the connecting rod that can stretch vertically, such design makes by flexible connecting rod to adjust the distance of display from human eye, very easy to use, improve the comfortable wearing degree of described multimedia head-worn receiving system.In addition, described headband is collapsible, when not needing to use described multimedia head-worn receiving system, headband can be folded, and reduces the collection space needed for described multimedia reception device like this, carries more convenient.
In technical scheme of the present invention, be rotatedly connected outside connecting rod and headband left end, such design facilitates user to adjust the height and position of display, convenient for users to use.
In technical scheme of the present invention, display and connecting rod are rotatedly connected, and so just facilitate user's manual rotation indicator screen.In addition, technical scheme of the present invention also comprises screen rotation unit, and the operation of this screen rotation unit is subject to the control of main control chip; This screen unit comprises detection module, contrast module and rotates Executive Module, wherein, detection module for the positional information of the user's left eye and right eye that detect described multimedia head-worn receiving system, and determines according to the positional information of two the positive angle that user is current; Contrast module, the current positive angle of the user for being determined by described detection module and display active screen direction contrast, and judge that whether the direction of both is consistent; Through the contrast of above-mentioned contrast module with after judging, if the judged result current positive angle that is user and display active screen direction inconsistent, then display active screen rotates to consistent with the current positive angle of user, if the judged result current positive angle that is user and display active screen direction inconsistent, then display active screen does not perform spinning movement, so just, achieve the automatic rotation of indicator screen, convenient for users to use.
In technical scheme of the present invention, display is touch-screen, instead of mechanical push button panel, such design makes the present invention can produce more lively visual and sound effects by the liquid crystal display picture of touch-screen, what is more important, touch-screen simplifies man-machine interaction mode, makes user use described multimedia head-worn receiving system more convenient, further increases the comfort level of user.
Internal control plate of the present invention comprises receiver, audio decoder, Video Decoder, image processor, memory, power amplifier and main control chip.Wherein, in the receiver, the vision signal that video recording unit record is collected by video signal collective unit, and this vision signal is exported, store under the control of main control chip in memory; The audio signal that audio recording unit recorde audio signal collecting unit collects, and this audio signal is exported, and be stored in memory under the control of main control chip; This noise signal for gathering the noise signal in environment, and is exported to filter and to be made an uproar unit by Noise Acquisition unit; Filter unit of making an uproar and comprise analog to digital conversion circuit and digital filter circuit, wherein, analog to digital conversion circuit is after the noise signal receiving the transmission of Noise Acquisition unit, analog-to-digital conversion can be carried out to this noise signal, obtain digital noise signal and export to digital filter circuit, and digital filter circuit is after receiving digital noise signal, filtering process and anti-phase process can be carried out to this digital noise signal, obtain anti-phase digital noise and export.
When Noise Acquisition unit does not collect noise signal, audio decoder just can transfer audio signal under the control of main control chip from memory, and decodes to this audio signal and export, and is stored in memory under the control of main control chip.Collect the noise signal in environment when Noise Acquisition unit after, filtering process is carried out to this noise signal and anti-phase process obtains anti-phase digital noise through filter unit of making an uproar, and this anti-phase digital noise is stored in memory by main control chip, simultaneously, the audio signal of audio recording unit record also can be stored in memory by main control chip, now, audio decoder transfers anti-phase digital noise and audio signal by main control chip again from memory simultaneously, because be designed with adder unit in audio decoder, by this adder unit, anti-phase digital noise is added in audio signal, obtain superposition audio signal and export, again be stored in memory by main control chip.
Internal control plate is also provided with D/A converting circuit, this D/A converting circuit transfers superposition audio signal under the control of main control chip from memory, and digital-to-analogue conversion is carried out to this superposition audio signal, finally the simulation obtained superposition audio signal is sent to left receiver and right receiver by power amplifier, audio signal after noise reduction process that what now people's ear received be through, therefore in sum, multimedia head-worn receiving system of the present invention can reduce the noise in audio visual environment.
At video recording unit, the vision signal of record is stored into after in memory, Video Decoder transfers this decoding video signal by main control chip from memory, and is again stored in memory by main control chip by the vision signal obtained after decoding; Then image processor also can transfer the vision signal of decoding from memory, processes this decoded video signal, and by process after vision signal be again stored in memory, now, display can under the control of main control chip display video signal.Therefore as can be seen here, multimedia head-worn receiving system of the present invention can help user to carry out clear teaching audiovisual.
In technical scheme of the present invention, memory is for storing various audio signal and various vision signal, comprise vision signal and audio signal that video signal collective unit and audio signal sample unit collect, the vision signal that video recording unit and audio recording unit record and audio signal, the noise signal that Noise Acquisition unit gathers, through the digital noise signal that analog to digital conversion circuit process exports, through the anti-phase digital noise that digital filter circuit process exports, the decoded audio signal exported through audio decoder decode and superposition audio signal, the vision signal exported through video decoder decodes and the vision signal exported through image processor process, it can thus be appreciated that, the vision signal recorded by video recording unit and audio recording unit and audio signal all store in memory, therefore described multimedia head-worn receiving system energy storing audio and video, facilitate the Voice & Video that user's playback after class stores.In addition, technical scheme of the present invention is also provided with USB interface on a memory, facilitates user to copy to be stored into audio frequency, video or alternative document data in memory.
The vision signal recorded for preventing video recording unit in receiver can not use after class, technical scheme of the present invention is connected with a camera on main control chip, this camera is used for carrying out record to image, and is stored in memory by main control chip by the image of record.In order to simplify the operation of user to camera, technical scheme of the present invention is also separately provided with an independently camera switch key on main control chip, when needs reason camera recording image, press camera switch key, when making a video recording complete, also only need press camera switch key, operation is very easy.
In the technical scheme of the present invention, to be allly not specifically noted, all by adopting the conventional means in this area to realize the technical program.
Therefore, the invention provides a kind of multimedia head-worn receiving system, it is easy to use that this wears receiving system, user can not only be helped to carry out cleaning teaching audiovisual, the noise in audio visual environment can also be reduced, also can storing audio and video, and this indicator screen wearing receiving system can also carry out means and automatic rotation, in addition, the distance of display from human eye can also be adjusted, improve the comfort of user.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the surface structure schematic diagram of multimedia head-worn receiving system of the present invention;
Fig. 2 is the theory diagram of multimedia head-worn receiving system embodiment one of the present invention;
Fig. 3 is the theory diagram of receiver;
Fig. 4 is the theory diagram of multimedia head-worn receiving system embodiment two of the present invention;
In accompanying drawing, 1 is headband, and 2 is left receiver, and 3 is right receiver, and 4 is connecting rod, and 5 is display, and 6 is camera.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment one:
A kind of multimedia head-worn receiving system, comprises left receiver 2, right receiver 3, folding headband 1, the connecting rod 4 that can stretch vertically and internal control plate; Wherein, as shown in Figure 1, left receiver 2 is connected respectively with inside the two ends of headband 1 with right receiver 3, and be rotatedly connected outside connecting rod 4 one end and headband 1 left end, the other end is rotatably connected to display 5; Camera 6 is provided with outside headband 1 right-hand member.
As shown in Figure 2, internal control plate comprises receiver, audio decoder, Video Decoder, image processor, D/A converting circuit, camera switch key, memory, power amplifier and main control chip.
Wherein, as shown in Figure 3, receiver comprises video signal collective unit, audio signal sample unit, Noise Acquisition unit, video recording unit, audio recording unit and filter and to make an uproar unit, and filter unit of making an uproar comprises analog to digital conversion circuit and digital filter circuit.Video recording unit and audio recording unit are respectively used to record and export the vision signal and audio signal that are collected by video signal collective unit and audio signal sample unit, and this vision signal and audio signal are stored in memory by main control chip.Analog to digital conversion circuit connects Noise Acquisition unit, carries out analog-to-digital conversion, obtain digital noise signal and export for the noise signal collected Noise Acquisition unit; Digital filter circuit, connect analog to digital conversion circuit, the digital noise signal for exporting analog to digital conversion circuit carries out filtering process and anti-phase process, obtains anti-phase digital noise and exports, and this anti-phase digital noise is stored in memory by main control chip.
Audio decoder, for decoding to audio signal and exporting, and utilize adder unit to be wherein added in audio signal by the noise signal after cell processing of being made an uproar by filter, obtain superposition audio signal and export, and this superposition audio signal is stored in memory by main control chip.
Video Decoder, for decoding video signal, and is stored into the vision signal that decoding obtains in memory by main control chip.
Image processor, is stored in memory for processing the vision signal stored in memory and return.
D/A converting circuit connects audio decoder, carries out digital-to-analogue conversion, the signal obtained is sent to left receiver 2 and right receiver 3 by power amplifier for exporting audio decoder and storing superposition audio signal in memory.
Camera switch key is connected with main control chip.
Memory, for storing above-mentioned various vision signal, various audio signal, noise signal and anti-phase digital noise.
Main control chip, for controlling above-mentioned receiver, audio decoder, Video Decoder, image processor, memory, display 5, camera, camera switch key, D/A converting circuit and power amplifier; And display is used for display video signal.
In the present embodiment, display 5 is touch-screen.
Embodiment two:
In embodiment two, multimedia head-worn receiving system is basic identical with embodiment, and difference is, as shown in Figure 4, memory is provided with a USB interface, and is also connected with screen rotation unit on main control chip.
Above-mentioned screen rotation unit comprises detection module and the contrast module that is connected with detection module successively signal and rotate Executive Module.Wherein, detection module for detecting the positional information of user's left eye and right eye, and determines according to the positional information of two the positive angle that user is current; Contrast module, the current positive angle of the user for being determined by above-mentioned detection module and display active screen direction contrast, and judge that whether the direction of both is consistent; Through the contrast of above-mentioned contrast module with after judging, if the judged result current positive angle that is user and display active screen direction inconsistent, then display active screen rotates to consistent with the current positive angle of user, if the judged result current positive angle that is user and display active screen direction inconsistent, then display active screen does not perform spinning movement.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (7)
1. a multimedia head-worn receiving system, is characterized in that, comprises left receiver (2), right receiver (3), folding headband (1), display (5), internal control plate and screen rotation unit;
Described left receiver (2) is connected respectively with inside the two ends of headband (1) with right receiver (3), and described display (5) is connected with outside headband (1) left end by the connecting rod (4) that can stretch vertically;
Described internal control plate comprises:
Receiver, comprises video signal collective unit, audio signal sample unit, Noise Acquisition unit, video recording unit, audio recording unit and filter and to make an uproar unit; Described video recording unit and audio recording unit are respectively used to record and export the vision signal and audio signal that are collected by video signal collective unit and audio signal sample unit; Described filter unit of making an uproar comprises analog to digital conversion circuit and digital filter circuit, analog-digital conversion circuit as described connects described Noise Acquisition unit, noise signal for collecting described Noise Acquisition unit carries out analog-to-digital conversion, obtain digital noise signal and export, described digital filter circuit connects analog-digital conversion circuit as described, digital noise signal for exporting analog-digital conversion circuit as described carries out filtering process and anti-phase process, obtains anti-phase digital noise and exports;
Audio decoder, for decoding to described audio signal and exporting, and utilizes adder unit the noise signal after cell processing of being made an uproar by described filter to be added in described audio signal, obtains superposition audio signal and exports;
Video Decoder, for exporting described decoding video signal;
Image processor, for processing described vision signal and exporting;
Memory, for storing described vision signal, audio signal, noise signal and superposition audio signal;
Power amplifier, for receiving described audio signal or superposing audio signal and send to left receiver (2) and right receiver (3); And
Main control chip, for controlling described receiver, audio decoder, Video Decoder, image processor, memory, display (5) and power amplifier;
Described screen rotation unit connects described main control chip, described screen rotation unit comprises detection module and the contrast module that is connected with detection module successively signal and rotate Executive Module, described detection module is for detecting the positional information of user's left eye and right eye, and determine according to the positional information of two the positive angle that user is current, described contrast module is used for the current positive angle of user determined by described detection module and display active screen direction contrasts, and judge that whether the direction of both is consistent, if judged result is inconsistent, display active screen rotates to consistent with the current positive angle of user by described rotation Executive Module, if judged result is consistent, then described rotation Executive Module does not perform spinning movement,
Described display (5) is for showing described vision signal.
2. multimedia head-worn receiving system according to claim 1, is characterized in that, is rotatedly connected outside described connecting rod (4) and headband (1) left end.
3. multimedia head-worn receiving system according to claim 1, is characterized in that, described display (5) and connecting rod (4) are rotatedly connected.
4. multimedia head-worn receiving system according to claim 1, is characterized in that, described display (5) is touch-screen.
5. multimedia head-worn receiving system according to claim 1, is characterized in that, described internal control plate also comprises D/A converting circuit; Described D/A converting circuit connects audio decoder, carries out digital-to-analogue conversion for the superposition audio signal exported described audio decoder and exports.
6. multimedia head-worn receiving system according to claim 1, it is characterized in that, described main control chip is also connected with a camera (6), and described camera (6) processes rear storage in memory for carrying out recording and sending to image to main control chip.
7. multimedia head-worn receiving system according to claim 6, is characterized in that, described main control chip is connected with camera switch key.
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| CN201310377888.6A CN103442195B (en) | 2013-08-27 | 2013-08-27 | Multimedia head-worn receiving device |
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| CN201310377888.6A CN103442195B (en) | 2013-08-27 | 2013-08-27 | Multimedia head-worn receiving device |
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| CN103442195A CN103442195A (en) | 2013-12-11 |
| CN103442195B true CN103442195B (en) | 2015-01-07 |
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| CN201310377888.6A Expired - Fee Related CN103442195B (en) | 2013-08-27 | 2013-08-27 | Multimedia head-worn receiving device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104714558B (en) * | 2015-03-27 | 2017-06-06 | 北京航空航天大学 | A kind of aircrew helmet is with movement demonstration instrument |
| CN108632695B (en) * | 2017-03-16 | 2020-11-13 | 广州思脉时通讯科技有限公司 | Earphone set |
| CN108346326A (en) * | 2018-02-07 | 2018-07-31 | 湖南第师范学院 | A kind of computer network teaching interaction platform |
| CN114690418A (en) * | 2020-12-31 | 2022-07-01 | 赵福涛 | Wearable split-screen display and split-screen display method |
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| CN101467446A (en) * | 2006-06-13 | 2009-06-24 | 株式会社尼康 | Head-mounted display |
| CN201508438U (en) * | 2009-06-29 | 2010-06-16 | 林祈 | Head type multimedia audiovisual system |
| CN202141856U (en) * | 2011-07-13 | 2012-02-08 | 沈阳正道安全检测技术服务有限公司 | Head virtual display |
| CN202424987U (en) * | 2011-11-28 | 2012-09-05 | 大连民族学院 | Visual headset |
| CN202956723U (en) * | 2012-12-12 | 2013-05-29 | 紫光股份有限公司 | Head-wearing type computer |
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| CN103380625A (en) * | 2011-06-16 | 2013-10-30 | 松下电器产业株式会社 | Head-mounted display and misalignment correction method thereof |
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- 2013-08-27 CN CN201310377888.6A patent/CN103442195B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101467446A (en) * | 2006-06-13 | 2009-06-24 | 株式会社尼康 | Head-mounted display |
| CN201508438U (en) * | 2009-06-29 | 2010-06-16 | 林祈 | Head type multimedia audiovisual system |
| CN202141856U (en) * | 2011-07-13 | 2012-02-08 | 沈阳正道安全检测技术服务有限公司 | Head virtual display |
| CN202424987U (en) * | 2011-11-28 | 2012-09-05 | 大连民族学院 | Visual headset |
| CN202956723U (en) * | 2012-12-12 | 2013-05-29 | 紫光股份有限公司 | Head-wearing type computer |
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