CN205847319U - Multi-media transmission system - Google Patents
Multi-media transmission system Download PDFInfo
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- CN205847319U CN205847319U CN201620626154.6U CN201620626154U CN205847319U CN 205847319 U CN205847319 U CN 205847319U CN 201620626154 U CN201620626154 U CN 201620626154U CN 205847319 U CN205847319 U CN 205847319U
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Abstract
This utility model provides a kind of multi-media transmission system, comprising: transporter and reception device, and transporter and reception device are connected by multimedia transmission line, wherein transporter is respectively used to connect audio-visual offer equipment and human-computer interaction device, to receive video-audio data and interaction data respectively, and transporter is provided with encoder, encoder is configured to the transmission signal that video-audio data and interaction data are encoded to preset, and provides to multimedia transmission line；And reception device is respectively used to connect playback equipment and interaction process equipment, and receive device and be provided with decoder, the transmission signal coming from multimedia transmission line is decoded as video-audio data and interaction data by decoder, to provide to playback equipment and interaction process equipment respectively.Utilize multi-media transmission system of the present utility model, it is achieved that multimedia transmission line transmitting audio-video data and an interaction data simultaneously, decrease data-interface, transfer resource has been carried out multiplexing and Optimized Operation.
Description
Technical field
This utility model relates to video playback apparatus, particularly relates to a kind of multi-media transmission system.
Background technology
Along with information technology development and evolution, various video equipments and application are continually developed, and enrich the life of people
Live and need and hearing experience.At present, digital audio-video technology has become as the main way carrying out audiovisual broadcasting.
In the prior art, the multiple coffret being specifically designed to video-audio data transmission has been occurred in that.In order to meet number
The requirement of word epoch high quality graphics image, DDWG (Digital Display Working Group) numerical monitor works
Group, with the patented technology of Silicon Image company of the U.S. as source, is proposed a kind of entitled DVI (Digital Visual
Interface) interface, it is intended to unified New Times digital display interface standard.This technology and obtained in IT industry with
The extensive support of multiple big business such as Intel, DELL, HP, IBM, Microsoft.Through promoting, DVI technology exports at Computer display
Field has obtained rapid utilization, but is accompanied by the development of the audio-visual technology of digital high-definition, and DVI interface also begins to gradually expose kind
The problem of kind, becomes the bottleneck of digital audio-effect processing progress: DVI interface is to image copyright protection shortage the most to a certain extent
Hold, and only support that the rgb signal of 8bit transmits, it is impossible to allow the display terminal of wide colour gamut play optimum performance, additionally DVI interface
Considering for compatibility, reserved many pins to support simulator, causing interface volume relatively greatly, efficiency is the lowest.And DVI
Interface can only image signal transmission, for the support of digital audio and video signals entirely without consideration.
Due to above many disadvantages, DVI interface can not better meet the development need of whole industry.In order to
Meet HD video industry development, occur in that HDMI (High Definition Multimedia
Interface, is called for short HDMI), HDMI is without transmitting advance row D/A or analog/digital conversion, and broadband of can arranging in pairs or groups at signal
Digital content protection (HDCP), to prevent the video content with copyright from suffering unwarranted duplication.HDMI is possessed
Exceptional space can be applicable in the audio frequency and video form in the future upgraded.HDMI has following spy relative to other video interfaces existing
Point:
1, quality: HDMI is digital interface, it is to avoid simulation connects (such as component video or S-video) and turning from simulation
It is changed to loss during numeral, is therefore provided that optimal video quality.This difference is in higher resolution, such as during 1080p more
Add substantially.Digital video will be more apparent than component video, eliminate the soft degree and conditions of streaking found in component video.Such as
This difference is performed to ultimate attainment by this kind of details small, high-contrast of text.
2, ease for use: HDMI is integrated video and multichannel audio in single cable, thus eliminates in current A/V system and make
The cost of many cables, complexity and confusion, it is simple to subsequent upgrade and the interpolation of equipment.
3, high-resolution content is ready: support that the HDMI equipment of HDCP is able to access that senior high-definition content.Utilize shadow
As resisting labelling (being also called content protecting labelling), high-definition movie in the future will be unable to by the interface being not protected with height
Definition is play.
However as user's raising to interactivity requirement, in the face of becoming increasingly abundant various information transfer demands, HDMI exists
Some application scenarios occur in that deficiency, such as HDMI can only one-way transmission audio/video multimedia signal, function and transferring content mistake
In single, it is impossible to realize the transmission of other data, such as interactive data, the transmission of the data of other functions needs to utilize other
Coffret, on the one hand occupies more interface, on the other hand too increases transmission cable, brings inconvenience to user.
Utility model content
A purpose of the present utility model is to provide for a kind of user of meeting and watches the multimedia biography that video interactive requires
Communication system.
One interface that further objective is that system to be reduced of this utility model and the transmission cable of use.
Especially, this utility model provides a kind of multi-media transmission system, and it includes transporter and receives device, and
And transporter and reception device are connected by multimedia transmission line, wherein transporter is respectively used to connect audio-visual offer equipment
And human-computer interaction device, to receive video-audio data and interaction data respectively, and transporter is provided with encoder, and encoder is joined
It is set to the transmission signal that video-audio data and interaction data are encoded to be preset, and provides to multimedia transmission line；And receive dress
Putting and be respectively used to connect playback equipment and interaction process equipment, and receive device and be provided with decoder, decoder will come from
The transmission signal of multimedia transmission line is decoded as video-audio data and interaction data, with respectively to playback equipment and interaction process equipment
There is provided.
Alternatively, transporter also includes: audio-visual input interface, is used for connecting audio-visual offer equipment, to receive audio-visual number
According to；And interactively enter interface, it is used for connecting human-computer interaction device, to receive interaction data；And encoder also has: first
Input, is connected with audio-visual input interface；Second input, is connected with interactively entering interface；And outfan, it is used for exporting volume
Transmission signal after Ma.
Alternatively, transporter also includes: the first multimedia interface, is connected with the outfan of encoder, with to multimedia
Transmission line provides transmission signal.
Alternatively, receive device also to include: the second multimedia interface, its interface type and the interface of the first multimedia interface
Type is suitable, the transmission signal transmitted by multimedia transmission line with reception.
Alternatively, decoder has: input, connects the second multimedia interface, to obtain transmission signal；First output
End, the video-audio data decoded for output；And second outfan, the interaction data decoded for output.
Alternatively, receive device and also include: playback equipment connects interface, is connected with the first outfan, decoding
Video-audio data is supplied to playback equipment；And interaction process equipment connects interface, it is connected with the second outfan, decoding
Interaction data is supplied to interaction process equipment.
Alternatively, the first multimedia interface and the second multimedia interface are HDMI HDMI, many matchmakers
Body transmission line is HDMI transmission line.
Alternatively, transporter connects audio-visual offer equipment by display data passage DDC, and decoder is by aobvious
Show that device data channel DDC is to playback equipment video-audio data.
Alternatively, during transporter is integrated in the host computer system comprising audio-visual offer equipment and human-computer interaction device.
Alternatively, receive device to be integrated in the Play System comprising playback equipment and interaction process equipment.
Multi-media transmission system of the present utility model, arranges encoder in transporter, is provided by audio-visual offer equipment
Video-audio data and the interaction data that provides of human-computer interaction device be encoded to unified transmission signal, utilize connect transporter and
The multimedia transmission line receiving device is transmitted, and is finally shadow by the decoder received in device by transmission signal decoded back
Sound data and interaction data, it is achieved thereby that multimedia transmission line transmitting audio-video data and an interaction data simultaneously, decrease
Transmission cable between data-interface and the equipment of equipment, has simplified the complexity of system.
Further, multi-media transmission system of the present utility model, by simplifying transmission cable, it is simple to user system
The installation of system and use, it is to avoid many holding wires overlap the situation being difficult to arrange, and owing to data transmission resources is carried out
Multiplexing and Optimized Operation, decrease transmitting redundancy, reduce power consumption.
Further, multi-media transmission system of the present utility model, it is possible to use HDMI, as multimedia transmission line, fills
Divide the data transmission capabilities utilizing HDMI cable, while meeting the requirement of HD video data playback, it is achieved that interaction function.
According to below in conjunction with the accompanying drawing detailed description to this utility model specific embodiment, those skilled in the art will be more
Add clear of the present utility model above-mentioned and other purposes, advantage and feature.
Accompanying drawing explanation
Describe in detail more of the present utility model specifically real the most by way of example, and not by way of limitation
Execute example.Reference identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that
These accompanying drawings are not necessarily drawn to scale.In accompanying drawing:
Fig. 1 is the organigram of the multi-media transmission system according to one embodiment of this utility model；And
Fig. 2 is the organigram of the multi-media transmission system according to another embodiment of this utility model.
Detailed description of the invention
This utility model provide firstly a kind of multi-media transmission system 10, is passed by a multimedia transmission line 13 simultaneously
Defeated video-audio data and interaction data, it is achieved that the multiplexing functions of cable, decrease between data-interface and the equipment of equipment
Transmission cable.Fig. 1 is the organigram of the multi-media transmission system 10 according to one embodiment of this utility model, this multimedia
Transmission system 10 may include that transporter 11 in general manner and receives device 12, and transporter 11 and reception device 12 pass through
Multimedia transmission line 13 connects.
Transporter 11 is respectively used to connect audio-visual offer equipment 20 and human-computer interaction device 30, in some alternative embodiments
In, audio-visual offer equipment 20 and human-computer interaction device 30 can be integrated in host computer system, and this host computer system can be individual calculus
Machine, minicomputer, Set Top Box, internet television box etc. provide the broadcast source of high-definition audio and video data, audio-visual offer equipment 20 and man-machine
Interactive device 30, as the different parts of host computer system, is respectively configured to provide high-definition audio and video data and carries out human-computer interaction merit
Energy.Transporter 11 can also optionally be integrated in and comprise audio-visual offer equipment 20 and the host computer system of human-computer interaction device 30
In.
Transporter 11 receives video-audio data from audio-visual offer equipment 20, and receives mutual from human-computer interaction device 30
Data.Transporter 11 is provided with encoder 110, and video-audio data and interaction data are encoded to the biography preset by this encoder 110
Defeated signal, and provide to multimedia transmission line 13.Encoder 110 can be by field programmable gate array (Field-
Programmable Gate Array, is called for short FPGA) or other hardware devices structure, it is achieved video-audio data and interaction data
Encoding function, video-audio data and interaction data are not simply combined and superposition by coded system, but by audio-visual number
It is re-encoded as meeting the data of the host-host protocol of multimedia transmission line 13 according to interaction data.Receive device 12 can also select
Property is integrated in the Play System comprising playback equipment 40 and interaction process equipment 50, the most wearable player, intelligent television
Deng.
Receive device 12 to be respectively used to connect playback equipment 40 and interaction process equipment 50, playback equipment 40 can include but
Being not limited to the equipment of the output audio visual signal such as display, audio amplifier, interaction process equipment 50 can be various execution interaction datas
Device, it can include that the control device of playback equipment 40, action executing device, action response device etc. can provide the user
The equipment of interactive information.Playback equipment 40 and interaction process equipment 50 can be integrally disposed, it is also possible to independently arrange.
Receiving device 12 and be provided with decoder 120, decoder 120 will come from the transmission signal solution of multimedia transmission line 13
Code is video-audio data and interaction data, to provide to corresponding playback equipment 40 and interaction process equipment 50 respectively.Decoder 120
Can also be by field programmable gate array (Field-Programmable Gate Array, be called for short FPGA) or other are hard
Part device builds, it is achieved the decoding function of transmission signal.
In some alternative, encoder 110 and decoder 120 can also use digital signal processor (Digital
Signal Processing, is called for short DSP) realize.
Fig. 2 is the organigram of the multi-media transmission system 10 according to another embodiment of this utility model, this multimedia
Transmission system 10 is refined on the basis of a upper embodiment.Transporter 11 is provided with audio-visual input interface 101, mutual
Input interface the 102, first multimedia interface 103.Encoder 110 has first input end the 111, second input 112 and defeated
Go out end 113.The most audio-visual input interface 101, is used for connecting audio-visual offer equipment 20, to receive video-audio data；Interactively enter and connect
Mouth 102, is used for connecting human-computer interaction device 30, to receive interaction data；The first input end 111 of encoder 110 connects audio-visual
Input interface 101, the second input 112 connection of encoder 110 interactively enters interface 102.The most audio-visual input interface 101 with
And the first input end 111 of encoder 110 is configured, such as according to the type of the data transmission interface of audio-visual offer equipment 20
Can select to use display data passage (Display Data Channel is called for short DDC) to carry out data transmission.Interactively enter
Second input 112 of interface 102 and encoder 110 can be according to the class of the data transmission interface of human-computer interaction device 30
Type, such as, can select USB (USB (universal serial bus), Universal Serial Bus), I2C (Inter-Integrated
The transfer bus such as Circuit).The outfan 113 of encoder 110 connects the first multimedia interface 103, this first multimedia interface
103 are used for connecting multimedia transmission line 13, to be believed to receiving the transmission after device 12 transmits coding by multimedia transmission line 13
Number.
Receive device 12 and be provided with the second multimedia interface 104, playback equipment connection interface 105, interaction process equipment even
Connection interface 106, decoder 120 have input the 121, first outfan the 122, second outfan 123.Wherein the second multimedia connects
Mouthfuls 104 connect the first multimedia interface 103 by multimedia transmission line 13, the interface type of the second multimedia interface 104 and the
The interface type of one multimedia interface 103 is suitable, in some alternative embodiments, and the first multimedia interface more than 103 and second
Media interface 104 is HDMI HDMI, and multimedia transmission line 13 is HDMI transmission line, thus utilizes HDMI
The data transmission capabilities of middle redundancy realizes the common transport of interaction data and video-audio data.
The input 121 of decoder 120 connects the second multimedia interface 104, to obtain transmission signal, after decoding,
First outfan 122 of decoder 120 connects interface 105 to playback equipment and exports the video-audio data decoded, decoder 120
Second outfan 123 connects interface 106 to interaction process equipment and exports the interaction data decoded.Playback equipment connects interface
105 and the first outfan 122 of decoder 120 can set according to the type of the data transmission interface of playback equipment 40
Put, such as, can select to use display data passage (Display Data Channel is called for short DDC) to carry out data transmission.
Interaction process equipment 50 connects the second outfan 123 of interface and decoder 120 can be according to the number of interaction process equipment 50
Be configured according to the type of coffret, such as can select USB (USB (universal serial bus), Universal Serial Bus),
The transfer bus such as I2C (Inter-Integrated Circuit).
The signal stream transmission mode of a kind of application example of the multi-media transmission system 10 of above-described embodiment is host computer system
DDC signal and two-way communication signals, be transferred to the transporter 11 of host system side respectively, transporter 11 is encoded
The signal meeting HDMI specification after output coding, by DDC signal cable in HDMI wire, is transferred to the reception of playback equipment side
In device 12, export decoded DDC signal to playback equipment 40, and export two-way communication signals to interactive processing equipment.
Owing to HDMI the maximum data transmission speed is 4.5Gb/s, due to video and the audio frequency letter of 8 sound channels of 1080p
Number demand is less than 0.5GB/s, and therefore HDMI also has the biggest surplus, and the multi-media transmission system 10 of the present embodiment utilizes change transmission
Surplus, can carry out multiplexing and Optimized Operation to data transmission resources, decrease transmitting redundancy, reduce power consumption, make full use of
The data transmission capabilities of HDMI cable, while meeting the requirement of HD video data playback, it is achieved that interaction function.Therefore,
The multi-media transmission system 10 of the present embodiment is having application scenarios widely for virtual reality applications direction, can significantly drop
The quantitative requirement of low transmission cable solve currently used in various bottlenecks.
So far, although those skilled in the art will appreciate that the most detailed illustrate and describe of the present utility model many
Individual exemplary embodiment, but, in the case of without departing from this utility model spirit and scope, still can be public according to this utility model
The content opened directly determines or derives other variations or modifications of many meeting this utility model principle.Therefore, this practicality is new
The scope of type is it is understood that and regard as covering other variations or modifications all these.
Claims (10)
1. a multi-media transmission system, it is characterised in that include transporter and receive device, and described transporter and
Described reception device is connected by multimedia transmission line, wherein
Described transporter is respectively used to connect audio-visual offer equipment and human-computer interaction device, to receive video-audio data and friendship respectively
Mutually data, and described transporter is provided with encoder, described encoder be configured to by described video-audio data and described alternately
Data encoding is default transmission signal, and provides to described multimedia transmission line；And
Described reception device is respectively used to connect playback equipment and interaction process equipment, and described reception device is provided with decoding
Device, the described transmission signal coming from described multimedia transmission line is decoded as described video-audio data and described friendship by described decoder
Data mutually, to provide to described playback equipment and described interaction process equipment respectively.
Multi-media transmission system the most according to claim 1, it is characterised in that described transporter also includes:
Audio-visual input interface, is used for connecting described audio-visual offer equipment, to receive described video-audio data；And
Interactively enter interface, be used for connecting described human-computer interaction device, to receive described interaction data；And
Described encoder also has:
First input end, is connected with described audio-visual input interface；
Second input, is connected with the described interface that interactively enters；And
Outfan, the described transmission signal after exporting coding.
Multi-media transmission system the most according to claim 2, it is characterised in that described transporter also includes:
First multimedia interface, is connected with the outfan of described encoder, to provide described transmission to described multimedia transmission line
Signal.
Multi-media transmission system the most according to claim 3, it is characterised in that described reception device also includes:
Second multimedia interface, its interface type is suitable with the interface type of described first multimedia interface, to receive by institute
State the described transmission signal of multimedia transmission line transmission.
Multi-media transmission system the most according to claim 4, it is characterised in that described decoder has:
Input, connects described second multimedia interface, to obtain described transmission signal；
First outfan, the described video-audio data decoded for output；And
Second outfan, the described interaction data decoded for output.
Multi-media transmission system the most according to claim 5, it is characterised in that described reception device also includes:
Playback equipment connects interface, is connected with described first outfan, described to be supplied to by the described video-audio data decoded
Playback equipment；And
Interaction process equipment connects interface, is connected with described second outfan, to be supplied to by the described interaction data decoded
Interaction process equipment.
7. according to the multi-media transmission system described in any one in claim 4 to 6, it is characterised in that
Described first multimedia interface and described second multimedia interface are HDMI HDMI, described many matchmakers
Body transmission line is HDMI transmission line.
Multi-media transmission system the most according to claim 1, it is characterised in that
Described transporter connects described audio-visual offer equipment by display data passage DDC, and described decoder passes through
Display data passage DDC is to video-audio data described in described playback equipment.
Multi-media transmission system the most according to claim 1, it is characterised in that
Described transporter is integrated in the host computer system comprising described audio-visual offer equipment and described human-computer interaction device.
Multi-media transmission system the most according to claim 1, it is characterised in that
Described reception device is integrated in the Play System comprising described playback equipment and described interaction process equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620626154.6U CN205847319U (en) | 2016-06-22 | 2016-06-22 | Multi-media transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620626154.6U CN205847319U (en) | 2016-06-22 | 2016-06-22 | Multi-media transmission system |
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| Publication Number | Publication Date |
|---|---|
| CN205847319U true CN205847319U (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620626154.6U Expired - Fee Related CN205847319U (en) | 2016-06-22 | 2016-06-22 | Multi-media transmission system |
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| CN (1) | CN205847319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236343A1 (en) * | 2022-06-10 | 2023-12-14 | 深圳市昊一源科技有限公司 | Image transmission device |
-
2016
- 2016-06-22 CN CN201620626154.6U patent/CN205847319U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236343A1 (en) * | 2022-06-10 | 2023-12-14 | 深圳市昊一源科技有限公司 | Image transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20190622 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |