CN206260051U - HDMI intelligent playing systems - Google Patents
HDMI intelligent playing systems Download PDFInfo
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- CN206260051U CN206260051U CN201621095834.6U CN201621095834U CN206260051U CN 206260051 U CN206260051 U CN 206260051U CN 201621095834 U CN201621095834 U CN 201621095834U CN 206260051 U CN206260051 U CN 206260051U
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- hdmi
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- intelligent playing
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Abstract
The utility model is that, on a kind of HDMI intelligent playing systems, this system is included：Each conveyer of an at least conveyer, at least a conveyer receives the shadow audio number for meeting HDMI, and exports the video-audio signal to be wirelessly transferred；And a reception device, it is with the shadow audio number that each conveyer of a radio transceiver at least conveyer is exported and selective by the shadow audio number of one or more conveyers meeting HDMI output a to display device.
Description
Technical field
The utility model is on a kind of HDMI intelligent playing systems.
Background technology
Due to the popularization being wirelessly transferred, wireless image-sound transmission improves the convenience that people use audio-visual transmission.However, by
The requirement of time delay is above had in application in wireless image-sound transmission, due to cannot be adjusted to for Wi-Fi efficiency by current technology
Most preferably, therefore compression ratio H.264 technology higher can only be selected to reduce bandwidth demand, but can so causes to postpone
(latency) it is too high, such as more than 400ms.Radio Transmission Technology is carried out depth optimization by the utility model patent, can be transmitted
The mass data compressed using MJPEG (Motion JPEG) and produced, it is sufficient to accomplish stabilization transmission within 100Mbps,
Latency can be also dropped within 100ms, therefore the application of many real-times can be carried out according to this technology:As bulletin is interactive, real-time
Game etc..
A kind of high picture quantity multimedia interface of the utility model offer (High-Definition Media Interface,
HDMI) intelligent play-back technology, multiple video-audio datas are wirelessly transferred and to meet HDMI for simultaneously provide real-time
Interface is played to display device.
Utility model content
The utility model can provide a kind of high picture quantity multimedia interface (High-Definition Media Interface,
HDMI) intelligent playing system.
A kind of HDMI intelligent playing systems, comprising：An at least conveyer, each transmission dress of an at least conveyer
The shadow audio number for receiving and meeting HDMI is put, and to be wirelessly transferred output video-audio signal；And
One reception device, with the audio-visual frequency that each conveyer of a radio transceiver at least conveyer is exported
Number, and it is selective by the shadow audio number of one or more conveyers meeting HDMI output a to display device.
Wherein, shadow audio number is audio, picture or image and sound program signal.
Wherein, the coding of the shadow audio number is MJPEG codings.
Wherein, the transmission mode of shadow audio number comprises at least one of film mode, bulletin pattern and low-power mode.
Wherein, conveyer also meets the shadow audio number of HDMI comprising an audio-visual receiver module to receive；One is audio-visual
Compression/packetized module is carrying out the compressed encoding of the shadow audio number and carry out packetized to coordinate the wireless biography of follow-up package
It is defeated；And one wireless transport module by the compressed encoding of the shadow audio number of package being wirelessly transferred.
Wherein, reception device also receives video-audio signal comprising a wireless receiving module to be wirelessly transferred；The treatment of one package/
Image decompression module is with the treatment of the package for being received and the treatment of the decompression for carrying out video-audio signal；And one is audio-visual defeated
Go out module and will meet the shadow audio number output of HDMI to display device.
This system also sets the shadow audio number of conveyer via HDMI output comprising conveyer to other displays
It is standby.
This system also receives the video-audio signal of at least action equipment transmission comprising reception device.
This system is also received via general-purpose serial bus USB or the shadow audio number of HDMI comprising reception device.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of HDMI intelligent playing systems.
Fig. 2 is a kind of conveyer of HDMI intelligent playing systems and the schematic diagram of reception device.
Fig. 3 is the passing three two of which of conveyer of the reception device selectivity of a kind of HDMI intelligent playing systems
The shadow audio number of device is sent to export the schematic diagram for arriving display device.
Fig. 4 is that a kind of two conveyers of HDMI intelligent playing systems respectively connect respective shadow audio number via HDMI
Schematic diagram of the mouth output to other display equipment.
Fig. 5 be a kind of HDMI intelligent playing systems reception device selectivity by a notebook computer and via general
The shadow audio number of universal serial bus (USB) or HDMI is displayed in the schematic diagram of display device.
Description of reference numerals：
110- conveyers, 120- reception devices, 130- display devices, the audio-visual receiver modules of 210-, the audio-visual compressions of 220-/
Packetized module, 230- wireless transport modules, 250- wireless receiving modules, 260- package treatment/image decompression modules, 270-
Audio-visual output module, 310- is wirelessly transferred, 410- other display equipments, 420- other display equipments, 510-USB or HDMI interfaces
Specific embodiment
To make the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And specific embodiment is described in detail.
Embodiment of the present utility model provides a kind of HDMI (High-Definition Multimedia Interface)
Intelligent playing system, multiple video-audio signals a to device are wirelessly transferred for simultaneously provide real-time.This technology is related to
And technological layer cover audio-visual compression, transmission and HDMI optimum resolutions adjustment.Application field is have the audio-visual biography of many-one
The many people's participation bulletins in the place of defeated demand, e.g. office but simultaneously the shadow audio number of one or more can show, or family
There is HDMI to export multiple equipment in front yard, but one or more equipment can be shown to the displays such as TV simultaneously.
An embodiment of the present utility model provides a kind of HDMI intelligent playing systems, as shown in Figure 1.With reference to Fig. 1, this system
Comprising an at least conveyer 110, each conveyer of an at least conveyer is received and meets the audio-visual of HDMI
Frequency number, and to be wirelessly transferred output video-audio signal；And a reception device 120, transmitted with radio transceiver at least and filled
The shadow audio number for each conveyer output put, and optionally by the audio-visual frequency of one or more conveyers 110
Number meeting HDMI output to a display device 130.
In Fig. 1, the shadow audio number that each conveyer 110 is received can be such as audio, picture or image and sound program etc.
Signal, and can be passed via the audio-visual source device connection HDMI such as such as DVD player, notebook computer, hand-held device
Defeated line is provided.It can be the transmission for meeting wireless communication protocol to be wherein wirelessly transferred, e.g. IEEE802.11ac communication protocols
View.Reception device 120 can for example provide video-audio signal to display device via connection HDMI transmission lines.And display device
130 can be such as display such as TV, projector of connection HDMI transmission lines.
With reference to Fig. 1, each conveyer 110 be wirelessly transferred elder generation and reception device 120 match with select transmission channel and
Adjustment WMM (Wi-Fi Multimedia) parameter, MCS (Modulation and Coding Scheme) and package retransmit machine
Make, and reception device 120 detects the display coefficient of display device and display coefficient is sent into each transmission to be wirelessly transferred
Device 110；And each conveyer 110 according to the transmission mode of display coefficient and shadow audio number adjusting the shadow audio number
Compression ratio and frame rate (Frame Rate) export video-audio signal.
In Fig. 1 each conveyer 110 of HDMI intelligent playing systems can also comprising an audio-visual receiver module 210,
The one audio-visual compression/wireless transport module 230 of packetized module 220 and, as shown in Figure 2.With reference to Fig. 2, wherein conveyer
110 audio-visual receiver module 210 receives the shadow audio number for meeting HDMI；Audio-visual compression/packetized module 220 carries out audio-visual
The compressed encoding of frequency number is, for example, that MJPEG encodes and carry out packetized to coordinate being wirelessly transferred for follow-up package；And it is wireless
Be wirelessly transferred for the compressed encoding of the shadow audio number of package by transport module 230.
The reception device 120 of HDMI intelligent playing systems can also include a wireless receiving module 250, an envelope in Fig. 1
The audio-visual output module 270 of bag treatment/image decompression module 260 and, as shown in Figure 2.With reference to Fig. 2, wherein reception device
120 wireless receiving module 250 receives video-audio signal to be wirelessly transferred；Package treatment/image decompression module 260 is connect
The treatment of the package of receipts and carry out video-audio signal decompression treatment；And audio-visual output module 270 will meet HDMI
The output of shadow audio number to display device 130, and by shadow audio number meeting interface protocol output to the second display device.
In the HDMI intelligent playing systems of Fig. 1, each conveyer 110 is matched somebody with somebody with being wirelessly transferred elder generation with reception device 120
It is right, wherein pairing flow is as follows:Conveyer 110 can be linked first with reception device 120 using default ssid first, conveyer
By the wireless MAC of itself, sequence number and Wi-Fi country code information transmissions to reception device.Reception device receives conveyer
During information, can first check whether and reach the number of pairs upper limit, and whether country code is correct.After conveyer being informed when correct
The SSID of continuous shadow audio number package transmission and the information of record transferring means.If do not allow, response reject is matched to transmission
Device, conveyer is received when allowing pairing, can be changed the SSID of connection audio-visual transmission and be recorded, and audio-visual frequency is started after connecting
Number normal transmission flow.If receiving when not allowing online, information before pairing is replied, attempt the setting of connection script.Pairing
After success, reception device can be added to conveyer in paired device list, and paired device list is filled including the transmission
MAC, sequence number and the Wi-Fi country codes put, if any pairing signal from conveyer is not received more than the set time, connect
Receiving apparatus will voluntarily recover to original state.During pairing, reception device is still subjected to the shadow audio number of other conveyers.
The Pairing behavior of reception device and conveyer only needs to perform 1 time, and the pair record of reception device can continue to retain until one uses
Untill family enters the manual rejecting of administration page of reception device, if pair record is more than a higher limit, will no longer allow to increase
Any pair record.
As it was previously stated, each conveyer 110 be wirelessly transferred elder generation and reception device 120 match with select transmission channel and
Adjustment WMM parameters, MCS and package retransmission mechanism.Adjusted by this, the package of video-audio signal can enjoy higher prior in transmission
Power, during in face of the interference of the other equipment of same transmission channel, can also win shorter re-transmission time and retransmission opportunity higher.
In the HDMI intelligent playing systems of Fig. 1, reception device 120 detects the display coefficient of display device and will show system
Number is sent to each conveyer 110.This display coefficient can be such as EDID (Extended Display Information
The EDID data of display device can be sent to conveyer by Data) data, reception device, allow the EDID data energy of conveyer
It is identical with display device, and transmit shadow audio number and can also be given further according to this EDID value to the audio-visual source device of conveyer
Go out best picture resolution ratio.
In the HDMI intelligent playing systems of Fig. 1, EDID may, for example, be and match somebody with somebody in conveyer 110 and reception device 120
Pair when synchronize.If now EDID status are " not sync ", reception device 120 can transmit current display device
EDID data are to conveyer.If the EDID data that conveyer 110 is received are identical with current EDID contents, do not remembered
Record.When reception device 120 changes the display device 130 of connection, can be compared with the current EDID information for preserving, if different
EDID status flag can be then removed, and reception device sends EDID data to conveyer 110.
With reference to Fig. 1, each conveyer 110 of HDMI intelligent playing systems can be according to display coefficient and shadow audio number
Transmission mode exports video-audio signal to adjust the compression ratio and frame rate (Frame Rate) of the shadow audio number.Wherein audio-visual frequency
Number transmission mode may, for example, be film mode (Video Mode), bulletin pattern (Presentation Mode) or low work(
Rate pattern (Low-Power Mode).For film mode, with picture it is smooth be it is main consider, therefore transmission bandwidth can be set
Be the maximum that system can be ensured, the packet loss (Packet Loss) that conveyer can be transmitted according to reception device with
The number of erroneous frame (Error Frame), the compression ratio and frame rate of the compressed encoding of dynamic adjustment shadow audio number, allows output
Bandwidth can meet setting.Bulletin pattern be with picture exquisiteness degree be it is main consider, the compressed encoding of shadow audio number can be fixed
Compression ratio and dynamic adjustment frame rate, output bandwidth is exceeded system loading.And low-power mode is then with total consumption
The minimum main consideration of power, can fix the compression ratio of compressed encoding of shadow audio number to cause transmitted data amount reduction, together
When compare before and after picture otherness, if front and rear picture is identical, posttension picture is not transmitted.
An embodiment of the present utility model, as shown in figure 3, the reception device of HDMI intelligent playing systems is selected in explanatory diagram 1
Display device is arrived in the shadow audio number output by three two of which conveyers of conveyer of selecting property.Three pass in figure 3
Device respectively DVD player, notebook computer and another notebook computer are sent, and display device 130 is flat-panel screens.Such as
Shown in Fig. 3, two video-audio signals of notebook computer are sent to reception device 120 to be displayed in display via being wirelessly transferred 310
Equipment flat-panel screens.
This HDMI intelligent playing system can also be defeated via HDMI by the shadow audio number of conveyer comprising conveyer
Go out to other display equipment.An embodiment of the present utility model, as shown in figure 4, in explanatory diagram 1 HDMI intelligent playing systems two
Individual conveyer is respectively by the shadow audio number of respective output via HDMI output to other display equipment 410,420.
This HDMI intelligent playing system can also include the video-audio signal that reception device receives the transmission of an at least action equipment.Connect
Receiving apparatus have the operating system (Operating System, OS) of action equipment, and this operating system can be such as iOS/
The operating systems such as Android/Windows.Reception device can possess the operating system of action equipment to coordinate receiving activity to set
The video-audio signal of standby transmission.
This HDMI intelligent playing system can be also received via USB (USB) or HDMI comprising reception device
Shadow audio number, as shown in Figure 5.With reference to Fig. 5, reception device selectivity a notebook computer and one is total via general serial
The shadow audio number of line (USB) or HDMI 510 is displayed in display device flat-panel screens.
The technology of above-mentioned utility model to provide a kind of HDMI intelligence play-back technology, cover by the technological layer that this technology is related to
Audio-visual compression, it is wirelessly transferred and HDMI.Match to select transmission channel and adjustment WMM to join via conveyer and reception device
Number, MCS and package retransmission mechanism carry out optimum resolution adjustment.And according to the display coefficient and shadow audio number of display device
Transmission mode multiple video-audio signals are transmitted to adjust the compression ratio and frame rate (Frame Rate) of the shadow audio number to aobvious
Show equipment.
The foregoing is only embodiment of the present utility model, it is impossible to limit the scope of the utility model protection according to this.In every case
The change and modification made according to present utility model application the scope of the claims, should all belong to the scope that the utility model patent covers.
Claims (9)
1. a kind of HDMI intelligent playing systems, this system is included：
An at least conveyer, each conveyer of an at least conveyer receives the audio-visual frequency for meeting HDMI
Number, and export the video-audio signal to be wirelessly transferred；And
One reception device, with the shadow audio number that each conveyer of the radio transceiver at least conveyer is exported,
And selective exports to a display device shadow audio number of one or more conveyers to meet HDMI.
2. HDMI intelligent playing systems as claimed in claim 1, it is characterised in that the shadow audio number is audio, picture or shadow
Syllable mesh signal.
3. HDMI intelligent playing systems as claimed in claim 1, it is characterised in that the coding of the shadow audio number is a MJPEG
Coding.
4. HDMI intelligent playing systems as claimed in claim 1, it is characterised in that the transmission mode of the shadow audio number is at least wrapped
Containing one of film mode, bulletin pattern and low-power mode.
5. HDMI intelligent playing systems as claimed in claim 1, it is characterised in that the conveyer also includes an audio-visual reception
Module meets the shadow audio number of HDMI to receive；One audio-visual compression/packetized module is carrying out the pressure of the shadow audio number
Reduce the staff code and carry out packetized to coordinate being wirelessly transferred for follow-up package；And one wireless transport module by package this is audio-visual
The compressed encoding of frequency number is being wirelessly transferred.
6. HDMI intelligent playing systems as claimed in claim 1, it is characterised in that the reception device also includes a wireless receiving
Module receives the video-audio signal to be wirelessly transferred；The place of package of the one package treatment/image decompression module to be received
Manage and carry out the treatment of the decompression of the video-audio signal；And one audio-visual output module will meet the shadow audio number of HDMI
Export the display device.
7. HDMI intelligent playing systems as claimed in claim 1, it is characterised in that also fill the transmission comprising the conveyer
The shadow audio number of output is put via HDMI output to other display equipment.
8. HDMI intelligent playing systems as claimed in claim 1, it is characterised in that also receive at least comprising the reception device
The video-audio signal of action equipment transmission.
9. HDMI intelligent playing systems as claimed in claim 1, it is characterised in that also received via logical comprising the reception device
With serial bus USB or the shadow audio number of HDMI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621095834.6U CN206260051U (en) | 2016-09-30 | 2016-09-30 | HDMI intelligent playing systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621095834.6U CN206260051U (en) | 2016-09-30 | 2016-09-30 | HDMI intelligent playing systems |
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| Publication Number | Publication Date |
|---|---|
| CN206260051U true CN206260051U (en) | 2017-06-16 |
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ID=59023084
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621095834.6U Active CN206260051U (en) | 2016-09-30 | 2016-09-30 | HDMI intelligent playing systems |
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| CN (1) | CN206260051U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110557346A (en) * | 2018-06-01 | 2019-12-10 | 弘真科技股份有限公司 | Wireless audio-video transmission system and method |
| CN112261468A (en) * | 2020-10-12 | 2021-01-22 | 深圳市炬力北方微电子有限公司 | Video and audio transmitter pairing method based on HDMI and video and audio transmitter |
-
2016
- 2016-09-30 CN CN201621095834.6U patent/CN206260051U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110557346A (en) * | 2018-06-01 | 2019-12-10 | 弘真科技股份有限公司 | Wireless audio-video transmission system and method |
| CN112261468A (en) * | 2020-10-12 | 2021-01-22 | 深圳市炬力北方微电子有限公司 | Video and audio transmitter pairing method based on HDMI and video and audio transmitter |
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