CN205901949U - Signal transmission device - Google Patents
Signal transmission device Download PDFInfo
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- CN205901949U CN205901949U CN201620806959.9U CN201620806959U CN205901949U CN 205901949 U CN205901949 U CN 205901949U CN 201620806959 U CN201620806959 U CN 201620806959U CN 205901949 U CN205901949 U CN 205901949U
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Abstract
The utility model discloses a signal transmission device, including transmitting terminal and receiving terminal, the transmitting terminal is including the signal input interface, a interface chips, a WHDI baseband chip and the radio frequency sending module that connect gradually, the receiving terminal is including the radiofrequency receiving module, the 2nd WHDI baseband chip, the 2nd interface chips and the signal output module that connect gradually. Implement this application, through 4.9 to the 5.8GHz frequency channel in the radio frequency network transmission multimedia signal of 40MHz bandwidth, low to signal transmission bandwidth and transmission distance's restriction, and can't harm compression to multimedia signal, so can reduce signal time -delay, improvement signal broadcasting quality and signal transmission distance.
Description
Technical field
The application is related to communication technical field, more particularly, to signal transmitting apparatus.
Background technology
With the development of multimedia application, the requirement more and more higher of wireless high-definition video transmission technology, for example apparent
Video pictures, farther transmission range, less time delay etc..Current wireless high-definition video transmission method, is typically first sending
End carries out the data compression of high compression ratio to video data, generates video data bag, then passes through wifi LAN by video counts
It is sent to receiving terminal according to bag, video data bag is decompressed in receiving terminal again, return to video data.
But, above-mentioned wireless high-definition video transmission method, when transmitting terminal carries out the data compression of high compression ratio, need to be left out
Multitude of video data and the bit rate changing audio frequency and video, accordingly there is serious data and lack in the video data of receiving terminal decompression gained
Lose or audio frequency and video distortion, therefore can seriously reduce video pictures quality.
Utility model content
The application provides signal transmitting apparatus, can seriously be reduced with solving wireless high-definition video transmission method in prior art
The problem of video pictures quality.
According to the embodiment of the present application in a first aspect, provide a kind of signal transmitting apparatus, including transmitting terminal and receiving terminal, institute
State signal input interface, first interface chip, a whdi baseband chip and the radio frequency transmission mould that transmitting terminal includes being sequentially connected
Block, Receiver Module, the 2nd whdi baseband chip, second interface chip and signal that described receiving terminal includes being sequentially connected are defeated
Go out module；
The multi-media signal that described first interface chip is used for receiving described signal input interface is converted to Parallel Digital
Signal；
After a described whdi baseband chip for carrying out lossless compress, to lossless compress to described parallel digital signal
Signal is modulated processing, the signal after modulation treatment is carried out with digital-to-analogue conversion, generates analogue signal；
Described radio frequency sending module be used for described analogue signal be simulated modulation and by modulation after analogue signal to
In 4.9 to 5.8ghz frequency range, the radio frequency network of 40mhz bandwidth sends described analogue signal；
Described Receiver Module is used for entering by the described radio frequency network described analogue signal of reception, to described analogue signal
Analogue signal after demodulation is simultaneously sent by row analog demodulator to described 2nd whdi baseband chip；
Described 2nd whdi baseband chip is used for described analogue signal being carried out with analog digital conversion, to the signal after analog digital conversion
It is demodulated processing, decompression is carried out to the signal after demodulation process, be reduced into parallel digital signal；
Described second interface chip is used for for the parallel digital signal of reduction gained being converted to multi-media signal and to described
Signal output module sends the multi-media signal of conversion gained.
In one embodiment, described signal input interface include following at least one interface: hdmi interface, dvi interface,
Dp interface；Described first interface chip includes following at least one interface chip: hdmi interface chip, dvi interface chip, dp connect
Mouth chip.
In one embodiment, described transmitting terminal also includes signaling switch module, described signaling switch module respectively with respectively
Kind of interface chip and a described whdi baseband chip connect, for by least one interface chip select one with described first
Whdi baseband chip turns on.
In one embodiment, described signaling switch module is programming device.
In one embodiment, described programming device is field programmable gate array or CPLD.
In one embodiment, described signal input interface includes sdi interface, and described first interface chip includes sdi and connects
Mouth chip；Described transmitting terminal also includes interconnective driver and sdi ring outgoing interface；
Described sdi interface chip is connected with described driver, and described sdi interface chip is additionally operable to connect described sdi interface
The sdi signal received is converted to the sdi signal of difference form and sends the sdi signal of described difference form, institute to described driver
State driver the sdi signal of described difference form to be converted to the sdi signal of high speed serialization and sends out to described sdi ring outgoing interface
Send, the sdi hoop of described high speed serialization is gone out by described sdi ring outgoing interface.
In one embodiment, described radio frequency sending module includes mimo and sends chip, multiple power amplifier and multiple
Transmitting antenna, each power amplifier connects described mimo respectively and sends chip and a transmitting antenna, described radio frequency receiving
Block includes multiple reception antennas and the mimo reception chip being connected respectively with multiple reception antennas；
A described whdi baseband chip is additionally operable to for the analogue signal of generation to be converted to multichannel analog signals and is sent to institute
State mimo and send chip, described mimo sends chip and will send to power amplifier after the analogue signal analog-modulated of every road, each
Power amplifier receive a road analogue signal, will receive a road analogue signal power amplification after by connect transmitting antenna to
Described radio frequency network sends；
Described mimo receives chip and receives the multichannel analog signals that multiple reception antennas receive the multi-channel analog that will receive
It is sent to described 2nd whdi baseband chip after signal demodulation.
In one embodiment, described second interface chip include following at least one interface chip: hdmi interface chip,
Dvi interface chip, dp interface chip；Described signal output module includes signal output interface, and described signal output interface includes
Following at least one interface: hdmi interface, dvi interface, dp interface.
In one embodiment, described signal output module also includes signal and splits module, the 3rd interface chip, the 4th connects
Mouth chip and a sdi interface；
Described signal split module respectively with described second interface chip, described 3rd interface chip and described signal output
Interface connect, for by described multi-media signal be split as two-way multi-media signal, will be many for two-way multi-media signal Zhong mono- tunnel
Media signal is transferred to described signal output interface, another road multi-media signal is transferred to described 3rd interface chip；
Described 3rd interface chip is connected with described 4th interface chip, for turning receive one road multi-media signal
It is changed to parallel digital signal and send to described 4th interface chip；
Described 4th interface chip is connected with a described sdi interface, for being converted to the parallel digital signal of reception
Sdi signal simultaneously sends described sdi signal to a described sdi interface.
In one embodiment, described signal output module includes the 5th interface chip, the 6th interface chip and the 2nd sdi
Interface；
Described 5th interface chip is connected with described second interface chip and described 6th interface chip, respectively for will be many
Media signal is converted to parallel digital signal and sends to described 6th interface chip；
Described 6th interface chip is connected with described 2nd sdi interface, for being converted to the parallel digital signal of reception
Sdi signal simultaneously sends described sdi signal to described 2nd sdi interface.
The signal transmitting apparatus of the application, by the first interface chip of transmitting terminal, a whdi baseband chip and radio frequency
Sending module, the multi-media signal inputting a signal into interface is converted to analogue signal to radio frequency network transmission, then by connecing
The Receiver Module of receiving end, the 2nd whdi baseband chip, second interface chip and signal output module, receive from radio frequency network
The signal that transmitting terminal sends, and the analogue signal of reception is converted to multi-media signal output, by 4.9 to 5.8ghz frequency range
The radio frequency network transmission multi-media signal of 40mhz bandwidth, the restriction to signal transmission bandwidth and transmission range is low, and to multimedia
Signal carries out lossless compress, therefore can reduce signal lag, improve signal play quality and signal transmission distance.
Brief description
Fig. 1 is an embodiment block diagram of the application signal transmitting apparatus；
Fig. 2 is another embodiment block diagram of the application signal transmitting apparatus；
Fig. 3 is another embodiment block diagram of the application signal transmitting apparatus；
Fig. 4 is another embodiment block diagram of the application signal transmitting apparatus.
Specific embodiment
Here will in detail exemplary embodiment be illustrated, its example is illustrated in the accompanying drawings.Explained below is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, the application.
It is the purpose only merely for description specific embodiment in term used in this application, and be not intended to be limiting the application.
" a kind of ", " described " and " being somebody's turn to do " of singulative used in the application and appended claims is also intended to including most
Form, unless context clearly shows that other implications.
Refer to Fig. 1, Fig. 1 is an embodiment block diagram of the application signal transmitting apparatus:
As shown in figure 1, the signal transmitting apparatus of the present embodiment can include transmitting terminal 100 and receiving terminal 200, transmitting terminal
100 signal input interfaces 110 that can include being sequentially connected, first interface chip 120, a whdi baseband chip 130 and penetrate
Frequency sending module 140, Receiver Module 210 that receiving terminal 200 can include being sequentially connected, the 2nd whdi baseband chip 220,
Second interface chip 230 and signal output module 240.
For transmitting terminal 100:
In the embodiment of the present application, the multi-media signal that first interface chip 120 is used for inputting a signal into interface 110 reception turns
It is changed to parallel digital signal and send described parallel digital signal, wherein parallel digital signal to a whdi baseband chip 130
Parallel data signal, clock signal and row field sync signal can be included, multi-media signal can be the multiple sounds having existed
Video signal, such as hdvi signal (high definition multimedia interface, hdmi licensing, llc
A kind of digitized video/audio transmission interfaces of tissue definition, can be with the digital video of simultaneous transmission no compression and voice data
Stream), dvi signal (digital visual interface, digital visual interface), dp signal (displayport, high definition number
Word display interface standard) etc., signal input interface 110 can connect to connect by the signal source with above-mentioned various audio-video signals
Receive these signals, so signal input interface 110 can be mated with the output interface of the signal source of various audio-video signals
Various interfaces, for example, the signal source of various audio-video signals can with dvd player, high definition dvd player, Blu-ray player, have
The Set Top Box of line TV, the Set Top Box of satellite television, computer etc., signal input interface 110 can be accordingly hdmi interface,
At least one interface in the interfaces such as sdi interface, dvi interface, dp interface etc..
Because multi-media signal is mismatched with a whdi baseband chip 130, it will be many for needing by first interface chip 120
Media signal is converted to the parallel digital signal mating with a whdi baseband chip 130, for different types of multimedia letter
Number, the first interface chip 120 of convert multimedia signal is different, for example, correspond to hdvi signal, dvi signal, dp signal etc. many
Media signal, first interface chip 120 can be hdmi interface chip, dvi interface chip, dp interface chip etc..In some fields
Jing Zhong, multi-media signal can be met the hdmi signal of hdmi1.4 standard or meet smpte (the society of
Motion picture and television engineers) the sdi signal of standard or meet itu
The sdi signal of (international telecommunication union, International Telecommunication Union) standard, first interface core
Piece 120 is ite6604 chip, can be converted to multi-media signal and meet cea-861 standard (consumer electronics
Association, American Electronic consumer goods manufacturers association, " the uncompressed digital video standard " of formulation) Parallel Digital letter
Number.Multi-media signal can also be the video data of other standards, and the application is not restricted to this.
When signal input interface 110 includes two or more interface, in order to avoid obscuring each signal input interface input
Multi-media signal, transmitting terminal 100 can also include signaling switch module, described signaling switch module respectively with various first interfaces
Chip 120 and a whdi baseband chip 130 connect, for alternatively by one of multiple first interface chips 120 interface
Chip is turned on a whdi baseband chip 130.Phase can be turned in the corresponding moment according to the signal transmission demand in various types of signal source
A kind of interface chip answered and a whdi baseband chip 130, realize the signal corresponding to a kind of interface chip of conducting is passed
Defeated.According to the demand of practical application, signaling switch module can be in programming device, and this programming device can be fpga
(field programmable gate array, i.e. field programmable gate array) or cpld (complex programmable
Logic device, CPLD) etc..
Receive a whdi baseband chip 130 of parallel digital signal, can be used for described parallel digital signal is carried out
Lossless compress, the signal after lossless compress is modulated process, the signal after modulation treatment is carried out with digital-to-analogue conversion, generating mould
Intend signal, the most described analogue signal sends to radio frequency sending module 140, this modulation treatment is that digital modulation is processed.Radio frequency
Sending module 140 and then the radio frequency network described analogue signal of transmission to 40mhz bandwidth in 4.9 to 5.8ghz frequency range.Wherein, no
The compression ratio damaging compression can be 2:1 to 5:1, and a whdi baseband chip 130 is related to whdi (wireless home
Digital interface, i.e. wireless family digital interface), whdi sets the new of a wireless high definition video connection
Standard, provides a high-quality, the no radio connection of compression.Using mimo technology and the modulation system of ofdm can be real
Now it is up to the transfer rate of 3gbps, be operated in the radio frequency network of 4.9ghz～5.875ghz frequency range.During practical application, first
Whdi baseband chip 130 can be amn2120 chip.
In some scenes, the power of the analogue signal that a whdi baseband chip 130 generates is less, is insufficient for growing
Distance Transmission demand, and data volume is big, and radio frequency transmission takes big, in order to realize the quick distance elaboration of analogue signal
Ask, radio frequency sending module 140 can include mimo and send chip, multiple power amplifier and multiple transmitting antenna, each power
Amplifier connects described mimo respectively and sends chip and a transmitting antenna, and described Receiver Module includes multiple reception antennas
The mimo being connected with multiple reception antennas respectively receives chip.
First whdi baseband chip 130 be additionally operable to by the analogue signal of generation be converted to multichannel analog signals be sent to described
Mimo sends chip, and described mimo sends chip and will send to power amplifier after the analogue signal analog-modulated of every road, each work(
Rate amplifier receives a road analogue signal, by the transmitting antenna of connection to institute after the road analogue signal power amplification that will receive
State radio frequency network to send.Described mimo receives chip and receives multichannel analog signals that multiple reception antennas receive and will receive
It is sent to the 2nd whdi baseband chip 220 after multichannel analog signals demodulation.
Wherein, power amplifier power consumption can be within 6w, and transmitting terminal 100 can far reach 1km with the distance of receiving terminal 200.And mimo sends out
Send chip can be max2850 chip, i.e. 5ghz, 4 passage mimo transmitters, and mimo (multiple-input
Multiple-output) technology can in transmitting terminal 100 receiving terminal 200 respectively using multiple transmitting antennas and reception antenna, thus
Improve communication quality, space resources can be made full use of, realize MIMO by multiple antennas, do not increase frequency spectrum resource and sky
In the case of line transmission power, system channel capacity can be increased exponentially, reduce propagation delay time, improve transfer rate.
For receiving terminal 200:
In the embodiment of the present application, Receiver Module 210 can be by 40mhz bandwidth in described 4.9 to 5.8ghz frequency range
The analogue signal that sends of radio frequency network receiving end/sending end 100 and by described analogue signal to the 2nd whdi baseband chip 220
Send.Wherein Receiver Module 210 can include multiple reception antennas and the mimo reception core being connected with each reception antenna
Piece, it can be max2851 chip that mimo receives chip, i.e. 5ghz, 5 passage mimo receptors.
2nd whdi baseband chip 220 can be used for described analogue signal is carried out with analog digital conversion, to analog digital conversion after
Signal is demodulated processing, carries out decompression to the signal after demodulation process, is reduced into parallel digital signal, then to second
Interface chip 230 sends described parallel digital signal.Described parallel digital signal and input the first whdi base band in transmitting terminal 100
The parallel digital signal of chip 130 is corresponding.During practical application, the 2nd whdi baseband chip 220 can be amn2220 chip.
Receive the second interface chip 230 of described parallel digital signal, described parallel digital signal can be converted to many
Media signal simultaneously sends described multi-media signal to signal output module 240.Wherein, second interface chip 230 include with down to
A kind of few interface chip: hdmi interface chip, dvi interface chip, dp interface chip, for example: hdmi interface chip ite6613.
Accordingly, signal output module 240 can include signal output interface, and described signal output interface includes following at least one and connects
Mouthful:
Hdmi interface, dvi interface, dp interface.
After signal output module 240 receives described multi-media signal, can be directly to letter by above-mentioned signal output interface
Number playback equipment sends described multi-media signal.
In order that transmitting terminal 100 and each contained device of receiving terminal 200 and module are capable of the operation of more coordination, transmitting terminal
100 and receiving terminal 200 can include a microcontroller respectively, for example, transmitting terminal 100 includes the first microcontroller, receiving terminal 200
Including the second microcontroller:
Described first microcontroller sends mould with first interface chip 120, a whdi baseband chip 130 and radio frequency respectively
Block 140 connects, for sending accordingly to first interface chip 120, a whdi baseband chip 130 and radio frequency sending module 140
Control signal, for example: the first microcontroller reads and writes the depositor of first interface chip 120 by i2c agreement, control and first connect
Mouth chip 120 runs；Communicated with a whdi baseband chip 130 and radio frequency sending module 140 by spi agreement, control first
Whdi baseband chip 130 and radio frequency sending module 140.
Described second microcontroller respectively with Receiver Module 210, the 2nd whdi baseband chip 220, second interface core
Piece 230 and signal output module 240 connect, for Receiver Module 210, the 2nd whdi baseband chip 220, second interface
Chip 230 and signal output module 240 send corresponding control signal.
From above-described embodiment, sent by the first interface chip of transmitting terminal, a whdi baseband chip and radio frequency
Module, the multi-media signal inputting a signal into interface is converted to analogue signal to radio frequency network transmission, then passes through receiving terminal
Receiver Module, the 2nd whdi baseband chip, second interface chip and signal output module, receive from radio frequency network and send
The signal that end sends, and the analogue signal of reception is converted to multi-media signal output, multimedia letter is transmitted by radio frequency network
Number, the restriction to signal transmission bandwidth and transmission range is low, and carries out lossless compress to multi-media signal, therefore can reduce signal
Time delay, raising signal play quality and signal transmission distance.
Additionally, can transmit high-definition video signal using the RF-wise of lossless compress, the bandwidth of transmission can meet overall height
The data bandwidth requirement of clear 1080p60 form, it is adaptable to more professional video image is applied, meets higher level HD video and passes
Defeated demand.
And support that hdmi interface, sdi interface, dvi interface and dp interface select the multi-media signal of input respective type, with
When can by hdmi interface, dvi interface, dp interface select output, have more preferable compatibility in different application scenarios.
In some application scenarios, need the sdi signal of sdi signal source output is used repeatedly, and sdi signal source is only
There is a signal output port, it is impossible to input again after the signal transmitting apparatus in sdi signal input above-described embodiment of output
Other signal receivers it is difficult to realize the recycling of sdi signal, in order to solve this problem, can be in the signal of the application
The ring that the transmitting terminal of transmitting device realizes sdi signal goes out, you can the sdi signal of input is separated a road output, specifically can be found in
Accompanying drawing 2, Fig. 2 is another embodiment block diagram of the application signal transmitting apparatus:
As shown in Fig. 2 the signal transmitting apparatus of the present embodiment can include transmitting terminal 300 and receiving terminal 400, transmitting terminal
300 first kind signal input interfaces 310 that can include being sequentially connected, first kind interface chip 320, signaling switch module 330,
First whdi baseband chip 340 and radio frequency sending module 350, sdi interface 360 that transmitting terminal 300 can also include being sequentially connected,
Sdi interface chip 370, driver 380 and sdi ring outgoing interface 390, sdi interface chip 370 is also with signaling switch module 330 even
Connect.Receiver Module 410 that receiving terminal 400 can include being sequentially connected, the 2nd whdi baseband chip 420, second interface core
Piece 430 and signal output module 440.
For transmitting terminal 300:
In the embodiment of the present application, first kind signal input interface 310 and sdi interface 360 are respectively connected to first kind multimedia
First kind multi-media signal and sdi are believed by signal and sdi signal, first kind interface chip 320 and sdi interface chip 370 respectively
Number be converted to parallel digital signal and send to signaling switch module 330, signaling switch module 330 be used for selecting one by first
In class interface chip 320, any one interface chip or sdi interface chip 370 are turned on a whdi baseband chip 340, realize appointing
A kind of first kind multi-media signal or the transmission of sdi signal.Wherein first kind multi-media signal can be hdvi signal, dvi letter
Number, dp signal etc., the first kind signal input interface 310 accessing first kind multi-media signal can include hdmi interface, dvi connects
At least one interface in the interfaces such as mouth, dp interface, first kind interface chip 320 can include hdmi interface chip, dvi interface
At least one interface chip in the chips such as chip, dp interface chip.
The sdi signal that sdi interface chip 370 can be also used for receiving sdi interface 360 is converted to the sdi of difference form
Signal simultaneously sends the sdi signal of described difference form to driver 380, and driver 380 is by the sdi signal of described difference form
Be converted to the sdi signal of high speed serialization and send to sdi ring outgoing interface 390, sdi ring outgoing interface 390 is by described high speed serialization
Sdi hoop goes out, and can ring go out to other signal receivers, makes sdi signal repeat to be utilized by other signal receivers described.
In a certain application scenarios, sdi interface chip 370 is interface chip gs2971, first kind signal input interface 310
For hdmi interface, first kind interface chip 320 is hdmi interface chip ite6604, and signaling switch module 330 is FPGA
Chip lmcxo2 1200, driver 380 is chip gv8500.
The Receiver Module 410 of the first whdi baseband chip 340, radio frequency sending module 350 and receiving terminal 400,
Two whdi baseband chips 420, second interface chip 430 and signal output module 440, the whdi in respective figure 1 respectively
The Receiver Module 210 of baseband chip 130, radio frequency sending module 140 and receiving terminal 200, the 2nd whdi baseband chip
220th, second interface chip 230 and signal output module 240, will not be described here.
In some examples, the parallel digital signal due to the 2nd whdi baseband chip output is only capable of by part of interface chip
Receive, such as hdmi interface chip, for the interface of the parallel digital signal that cannot directly receive the 2nd whdi baseband chip output
Chip, such as sdi interface chip, if desired sdi interface chip parallel digital signal is converted to sdi signal, defeated by sdi interface
Go out to sdi signal player device, can be found in Fig. 3, Fig. 3 is another embodiment block diagram of the application signal transmitting apparatus:
As shown in figure 3, the signal transmitting apparatus of the present embodiment can include transmitting terminal 500 and receiving terminal 600, transmitting terminal
500 signal input interfaces 510 that can include being sequentially connected, first interface chip 520, a whdi baseband chip 530 and penetrate
Frequency sending module 540, Receiver Module 610 that receiving terminal 600 can include being sequentially connected, the 2nd whdi baseband chip 620,
Second interface chip 630 and signal output module, signal output module includes the 5th interface chip 641, the 6th interface chip 642
With the 2nd sdi interface 643, the 5th interface chip 641 is connected with second interface chip 630 and the 6th interface chip 642 respectively, and
Six interface chips 642 are connected with the 2nd sdi interface 643.
In the embodiment of the present application, the Receiver Module 610 of transmitting terminal 500 and receiving terminal 600, the 2nd whdi base band
Chip 620, second interface chip 630, respectively with the Receiver Module of transmitting terminal and receiving terminal in accompanying drawing 1 or accompanying drawing 2,
2nd whdi baseband chip, second interface chip are corresponding, will not be described here.
For signal output module, its 5th contained interface chip 641 is many for export second interface chip 630
Media signal is converted to parallel digital signal and sends to the 6th interface chip 642, and the 6th interface chip 642 is used for receiving
Parallel digital signal be converted to sdi signal and send described sdi signal, the 2nd sdi interface 643 to the 2nd sdi interface 643
Can be by described sdi signal output to sdi signal player device.
In other examples, the transmitting terminal of signal transmitting apparatus not only needs sdi interface chip to turn parallel digital signal
It is changed to sdi signal, sdi signal player device is exported by sdi interface in addition it is also necessary to described parallel digital signal can be directly received
Part of interface chip, parallel digital signal is converted to the multi-media signal of other forms, is transferred to other multi-media signals
Playback equipment, for realizing above-mentioned functions, can be found in Fig. 4, and Fig. 4 is another embodiment block diagram of the application signal transmitting apparatus:
As shown in figure 4, the signal transmitting apparatus of the present embodiment can include transmitting terminal 700 and receiving terminal 800, transmitting terminal
700 signal input interfaces 710 that can include being sequentially connected, first interface chip 720, a whdi baseband chip 730 and penetrate
Frequency sending module 740, Receiver Module 810 that receiving terminal 800 can include being sequentially connected, the 2nd whdi baseband chip 820,
Second interface chip 830 and signal output module, signal output module includes signal output interface 841, signal splits module
842nd, the 3rd interface chip 843, the 4th interface chip 844 and a sdi interface 845, signal splits module 842 respectively with second
Interface chip 830, the 3rd interface chip 843 and signal output interface 841 connect, the 3rd interface chip 843 and the 4th interface core
Piece 844 connects, and the 4th interface chip 844 is connected with a sdi interface 845.
In the embodiment of the present application, the Receiver Module 810 of transmitting terminal 700 and receiving terminal 800, the 2nd whdi base band
Chip 820, second interface chip 830, respectively with the Receiver Module of transmitting terminal and receiving terminal in accompanying drawing 1 or accompanying drawing 2,
2nd whdi baseband chip, second interface chip are corresponding, will not be described here.
For signal output module, it is many for export second interface chip 830 that its contained signal splits module 842
Media signal is split as two-way multi-media signal, two-way multi-media signal Zhong mono- road multi-media signal is transferred to signal output
Interface 841, another road multi-media signal is transferred to the 3rd interface chip 843, signal output interface 841 can be by described multimedia
Signal output is to multi-media signal playback equipment.Wherein signal output interface 841 can include following at least one interface: hdmi
Interface, dvi interface, dp interface.
3rd interface chip 843 is used for for receive one road multi-media signal being converted to parallel digital signal and to the
Four interface chips 844 send, and the 4th interface chip 844 is used for for the parallel digital signal of reception being converted to sdi signal and to the
One sdi interface 845 sends described sdi signal, and described sdi signal output to sdi signal can be play and set by a sdi interface 845
Standby.
In a certain application scenarios, second interface chip 830 is hdmi interface chip ite6613, signal output interface 841
Be hdmi interface, signal split module 842 be p13hdmi42ad, the 3rd interface chip 843 be hdmi interface chip ite6604,
4th interface chip 844 is sdi interface chip gs2971.The multi-media signal of second interface chip 830 output is hdmi signal,
I.e. 4 road tmds signal.
During practical application, signal splits 4 tunnels that module 842 is used for exporting second interface chip 830
Tmds signal is split as 8 road tmds signals, by 4 road tmds signal transmissions in 8 road tmds signals to signal output
Interface 841, by another 4 road tmds signal transmissions to the 3rd interface chip 843, signal output interface 841 can will be defeated for 4 road tmds signals
Go out to hdmi signal player device.
3rd interface chip 843 is used for receive 4 road tmds signals being converted to parallel digital signal and connecing to the 4th
Mouthful chip 844 sends, and the 4th interface chip 844 is used for for the parallel digital signal of reception being converted to sdi signal and to first
Sdi interface 845 sends described sdi signal, and a sdi interface 845 can be by described sdi signal output to sdi signal player device.
Those skilled in the art, after considering description and putting into practice utility model disclosed herein, will readily occur to the application
Other embodiments.The application is intended to any modification, purposes or the adaptations of the application, these modifications, use
Way or adaptations are followed the general principle of the application and are included undocumented in the art known of the application
General knowledge or conventional techniques.Description and embodiments be considered only as exemplary, the true scope of the application and spirit by under
The claim in face is pointed out.
It should be appreciated that the application is not limited to be described above and precision architecture illustrated in the accompanying drawings, and
And various modifications and changes can carried out without departing from the scope.Scope of the present application only to be limited by appended claim.
Claims (10)
1. a kind of signal transmitting apparatus are it is characterised in that include transmitting terminal and receiving terminal, and described transmitting terminal includes being sequentially connected
Signal input interface, first interface chip, a whdi baseband chip and radio frequency sending module, described receiving terminal includes connecting successively
Receiver Module, the 2nd whdi baseband chip, second interface chip and the signal output module connecing；
The multi-media signal that described first interface chip is used for receiving described signal input interface is converted to parallel digital signal；
A described whdi baseband chip is used for described parallel digital signal being carried out with lossless compress, to the signal after lossless compress
It is modulated processing, the signal after modulation treatment is carried out with digital-to-analogue conversion, generate analogue signal；
Described radio frequency sending module is used for described analogue signal being simulated with modulation and by the analogue signal after modulation to 4.9
To 5.8ghz frequency range, the radio frequency network of 40mhz bandwidth sends described analogue signal；
Described Receiver Module is used for carrying out mould by the described radio frequency network described analogue signal of reception, to described analogue signal
Quasi-solution is adjusted and is sent the analogue signal after demodulation to described 2nd whdi baseband chip；
Described 2nd whdi baseband chip is used for described analogue signal is carried out with analog digital conversion, the signal after analog digital conversion is carried out
Demodulation process, decompression is carried out to the signal after demodulation process, be reduced into parallel digital signal；
Described second interface chip is used for for the parallel digital signal of reduction gained being converted to multi-media signal and to described signal
Output module sends the multi-media signal of conversion gained.
2. device according to claim 1 is it is characterised in that described signal input interface includes following at least one connects
Mouthful: hdmi interface, dvi interface, dp interface；Described first interface chip includes following at least one interface chip: hdmi interface
Chip, dvi interface chip, dp interface chip.
3. device according to claim 2 is it is characterised in that described transmitting terminal also includes signaling switch module, described letter
Number switch module is connected with various interface chips and a described whdi baseband chip respectively, for by least one interface chip
Select one with described first whdi baseband chip conducting.
4. device according to claim 3 is it is characterised in that described signaling switch module is programming device.
5. device according to claim 4 is it is characterised in that described programming device is field programmable gate array or multiple
Miscellaneous PLD.
6. device according to claim 1 is it is characterised in that described signal input interface includes sdi interface, and described first
Interface chip includes sdi interface chip；Described transmitting terminal also includes interconnective driver and sdi ring outgoing interface；
Described sdi interface chip is connected with described driver, and described sdi interface chip is additionally operable to described sdi interface
Sdi signal is converted to the sdi signal of difference form and sends the sdi signal of described difference form, described drive to described driver
The sdi signal of described difference form is converted to the sdi signal of high speed serialization and to the transmission of described sdi ring outgoing interface, institute by dynamic device
State sdi ring outgoing interface to go out the sdi hoop of described high speed serialization.
7. device according to claim 1 sends chip, many it is characterised in that described radio frequency sending module includes mimo
Individual power amplifier and multiple transmitting antenna, each power amplifier connects described mimo respectively and sends chip and a transmitting sky
Line, described Receiver Module includes multiple reception antennas and the mimo reception chip being connected respectively with multiple reception antennas；
A described whdi baseband chip be additionally operable to by the analogue signal of generation be converted to multichannel analog signals be sent to described
Mimo sends chip, and described mimo sends chip and will send to power amplifier after the analogue signal analog-modulated of every road, each work(
Rate amplifier receives a road analogue signal, by the transmitting antenna of connection to institute after the road analogue signal power amplification that will receive
State radio frequency network to send；
Described mimo receives chip and receives the multichannel analog signals that multiple reception antennas receive the multichannel analog signals that will receive
It is sent to described 2nd whdi baseband chip after demodulation.
8. device according to claim 1 is it is characterised in that described second interface chip includes following at least one interface
Chip: hdmi interface chip, dvi interface chip, dp interface chip；Described signal output module includes signal output interface, institute
State signal output interface and include following at least one interface: hdmi interface, dvi interface, dp interface.
9. device according to claim 8 it is characterised in that described signal output module also include signal split module,
3rd interface chip, the 4th interface chip and a sdi interface；
Described signal split module respectively with described second interface chip, described 3rd interface chip and described signal output interface
Connect, for described multi-media signal is split as two-way multi-media signal, by two-way multi-media signal Zhong mono- tunnel multimedia
Signal transmission is transferred to described 3rd interface chip to described signal output interface, by another road multi-media signal；
Described 3rd interface chip is connected with described 4th interface chip, for being converted to receive one road multi-media signal
Parallel digital signal simultaneously sends to described 4th interface chip；
Described 4th interface chip is connected with a described sdi interface, for the parallel digital signal of reception is converted to sdi letter
Number and to described first sdi interface send described sdi signal.
10. device according to claim 1 it is characterised in that described signal output module include the 5th interface chip,
Six interface chips and the 2nd sdi interface；
Described 5th interface chip is connected with described second interface chip and described 6th interface chip respectively, for by multimedia
Signal is converted to parallel digital signal and sends to described 6th interface chip；
Described 6th interface chip is connected with described 2nd sdi interface, for the parallel digital signal of reception is converted to sdi letter
Number and to described 2nd sdi interface send described sdi signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620806959.9U CN205901949U (en) | 2016-07-28 | 2016-07-28 | Signal transmission device |
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| CN201620806959.9U CN205901949U (en) | 2016-07-28 | 2016-07-28 | Signal transmission device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106162228A (en) * | 2016-07-28 | 2016-11-23 | 深圳市昊源科技有限公司 | Signal transmitting apparatus |
| EP3396969A1 (en) * | 2017-04-25 | 2018-10-31 | ALi Corporation | Multi-chip connection circuit |
-
2016
- 2016-07-28 CN CN201620806959.9U patent/CN205901949U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106162228A (en) * | 2016-07-28 | 2016-11-23 | 深圳市昊源科技有限公司 | Signal transmitting apparatus |
| EP3396969A1 (en) * | 2017-04-25 | 2018-10-31 | ALi Corporation | Multi-chip connection circuit |
| CN108736911A (en) * | 2017-04-25 | 2018-11-02 | 扬智科技股份有限公司 | Multi-chip connects circuit |
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