CN207589056U - High-definition digital mixes light transmit-receive integrated machine - Google Patents
High-definition digital mixes light transmit-receive integrated machine Download PDFInfo
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Abstract
The utility model discloses a kind of high-definition digital and mixes light transmit-receive integrated machine, it includes mutually independent light sending device and optical pickup apparatus, the light sending device and optical pickup apparatus mix the optical pickup apparatus of light transmit-receive integrated machine or light sending device connection communication with the high-definition digital of distal end by single mode optical fiber respectively, and the light transmit-receive integrated machine of high-definition digital mixing of distal end mixes light transmit-receive integrated machine with the high-definition digital and is configured with identical privately owned communication protocol.The high-definition digital mixes light transmit-receive integrated machine and uses integrated design, using the privately owned communication protocol of user's self-defining, sending and receiving for signal is carried out by simple optical fiber, realize the remote transmitted in both directions to multi-path high-definition multi-media signal and audio signal, and long transmission distance, signal transmission free of losses, no-delay, reliability is very high.
Description
Technical field
The utility model belongs to Terminal Technique of Satellite Communication Earth Stations field, and in particular to a kind of high-definition digital mixed light is received
Send out all-in-one machine.
Background technology
In communication technology of satellite growing today, high-definition video signal can be transmitted by satellite channel.Satellite ground
After station receives the motor-driven station high-definition video signal in distal end, how with meeting HD video system docking a HD video there is
Access problem.Latter stage the last century 80's, simulation optical transmitter and receiver initially enter Chinese application, and Digital Optical Terminal starts within 2001
Existing, economic development of having deduced drives scientific and technological progress, and science and technology pushes the process of economic development.With scientific and technological progress, light
Fine production cost reduces, and Fibre Optical Communication Technology has clear advantage, Fibre Optical Communication Technology compared with other communication technologys in addition
A large amount of application is obtained.
Optical transmitter and receiver also obtains largely as the terminal device of transmission optical signal in satellite video system ground Yin Jiedeng fields
Application.But existing optical transmitter and receiver interface is single, using photoreactivation by the way of, image effect is poor.Disclosed utility model
Patent application CN2014107197792 discloses a kind of very high speed digital signal wireless transceiver, by transmission terminal system and connects
Receiving end subsystem is formed, and sends terminal system and receiving terminal system connects by radio communication；Send terminal system and reception
Terminal system is made of photoelectric conversion module, serioparallel exchange module, FPGA digital signal processing modules and wireless communication module,
It realizes that the very high speed digital signal with relative motion devices is wirelessly transferred with effective, reduces equipment room relative motion connecting portion
Machining accuracy needed for part, enhancing system reliability can effectively reduce equipment cost simultaneously.The device uses wireless mode
Connection, reliability is low, anti-interference is poor, and bandwidth is low, is not suitable for the transmission of high-definition video signal.
Utility model content
To solve the above problems, the utility model discloses a kind of high performance professional photoelectricity transmission equipment, i.e. high-definition digital
Light transmit-receive integrated machine is mixed, using privately owned communication protocol, is sent and received by simple optical fiber, is realized more to multi-path high-definition
The remote transmission of media signal and audio signal.
A kind of high-definition digital mixes light transmit-receive integrated machine, including mutually independent light sending device and optical pickup apparatus, institute
State the light that light sending device and optical pickup apparatus mix light transmit-receive integrated machine by single mode optical fiber with the high-definition digital of distal end respectively
Reception device or light sending device connection communication, the high-definition digital of distal end mix light transmit-receive integrated machine and are mixed with the high-definition digital
Light transmit-receive integrated machine is configured with identical privately owned communication protocol；
Light sending device includes first interface modular converter, the first FPGA module, optical transmission module, wherein：First interface
Modular converter has N number of mutually independent first interface converting unit, and first interface converting unit is by the distinct interface class of input
The serial video and audio digital signals of type are converted into parallel digital signal (the parallel digital video signal and parallel of unified form
Digital audio and video signals), and export to the first FPGA module；First FPGA module is configured with and is packaged encapsulation unit, serdes is sent
Unit and N number of first buffer unit and N number of first audio and video processing unit, and at the first buffer unit and the first audio and video
Unit is managed to correspond with first interface converting unit；It is defeated that first buffer unit stores corresponding first interface converting unit
The parallel digital signal gone out；First audio and video processing unit is at the parallel digital signal that is stored in the first buffer unit
Reason；Encapsulation unit is packaged according to privately owned communication protocol by the multidiameter delay digital signal after each first audio and video processing unit processes
It is packaged by road, and is packaged into high-speed serial data (i.e. Voice and Video data packet) output to serdes transmitting elements；serdes
Transmitting element exports the high-speed serial data for encapsulating completion to optical transmission module；The high speed serialization that optical transmission module will receive
Data (electric signal) are converted to optical signal, and the high-definition digital for being sent to distal end mixes the light-receiving dress in light transmit-receive integrated machine
It puts；
Optical pickup apparatus includes optical receiver module, the second FPGA module, second interface modular converter, wherein:Light-receiving mould
The high-definition digital that block receives distal end mixes the optical signal that the light sending device in light transmit-receive integrated machine is sent, and optical signal is converted
It is exported afterwards to the second FPGA module for high-speed serial data (electric signal)；Second FPGA module be configured with serdes receiving units,
Second buffer unit, unpack separative element and M the second audio and video processing units；Serdes receiving units receive light-receiving
The high-speed serial data of module output is simultaneously stored in the second buffer unit；Separative element of unpacking will be encapsulated according to privately owned communication protocol
High-speed serial data unseal again unpack and be reduced into multidiameter delay digital signal (i.e. parallel digital video signal and and line number
Word audio signal), simultaneously line number is then incited somebody to action according to preset distribution mechanism (allocation rule being set in advance according to user command)
Word signal is assigned to corresponding second audio and video processing unit；Second audio and video processing unit to the parallel digital signal of distribution into
Row processing, and exported after having handled to second interface modular converter；Second interface modular converter has multiple mutually independent
The parallel digital signal that second audio and video processing unit exports is converted by second interface converting unit, second interface converting unit
The serial video and audio digital signals of different interface type.
As a preferred embodiment, the content of privately owned communication protocol includes leading, DATA (message), PCS (verification and) three
A part, message include privately owned head and audio, video data, and privately owned head includes the ID marks for distinguishing each road parallel digital signal
Know.
As a preferred embodiment, the packing encapsulation unit is single by the processing of each first audio and video according to privately owned communication protocol
Treated that multidiameter delay digital signal includes by road for member：It is packaged packet header of the encapsulation unit in each road parallel digital signal
Different ID marks are noted to distinguish to show；
The separative element of unpacking unseals the high-speed serial data of encapsulation according to privately owned communication protocol again to be unpacked and goes back
Original includes into multidiameter delay digital signal：Separative element of unpacking is identified according to the ID in the packet header of each road parallel digital signal will at a high speed
Serial data unseals and is reduced into multidiameter delay digital signal.
As a preferred embodiment, the parallel digital signal of the unified form refers to：The digital video of BT1120 forms
The digital audio and video signals of signal and I2S forms.
As a preferred embodiment, interface type includes DVI/HDMI interfaces, and first interface converting unit is by TMDS signals
Input is converted into BT1120 vision signals and I2S audio signals, and second interface converting unit is by BT1120 vision signals and I2S sounds
Frequency signal is converted to the output of TMDS signals；
Interface type further includes SDI interfaces, and sdi signal input is converted into BT1120 videos and believed by first interface converting unit
Number and I2S audio signals, it is defeated that BT1120 vision signals and I2S audio signals are converted to sdi signal by second interface converting unit
Go out.
As a preferred embodiment, HD/3G signal standards, automatic identification input format are supported in SDI interfaces input；DVI connects
A variety of resolution ratio are supported in mouth input, and a variety of difference output resolution ratios are supported in SDI interfaces and DVI interface output.
As a preferred embodiment, the first audio and video processing unit in the first FPGA module carries out parallel digital signal
Processing includes carrying out vision signal color gamut conversion and carries out sample rate conversion to audio signal；
The second audio and video processing unit in second FPGA module carries out the parallel digital signal of distribution processing and includes pair
The scaler scalings of vision signal and the volume adjustment to audio signal.
As a preferred embodiment, M and N are no more than 8, and do not require equal.
As a preferred embodiment, the single mode optical fiber is with being no more than 60Km.
As a preferred embodiment, which also has the function of the LED state instruction for carrying out fault location, including
Power supply status is used to indicate, optical module sends and receivees state, status input signal and output state signal.
High-definition digital disclosed in the utility model mixes light transmit-receive integrated machine compared to optical transmitter and receiver tool common in the market
There is following advantageous effect：
1) receiving and sending equipment uses integrated design, can be connect by simple optical fiber with the receiving and sending equipment of distal end logical
Letter, during practical application, field wiring is simple, and equipment control and cable is facilitated to connect, and can realize multi-path high-definition video and audio
Transmitted in both directions, and long transmission distance, signal transmission free of losses, no-delay, reliability is very high.
2) audio and video are transmitted using privately owned communication protocol, and using the distribution output of preset distribution mechanism.It is privately owned logical
Believe that agreement and distribution mechanism can carry out flexible design according to user demand.
3) transmission bandwidth of Voice and Video is dynamically adapted, safe, transmission delay is small；It can be according to user demand tune
The colour gamut and resolution ratio of whole vision signal, adjust sample rate and volume of audio signal etc..
4) transmitting-receiving port have supporting interface type enrich, interface quantity it is more, support it is full HD, integrated level is high the characteristics of；
Specifically, each input/output port can support the video interfaces type such as SDI, DVI, HDMI, each interface can prop up
Highest 1080p60 resolution ratio is held, and supports embedded audio input output function.
5) the series optical transmitter and receiver performance is stable, image quality is clear, stability is high, indicates, can intuitively show with LED state
Optical transmitter and receiver working condition.
6) a kind of perfect solution can be provided with docking for meeting HD video system for ground satellite station HD video system
Certainly scheme.
Description of the drawings
Fig. 1 is that number mixes light transmit-receive integrated machine system composition schematic diagram in embodiment；
Fig. 2 is that number mixes light transmit-receive integrated machine circuit system block diagram in embodiment；
In Fig. 3：(a) schematic diagram is formed for privately owned communication protocol, (b) forms schematic diagram for privately owned head；
Fig. 4 is the interface modular converter of HDMI/DVI interfaces；
Fig. 5 is the interface modular converter of SDI interfaces；
Connection part 1s of the Fig. 6 between FPGA module 2 and interface modular converter 1；
Connection part 2s of the Fig. 7 between FPGA module 2 and interface modular converter 1；
Connection third portions of the Fig. 8 between FPGA module 2 and interface modular converter 1；
Connection 4th parts of the Fig. 9 between FPGA module 2 and interface modular converter 1；
Connection 5th parts of the Figure 10 between FPGA module 2 and interface modular converter 1；
Connections of the Figure 11 between FPGA module 2 and optical module 3；
Figure 12 is optical transmission module；
Figure 13 is optical receiver module；
Connection part 1s of the Figure 14 between FPGA5 and interface modular converter 6；
Connection part 2s of the Figure 15 between FPGA 5 and interface modular converter 6；
Connection third portions of the Figure 16 between FPGA5 and interface modular converter 6；
Connection 4th parts of the Figure 17 between FPGA5 and interface modular converter 6；
Connection 5th parts of the Figure 18 between FPGA 5 and interface modular converter 6；
Figure 19 is the interface modular converter of HDMI/DVI interfaces；
Figure 20 is the interface modular converter of SDI interfaces.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is further explained explanation to the technical solution of the utility model.
With reference to shown in Fig. 1 to Figure 20, a kind of high-definition digital disclosed in embodiment mixes light transmit-receive integrated machine (referred to as one
Machine), including a light sending device being integrated in same equipment and an optical pickup apparatus, the light in all-in-one machine sends dress
It puts and passes through optical pickup apparatus and light sending device connection communication in single mode optical fiber and distal end all-in-one machine, single mode with optical pickup apparatus
Optical fiber transmits maximum distance 60Km, and the all-in-one machine of distal end is configured with identical privately owned communication protocol with local all-in-one machine.One
Between interior light sending device and optical pickup apparatus independently of each other, it does not contact each other.
With reference to shown in Fig. 1 and Fig. 2, light sending device mainly includes interface modular converter 1, transmitting terminal FPGA2, light and sends mould
Block 3.
The serial digital signal that interface modular converter 1 completes different interface type is believed to the Parallel Digital with unified form
Number conversion.In embodiment, interface modular converter 1 has 8 interface conversion units (i.e. interface conversion unit 1.1~1.8), connects
HDMI/DVI interface conversion circuits and SDI interface conversion circuits can be configured in mouth converting unit according to demand, and 8 tunnels of input are different
The video and audio signal of interface type are converted into the parallel digital video of BT1120 forms and the parallel audio letter of I2S forms
Number, and export to transmitting terminal FPGA2.
Wherein, interface type mainly includes DVI/HDMI interfaces or SDI interfaces, corresponds to DVI/HDMI or SDI videos respectively
And audio input signal.HD/3G signal standards, automatic identification input format are supported in the input of SDI interfaces；DVI interface supports 640*
480th, the various resolution ratio such as 1024*768,1280*720,1920*1080；A variety of different outputs point are supported in the output of SDI/DVI interfaces
Resolution.
Transmitting terminal FPGA2 includes 8 buffer units (i.e. buffer unit 21.1~21.8), and 8 audio and video processing units are (i.e.
Audio and video processing unit 22.1~22.8), it is packaged encapsulation unit 23, serdes transmitting elements 24.Buffer unit storage is right with it
The parallel digital signal of interface conversion unit output answered.Audio and video processing unit is into the colour gamut of vision signal in line buffer unit
The sample rate of conversion and audio signal is converted.Wherein, the purpose of color gamut conversion is to turn the video from different input interfaces
It changes the signal of same colour gamut into, facilitates subsequent processing；The purpose of audio sample rate conversion is the audio from distinct interface
The signal of same sample rate is converted into, facilitates subsequent processing.Being packaged encapsulation unit 23 will be after multiple audio and video processing unit processes
Parallel digital signal be packaged by road, and different ID mark is marked in the packet header of each road signal to show area according to privately owned communication protocol
Point, it is then packaged as high-speed serial data.The high-speed serial data for encapsulating completion is exported light extremely by serdes transmitting elements 24
Sending module 3.
Optical transmission module 3 realizes electric signal to the conversion function of optical signal, it can be achieved that long range, the transmission of high reliability.
Specifically, the high-speed serial data received (electric signal) is converted to optical signal by it, and it is sent to distal end high-definition digital mixing
Optical pickup apparatus in light transmit-receive integrated machine.
As shown in figure 4, the video that TMDS signals are converted to BT1120 forms by HDMI/DVI interface conversion circuits is believed
Number and I2S forms audio signal and be sent to transmitting terminal FPGA2, to carry out subsequent Voice and Video processing.As shown in figure 5,
Sdi signal is converted to by the vision signal of BT1120 forms by SDI interface conversion circuits and the audio signal of I2S forms is sent to
And transmitting terminal FPGA2, to carry out subsequent Voice and Video processing.Fig. 6 to Figure 10 shows FPGA module 2 and interface conversion mould
Five parts connected between block 1, this five parts together constitute Fig. 6 between FPGA module 2 and interface modular converter 1
Circuit connecting relation.Figure 11 shows the circuit diagram of optical transmission module 3.
Optical pickup apparatus mainly includes optical receiver module 4, receiving terminal FPGA5, interface modular converter 6.
Optical receiver module 4 realizes electric signal to the conversion function of optical signal, it can be achieved that long range, the transmission of high reliability.
It is converted to specifically, the distal end high-definition digital received is mixed the optical signal that light sending device is sent in light transmit-receive integrated machine by it
High-speed serial data (electric signal), and it is sent to receiving terminal FPGA5.
Receiving terminal FPGA5 includes serdes receiving units 51, buffer unit 52, unpack separative element 53 and 8 audio and video
Processing unit (i.e. audio and video processing unit 54.1~54.8).Serdes receiving units 51 receive the high speed from distal end all-in-one machine
Serial signal, and it is stored in buffer unit 52.Separative element 53 unpack by high-speed serial data (the i.e. Voice and Video number of encapsulation
According to packet) according to the ID marks in packet header of each road signal carry out deblocking again unpack and be reduced into 8 road parallel digital signals (including
Parallel digital video signal and Parallel Digital audio signal), then distributed according to the distribution mechanism being previously set to corresponding sound
Video processing unit.Audio and video processing unit handles the parallel digital signal being assigned to, i.e., for vision signal
Scaler is scaled, and for the volume adjustment of audio signal, and is handling output to receiving terminal interface modular converter.Wherein,
The purpose of scaler scalings is to adjust output resolution ratio size according to user demand；The purpose of volume adjustment is to facilitate user's root
According to need adjust output volume size.
Interface modular converter 6 has 8 interface conversion units (i.e. interface conversion unit 6.1~6.8), by receiving terminal
The BT1120 vision signals and I2S audio signals of the audio and video processing unit outputs of FPGA5 corresponding thereto are converted, and defeated
Go out corresponding HDMI/DVI or SDI vision signals.It should be noted that when distributing parallel digital signal, not by audio and video
The interface type limitation of the corresponding interface conversion unit output of processing unit.
Figure 13 shows the circuit diagram of optical receiver module 4.Figure 14 to Figure 18 shows FPGA module 5 and interface modular converter
Circuit connecting relation between 4.Figure 19 is HDMI/DVI interface conversion circuits, the vision signal of BT1120 forms and I2S lattice
The audio signal of formula is converted to TMDS, then by HDMI/DVI interface forms on transmission of video to corresponding real world devices.Figure
20 be SDI interface conversion circuits, and the vision signal of BT1120 forms and the audio signal of I2S forms are converted to sdi signal, then
By SDI interface forms on transmission of video to corresponding real world devices.
As shown in figure 3, the utility model proposes privately owned communication protocol, for defining light sending device and optical pickup apparatus
Between transmit data content and form.Protocol contents include three leading, DATA (message), PCS (verification and) parts.It can set
Count leading 8 bytes, 4 bytes of PCS；Privately owned head+audio, video data forms message data, and privately owned head composition is as follows：
TYPE:
0x01:video；
0x02:audio；
CH:channel.(Value:0~7)
LN:line number.(Value:0~1079) Just for video.
AR:audio rate
Wherein, the TYPE field in privately owned head represents data type；CH fields represent to record each railway digital signal
ID is identified, to distinguish each railway digital signal；LN fields represent video line number；AR fields represent audio sample rate.
The particular content and form of the privately owned communication protocol can be preset according to user demand, as long as being in communication with each other
The privately owned communication protocol that is configured of all-in-one machine it is identical.For example, can also according to user demand by privately owned communication protocol from
Row defines the sequence of each road signal transmission, such as arranges from small to large.
Distribution mechanism described in the utility model refers to the allocation rule being set in advance according to user command, will receive
Multidiameter delay digital signal be assigned to corresponding second audio and video processing unit by allocation rule, that is, be input to output
Mapping table.In practical application, user can flexibly set the user command in relation to distribution mechanism according to demand, according to defeated during use
Enter the mapping table output to output.Using " input 1 to output 1 " in embodiment ... ..., " the one of " input 8 to output 8 "
To one " correspondence, the correspondence of " one-to-many " can also be used, is distributed the signal of the input 1 of transmitting terminal with realizing
Into arbitrary all the way or more the outlet line of receiving terminal.
In addition, light sending device and the signal of optical pickup apparatus that the utility model is not limited in an all-in-one machine lead to
Road number is identical, and light sending device and optical pickup apparatus in two all-in-one machines connected each other is not also required to have identical quantity
Signal path can be designed completely according to application scenarios or user demand.
Further, high-definition digital, which mixes light transmit-receive integrated machine, also has the function of LED state instruction, is used to indicate power supply shape
State, optical module send and receive state, status input signal and output state signal, and user is facilitated to carry out fault location.
Based on foregoing description, the operation principle of the all-in-one machine disclosed in embodiment is illustrated herein：
As the light sending device of input terminal, 8 road HD videos+audio signal (adapting to various high-definition interfaces), warp are received
It crosses corresponding interface conversion chip ASSP and is parsed into BT1120+I2S signals, and be supplied to Xilinx FPGA, Xilinx FPGA
After color gamut conversion, scaling processing, video and audio sync uniform packing are packaged into 10G letters according to privately owned communication protocol
Number, then exported by high speed serdes transmitting elements to optical transmission module, the high definition of distal end is then supplied to by single mode optical fiber
Number mixes the output terminal in light transmit-receive integrated machine.
As the optical pickup apparatus of output terminal, after receiving 10G signals by optical receiver module, by Xilinx FPGA
Again deblocking is unpacked, according to the ID marker extractions of privately owned communication protocol middle wrapping head to 8 road BT.1120+I2S signals, by sequential
After carrying out audio and video processing after adjustment, corresponding interface conversion chip ASSP is then then sent through, corresponding high-definition interface is exported and regards
Frequency signal, audio I2S signals export two-channel analogue audio frequency by DAC, display equipment are transmitted to finally by corresponding interface
On.
The device has integrated level high, safe and reliable, long transmission distance, rich interface, configuration flexibly etc. especially, Ke Yiman
The docking of various input-output equipment between the motor-driven station of sufficient satellite earth receiving station and distal end.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of high-definition digital mixes light transmit-receive integrated machine, which is characterized in that is connect including mutually independent light sending device and light
Receiving apparatus, the light sending device and optical pickup apparatus pass through single mode optical fiber and the high-definition digital mixed light of distal end transmitting-receiving one respectively
The optical pickup apparatus of body machine or light sending device connection communication, the high-definition digital of distal end mix light transmit-receive integrated machine and the high definition
Number mixes light transmit-receive integrated machine and is configured with identical private
There is communication protocol；
Light sending device includes first interface modular converter, the first FPGA module, optical transmission module, wherein：First interface is converted
Module has N number of mutually independent first interface converting unit, and first interface converting unit is by the different interface type of input
Serial video and audio digital signals are converted into the parallel digital signal of unified form, and export to the first FPGA module；
First FPGA module, which is configured with, is packaged encapsulation unit, serdes transmitting elements and N number of first buffer unit and N number of the
One audio and video processing unit, and the first buffer unit and the first audio and video processing unit and first interface converting unit one are a pair of
It should；
First buffer unit stores the parallel digital signal of corresponding first interface converting unit output；
First audio and video processing unit handles the parallel digital signal stored in the first buffer unit；
Encapsulation unit is packaged to believe the multidiameter delay number after each first audio and video processing unit processes according to privately owned communication protocol
It number is packaged by road, and is packaged into high-speed serial data and exports to serdes transmitting elements；
Serdes transmitting elements export the high-speed serial data for encapsulating completion to optical transmission module；
The converting high-speed serial received is changed to optical signal by optical transmission module, and is sent to the high-definition digital mixed light of distal end
Optical pickup apparatus in transceiver machine；
Optical pickup apparatus includes optical receiver module, the second FPGA module, second interface modular converter, wherein：Optical receiver module connects
The high-definition digital for receiving distal end mixes the optical signal that the light sending device in light transmit-receive integrated machine is sent, and convert optical signals to height
It is exported after fast serial data to the second FPGA module；
Second FPGA module is configured with serdes receiving units, the second buffer unit, unpack separative element and M the second sounds
Video processing unit；
Serdes receiving units receive the high-speed serial data of optical receiver module output and are stored in the second buffer unit；
Separative element of unpacking unseals the high-speed serial data of encapsulation according to privately owned communication protocol again unpacks and is reduced into multichannel
Then parallel digital signal is assigned to corresponding second audio and video according to preset distribution mechanism and handles list by parallel digital signal
Member；
Second audio and video processing unit handles the parallel digital signal of distribution, and is exported after having handled to second interface
Modular converter；
Second interface modular converter has multiple mutually independent second interface converting units, and second interface converting unit is by second
The parallel digital signal of audio and video processing unit output is converted into the serial video and audio digital signals of different interface type.
2. high-definition digital as described in claim 1 mixes light transmit-receive integrated machine, which is characterized in that the privately owned communication protocol
Content includes three leading, DATA (message), PCS (verification and) parts, and message includes privately owned head and audio, video data, privately owned head
Include the ID marks for distinguishing each road parallel digital signal.
3. high-definition digital as claimed in claim 2 mixes light transmit-receive integrated machine, which is characterized in that
The packing encapsulation unit is according to privately owned communication protocol by the multidiameter delay number after each first audio and video processing unit processes
Word signal includes by road：It is packaged encapsulation unit and different ID marks is marked in the packet header of each road parallel digital signal to show area
Point；
The separative element of unpacking unseals the high-speed serial data of encapsulation according to privately owned communication protocol again to be unpacked and is reduced into
Multidiameter delay digital signal includes：Separative element of unpacking is identified according to the ID in the packet header of each road parallel digital signal by high speed serialization
Data unseal and are reduced into multidiameter delay digital signal.
4. high-definition digital as claimed in claim 1 or 2 mixes light transmit-receive integrated machine, which is characterized in that the unified form
Parallel digital signal refers to：The digital video signal of BT1120 forms and the digital audio and video signals of I2S forms.
5. high-definition digital as claimed in claim 1 or 2 mixes light transmit-receive integrated machine, which is characterized in that
The interface type includes DVI/HDMI interfaces, and the input of TMDS signals is converted into BT1120 and regarded by first interface converting unit
BT1120 vision signals and I2S audio signals are converted to TMDS and believed by frequency signal and I2S audio signals, second interface converting unit
Number output；
The interface type further includes SDI interfaces, and sdi signal input is converted into BT1120 videos and believed by first interface converting unit
Number and I2S audio signals, it is defeated that BT1120 vision signals and I2S audio signals are converted to sdi signal by second interface converting unit
Go out.
6. high-definition digital as claimed in claim 5 mixes light transmit-receive integrated machine, which is characterized in that the SDI interfaces input branch
Hold HD/3G signal standards, automatic identification input format；A variety of resolution ratio are supported in DVI interface input, the SDI interfaces and
A variety of different output resolution ratios are supported in DVI interface output.
7. high-definition digital as claimed in claim 1 or 2 mixes light transmit-receive integrated machine, which is characterized in that
The first audio and video processing unit in first FPGA module carries out parallel digital signal processing and includes believing video
Number carry out color gamut conversion and to audio signal carry out sample rate conversion；
The second audio and video processing unit in second FPGA module carries out the parallel digital signal of distribution processing and includes pair
The scaler scalings of vision signal and the volume adjustment to audio signal.
8. high-definition digital as claimed in claim 1 or 2 mixes light transmit-receive integrated machine, which is characterized in that the M and N are little
In 8, and do not require equal.
9. high-definition digital as claimed in claim 1 or 2 mixes light transmit-receive integrated machine, which is characterized in that the single mode optical fiber with
No more than 60Km.
10. high-definition digital as claimed in claim 1 or 2 mixes light transmit-receive integrated machine, which is characterized in that also has to carry out
The LED state instruction function of fault location, including being used to indicate power supply status, optical module sends and receivees state, input signal
State and output state signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721700731.2U CN207589056U (en) | 2017-12-08 | 2017-12-08 | High-definition digital mixes light transmit-receive integrated machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721700731.2U CN207589056U (en) | 2017-12-08 | 2017-12-08 | High-definition digital mixes light transmit-receive integrated machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207589056U true CN207589056U (en) | 2018-07-06 |
Family
ID=62736246
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721700731.2U Expired - Fee Related CN207589056U (en) | 2017-12-08 | 2017-12-08 | High-definition digital mixes light transmit-receive integrated machine |
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| CN (1) | CN207589056U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846581A (en) * | 2017-12-08 | 2018-03-27 | 熊猫电子集团有限公司 | High-definition digital mixes light transmit-receive integrated machine |
| CN112134619A (en) * | 2020-09-23 | 2020-12-25 | 北京冠华天视数码科技有限公司 | Method for realizing single-fiber bidirectional transmission between play controller and display terminal |
-
2017
- 2017-12-08 CN CN201721700731.2U patent/CN207589056U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846581A (en) * | 2017-12-08 | 2018-03-27 | 熊猫电子集团有限公司 | High-definition digital mixes light transmit-receive integrated machine |
| CN112134619A (en) * | 2020-09-23 | 2020-12-25 | 北京冠华天视数码科技有限公司 | Method for realizing single-fiber bidirectional transmission between play controller and display terminal |
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