CN103281503B - The input method of multichannel 4Kx2K signal - Google Patents
The input method of multichannel 4Kx2K signal Download PDFInfo
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- CN103281503B CN103281503B CN201310258647.XA CN201310258647A CN103281503B CN 103281503 B CN103281503 B CN 103281503B CN 201310258647 A CN201310258647 A CN 201310258647A CN 103281503 B CN103281503 B CN 103281503B
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Abstract
The present invention provides input unit and the input method of a kind of multichannel 4Kx2K signal.For the problem that the input mode of current 4Kx2K signal is more single.nullThe input unit of the multichannel 4Kx2K signal of the present invention，Including the Scalar chip being connected with less than 1080P signal input interface、HDMI1.4 interface and described Scalar chip connect HDMI2:1 switch，Described HDMI2:1 switch connects FPGA mainboard by R/G/B signal，Also include that the HDMI being connected with four HDMI1.3 interfaces turns Serdes plate，Described HDMI turns Serdes plate and connects Serdes2:1 switch，The described FPGA mainboard described in Serdes2:1 switch connection，Also include that the DP1.2 being connected with DP1.2 interface turns Serdes plate，Described DP1.2 turns the Serdes2:1 switch described in the connection of Serdes plate，The described FPGA mainboard described in Serdes2:1 switch connection.4Kx2K signal of the present invention is for the input of 4Kx2K signal, and versatility is good.
Description
Technical field:
The present invention relates to input unit and the input method of a kind of multichannel 4Kx2K signal, belong to video display technology field.
Background technology:
4Kx2K shows and the most gradually enters into the application stage, but the input of 4Kx2K signal but becomes an obstacle of current 4Kx2K application, general 4Kx2K shows product, its panel resolution all reaches the resolution ratio of 3840*2160, the refresh rate of a lot of panels is both greater than 60Hz, but the display product above existing market, the input of its 4Kx2K signal refers mainly to the interface of single HDMI1.4, refresh rate under its 4Kx2K resolution ratio only has 24Hz, can not be by the performance of panel to maximum, and the input mode of 4Kx2K signal is the most single, transmitting terminal performance is proposed the highest requirement.
Summary of the invention:
It is an object of the invention to provide for the problem of above-mentioned existence input unit and the input method of a kind of multichannel 4Kx2K signal, greatly reduce the performance requirement of transmitting terminal, applied widely, by the performance of 4Kx2K display floater to maximum.
Above-mentioned purpose is realized by following technical scheme:
nullThe input unit of multichannel 4Kx2K signal，Including the Scalar chip being connected with less than 1080P signal input interface、HDMI1.4 interface and described Scalar chip connect HDMI2:1 switch，Described HDMI2:1 switch connects FPGA mainboard by R/G/B signal，Also include that the HDMI being connected with four HDMI1.3 interfaces turns Serdes plate，Described HDMI turns Serdes plate and connects Serdes2:1 switch，The described FPGA mainboard described in Serdes2:1 switch connection，Also include that the DP1.2 being connected with DP1.2 interface turns Serdes plate，Described DP1.2 turns the Serdes2:1 switch described in the connection of Serdes plate，The described FPGA mainboard described in Serdes2:1 switch connection.
The input unit of described multichannel 4Kx2K signal, described Scalar chip uses model to be the chip of MST6M182XDT.
The input unit of described multichannel 4Kx2K signal, described HDMI2:1 switch includes the chip that model is ADV7619.
The input unit of described multichannel 4Kx2K signal, described Serdes 2:1 switch includes the chip that model is DS40MB200.
The input unit of described multichannel 4Kx2K signal, described HDMI turns Serdes plate and includes that 4 models are the chip of SIL9135ACTU.
The input unit of described multichannel 4Kx2K signal, described DP1.2 turns the chip that Serdes plate includes that model is STDP4020.
A kind of input method of multichannel 4Kx2K signal, the method includes:
(1) access single less than 1080P signal method: the input of signal less than 1080P is connected to Scalar chip, is digitized processing, exports finally by HDMI；
(2) access 4Kx2K signal method: when 4Kx2K signal inputs by single HDMI1.4, and the HDMI in step (1) carries out 2:1 switching and exports, and be converted to TTL and export FPGA mainboard；
When 4Kx2K signal is inputted by 4 HDMI1.3, and each input is 1920x1080P, one 4Kx2K input of 4 input synthesis, each HDMI output is converted into 1 road Serdes serial signal and exports FPGA mainboard；
When 4Kx2K signal is inputted by DP1.2,4 Lane in DP interface are converted into 4 road Serdes and export FPGA mainboard；
(3) single input less than 1080P signal and 4Kx2K signal in switching time, it is only necessary to the Scalar input signal source that switching is corresponding；When being switched to HDMIB, control corresponding HDMI 2:1 switching switch；When being switched to 4 road HDMI input, on FGPA mainboard, select from R/G/B signal and 4 road Serdes signals；When being switched to DP1.2 input, switching corresponding Serdes2:1 switching switch, described switching is switched by remote controller or button.
Beneficial effect:
1. the input method of the multichannel 4Kx2K signal that invention proposes, greatly reduces the performance requirement of transmitting terminal, simultaneously the part signal input mode in the present invention, and the refresh rate of its 4Kx2K also reaches 60Hz.Pass through the present invention, 4Kx2K input signal: DP1.2 can be inputted, HDMI1.4 inputs, 4 HDMI1.3 inputs and AV signal, VGA signal, YPbPr signal, single HDMI signal is united, freely switched by remote controller, when input is non-4Kx2K resolution ratio, by the way of amplification, drive the panel of display 4Kx2K.
2. the present invention uses the input of multichannel 4Kx2K that multiple switch switching mode formed and deposits, and applied widely, versatility is good.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of the FPGA mainboard of the present invention.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention is described further:
Embodiment 1:
nullAs shown in Figure 1-2，The input unit of the multichannel 4Kx2K signal of the present invention，Including the Scalar chip being connected with less than 1080P signal input interface、HDMI1.4 interface and described Scalar chip connect HDMI2:1 switch，Described HDMI2:1 switch connects FPGA mainboard by R/G/B signal，Also include that the HDMI being connected with four HDMI1.3 interfaces turns Serdes plate，Described HDMI turns Serdes plate and connects Serdes2:1 switch，The described FPGA mainboard described in Serdes2:1 switch connection，Also include that the DP1.2 being connected with DP1.2 interface turns Serdes plate，Described DP1.2 turns the Serdes2:1 switch described in the connection of Serdes plate，The described FPGA mainboard described in Serdes2:1 switch connection.
Embodiment 2:
The input unit of the multichannel 4Kx2K signal described in embodiment 1, described Scalar chip uses model to be the chip of MST6M182XDT.
Embodiment 3:
The input unit of the multichannel 4Kx2K signal described in embodiment 1, described HDMI2:1 switch includes the chip that model is ADV7619.
Embodiment 4:
The input unit of the multichannel 4Kx2K signal described in embodiment 1, described Serdes 2:1 switch includes the chip that model is DS40MB200.
Embodiment 5:
The input unit of the multichannel 4Kx2K signal described in embodiment 1, described HDMI turns Serdes plate and includes that 4 models are the chip of SIL9135ACTU.
Embodiment 6:
The input unit of the multichannel 4Kx2K signal described in embodiment 1, described DP1.2 turns the chip that Serdes plate includes that model is STDP4020.
A kind of input method of multichannel 4Kx2K signal, the method includes:
(1) access single less than 1080P signal method: the input of signal less than 1080P is connected to Scalar chip, is digitized processing, exports finally by HDMI；
(2) access 4Kx2K signal method: when 4Kx2K signal inputs by single HDMI1.4, and the HDMI in step (1) carries out 2:1 switching and exports, and be converted to TTL and export FPGA mainboard；
When 4Kx2K signal is inputted by 4 HDMI1.3, and each input is 1920x1080P, one 4Kx2K input of 4 input synthesis, each HDMI output is converted into 1 road Serdes serial signal and exports FPGA mainboard；
When 4Kx2K signal is inputted by DP1.2,4 Lane in DP interface are converted into 4 road Serdes and export FPGA mainboard；
(3) single input less than 1080P signal and 4Kx2K signal in switching time, it is only necessary to the Scalar input signal source that switching is corresponding；When being switched to HDMIB, control corresponding HDMI 2:1 switching switch；When being switched to 4 road HDMI input, on FGPA mainboard, select from R/G/B signal and 4 road Serdes signals；When being switched to DP1.2 input, switching corresponding Serdes2:1 switching switch, described switching is switched by remote controller or button.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned technological means, also includes the technical scheme being combined or equivalent is formed by above technical characteristic.The unaccomplished matter of the present invention, belongs to the common knowledge of those skilled in the art.
Claims (1)
1. an input method for multichannel 4Kx2K signal, is characterized in that: the method includes:
(1) access single less than 1080P signal method: the input of signal less than 1080P is connected to Scalar chip, is digitized processing, exports finally by HDMI；
(2) access 4Kx2K signal method: when 4Kx2K signal inputs by single HDMI1.4, and the HDMI in step (1) carries out 2:1 switching and exports, and be converted to TTL and export FPGA mainboard；
When 4Kx2K signal is inputted by 4 HDMI1.3, and each input is 1920x1080P, one 4Kx2K input of 4 input synthesis, each HDMI output is converted into 1 road Serdes serial signal and exports FPGA mainboard；
When 4Kx2K signal is inputted by DP1.2,4 Lane in DP interface are converted into 4 road Serdes and export FPGA mainboard；
(3) single input less than 1080P signal and 4Kx2K signal in switching time, it is only necessary to the Scalar input signal source that switching is corresponding；When being switched to HDMIB, control corresponding HDMI 2:1 switching switch；When being switched to 4 road HDMI input, on FGPA mainboard, select from R/G/B signal and 4 road Serdes signals；When being switched to DP1.2 input, switching corresponding Serdes2:1 switching switch, described switching is switched by remote controller or button.
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| CN201310258647.XA CN103281503B (en) | 2013-06-26 | 2013-06-26 | The input method of multichannel 4Kx2K signal |
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| CN105304001B (en) * | 2015-09-29 | 2018-09-07 | 武汉精测电子集团股份有限公司 | A kind of signal extension box based on SERDES |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323877A (en) * | 2011-08-31 | 2012-01-18 | 广东威创视讯科技股份有限公司 | SERDES-based video processing system |
| CN202261574U (en) * | 2011-10-13 | 2012-05-30 | 深圳市安普宝光电子有限公司 | Data integration switcher with multiple input channels |
| CN203352693U (en) * | 2013-06-26 | 2013-12-18 | 南京欧帝科技有限公司 | Multi-channel 4K*2K signal input device |
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| JP5480027B2 (en) * | 2009-06-15 | 2014-04-23 | パトリオット ファンディング エルエルシー | Universal serial bus (USB) for digital video |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323877A (en) * | 2011-08-31 | 2012-01-18 | 广东威创视讯科技股份有限公司 | SERDES-based video processing system |
| CN202261574U (en) * | 2011-10-13 | 2012-05-30 | 深圳市安普宝光电子有限公司 | Data integration switcher with multiple input channels |
| CN203352693U (en) * | 2013-06-26 | 2013-12-18 | 南京欧帝科技有限公司 | Multi-channel 4K*2K signal input device |
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