CN104469232A - HDMI signal transmission device supporting information superposition - Google Patents
HDMI signal transmission device supporting information superposition Download PDFInfo
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- CN104469232A CN104469232A CN201410570686.8A CN201410570686A CN104469232A CN 104469232 A CN104469232 A CN 104469232A CN 201410570686 A CN201410570686 A CN 201410570686A CN 104469232 A CN104469232 A CN 104469232A
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Abstract
The invention discloses an HDMI signal transmission device supporting information superposition. The HDMI signal transmission device comprises an HDMI diverter module, an HDMI conversion module, s signal superposition module, a superposition mode control module, an output mode control module and an HDMI mixing module. Original HDMI signals are input through an HDMI signal input interface. YUV signals to be superimposed are input through a YUV signal input interface. A superposition mode is input through a superposition mode control interface, and an HDMI signal output mode is input through an output mode control interface. The specified mode of the original HDMI signals and the specific mode of the YUV signal are superimposed, the HDMI signals are output according to the specific output requirement, controllable modification of the output HDMI signals is achieved, user information of the HDMI signals is embedded, and the purpose of increasing the amount of information of the output HDMI signals is achieved.
Description
Technical field
The present invention relates to a kind of HDMI signal transmission apparatus, particularly one has support HDMI information superposition and the controllable HDMI signal transmission apparatus of stacked system.
Background technology
Along with the application of high-definition digital equipment and universal, increasing digital audio-video products configuration has HDMI (HDMI (High Definition Multimedia Interface)) for Signal transmissions, and generally comprise two types based on the signal transmission apparatus of HDMI at present: 1) be the HDMI function only completing the connection of high-definition multimedia numeral, be mainly used for access or output that high-definition multimedia data-signal is provided; 2) be 1) basis on, export after necessity process to HDMI signal is provided, belong to higher application category.The invention belongs to the 2nd class.
The basic HDMI that utilizes realizes the application of high-definition multimedia digital signal input collection or output widely, as intelligent home device television set conventional at present and PC etc.As a kind of Bidirectional high definition digital television set top box device that patent 201120358061.7 (application number, lower same) proposes, be mainly used in realizing gathering high-definition multimedia signal by HDMI; And the interconnected Video transmission system of vehicle carried mobile phone that patent 201320520638.9 proposes, its HDMI application is also mainly used for input and the collection of high-definition multimedia digital signal.
Carry out for utilizing HDMI signal to be processedly applying, a kind of HDMI codec that utility model patent 201120453517.8 proposes, be mainly used in passing through Internet Transmission by after the signals collecting compression coding inputted from HDMI, there is provided simultaneously and exported after the compressed signal decoding of network reception by HDMI, to realize the long-distance transmissions of HDMI signal; The similar a kind of optical fiber tandem type HDMI transmitting device as utility model patent 201120453488.5 proposition, and a kind of high-resolution remote video transfer encoding equipment that utility model patent 201220026582.7 proposes, equally for realizing the long-distance transmissions of HDMI signal.
Carry out to be processedly applying for other utilization HDMI signal, also comprise the signal distributor based on HDMI that utility model patent 201320460557.4 proposes, be mainly used in by after HDMI input interface collection signal, HDMI signal converted to Y/Cb/Cr signal and pass through to control, signal after conversion is exported by HDMI output interface, exports with the controllable multipath realizing HDMI signal.
Above-mentioned application mainly realizes remote transmission or road input multiple-channel output (comprising controlled multiple-channel output) of HDMI signal, its HDMI signal content does not change in essence, for the processing requirements of the information amendments such as HDMI information superposition, as embedded user profile etc., also there is no corresponding HDMI signal transmission apparatus at present.
Summary of the invention
The object of the present invention is to provide the HDMI signal transmission apparatus that a kind of support information superposes, on transmitted HDMI signal, by the mode that user is controlled, export after superposing other signal, to realize the controlled amendment of HDMI signal.The present invention can be applicable to the high definition digital multimedia application such as television set, Digital Media editing equipment.
To achieve these goals, technical scheme provided by the invention is: provide the HDMI signal transmission apparatus that a kind of support information superposes, comprise HDMI diverter module, HDMI modular converter, Signal averaging module, overlay model control module, output mode control module and HDMI mixing module, wherein:
Described HDMI diverter module connects HDMI mixing module and HDMI modular converter, receives the original HDMI signal of HDMI input interface input, selective divided-flow to HDMI mixing module or HDMI modular converter one of at least;
Described HDMI modular converter is connected to Signal averaging module, HDMI signal is converted to the switching signal being suitable for Signal averaging;
Described Signal averaging module, according to the overlay model of specifying, receives the superposed signal of superposed signal input interface and carries out Signal averaging with switching signal, is converted to HDMI signal and enters the output of HDMI mixing module;
Described overlay model control module is connected to Signal averaging module, receives the control command of overlay model input interface, the overlay model that control signal laminating module uses;
Described output mode control module is connected to HDMI mixing module, receives the control command of output mode input interface, the output mode that control HDMI mixing module uses;
Described HDMI mixing module according to output mode control command select to export original HDMI signal, superposed signal HDMI signal one of at least.
The switching signal that described HDMI modular converter exports includes but not limited to yuv format or rgb format.
Described Signal averaging module can receive the input of multiple superposed signal, and the superposition completing multiple superposed signal successively exports.The superposed signal that described Signal averaging module receives is yuv format.
The overlay model that described Signal averaging module uses includes but not limited to the many image modes of PIP picture-in-picture mode, POP, OFFSCREEN overlay model.
The overlay model that described Signal averaging module uses can also use not superposed signal pattern or only output superposed signal pattern.
Compared with prior art, the beneficial effect that the present invention has is: after adopting HDMI signal transmission apparatus of the present invention to convert the HDMI signal of input to stackable signal, and convert HDMI signal to after being mixed with other stackable Signal averaging of input by controlled mode and export, the controlled amendment of HDMI signal can be realized, complete and the user profile of HDMI signal is embedded, improve the amount of information of exported HDMI signal.
By following description also by reference to the accompanying drawings, the present invention will become more clear, and these accompanying drawings are for explaining embodiments of the invention.
Accompanying drawing explanation
Fig. 1 is the general structure block diagram of HDMI signal transmission apparatus of the present invention.
Embodiment
With reference now to accompanying drawing, describe embodiments of the invention, element numbers similar in accompanying drawing represents similar element.As mentioned above, as shown in Figure 1, present invention achieves and comprise HDMI diverter module, HDMI mixing module, HDMI modular converter, YUV signal laminating module, overlay model control module and output mode control module.
Wherein, described HDMI diverter module connects HDMI mixing module and HDMI modular converter, receive the original HDMI signal of HDMI input interface input, for completing the original HDMI Signal reception of outside input and copying output, selective divided-flow to HDMI mixing module or HDMI modular converter one of at least; .
HDMI diverter module provides HDMI signal access interface, for receiving the input of outside original HDMI signal, simultaneously, HDMI diverter module is connected with HDMI modular converter with HDMI mixing module respectively, and after the original HDMI signal replication inputted outside, output to HDMI mixing module and HDMI modular converter respectively.
HDMI modular converter exports for completing HDMI signal to the conversion of YUV signal.HDMI modular converter is connected with Signal averaging module with HDMI diverter module respectively, and Signal averaging module receives the superposed signal of yuv format, and after converting the original HDMI signal inputted from HDMI diverter module to YUV signal, exports to Signal averaging module.
Signal averaging module superposes with the YUV signal that HDMI modular converter inputs for the YUV signal completing outside input, and converts the output of HDMI signal to.Signal averaging module provides YUV signal access interface, for receiving the input of outside original YUV signal, simultaneously, Signal averaging module is connected with HDMI modular converter, HDMI mixing module and overlay model control module respectively, and superpose from HDMI modular converter input YUV signal with the YUV signal inputted from outside, and after converting HDMI signal to, export to HDMI mixing module; Signal averaging module, when completing YUV signal superposition, completes the selection of PIP, POP stacked system according to the overlay model parameter request of overlay model control module.
Overlay model control module is for completing the reception of the overlay model control command of outside input.Overlay model control module is connected with Signal averaging module, and becomes parameter to export to Signal averaging module the Signal averaging Schema control instruction transformation that outside inputs.
HDMI mixing module is for completing the selection of the multichannel HDMI signal of input and outwards exporting.HDMI mixing module provides HDMI signal output interface, externally export for HDMI signal, simultaneously, HDMI mixing module is connected with HDMI diverter module, Signal averaging module and output mode control module respectively, for the instruction according to output mode control module, complete the selection of the HDMI signal inputted from HDMI diverter module and Signal averaging module 4, and externally exported by HDMI signal output interface.
Output mode control module exports the reception of selection instruction for the multichannel HDMI signal completing outside input.Output mode control module and HDMI mixing module, and the multichannel HDMI signal inputted outside exports selection instruction converts parameter to and export to HDMI mixing module.
During application, by the YUV signal that HDMI signal input interface is inputted original HDMI signal and will be superposed by the input of YUV signal input interface, and by overlay model control interface input overlay model and output mode control interface input HDMI signal output mode, the designated mode superposition of original HDMI signal and YUV signal can be realized, and export requirement output HDMI signal according to appointment, thus the controlled amendment realized the HDMI signal exported, complete and the user profile of HDMI signal is embedded, reach the object improving and export HDMI signal message amount.
Above disclosedly be only the preferred embodiments of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the present patent application the scope of the claims is done, still belong to the scope that the present invention is contained.
Claims (6)
1. a HDMI signal transmission apparatus for support information superposition, is characterized in that, comprise HDMI diverter module, HDMI modular converter, Signal averaging module, overlay model control module, output mode control module and HDMI mixing module, wherein:
Described HDMI diverter module connects HDMI mixing module and HDMI modular converter, receives the original HDMI signal of HDMI input interface input, selective divided-flow to HDMI mixing module or HDMI modular converter one of at least;
Described HDMI modular converter is connected to Signal averaging module, HDMI signal is converted to the switching signal being suitable for Signal averaging;
Described Signal averaging module, according to the overlay model of specifying, receives the superposed signal of superposed signal input interface and carries out Signal averaging with switching signal, is converted to HDMI signal and enters the output of HDMI mixing module;
Described overlay model control module is connected to Signal averaging module, receives the control command of overlay model input interface, the overlay model that control signal laminating module uses;
Described output mode control module is connected to HDMI mixing module, receives the control command of output mode input interface, the output mode that control HDMI mixing module uses;
Described HDMI mixing module according to output mode control command select to export original HDMI signal, superposed signal HDMI signal one of at least.
2. the HDMI signal transmission apparatus of support information superposition as claimed in claim 1, it is characterized in that, the switching signal that described HDMI modular converter exports includes but not limited to yuv format or rgb format.
3. the HDMI signal transmission apparatus of support information superposition as claimed in claim 1, it is characterized in that, described Signal averaging module can receive the input of multiple superposed signal, and the superposition completing multiple superposed signal successively exports.
4. as the HDMI signal transmission apparatus that claim 1 or support information according to claim 3 superpose, it is characterized in that, the superposed signal that described Signal averaging module receives is yuv format.
5. the HDMI signal transmission apparatus of support information superposition as claimed in claim 1, it is characterized in that, the overlay model that described Signal averaging module uses includes but not limited to the many image modes of PIP picture-in-picture mode, POP, OFFSCREEN overlay model.
6. the HDMI signal transmission apparatus of support information superposition as claimed in claim 5, is characterized in that, the overlay model that described Signal averaging module uses can also use not superposed signal pattern or only output superposed signal pattern.
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| CN201410570686.8A CN104469232A (en) | 2014-10-23 | 2014-10-23 | HDMI signal transmission device supporting information superposition |
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| CN201410570686.8A CN104469232A (en) | 2014-10-23 | 2014-10-23 | HDMI signal transmission device supporting information superposition |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101150696A (en) * | 2007-10-19 | 2008-03-26 | 中兴通讯股份有限公司 | Method and device for improving receiving performance of high-definition multimedia interface |
| CN101277395A (en) * | 2008-04-09 | 2008-10-01 | 深圳市创凯电子有限公司 | Method and apparatus for partitioning HDMI and Display Port image signal |
| CN102014260A (en) * | 2009-09-07 | 2011-04-13 | 鸿富锦精密工业（深圳）有限公司 | Video and audio recording and playing system and method |
| CN102665048A (en) * | 2012-04-12 | 2012-09-12 | 北京华夏电通科技股份有限公司 | Method and system for implementation of multi-picture composition |
| CN103974103A (en) * | 2014-05-23 | 2014-08-06 | 杭州讯歌科技有限公司 | High-definition multimedia controller |
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2014
- 2014-10-23 CN CN201410570686.8A patent/CN104469232A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101150696A (en) * | 2007-10-19 | 2008-03-26 | 中兴通讯股份有限公司 | Method and device for improving receiving performance of high-definition multimedia interface |
| CN101277395A (en) * | 2008-04-09 | 2008-10-01 | 深圳市创凯电子有限公司 | Method and apparatus for partitioning HDMI and Display Port image signal |
| CN102014260A (en) * | 2009-09-07 | 2011-04-13 | 鸿富锦精密工业（深圳）有限公司 | Video and audio recording and playing system and method |
| CN102665048A (en) * | 2012-04-12 | 2012-09-12 | 北京华夏电通科技股份有限公司 | Method and system for implementation of multi-picture composition |
| CN103974103A (en) * | 2014-05-23 | 2014-08-06 | 杭州讯歌科技有限公司 | High-definition multimedia controller |
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