CN214154669U - Data transmission system and device - Google Patents
Data transmission system and device Download PDFInfo
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- CN214154669U CN214154669U CN202120202102.7U CN202120202102U CN214154669U CN 214154669 U CN214154669 U CN 214154669U CN 202120202102 U CN202120202102 U CN 202120202102U CN 214154669 U CN214154669 U CN 214154669U
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Abstract
The utility model provides a data transmission system, which is connected with a display terminal; the system comprises a BT1120 signal input module, a superposition data input module, a data processing module and a BT1120 signal output module; wherein: and a data processing module for receiving the first BT1120 signal transmitted by the BT1120 signal input module and the superimposed signal transmitted by the superimposed data input module, and outputting a second BT1120 signal generated according to the BT1120 signal and the superimposed signal to the display terminal through the BT1120 signal output module. The utility model discloses still provide a data transmission device. By adding the overlapped data input module, the data processing module receives the first BT1120 signal and the overlapped signal and correspondingly outputs the second BT1120 signal, so that the display terminal can display the related information and the video data simultaneously through the second BT1120 signal.
Description
Technical Field
The utility model relates to a data transmission field especially relates to a data transmission system and device.
Background
The existing video conference can only transmit video data so that participants can see the real-time condition of each other; as the demand of people for the conference increases, some conference-related information may need to be displayed in the process of the video conference, and therefore how to display the related information and the video data simultaneously becomes a problem to be solved currently.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a data transmission system and device, aims at solving among the prior art how to show relevant information and video data simultaneously's problem.
In order to achieve the above object, the present invention provides a data transmission system, which is connected to a display terminal; the system comprises a BT1120 signal input module, a superposition data input module, a data processing module and a BT1120 signal output module; the BT1120 signal input module is connected with a first input end of the data processing module, the superimposed data input module is connected with a second input end of the data processing module, and an output end of the data processing module is connected with the BT1120 signal output module; wherein:
the data processing module is configured to receive a first BT1120 signal sent by the BT1120 signal input module and a superimposed signal sent by the superimposed data input module, and output a second BT1120 signal generated according to the BT1120 signal and the superimposed signal to the display terminal through the BT1120 signal output module.
Optionally, the system further comprises a BT1120 signal input interface; the BT1120 signal input module comprises at least one signal input unit, an input end of the signal input unit is connected with the BT1120 signal input interface, and an output end of the signal input unit is connected with a first input end of the data processing module.
Optionally, the BT1120 signal input interface is an HDMI interface.
Optionally, the system further comprises a BT1120 signal output interface; the BT1120 signal output module comprises at least one signal output unit, an input end of the signal output unit is connected with an output end of the data processing module, and an output end of the signal output unit is connected with the display terminal through the BT1120 signal output interface.
Optionally, the BT1120 signal output interface is an HDMI interface.
Optionally, the data processing module is an FPGA circuit.
Optionally, the superimposed data input module is an SoC chip.
Optionally, the system further includes a control unit, and an output end of the control unit is connected to the control end of the data processing module;
the control unit is used for sending an original signal or a processed signal to the data processing module;
the data processing module is configured to output the first BT1120 signal when receiving the original signal; upon receiving the processed signal, the second BT1120 signal is output.
To achieve the above object, the present invention further provides a data transmission device, which includes a data transmission system and a display terminal, wherein the data transmission system is configured as the data transmission system described above.
The utility model provides a data transmission system and a device, wherein the system is connected with a display terminal; the system comprises a BT1120 signal input module, a superposition data input module, a data processing module and a BT1120 signal output module; the BT1120 signal input module is connected with a first input end of the data processing module, the superimposed data input module is connected with a second input end of the data processing module, and an output end of the data processing module is connected with the BT1120 signal output module; wherein: the data processing module is configured to receive a first BT1120 signal sent by the BT1120 signal input module and a superimposed signal sent by the superimposed data input module, and output a second BT1120 signal generated according to the BT1120 signal and the superimposed signal to the display terminal through the BT1120 signal output module. By adding the overlapped data input module, the data processing module receives the first BT1120 signal and the overlapped signal and correspondingly outputs the second BT1120 signal, so that the display terminal can display the related information and the video data simultaneously through the second BT1120 signal.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a functional block diagram of an embodiment of a data transmission system according to the present invention;
fig. 2 is a functional block diagram of another embodiment of the data transmission system of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | BT1120 |
500 | BT1120 |
| 200 | Superimposed |
600 | BT1120 |
| 300 | |
700 | |
| 400 | BT1120 signal output module |
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a data transmission system is applied to data transmission device, please refer to fig. 1, and fig. 1 is the utility model discloses functional module diagram of an embodiment of data transmission system. In this embodiment, the system is connected to a display terminal (not shown); the system comprises a BT1120 signal input module 100, a superimposed data input module 200, a data processing module 300 and a BT1120 signal output module 400; the BT1120 signal input module 100 is connected to a first input terminal of the data processing module 300, the superimposed data input module 200 is connected to a second input terminal of the data processing module 300, and an output terminal of the data processing module 300 is connected to the BT1120 signal output module 400; wherein:
the data processing module 300 is configured to receive a first BT1120 signal transmitted by the BT1120 signal input module 100 and a superimposed signal transmitted by the superimposed data input module 200, and output a second BT1120 signal generated according to the BT1120 signal and the superimposed signal to the display terminal through the BT1120 signal output module 400.
The BT1120 protocol is a widely used high definition digital video transmission protocol, and can encode video data with sampling structures of 4:4:4 and 4:4:2 into a video data stream embedded with a synchronous timing reference code for transmission.
The BT1120 signal input module 100 is configured to receive a first BT1120 signal of an external input device and output the first BT1120 signal to the data processing module 300. The signal source of the first BT1120 signal may be a camera, a smart terminal, or the like.
The overlay data input module 200 is configured to send the overlay data sent by the user or stored inside to the data processing module 300. The overlay data may include subtitles or a terminal running state, etc.
The data processing module 300 processes the first BT1120 signal by the received overlay data such that the overlay data is overlaid on the first BT1120 signal to generate a second BT1120 signal, and transmits the second BT1120 signal to a display terminal through the BT1120 signal output module 400, the display terminal displaying the second BT1120 signal after receiving the second BT1120 signal.
The embodiment enables the data processing module 300 to receive the first BT1120 signal and the superimposed signal and correspondingly output the second BT1120 signal by adding the superimposed data input module 200, thereby enabling the display terminal to simultaneously display the related information and the video data through the second BT1120 signal.
Further, referring to fig. 2, the system further includes a BT1120 signal input interface 500; the BT1120 signal input module 100 comprises at least one signal input unit (not shown), an input end of the signal input unit is connected with the BT1120 signal input interface 500, and an output end of the signal input unit is connected with a first input end of the data processing module 300.
The data transmission system needs to be connected with an external input device to receive a first BT1120 signal, so the BT1120 signal input interface 500 needs to be provided; the signal input unit receives a first BT1120 signal of an external input device through the BT1120 signal input interface 500, and performs conventional data processing operations on the first BT1120 signal, such as ADC acquisition, color space conversion, BT1120 format control, and the like; after the process is completed, the processed first BT1120 signal is output to the data processing module 300.
The number of the signal input units in the present embodiment is two; each signal input unit is respectively connected with one data pin of the BT1120 signal input interface 500; and respectively processes the received first BT1120 signal, and then outputs the processed first BT1120 signal to the data processing module 300.
The BT1120 signal input interface 500 is an HDMI interface.
The BT1120 signal input interface 500 may also be an SDI interface, a DVI interface, or a VGA interface, and the BT1120 signal input interface 500 corresponding to an output interface of an external input device may be selected in an actual use process.
The system further comprises a BT1120 signal output interface 600; the BT1120 signal output module 400 comprises at least one signal output unit (not shown), an input end of the signal output unit is connected with an output end of the data processing module 300, and an output end of the signal output unit is connected with the display terminal through the BT1120 signal output interface 600.
The number of signal output units in this embodiment is the same as the number of signal input units; each signal output unit is respectively connected with one data pin of the BT1120 signal output interface 600; and outputs the received second BT1120 signals to the BT1120 signal output interfaces 600, respectively.
The BT1120 signal output interface 600 is an HDMI interface.
The BT1120 signal output interface 600 may also be an SDI interface, a DVI interface, or a VGA interface, and the BT1120 signal output interface 600 corresponding to the input interface of the display terminal may be selected in the actual use process.
The data processing module 300 is an FPGA circuit.
An FPGA (Field Programmable Gate Array) belongs to a semi-custom circuit in an application-specific integrated circuit, is a Programmable logic Array, and can effectively solve the problem that the number of Gate circuits of the original device is small. The basic structure of the FPGA comprises a programmable input/output unit, a configurable logic block, a digital clock management module, an embedded block RAM, wiring resources, an embedded special hard core and a bottom layer embedded functional unit.
The superimposed data input module 200 is an SoC (System on Chip) Chip. An SoC is an integrated circuit with a dedicated target that contains the entire system and has the entire contents of the embedded software.
The system further comprises a control unit 700, wherein the output end of the control unit 700 is connected with the control end of the data processing module 300;
the control unit 700 is configured to send an original signal or a processed signal to the data processing module 300;
the data processing module 300 is configured to output the first BT1120 signal when receiving the original signal; upon receiving the processed signal, the second BT1120 signal is output.
The user controls the data processing module 300 through the control unit 700 whether to perform the superposition processing on the first BT1120 signal to obtain the second BT1120 signal. So that the original first BT1120 signal can be directly output when the superimposition processing does not need to be performed.
The present embodiment can reasonably perform the superimposition processing and data transmission on the BT1120 signal.
The utility model discloses still protect a data transmission device, this data transmission device include data transmission system and display terminal, and above-mentioned embodiment can be referred to this data transmission system's structure, no longer gives unnecessary details here. It should be noted that, since the data transmission device of the present embodiment adopts the technical solution of the data transmission system, the data transmission device has all the advantages of the data transmission system.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. The term "comprising", without further limitation, means that the element so defined is not excluded from the group of processes, methods, articles, or systems that include the element. The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (9)
1. A data transmission system is characterized in that the system is connected with a display terminal; the system comprises a BT1120 signal input module, a superposition data input module, a data processing module and a BT1120 signal output module; the BT1120 signal input module is connected with a first input end of the data processing module, the superimposed data input module is connected with a second input end of the data processing module, and an output end of the data processing module is connected with the BT1120 signal output module; wherein:
the data processing module is configured to receive a first BT1120 signal sent by the BT1120 signal input module and a superimposed signal sent by the superimposed data input module, and output a second BT1120 signal generated according to the BT1120 signal and the superimposed signal to the display terminal through the BT1120 signal output module.
2. The data transmission system of claim 1, wherein the system further comprises a BT1120 signal input interface; the BT1120 signal input module comprises at least one signal input unit, an input end of the signal input unit is connected with the BT1120 signal input interface, and an output end of the signal input unit is connected with a first input end of the data processing module.
3. The data transmission system of claim 2, wherein the BT1120 signal input interface is an HDMI interface.
4. The data transmission system of claim 3, wherein the system further comprises a BT1120 signal output interface; the BT1120 signal output module comprises at least one signal output unit, an input end of the signal output unit is connected with an output end of the data processing module, and an output end of the signal output unit is connected with the display terminal through the BT1120 signal output interface.
5. The data transmission system of claim 4, wherein the BT1120 signal output interface is an HDMI interface.
6. The data transmission system according to any one of claims 1 to 5, wherein the data processing module is an FPGA circuit.
7. The data transmission system of claim 6, wherein the overlay data input module is an SoC chip.
8. The data transmission system of claim 7, further comprising a control unit, an output of the control unit being connected to a control terminal of the data processing module;
the control unit is used for sending an original signal or a processed signal to the data processing module;
the data processing module is configured to output the first BT1120 signal when receiving the original signal; upon receiving the processed signal, the second BT1120 signal is output.
9. A data transmission apparatus, characterized in that the apparatus comprises a data transmission system and a display terminal, the data transmission system being configured as a data transmission system according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120202102.7U CN214154669U (en) | 2021-01-25 | 2021-01-25 | Data transmission system and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120202102.7U CN214154669U (en) | 2021-01-25 | 2021-01-25 | Data transmission system and device |
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| Publication Number | Publication Date |
|---|---|
| CN214154669U true CN214154669U (en) | 2021-09-07 |
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| CN202120202102.7U Active CN214154669U (en) | 2021-01-25 | 2021-01-25 | Data transmission system and device |
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| CN (1) | CN214154669U (en) |
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