Cascade-supporting image rotation ultra-high-definition audio and video signal processor

Abstract

The utility model discloses an image rotation ultra-high-definition audio and video signal processor supporting cascade connection. Comprising at least one processor unit, a plurality of processor units are cascaded, each processor unit comprises an image input module, an image processing module, an image loop-out module, a splicing processing module, an image output module and a control module, the image input module comprises a plurality of input interfaces, and the image loop-out module comprises at least one output interface. The image input module comprises a plurality of input interfaces, the image output module comprises a plurality of output interfaces, the image processing module and the splicing processing module respectively adopt an ASIC chip and an FPGA chip, the control module comprises at least one serial port, a network interface, a dial switch and an IR interface, and the image input module is electrically connected with the image processing module. The image processing module is electrically connected with the image loop-out module and the splicing processing module, and the splicing processing module is electrically connected with the image output module. The distance between wires used by the processor is short, and the processor is convenient to assemble and low in cost.

Description

TECHNICAL FIELD

[0001] The utility model belongs to audio and video signal distributor technical field, concretely relates to a kind of image rotation ultra-high definition audio and video signal processor of support cascade. BACKGROUND

[0002] The transmission of signal of ultra-high definition video processor device in prior art generally adopts cabinet structure, which is composed of input board, output board, back plate, matrix board, control board, power module and heat dissipation system, and the boards are connected by high-speed connector. There are usually the following problems: for the project with only one input board and one output board, a whole cabinet is needed, which causes too much waste and high product cost; the cabinet structure is too large in weight and volume, and can only be installed in machine room, so that the distance of output HDMI signal connected to display screen is very long, and HDMI signal extension equipment may be needed, which increases the whole project cost and the probability of problems; the fan noise of heat dissipation system of cabinet structure is large, which is not suitable for quiet places such as conference room. UTILITY MODEL CONTENT

[0003] In view of the problems in the prior art, the utility model designs a kind of image rotation ultra-high definition audio and video signal processor of support cascade.

[0004] In order to achieve the above purpose, the following technical scheme is adopted: a kind of image rotation ultra-high definition audio and video signal processor of support cascade includes at least one processor unit, the processor unit is cascaded, the processor unit includes image input module, image processing module, image loop-out module, splicing processing module, image output module and control module, the image input module includes multiple input interfaces, the image loop-out module includes at least one output interface, the image output module includes multiple output interfaces, the image processing module and splicing processing module are respectively adopted ASIC chip and FPGA chip, the control module includes at least one serial port, one network interface, one dial switch and one IR interface, the image input module and image processing module are connected by TTL signal and VBYONE signal, the image processing module is connected with image loop-out module and splicing processing module by VBYONE signal line respectively, and the splicing module is connected with image output module by TTL signal line.

[0005] Further, the image input module includes four HDMI and two DP input interfaces.

[0006] Further, the image loop-out module includes one HDMI output interface, which is connected to the image input HDMI interface of adjacent processor unit by HDMI connection line.

[0007] Furthermore, the image output module includes nine HDMI output ports.

[0008] Furthermore, the control module is equipped with a serial port, a network interface, a 4-bit DIP switch, and an IR interface.

[0009] Furthermore, there are four HDMI input interfaces, with one HDMI input interface and one DP input interface arranged side by side to form a group.

[0010] Furthermore, the serial port interface of the control module is an industrial terminal, the 4-position DIP switch is a side-mounted DIP switch, the gold plating thickness of the network interface is 3U, and the IR interface of the control module is a 3.5mm socket.

[0011] Furthermore, of the two sets of VBYONE output signal lines of the image processing module, one set is connected to the image loop-out module, and the other set is connected to the stitching module.

[0012] The advantages of this utility model are: multiple modules are integrated into the housing, which can be installed behind the display screen, making installation more convenient; the HDMI connection cable for output to the display screen is short, with strong anti-interference and stable operation; the cascading mode is adopted to connect to the next cascading-supporting ultra-high-definition audio and video signal processor through the image loop-out module, which can be applied to both small and large projects, making the application more convenient and flexible; the cascading communication signal HDMI cable has a more mature and stable transmission; it is easy to assemble, has low assembly difficulty, and low cost. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, as well as the beneficial effects of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other structures can be obtained based on the structures shown in these drawings without creative effort.

[0014] Fig. 1 This is a schematic diagram of the structure of the circuit board of this utility model.

[0015] Fig. 2 This is a schematic diagram of the structure of the rear panel of the outer shell of this utility model.

[0016] Fig. 3 This is a schematic diagram of the structure of the front panel of the outer shell of this utility model. Detailed Implementation

[0017] This utility model provides an ultra-high-definition audio and video signal processor that supports cascading image rotation. See [link to related documentation]. Figs. 1-3This embodiment is a two-stage cascaded processor, including a first processor unit 1 and a second processor unit 2. On one side of the first processor unit, several HDMI input interfaces, two DP input interfaces, one serial port interface, one network interface, a 4-position DIP switch, and one IR interface are spaced apart. On the other side of the first processor unit, several HDMI output interfaces are provided. This embodiment uses four HDMI input interfaces, one of which is arranged side-by-side with one DP input interface to form a group for ultra-high-definition audio and video signal input streams. There is also a video loop-out HDMI interface for connecting to the next processor unit, a serial port interface for transmitting serial commands to control images and video, a network interface for connecting to a PC for image and video control, a 4-position DIP switch for setting the processor unit order, and an IR interface for infrared remote control. This embodiment is composed of two processor units, with 18 HDMI output interfaces (3 in the figure represents HDMIOUT1-9, and 4 represents HDMIOUT10-18), used to connect to a 2K display group. The video wall displays spliced ​​videos and images. It has one audio port for outputting audio from four inputs. The first processor unit has an image loop-out interface connected to the image input of the second processor unit for cascading connection, sending images from the first processor unit to the second. This embodiment uses a standard HDMI 2.0 signal cable 7. The first processor unit has an image processing module ASIC chip 5 for processing multiple input videos and images, including image rotation, scaling, and roaming. The processor unit also has a control board MCU chip for controlling the ASIC chip, serial port, network interface, 4-bit DIP switch, and IR interface. The 4-bit DIP switch is used to set this to the first processor unit. The processor unit also has a splicing module FPGA chip 6 for processing ultra-high-definition videos and images sent from the image processing module ASIC chip. In this embodiment, the first processor unit has nine HDMI output interfaces for connecting to a video wall composed of 2K displays to display the videos and images received by the first processor unit.

[0018] In this embodiment, the second processor unit has the same function as the first processor unit, and is used to receive ultra-high-definition video and images sent from the HDMI interface of the image loop-out module of the first processor unit. Several HDMI output interfaces are provided on the other side of the second processor unit. In this embodiment, the second processor unit has an MCU chip, which is used to control and process the FPGA chip of the second processor unit. In this embodiment, the second processor unit also has 9 HDMI output interfaces, which are used to connect to a video wall composed of 2K displays to display the video and images received by the second processor unit.

[0019] The serial port interface described in this embodiment is an industrial terminal, which is suitable for more industrial projects.

[0020] The 4-position DIP switch described in this embodiment, with its side-mounted design, makes the casing more aesthetically pleasing.

[0021] The gold plating layer of the network interface described in this embodiment is 3U thick, which reduces network data latency and packet loss.

[0022] The IR interface described in this embodiment is a 3.5mm connector, which offers greater compatibility and prevents accidental remote control triggering when multiple products are placed together.

[0023] The audio interface described in this embodiment is a 3.5mm connector, which has higher compatibility and is compatible with more audio interfaces.

[0024] In this embodiment, the image loop-out interface of the first processor unit is installed on the input side of the first processor unit, and the HDMI input interface of the second processor unit is installed on the input side of the second processor unit, making cascading HDMI wiring more convenient.

[0025] The image loop-out interface described in this embodiment is set to an HDMI interface, which has high signal reliability, high stability, low bit error rate, and oxidation resistance.

[0026] The processor of this utility model uses short wiring distances, is easy to assemble, and has low cost.

[0027] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A super high-definition audio-video signal processor supporting cascaded image rotation, characterized in that, The processor unit includes an image input module, an image processing module, an image loop-out module, a splicing processing module, an image output module and a control module, the image input module includes multiple input interfaces, the image loop-out module includes at least one output interface, the image output module includes multiple output interfaces, the image processing module and the splicing processing module respectively adopt ASIC chips and FPGA chips, the control module includes at least one serial port, one network interface, one dial switch and one IR interface, the image input module is electrically connected with the image processing module, the image processing module is electrically connected with the image loop-out module and the splicing processing module respectively, and the splicing processing module is electrically connected with the image output module.

2. The image-rotation super-high-definition video signal processor supporting cascading according to claim 1, characterized in that, The image input module and the image processing module are connected through TTL signals and VBYONE signals, the image processing module is connected with the image loop-out module and the splicing processing module through VBYONE signal lines respectively, and the splicing processing module is connected with the image output module through TTL signal lines.

3. The image-rotation super-high-definition video signal processor supporting cascading according to claim 1, characterized in that, The image input module includes four HDMI and two DP input interfaces.

4. The image-rotation super-high-definition video signal processor supporting cascading according to claim 2, characterized in that, The image loop-out module includes one HDMI output interface, and is connected with the image input HDMI interface of the adjacent processor unit through an HDMI connecting line.

5. The image-rotation super-high-definition video signal processor supporting cascading according to claim 1, characterized in that, The image output module includes nine HDMI output interfaces.

6. The image-rotation super-high-definition video signal processor supporting cascading according to claim 4, characterized in that, The control module is provided with one serial port, one network interface, one 4-bit dial switch and one IR interface.

7. The image-rotation super-high-definition video signal processor supporting cascading according to claim 5, characterized in that, The four HDMI input interfaces are arranged side by side with one DP input interface to form a group.

8. The image-rotation super-high-definition video signal processor supporting cascading according to claim 6, characterized in that, The serial port interface of the control module is an industrial terminal, the 4-bit dial switch is a side dial, the thickness of the gold plating layer of the network interface is 3U, and the IR interface of the control module is a 3.5mm seat.

9. The image-rotation super-high-definition video signal processor supporting cascading according to claim 7, characterized in that, The two groups of VBYONE output signal lines of the image processing module are connected with the image loop-out module and the splicing processing module respectively.

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