Transmission device supporting multipath 4: 4: 4 original image quality image signal output

Abstract

The utility model discloses a transmission device supporting multipath 4: 4: 4 original image quality image signal output, and relates to the technical field of high-definition image transmission. The audio circuit is used for processing audio signals, the communication circuit is used for transmitting signals, the image output circuit is used for outputting multiple paths of image signals, the main chip control circuit is used for processing the image signals, and the audio circuit, the communication circuit and the image output circuit are respectively connected with the main chip control circuit. The main chip control circuit comprises a main control chip connected with the audio circuit, the communication circuit and the image output circuit, and a memory chip connected with the main control chip, and the main control chip is used for encoding and decoding image signals. According to the technical scheme provided by the utility model, multi-path output can be realized, and image signals with high resolution and lossless image quality can be output.

Description

TECHNICAL FIELD

[0001] The utility model relates to high definition image transmission technical field, concretely relates to a kind of transmission device of supporting multiway 4:4:4 original quality image signal output. BACKGROUND

[0002] Image transmission distributed node product usually refers to the product for transmitting, processing and distributing image data in network or distributed system, these node products can efficiently process image data stream, ensure that image is quickly and safely transmitted between different nodes, although the image transmission distributed node product on market can output 4K60HZ image, but usually only 1 way or 2 way image signal of single product output can be realized, and only stay in the incomplete image compression sampling of RGB4:2:2;RGB4:2:0;YCBCR4:2:2;YCBCR4:2:2 on quality, resolution is lower, and the product of the complete image sampling signal of the adoption lossless compression output of 4 way output RGB4:4:4, YCBCR4:4:4 is lacked on market currently, therefore, in order to make product can realize multiway output, and output high resolution, lossless quality image signal, a kind of new image transmission device needs to be developed, the utility model solves this technical problem. SUMMARY

[0003] The present application aims to provide a kind of transmission device of supporting multiway 4:4:4 original quality image signal output, to solve the realization multiway output, and output high resolution, lossless quality image signal.

[0004] A kind of transmission device of supporting multiway 4:4:4 original quality image signal output, including the audio circuit for processing audio signal, for signal transmission the communication circuit, for outputting multiway image signal the image output circuit, for processing image signal the main chip control circuit, the audio circuit, the communication circuit, the image output circuit are connected with the main chip control circuit respectively.

[0005] Further, the main chip control circuit includes the main control chip connected with the audio circuit, the communication circuit and the image output circuit, the memory chip connected with the main control chip, and the main control chip is used for the coding and decoding work of image signal.

[0006] Further, the image output circuit includes a plurality of image output interfaces, and the image output interface is electrically connected with the main control chip.

[0007] Further, the audio circuit includes the audio decoding chip electrically connected with the main control chip, and the audio input interface connected with the audio decoding chip, and the audio input interface is used to receive analog audio signal from external audio equipment.

[0008] Further, the communication circuit includes a network interface connected with the main control chip, and the network interface is used for transmitting the image signal in the Ethernet to the main control chip for the coding and decoding operation of the image video signal.

[0009] Further, the audio circuit, the communication circuit, the image output circuit and the main chip control circuit are connected with a power supply circuit respectively.

[0010] Further, the main control chip is connected with a serial communication circuit.

[0011] Further, the main control chip is connected with an infrared remote control circuit.

[0012] Further, the main control chip is an AX650 chip, and the memory chip is an LPDDR4X chip.

[0013] The technical effects of the utility model are as follows:

[0014] (1) the scheme is through the communication circuit receiving the image signal with high resolution and lossless picture quality in the Ethernet, and transmitting to the main chip control circuit, and the image video signal is subjected to the coding and decoding operation, and the analog audio signal is received and decoded through the audio circuit, and then the signal is output through the image output circuit, since the image output circuit has a plurality of image output interfaces, so that the multiway output of high resolution and lossless picture quality can be realized;

[0015] (2) the main control chip in the scheme adopts the AX650 chip, and the memory chip adopts the LPDDR4X chip, and the single main control chip can realize the output of multiway signal, and cooperates with other circuits, and can realize the output of multiway high-definition image signal;

[0016] (3) the main chip control circuit in the scheme is connected with the serial communication circuit and the infrared remote control circuit, so that the device has more functions, and the expansion in the function aspect is realized. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in the drawings without paying creative labor.

[0018] Figure 1 It is the connection block diagram of the utility model.

[0019] Among them, the description of drawings is: 1, audio circuit; 2, serial communication circuit; 3, main chip control circuit; 4, communication circuit; 5, image output circuit; 6, infrared remote control circuit.

[0020] The realization, functional characteristics and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0023] In addition, if the embodiments of the utility model involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one feature. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0024] Referring to Figure 1 A transmission device supporting multi-channel 4:4:4 original image signal output, including audio circuit 1 for processing audio signal, communication circuit 4 for signal transmission, image output circuit 5 for outputting multi-channel image signal, main chip control circuit 3 for processing image signal, audio circuit 1, communication circuit 4, image output circuit 5 are connected with main chip control circuit 3 respectively.

[0025] The various circuits in the scheme jointly constitute a PCBA mainboard, preferably, the PCBA mainboard in the embodiment is loaded with a LINUX open source software system, an application driver runs in the LINUX open source software system, the application driver is provided by a chip manufacturer, and a main control chip in a core component PCBA is configured to generate an image output signal capable of outputting 4-way 4K60HZ YCBCR 4:4:4 lossless image quality or 16-way 2K60HZ YCBCR 4:4:4, and the 4-way 4K60HZ YCBCR 4:4:4 can be decoded and encoded in the manner of 16-way 2K60HZ YCBCR 4:4:4.

[0026] LINUX is an open source operating system, like WINDOWS, which can install many application programs, in the embodiment, a LINUX operating system is loaded, an application program is debugged under the LINUX operating system environment, so that the product can switch different resolutions to support the needs of customers, according to the 4K60HZ YCBCR 4:4:4 encoding and decoding, the maximum can support 4-way switching, if the customer needs 2K60HZ YCBCR 4:4:4, the maximum can support 16-way encoding and decoding output, only the corresponding output interface needs to be added.

[0027] Further, the main chip control circuit 3 includes a main control chip connected with the audio circuit 1, the communication circuit 4 and the image output circuit 5, and a memory chip connected with the main control chip, and the main control chip is used for encoding and decoding work of image signals.

[0028] Further, the image output circuit 5 includes a plurality of image output interfaces, and the image output interfaces are electrically connected with the main control chip.

[0029] Further, the audio circuit 1 includes an audio decoding chip electrically connected with the main control chip, and an audio input interface connected with the audio decoding chip, and the audio input interface is used for receiving analog audio signals from external audio equipment.

[0030] Further, the communication circuit 4 includes a network interface connected with the main control chip, and the network interface is used for transmitting image signals in an Ethernet to the main control chip for encoding and decoding operation of image video signals.

[0031] Further, the audio circuit 1, the communication circuit 4, the image output circuit 5 and the main chip control circuit 3 are respectively connected with a power supply circuit, and in the embodiment, the power supply circuit can be powered by POE or external DC12V.

[0032] Further, the main control chip is connected with the serial communication circuit 2, and the product can be connected with external equipment (such as mouse, keyboard, etc.).

[0033] Further, the main control chip is connected with the infrared remote control circuit 6. The product can be started or turned off by transmitting an infrared signal through a remote controller.

[0034] Further, the main control chip is AX650 chip, and the memory chip is LPDDR4X chip. Preferably, in the embodiment, the AX650 main control chip and two LPDDR4X memory chips are adopted to completely and high-speed run LINUX.

[0035] The audio circuit 1, the communication circuit 4, the main chip control circuit 3 and the serial communication circuit 2 in the scheme are respectively provided with two groups, wherein the image output circuit 5 in the embodiment is provided with four interfaces, a plurality of interfaces can be added according to actual needs, and multi-way output is further realized; the product can be connected to an Ethernet to become a node, and Ethernet data images on other nodes are output to four ultra-high-definition 4K60HZ large-screen displays after being re-encoded and decoded by the main control chip in H.264 and H.265.

[0036] The two AX650 chips in the embodiment exchange data by using an SPI data bus or an Intel 8080 interface 16-bit address bus, the data throughput of the SPI can reach tens of megabytes per second, and the smooth running and exchange of data can be ensured; the two interfaces of USB2.0 and USB3.0 in the figure are active mode USB interfaces, and can drive slave devices such as a mouse, a keyboard and a U disk; in addition, the MICRO USB interface in the block diagram can be used to set the product as a device end for communication with a computer USB or a KVM, so that data is transparently transmitted; the four RJ45 in the structural diagram can deliver 4K 60HZ 4:4:4 lossless picture quality in the Ethernet to the AX650 for H.264 / H.265 encoding and decoding operation; the four HDMIout in the structural diagram are four 4K 60HZ 4:4:4 lossless picture quality interfaces, and are output in the form of an HDMI data interface; in the scheme, 16-way 2K 4K 60HZ 4:4:4 lossless picture quality is output, and the four HDMI interfaces in the figure can be expanded to 16-way, that is, one AX650 chip outputs 8-way 16-way 2K 4K 60HZ 4:4:4 lossless picture quality signals; the LINE IN / OUT in the structural diagram is an analog-digital audio input signal interface, the CODEC is a digital audio decoding chip compatible with analog audio signal input and output, and audio data is transmitted through an I2S communication protocol.

[0037] The working process of the utility model is as follows:

[0038] The scheme receives the image signal with high resolution and lossless picture quality in the Ethernet through the communication circuit 4, transmits to the main chip control circuit 3, carries out coding and decoding operation on the image video signal, receives the analog audio signal through the audio circuit 1 and carries out decoding, then outputs the signal through the image output circuit 5, and since the image output circuit 5 has multiple image output interfaces, the multi-way output of high resolution and lossless picture quality can be realized.

[0039] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation, direct / indirect application in other related technical fields under the technical concept of the present application, and the contents of the present application specification and drawings are included in the patent protection scope of the present application.

Claims

1. A transmission apparatus for supporting the output of a plurality of 4:4:4 raw picture image signals, characterized in that The application relates to an audio circuit (1) for processing audio signals, a communication circuit (4) for signal transmission, an image output circuit (5) for outputting multiple image signals, a main chip control circuit (3) for processing image signals, wherein the audio circuit (1), the communication circuit (4) and the image output circuit (5) are connected with the main chip control circuit (3) respectively.

2. The transmission apparatus for supporting the output of a 4:4:4 raw picture signal according to claim 1, characterized in that, The main chip control circuit (3) comprises a main control chip connected with the audio circuit (1), the communication circuit (4) and the image output circuit (5), and a memory chip connected with the main control chip, wherein the main control chip is used for coding and decoding of image signals.

3. The transmission apparatus for supporting the output of a 4:4:4 raw picture signal according to claim 2, wherein The image output circuit (5) comprises multiple image output interfaces which are electrically connected with the main control chip.

4. The transmission apparatus for supporting the output of a 4:4:4 raw picture signal according to claim 2, wherein, The audio circuit (1) comprises an audio decoding chip electrically connected with the main control chip, and an audio input interface connected with the audio decoding chip, wherein the audio input interface is used for receiving analog audio signals from external audio equipment.

5. The transmission apparatus for supporting the output of a 4:4:4 raw picture signal according to claim 3, wherein, The communication circuit (4) comprises a network interface connected with the main control chip, wherein the network interface is used for transmitting image signals in an Ethernet to the main control chip for coding and decoding operation of image video signals.

6. The transmission apparatus for supporting the output of a 4:4:4 raw picture signal according to claim 1, wherein, The audio circuit (1), the communication circuit (4), the image output circuit (5) and the main chip control circuit (3) are connected with a power supply circuit respectively.

7. The transmission apparatus for supporting the output of a 4:4:4 raw picture signal according to claim 2, wherein The main control chip is connected with a serial communication circuit (2).

8. The transmission apparatus for supporting the output of a 4:4:4 raw picture signal according to claim 2, wherein The main control chip is connected with an infrared remote control circuit (6).

9. The transmission apparatus for supporting the output of a 4:4:4 raw picture signal according to claim 2, wherein, The main control chip is an AX650 chip, and the memory chip is an LPDDR4X chip.

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