CN218006426U - AVS2 ultra-high-definition network video and audio professional decoder - Google Patents
AVS2 ultra-high-definition network video and audio professional decoder Download PDFInfo
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Abstract
The utility model relates to a professional decoder of AVS2 super high definition network video and audio, which belongs to the technical field of broadcast digital television, and comprises a casing, wherein an AVS2 super high definition decoding board and a front panel are arranged in the casing, and the AVS2 super high definition decoding board is electrically connected with the front panel; the AVS2 ultra-high definition decoding board is used for receiving the data stream, analyzing and de-encapsulating the video and audio transmission protocol, and outputting the program stream and the analyzed program information; the front panel is used for displaying the program information and responding to a key trigger signal to select a corresponding program to be decoded; and the AVS2 ultra-high definition decoding board is also used for decoding and converting the program stream corresponding to the program to be decoded into a 4K SDI video and audio signal. The utility model discloses can be convenient for satisfy national TV station, melt the demand that streaming media platforms such as media platform, video website receive the clear video program of AVS2 superelevation.
Description
Technical Field
The utility model belongs to the technical field of the broadcast digital television technique and specifically relates to a clear network video audio specialty decoder of AVS2 superelevation is related to.
Background
With the wide popularization of network technology, television station program production systems, IPTV and OTT streaming media platform video and audio processing systems and the like adopt the AVS2 standard for video and audio encoding and decoding and network transmission.
Currently, a decoder is a hardware/software device capable of decoding a digital video and audio data stream into an original video and audio signal, video decoding is the inverse process of video encoding, and a network video decoder works in the opposite direction to a network video encoder. In the IP network transmission based on video and audio signals, the current mainstream streaming media server mostly adopts protocols such as HLS, RTMP, UDP, HTTP and the like to perform the network transmission of the video and audio signals.
In view of the above-mentioned related art, the inventors found that at least the following problems exist in the related art: the common AVS2 ultra-high-definition professional decoder is inconvenient for receiving main stream video and audio transmission protocols such as HLS, RTMP, UDP, HTTP and the like, and cannot meet the requirement that stream media platforms such as national television stations, convergence media platforms, video websites and the like receive AVS2 ultra-high-definition video programs.
SUMMERY OF THE UTILITY MODEL
In order to facilitate the demand that streaming media platforms such as satisfying national television stations, melt media platform, video website receive the clear video program of AVS2 superelevation, the utility model provides a clear network video audio specialty decoder of AVS2 superelevation.
The utility model provides a pair of clear network audio and video specialty decoder of AVS2 superelevation adopts following technical scheme:
an AVS2 ultra-high definition network video and audio professional decoder comprises a shell, wherein an AVS2 ultra-high definition decoding board and a front panel are arranged in the shell, and the AVS2 ultra-high definition decoding board is electrically connected with the front panel; the AVS2 ultra-high definition decoding board is used for receiving the data stream, analyzing and de-encapsulating the video and audio transmission protocol, and outputting the program stream and the analyzed program information; the front panel is used for displaying the program information and responding to a key trigger signal to select a corresponding program to be decoded; and the AVS2 ultra-high definition decoding board is also used for decoding and converting the program stream corresponding to the program to be decoded into a 4K SDI video and audio signal.
By adopting the technical scheme, the preset data address of the data stream to be received is configured in advance, the AVS2 ultra-high definition decoding board receives the data stream to be received according to the preset data address, analyzes and de-encapsulates the video and audio transmission protocol, sends analyzed program information to the front panel, the front panel displays the program information and selects a program to be decoded according to a key trigger signal of a user, and the AVS2 ultra-high definition decoding board can decode the program stream corresponding to the program to be decoded and convert the program stream into a 4K SDI video and audio signal for output; the AVS2 ultra-high definition network video and audio professional decoder can support video and audio transmission protocols for receiving main streams such as HLS, RTMP, UDP and HTTP, and is in seamless connection with a main stream media server, so that the requirement for receiving AVS2 ultra-high definition video programs by stream media platforms such as national television stations, convergence media platforms and video websites can be met conveniently.
Optionally, the front panel includes a display screen and a key module, the display screen is configured to display the program information, and the key module is configured to select a corresponding program to be decoded in response to the key trigger signal.
Through adopting above-mentioned technical scheme, utilize the display screen to show program information, utilize the button module to carry out the pre-configuration or select program information to predetermineeing data address to be convenient for satisfy user's different demands, improved user's use and experienced.
Optionally, the AVS2 ultra-high definition decoding board includes:
a data stream input interface unit for receiving the data stream to be received;
a multi-protocol decapsulation unit connected to the data stream input interface unit, configured to parse and decapsulate the data stream according to the video/audio transport protocol, and output a program stream and a program information set;
the program analyzing unit is connected with the multi-protocol decapsulating unit and the front panel and is used for receiving the program information set, analyzing the program information and sending the analyzed program information to the front panel;
the video and audio demultiplexing unit is connected to the multi-protocol decapsulation unit and is used for demultiplexing the video stream and the audio stream of the program stream corresponding to the program to be decoded and outputting the video stream and the audio stream to be decoded;
the video and audio decoding unit is connected with the video and audio demultiplexing unit and used for decoding the video stream and the audio stream to be decoded and outputting a decoded original video signal and an original audio signal;
the video and audio output unit is connected with the video and audio decoding unit and used for processing the original video signal and the original audio signal and outputting an HDMI video and audio signal;
the ultrahigh definition HDMI-SDI conversion unit is connected with the video and audio output unit and used for converting the HDMI video and audio signals and outputting 4K SDI video and audio signals;
the SDI output unit is connected with the ultrahigh-definition HDMI-SDI conversion unit and is used for outputting the 4K SDI video and audio signals;
and the master control CPU unit is respectively connected with the front panel, the data stream input interface unit, the multi-protocol decapsulation unit, the program analysis unit, the video and audio demultiplexing unit, the video and audio decoding unit, the video and audio output unit, the ultra-high definition HDMI-SDI conversion unit and the SDI output unit and is used for controlling the AVS2 ultra-high definition network video and audio professional decoder.
By adopting the technical scheme, under the control of the main control CPU unit, the data stream input interface unit receives the corresponding data stream to be received according to the preset data address, the multi-protocol decapsulation unit analyzes and decapsulates the video and audio transmission protocol of the data stream, and outputs the program stream and the program information set; the program analysis unit analyzes the program information of the program information set and sends the analyzed program information to the front panel, and the video and audio demultiplexing unit demultiplexes a video stream and an audio stream of a program stream corresponding to a program to be decoded selected by the front panel and outputs the video stream and the audio stream to be decoded; the video and audio decoding unit decodes video streams and audio streams to be decoded and outputs decoded original video signals and original audio signals, the video and audio output unit processes the original video signals and the original audio signals and outputs HDMI video and audio signals, the ultra-high definition HDMI-SDI conversion unit converts the HDMI video and audio signals and outputs 4K SDI video and audio signals through the SDI output unit; the high-definition audio signal decoding method comprises the steps of receiving a data stream, analyzing and de-packaging a transmission protocol, analyzing and decoding a program, converting the program into an HDMI-SDI, outputting the SDI, integrating all functional units on an AVS2 ultra-high-definition decoding board, and realizing high integration and low cost of a product through an embedded SOC chip.
Optionally, the program information includes a program number, a program name, an operator, a video PID, an audio PID, and a PCR PID.
By adopting the technical scheme, the program information such as the program number, the program name, the operator and the like is displayed, so that the user can conveniently know and select the program to be played.
Optionally, the data stream input interface unit adopts a 1000Base-T RJ45 interface.
By adopting the technical scheme, the 1000Base-T RJ45 interface is utilized to receive the corresponding data stream to be received according to the preset data address, and the input data stream supports the main stream video and audio transmission protocols such as HLS, RTMP, UDP, HTTP and the like, so that the connection requirement of the main stream streaming media server is conveniently met.
Optionally, the SDI output unit includes a 4x3G-SDI interface and a 12G-SDI interface, where the 4x3G-SDI interface is configured to process the 4K SDI video-audio signal according to a 4x3G-SDI signal format and output the video-audio signal, and the 12G-SDI interface is configured to process the 4K SDI video-audio signal according to a 12G-SDI signal format and output the video-audio signal.
Through adopting above-mentioned technical scheme, the SDI output unit handles the 4K SDI signal according to 4x3G-SDI and 12G-SDI interface specification respectively to 4x3G-SDI audio signal and 12G-SDI audio signal are looked in the output respectively, so that satisfy different transmission demands.
Optionally, the data stream input interface unit, the multi-protocol decapsulation unit, the ultra high definition HDMI-SDI conversion unit, and the SDI output unit all use Intel FPGA chips.
By adopting the technical scheme, the Intel FPGA chip is used as an integrated circuit chip capable of realizing specific functions, and has the advantages of convenience and flexibility in programming, high integration level, high processing speed, low power consumption and the like.
Optionally, the program parsing unit, the video/audio demultiplexing unit, the video/audio decoding unit, the video/audio output unit, and the main control CPU unit all employ a haisi Hi3796MV200 chip.
By adopting the technical scheme, as a full 4K high-performance SOC chip, the Haisi Hi3796MV200 chip integrates a 4-core 64-bit high-performance Cortex A53 processor and a multi-core high-performance 2D/3D acceleration engine, has a high-performance CPU, and can meet various application requirements.
Optionally, the AVS2 ultra-high definition network video/audio professional decoder further includes a power board, the power board is electrically connected to the AVS2 ultra-high definition decoding board, and the power board is used for supplying power to the AVS2 ultra-high definition network video/audio professional decoder.
By adopting the technical scheme, the alternating current signal input by the urban network is converted into direct current voltage by using the power supply board, so that the power supply of the AVS2 ultra-high definition network video and audio professional decoder can be realized.
To sum up, the utility model discloses a following at least one useful technological effect: the method comprises the steps that a preset data address of a data stream to be received is configured in advance, an AVS2 ultra-high definition decoding board receives the data stream to be received according to the preset data address, analysis and decapsulation of a video and audio transmission protocol are carried out, analyzed program information is sent to a front panel, the front panel displays the program information and selects a program to be decoded according to a key trigger signal of a user, and the AVS2 ultra-high definition decoding board can decode the program stream corresponding to the program to be decoded and convert the program stream into a 4K SDI video and audio signal to be output; by adopting the AVS2 ultra-high-definition network video and audio professional decoder, the video and audio transmission protocol for receiving main streams such as HLS, RTMP, UDP, HTTP and the like can be supported, and the main stream streaming media server is connected seamlessly, so that the requirement for receiving AVS2 ultra-high-definition video programs by national television stations, converged media platforms, video websites and other streaming media platforms is met conveniently.
Drawings
Fig. 1 is a block diagram of an AVS2 ultra high definition network video-audio professional decoder according to an embodiment of the present application.
Fig. 2 is a block diagram of a structure of an AVS2 ultra high definition decoding board according to an embodiment of the present application.
Description of reference numerals: 1. a housing; 2. a front panel; 3. an AVS2 ultra-high definition decoding board; 31. a data stream input interface unit; 32. a multiprotocol decapsulation unit; 33. a program analyzing unit; 34. a video and audio demultiplexing unit; 35. a video and audio decoding unit; 36. a video and audio output unit; 37. an ultra high definition HDMI-SDI conversion unit; 38. an SDI output unit; 39. a main control CPU unit; 4. a power panel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings 1-2 and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The embodiment of the utility model discloses clear network video and audio specialty decoder of AVS2 superelevation.
Referring to fig. 1, the AVS2 ultra-high definition network video and audio professional decoder comprises a casing 1, wherein an AVS2 ultra-high definition decoding board 3, a front panel 2 and a power panel 4 are arranged in the casing 1, the AVS2 ultra-high definition decoding board 3 is respectively and electrically connected with the front panel 2 and the power panel 4;
the front panel 2 is used for providing display and operation functions, and the front panel 2 is used for receiving and responding to a first key trigger signal and configuring a preset data address of a data stream to be received;
the preset data address comprises an IP address, a port number and a Stream ID, and the Stream ID represents the ID identification of the data Stream;
the AVS2 ultra-high definition decoding board 3 is used for receiving a data stream to be received according to a preset data address, analyzing and de-encapsulating a video and audio transmission protocol, and outputting a program stream and analyzed program information;
the video and audio transmission protocol comprises main stream video and audio transmission protocols such as HLS, RTMP, UDP, HTTP and the like;
the front panel 2 is also used for displaying the program information and responding to the second key trigger signal to select the corresponding program to be decoded;
the program information comprises a program number, a program name, an operator, a video PID, an audio PID and a PCR PID, so that a user can know and select a program to be played conveniently;
the AVS2 ultra-high definition decoding board 3 is also used for decoding and converting the program stream corresponding to the program to be decoded into a 4K SDI video and audio signal;
the power panel 4 is used for supplying power to the AVS2 ultra-high definition network video and audio professional decoder;
the AC signal input by the urban network is converted into DC voltage by the power supply board 4, so that the AVS2 ultra-high definition network video and audio professional decoder can be powered.
In the above embodiment, the front panel 2 configures a preset data address of a data stream to be received according to a first key trigger signal of a user, the AVS2 ultra-high definition decoding panel 3 receives the data stream to be received according to the preset data address and performs parsing and decapsulating of a video-audio transmission protocol to obtain a program stream and parsed program information, the front panel 2 displays the program information and selects a program to be decoded according to a second key trigger signal of the user, and the AVS2 ultra-high definition decoding panel 3 decodes and converts the program stream corresponding to the program to be decoded into a 4K SDI video-audio signal to be output; the AVS2 ultra-high-definition network video and audio professional decoder can support video and audio transmission protocols for receiving main streams such as HLS, RTMP, UDP, HTTP and the like, is connected with a main stream media server in a seamless mode, and is convenient to meet the requirement that streaming media platforms such as national television stations, media convergence platforms, video websites and the like receive AVS2 ultra-high-definition video programs.
As an embodiment of the enclosure 1, the enclosure 1 adopts a standard 19-inch wide and 1U high enclosure, and is applicable to installation and use of a 19-inch standard cabinet, where a height occupied by equipment installation in the 19-inch standard cabinet is represented by a special unit "U", and 1u =44.45mm.
As an implementation manner of the front panel 2, the front panel 2 includes a display screen and a key module, the display screen is used for displaying program information, the key module is used for responding to a first key trigger signal to configure a preset data address of a data stream to be received, and the key module is further used for responding to a second key trigger signal to select a corresponding program to be decoded; the display screen can be an LCD (liquid crystal display) screen, the key module can be a key panel, the first key trigger signal and the second key trigger signal are trigger signals generated when a user performs key interaction with the key module, and the user can pre-configure a preset data address or select program information through the key module, so that different program playing requirements of the user can be met conveniently.
Referring to fig. 2, as an embodiment of the AVS2 ultra high definition decoding board 3, the AVS2 ultra high definition decoding board 3 includes:
a data stream input interface unit 31, configured to receive a data stream to be received according to a preset data address;
the data stream input interface unit 31 adopts a 1000Base-T RJ45 interface, and the input data stream to be received supports main stream video and audio transmission protocols such as HLS, RTMP, UDP, HTTP and the like, and can meet the connection requirements of a main stream media server;
a multiprotocol decapsulation unit 32, connected to the data stream input interface unit 31, and configured to perform parsing and decapsulation of a video/audio transmission protocol on a data stream to be received, and output a program stream and a program information set;
the program analyzing unit 33 is connected to the multiprotocol decapsulation unit 32 and the front panel 2, and is configured to receive the program information set, analyze the program information, and send the analyzed program information to the front panel 2;
a video/audio demultiplexing unit 34, connected to the multiprotocol decapsulation unit 32, configured to demultiplex a video stream and an audio stream from a program stream corresponding to a program to be decoded, and output the video stream and the audio stream to be decoded;
a video and audio decoding unit 35, connected to the video and audio demultiplexing unit 34, and configured to decode a video stream and an audio stream to be decoded, and output decoded original video signals and original audio signals;
the video/audio decoding unit 35 is compatible with all mainstream video/audio encoding formats such as AVS2, h.265, h.264, and the like;
a video/audio output unit 36 connected to the video/audio decoding unit 35, for processing the original video signal and the original audio signal, and outputting an HDMI video/audio signal;
the video and audio output unit 36 processes the original video signal and the original audio signal according to the HDMI2.0 interface protocol, and outputs an HDMI2.0 video and audio signal;
the ultrahigh definition HDMI-SDI conversion unit 37 is connected to the video and audio output unit 36, and is configured to perform conversion processing on the HDMI video and audio signal and output a 4K SDI video and audio signal;
an SDI output unit 38 connected to the ultra high definition HDMI-SDI conversion unit 37 for outputting the 4K SDI video/audio signal;
and the main control CPU unit 39 is respectively connected to the front panel 2, the data stream input interface unit 31, the multi-protocol decapsulation unit 32, the program parsing unit 33, the video/audio demultiplexing unit 34, the video/audio decoding unit 35, the video/audio output unit 36, the ultra-high definition HDMI-SDI conversion unit 37, and the SDI output unit 38, and is configured to control the AVS2 ultra-high definition network video/audio professional decoder.
In the above embodiment, under the control of the main control CPU unit 39, the data stream input interface unit 31 receives the corresponding data stream to be received according to the preset data address, and the multi-protocol decapsulation unit 32 performs parsing and decapsulation of the video/audio transmission protocol on the data stream to be received, and outputs the program stream and the program information set; the program analyzing unit 33 analyzes the program information of the program information set and sends the analyzed program information to the front panel 2, and the video/audio demultiplexing unit 34 demultiplexes a video stream and an audio stream of a program stream corresponding to a program to be decoded selected by the front panel 2 and outputs the video stream and the audio stream to be decoded; the video and audio decoding unit 35 decodes a video stream and an audio stream to be decoded and outputs a decoded original video signal and an original audio signal, the video and audio output unit 36 processes the original video signal and the original audio signal and outputs an HDMI video and audio signal, the ultra-high definition HDMI-SDI conversion unit 37 converts the HDMI video and audio signal and outputs a 4K SDI video and audio signal through the SDI output unit 38; the high-definition decoding method comprises the steps of receiving a data stream, analyzing and de-encapsulating a transmission protocol, analyzing and decoding a program, converting the program into an HDMI (high-definition multimedia interface) -SDI (serial digital interface), outputting the SDI, integrating all functional units on an AVS2 ultra-high-definition decoding board 3, and realizing high integration and low cost of a product through an embedded SOC (system on chip).
As an embodiment of the ultra-high definition HDMI-SDI conversion unit 37, an HDMI interface is further connected to the ultra-high definition HDMI-SDI conversion unit 37, and the ultra-high definition HDMI-SDI conversion unit 37 outputs the HDMI2.0 video/audio signal directly through the HDMI interface.
As an embodiment of the SDI output unit 38, the SDI output unit 38 includes a 4x3G-SDI interface and a 12G-SDI interface, the 4x3G-SDI interface being configured to process the 4K SDI video-audio signals in a 4x3G-SDI signal format and output the video-audio signals, the 12G-SDI interface being configured to process the 4K SDI video-audio signals in a 12G-SDI signal format and output the video-audio signals; the 4K SDI signals are processed according to 4x3G-SDI and 12G-SDI interface specifications respectively, so that the 4x3G-SDI video and audio signals and the 12G-SDI video and audio signals are output respectively, and different transmission requirements are met conveniently.
In this embodiment, the data stream input interface unit 31, the multi-protocol decapsulation unit 32, the ultra-high definition HDMI-SDI conversion unit 37, and the SDI output unit 38 all use Intel FPGA chips, and the Intel FPGA chips are integrated circuit chips capable of implementing specific functions, and have the advantages of convenient and flexible programming, high integration level, high processing speed, low power consumption, and the like; the program analyzing unit 33, the video and audio demultiplexing unit 34, the video and audio decoding unit 35, the video and audio output unit 36 and the main control CPU unit 39 all adopt Haisi Hi3796MV200 chips, the Hi3796MV200 chips integrate a 4-core 64-bit high-performance Cortex A53 processor and a multi-core high-performance 2D/3D acceleration engine, and the CPU with high performance can meet various application requirements.
The AVS2 ultra-high-definition network video and audio professional decoder is suitable for network streaming media application, and input data streams support and receive video and audio transmission protocols of main streams such as HLS, RTMP, UDP, HTTP and the like through the built-in AVS2 ultra-high-definition decoding board 3, are seamlessly connected with a main stream streaming media server, are compatible with and decode all main stream video and audio coding formats such as AVS2, H.265, H.264 and the like, support professional-level 4K SDI signal output, and are convenient to meet the requirements of national streaming media platforms such as television stations, media convergence platforms, video websites and the like for receiving AVS2 ultra-high-definition video programs.
The foregoing is a preferred embodiment of the present invention and is not intended to limit the scope of the invention in any way, and any feature disclosed in this specification (including the accompanying drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Claims (9)
1. An AVS2 ultra-high definition network video and audio professional decoder, which is characterized in that: the AVS2 ultra-high definition decoding board comprises a shell (1), wherein an AVS2 ultra-high definition decoding board (3) and a front panel (2) are arranged in the shell (1), and the AVS2 ultra-high definition decoding board (3) is electrically connected with the front panel (2); the AVS2 ultra-high definition decoding board (3) is used for receiving data streams, analyzing and de-encapsulating video and audio transmission protocols, and outputting program streams and analyzed program information; the front panel (2) is used for displaying the program information and responding to a key trigger signal to select a corresponding program to be decoded; the AVS2 ultra-high definition decoding board (3) is also used for decoding and converting the program stream corresponding to the program to be decoded into a 4K SDI video and audio signal.
2. The AVS2 ultra high definition network video-audio specialty decoder of claim 1, wherein: the front panel (2) comprises a display screen and a key module, the display screen is used for displaying the program information, and the key module is used for responding to a key trigger signal to select a corresponding program to be decoded.
3. An AVS2 ultra high definition network video-audio professional decoder according to claim 2, wherein said AVS2 ultra high definition decoding board (3) comprises:
a data stream input interface unit (31) for receiving the data stream to be received;
a multi-protocol decapsulation unit (32) connected to the data stream input interface unit (31) and configured to parse and decapsulate the data stream according to the video/audio transport protocol, and output a program stream and a program information set;
the program analyzing unit (33) is connected to the multi-protocol decapsulation unit (32) and the front panel (2) and is used for receiving the program information set, analyzing the program information and sending the analyzed program information to the front panel (2);
the video and audio demultiplexing unit (34) is connected to the multi-protocol decapsulation unit (32) and is used for demultiplexing the video stream and the audio stream of the program stream corresponding to the program to be decoded and outputting the video stream and the audio stream to be decoded;
a video and audio decoding unit (35) connected to the video and audio demultiplexing unit (34) and configured to decode the video stream and the audio stream to be decoded and output decoded original video signals and original audio signals;
the video and audio output unit (36) is connected with the video and audio decoding unit (35) and is used for processing the original video signal and the original audio signal and outputting an HDMI video and audio signal;
the ultra-high definition HDMI-SDI conversion unit (37) is connected to the video and audio output unit (36) and is used for converting the HDMI video and audio signals and outputting 4K SDI video and audio signals;
an SDI output unit (38) connected to the ultra high definition HDMI-SDI conversion unit (37) for outputting the 4K SDI video and audio signals;
a main control CPU unit (39) respectively connected to the front panel (2), the data stream input interface unit (31), the multi-protocol decapsulation unit (32), the program parsing unit (33), the video/audio demultiplexing unit (34), the video/audio decoding unit (35), the video/audio output unit (36), the ultra high definition HDMI-SDI conversion unit (37), and the SDI output unit (38), and configured to control the AVS2 ultra high definition network video/audio professional decoder.
4. The AVS2 ultra high definition network video-audio specialty decoder of claim 1, wherein: the program information includes a program number, a program name, an operator, a video PID, an audio PID, and a PCR PID.
5. An AVS2 ultra high definition network video and audio professional decoder according to claim 3, wherein: the data stream input interface unit (31) adopts a 1000Base-T RJ45 interface.
6. An AVS2 ultra high definition network video and audio professional decoder according to claim 3, wherein: the SDI output unit (38) comprises a 4x3G-SDI interface and a 12G-SDI interface, the 4x3G-SDI interface is used for processing the 4K SDI video and audio signals according to a 4x3G-SDI signal format and outputting the video and audio signals, and the 12G-SDI interface is used for processing the 4K SDI video and audio signals according to a 12G-SDI signal format and outputting the video and audio signals.
7. An AVS2 ultra high definition network video and audio professional decoder according to claim 3, wherein: the data stream input interface unit (31), the multi-protocol decapsulation unit (32), the ultra-high definition HDMI-SDI conversion unit (37) and the SDI output unit (38) are all made of Intel FPGA chips.
8. An AVS2 ultra high definition network video and audio professional decoder according to claim 3, wherein: the program analysis unit (33), the video and audio demultiplexing unit (34), the video and audio decoding unit (35), the video and audio output unit (36) and the main control CPU unit (39) all adopt Haisi Hi3796MV200 chips.
9. An AVS2 ultra high definition network video-audio professional decoder according to any one of claims 1 to 8, characterized in that: the AVS2 ultra-high definition network video and audio professional decoder further comprises a power panel (4), the power panel (4) is electrically connected with the AVS2 ultra-high definition decoding panel (3), and the power panel (4) is used for supplying power to the AVS2 ultra-high definition network video and audio professional decoder.
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| CN202222224320.8U CN218006426U (en) | 2022-08-23 | 2022-08-23 | AVS2 ultra-high-definition network video and audio professional decoder |
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| CN202222224320.8U CN218006426U (en) | 2022-08-23 | 2022-08-23 | AVS2 ultra-high-definition network video and audio professional decoder |
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