CN113612955A - Multi-interface conversion device - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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Abstract
The invention provides a multi-interface conversion device, comprising: the device comprises an Ethernet interface module, a V35 interface module, an optical interface module, an audio module, a video module and a processor, wherein the processor comprises a protocol conversion module; the Ethernet interface module, the V35 interface module, the optical interface module, the audio module and the video module are respectively connected with the processor; the Ethernet interface module and the V35 interface module respectively perform audio and video data transmission with the optical interface module through the protocol conversion module; the audio module carries out audio data transmission with the optical interface module through the protocol conversion module; the video module transmits video data with the optical interface module through the protocol conversion module; through the interconversion of different types of interfaces, the problem of poor signal quality caused by long-distance transmission of audio and video data is effectively solved, and the long-distance transmission requirement of the audio and video data under the severe electromagnetic environment is met.
Description
Technical Field
The invention relates to the field of satellite communication, in particular to a multi-interface conversion device.
Background
Currently, when a satellite communication device performs data transmission, audio data and video data are generally transmitted using an electrical signal. However, the transmission speed is low, the transmission distance is short, and the anti-electromagnetic interference capability is poor by adopting the transmission mode.
Disclosure of Invention
In view of the above, the present invention provides a multi-interface conversion device, which effectively solves the problem of poor signal quality caused by long-distance transmission of audio/video data through interconversion between different types of interfaces, and meets the long-distance transmission requirement of audio/video data in a severe electromagnetic environment.
In a first aspect, an embodiment of the present invention provides a multi-interface conversion apparatus, where the apparatus includes an ethernet interface module, a V35 interface module, an optical interface module, an audio module, a video module, and a processor, where the processor includes a protocol conversion module;
the Ethernet interface module, the V35 interface module, the optical interface module, the audio module and the video module are respectively connected with the processor;
the Ethernet interface module and the V35 interface module respectively perform audio and video data transmission with the optical interface module through the protocol conversion module;
the audio module carries out audio data transmission with the optical interface module through the protocol conversion module;
and the video module is used for carrying out video data transmission with the optical interface module through the protocol conversion module.
Furthermore, the device also comprises an external phase-locked loop module, the processor also comprises an internal phase-locked loop module, and the external phase-locked loop module is connected with the internal phase-locked loop module;
the external phase-locked loop module is used for outputting a reference clock;
the internal phase-locked loop module is used for obtaining the communication rate of the serializer according to the reference clock;
wherein, the interface of the serializer of the protocol conversion module is connected with the optical interface module, and the protocol conversion module adopts ARINC818 protocol.
Further, the audio and video data comprises first audio and video data;
the Ethernet interface module is used for receiving the first audio and video data;
the processor is used for caching and decompressing the first audio and video data to obtain decompressed first audio and video data, and performing protocol conversion on the decompressed first audio and video data through the protocol conversion module to obtain protocol-converted first audio and video data;
and the optical interface module is used for outputting the first audio and video data after the protocol conversion.
Further, the audio and video data further comprises second audio and video data;
the optical interface module is used for inputting the second audio and video data;
the processor is used for caching the second audio and video data, and performing protocol conversion through the protocol conversion module to obtain the second audio and video data after the protocol conversion; compressing the second audio and video data after the protocol conversion to obtain compressed second audio and video data;
and the Ethernet interface module is used for outputting the compressed second audio and video data.
Further, the audio and video data further comprises third audio and video data;
the V35 interface module is configured to receive the third audio/video data;
the processor is used for caching and decompressing the third audio-video data to obtain decompressed third audio-video data, and performing protocol conversion on the decompressed third audio-video data through the protocol conversion module to obtain protocol-converted third audio-video data;
and the optical interface module is used for outputting the third audio and video data after the protocol conversion.
Further, the audio and video data further comprises fourth audio and video data;
the optical interface module is used for inputting the fourth audio and video data;
the processor is used for caching the fourth audio and video data, performing protocol conversion through the protocol conversion module, and obtaining the fourth audio and video data after the protocol conversion; compressing the fourth audio and video data after the protocol conversion to obtain compressed fourth audio and video data;
and the V35 interface module is used for outputting the compressed fourth audio and video data.
Further, the audio module comprises an audio input module and an audio output module, and the audio data comprises first audio data;
the audio input module is used for inputting the first audio data;
the protocol conversion module is used for carrying out protocol conversion on the first audio data to obtain first audio data after the protocol conversion;
and the optical interface module is used for outputting the first audio data after the protocol conversion.
Further, the audio data further comprises second audio data;
the optical interface module is used for inputting the second audio data;
the protocol conversion module is used for carrying out protocol conversion on the second audio data to obtain second audio data after the protocol conversion;
and the audio output module is used for outputting the second audio data after the protocol conversion.
Further, the video module comprises a video input module and a video output module, and the video data comprises first video data;
the video input module is used for inputting the first video data;
the protocol conversion module is used for carrying out protocol conversion on the first video data to obtain first video data after protocol conversion;
and the optical interface module is used for outputting the first video data after the protocol conversion.
Further, the video data further comprises second video data;
the optical interface module is used for inputting the second video data;
the protocol conversion module is used for carrying out protocol conversion on the second video data to obtain second video data after the protocol conversion;
and the video output module is used for outputting the second video data after the protocol conversion.
The embodiment of the invention provides a multi-interface conversion device, which comprises: the device comprises an Ethernet interface module, a V35 interface module, an optical interface module, an audio module, a video module and a processor, wherein the processor comprises a protocol conversion module; the Ethernet interface module, the V35 interface module, the optical interface module, the audio module and the video module are respectively connected with the processor; the Ethernet interface module and the V35 interface module respectively perform audio and video data transmission with the optical interface module through the protocol conversion module; the audio module carries out audio data transmission with the optical interface module through the protocol conversion module; the video module transmits video data with the optical interface module through the protocol conversion module; through the interconversion of different types of interfaces, the problem of poor signal quality caused by long-distance transmission of audio and video data is effectively solved, and the long-distance transmission requirement of the audio and video data under the severe electromagnetic environment is met.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of a multi-interface conversion apparatus according to an embodiment of the present invention;
fig. 2 is a schematic diagram of another multi-interface conversion apparatus according to an embodiment of the present invention;
fig. 3 is a flowchart of a multi-interface conversion method according to a second embodiment of the present invention.
Icon:
1-an ethernet interface module; 2-V35 interface module; 3-an optical interface module; 4-an audio module; 5-a video module; 6-a processor; 61-protocol conversion module; 62-an internal phase-locked loop module; 7-DDR buffer module; 8-an external phase-locked loop module; 41-an audio input module; 42-an audio output module; 51-a video input module; 52-video output module.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For the understanding of the present embodiment, the following detailed description will be given of the embodiment of the present invention.
The first embodiment is as follows:
fig. 1 is a schematic diagram of a multi-interface conversion apparatus according to an embodiment of the present invention.
Referring to fig. 1, the apparatus includes an ethernet interface module 1, a V35 interface module 2, an optical interface module 3, an audio module 4, a video module 5, and a processor 6, the processor 6 including a protocol conversion module 61;
the Ethernet interface module 1, the V35 interface module 2, the optical interface module 3, the audio module 4 and the video module 5 are respectively connected with the processor 6;
the Ethernet interface module 1 and the V35 interface module 2 respectively perform audio and video data transmission with the optical interface module 3 through the protocol conversion module 61;
the audio module 4 performs audio data transmission with the optical interface module 3 through the protocol conversion module 61;
the video module 5 performs video data transmission with the optical interface module 3 through the protocol conversion module 61.
Here, the audio-video data includes audio data, video data, and audio-video mixing data. The device also comprises a DDR (Double Data random access memory) cache module 7 which is used for caching the audio and video Data.
In this embodiment, in the field of satellite communications, some devices have a variety of communication interfaces, and the present application provides a multi-interface conversion device, where the multi-interface conversion device includes an ethernet interface module, a V35 interface module, an optical interface module, an audio module, a video module, and a processor, and the processor includes a protocol conversion module; the Ethernet interface module and the V35 interface module respectively perform audio and video data transmission with the optical interface module through the protocol conversion module; the audio module carries out audio data transmission with the optical interface module through the protocol conversion module; the video module transmits video data with the optical interface module through the protocol conversion module; through the interconversion of different types of interfaces, the problem of poor signal quality caused by long-distance transmission of audio and video data is effectively solved, and the long-distance transmission requirement of the audio and video data under the severe electromagnetic environment is met.
Further, referring to fig. 2, the apparatus further includes an external pll module 8, the processor 6 further includes an internal pll module 62, and the external pll module 8 is connected to the internal pll module 62;
an external phase-locked loop module 8 for outputting a reference clock;
an internal phase-locked loop module 62, configured to obtain a communication rate of the serializer according to the reference clock;
the interface of the serializer of the protocol conversion module 61 is connected to the optical interface module 3, and the protocol conversion module 61 adopts ARINC818 protocol.
The ARINC818 (avinics Digital Video Bus) protocol is mainly used to meet the urgent requirements of high-performance and key Digital Video task transmission in the Avionics system.
Specifically, the processor 6 uses ARINC818 protocol to realize communication with the optical interface module through the high-speed serializer interface thereof, the communication rate supports 1.0625Gbps, 2.125Gbps, 3.1875Gbps and 4.25Gbps, and the communication rate can be configured.
The external phase-locked loop module 8 is used for outputting a reference clock; the internal phase-locked loop module 62 is configured to obtain a communication rate of the serializer according to the reference clock; the communication rate of the serializer is the reference clock N, N is a constant, and N is 20. In the application, N is kept unchanged, and different reference clocks are generated by changing the external phase-locked loop module 8, so that different communication rates are generated, and thus, the function of multiple communication rates based on the ARINC818 protocol is realized.
Further, the audio and video data comprises first audio and video data;
the Ethernet interface module 1 is used for receiving first audio and video data;
the processor 6 is used for caching and decompressing the first audio/video data to obtain decompressed first audio/video data, and performing protocol conversion on the decompressed first audio/video data through the protocol conversion module 61 to obtain protocol-converted first audio/video data;
and the optical interface module 3 is used for outputting the first audio and video data after the protocol conversion.
Further, the audio and video data also comprises second audio and video data;
the optical interface module 3 is used for inputting second audio and video data;
the processor 6 is configured to perform protocol conversion through the protocol conversion module 61 after caching the second audio/video data, and obtain the second audio/video data after the protocol conversion; compressing the second audio and video data after the protocol conversion to obtain compressed second audio and video data;
and the Ethernet interface module 1 is used for outputting the compressed second audio and video data.
Further, the audio and video data further comprises third audio and video data;
the V35 interface module 2 is used for receiving third audio and video data;
the processor 6 is configured to cache and decompress the third audio and video data to obtain decompressed third audio and video data, and perform protocol conversion on the decompressed third audio and video data through the protocol conversion module 61 to obtain protocol-converted third audio and video data;
and the optical interface module 3 is used for outputting the third audio and video data after the protocol conversion.
Further, the audio and video data further comprises fourth audio and video data;
the optical interface module 3 is used for inputting fourth audio and video data;
the processor 6 is configured to perform protocol conversion through the protocol conversion module 61 after caching the fourth audio/video data, and obtain fourth audio/video data after the protocol conversion; compressing the fourth audio and video data after the protocol conversion to obtain the compressed fourth audio and video data;
and the V35 interface module 2 is used for outputting the compressed fourth audio and video data.
Further, the audio module 4 includes an audio input module 41 and an audio output module 42, and the audio data includes first audio data;
an audio input module 41 for inputting first audio data;
the protocol conversion module 61 is configured to perform protocol conversion on the first audio data to obtain protocol-converted first audio data;
and the optical interface module 3 is used for outputting the first audio data after the protocol conversion.
Further, the audio data further includes second audio data;
the optical interface module 3 is used for inputting second audio data;
the protocol conversion module 61 is configured to perform protocol conversion on the second audio data to obtain second audio data after the protocol conversion;
and the audio output module 42 is configured to output the second audio data after the protocol conversion.
Here, the input of the audio data may be a bluetooth input, a microphone input, or a line input; the output of the audio data may be a bluetooth output, a speaker output, or a line output.
Further, the video module 5 includes a video input module 51 and a video output module 52, and the video data includes first video data;
a video input module 51 for inputting first video data;
the protocol conversion module 61 is configured to perform protocol conversion on the first video data to obtain protocol-converted first video data;
and the optical interface module 3 is used for outputting the first video data after the protocol conversion.
Further, the video data further includes second video data;
an optical interface module 3 for inputting second video data;
the protocol conversion module 61 is configured to perform protocol conversion on the second video data to obtain second video data after the protocol conversion;
and a video output module 52, configured to output the second video data after the protocol conversion.
Here, the video data may be an HDMI (High Definition Multimedia Interface), an SDI (Serial Digital Interface), or an MIPI (Mobile Industry Processor Interface).
The embodiment of the invention provides a multi-interface conversion device, which comprises: the device comprises an Ethernet interface module, a V35 interface module, an optical interface module, an audio module, a video module and a processor, wherein the processor comprises a protocol conversion module; the Ethernet interface module, the V35 interface module, the optical interface module, the audio module and the video module are respectively connected with the processor; the Ethernet interface module and the V35 interface module respectively perform audio and video data transmission with the optical interface module through the protocol conversion module; the audio module carries out audio data transmission with the optical interface module through the protocol conversion module; the video module transmits video data with the optical interface module through the protocol conversion module; through the interconversion of different types of interfaces, the problem of poor signal quality caused by long-distance transmission of audio and video data is effectively solved, and the long-distance transmission requirement of the audio and video data under the severe electromagnetic environment is met.
Example two:
fig. 3 is a flowchart of a multi-interface conversion method according to a second embodiment of the present invention.
Referring to fig. 3, the multi-interface conversion apparatus applied to the above-mentioned multi-interface conversion apparatus includes an ethernet interface module, a V35 interface module, an optical interface module, an audio module, a video module, and a processor including a protocol conversion module; the method comprises the following steps:
step S101, the Ethernet interface module and the V35 interface module respectively perform audio and video data transmission with the optical interface module through the protocol conversion module;
step S102, the audio module transmits audio data with the optical interface module through the protocol conversion module;
and step S103, the video module transmits video data with the optical interface module through the protocol conversion module.
The embodiment of the invention provides a multi-interface conversion method, which comprises the following steps: the Ethernet interface module and the V35 interface module respectively perform audio and video data transmission with the optical interface module through the protocol conversion module; the audio module carries out audio data transmission with the optical interface module through the protocol conversion module; the video module transmits video data with the optical interface module through the protocol conversion module; through the interconversion of different types of interfaces, the problem of poor signal quality caused by long-distance transmission of audio and video data is effectively solved, and the long-distance transmission requirement of the audio and video data under the severe electromagnetic environment is met.
The embodiment of the present invention further provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor, and when the processor executes the computer program, the steps of the multi-interface conversion method provided in the foregoing embodiment are implemented.
The embodiment of the present invention further provides a computer readable medium having non-volatile program codes executable by a processor, where a computer program is stored on the computer readable medium, and when the computer program is executed by the processor, the steps of the multi-interface conversion method of the above embodiment are performed.
The computer program product provided in the embodiment of the present invention includes a computer-readable storage medium storing a program code, where instructions included in the program code may be used to execute the method described in the foregoing method embodiment, and specific implementation may refer to the method embodiment, which is not described herein again.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A multi-interface conversion apparatus, comprising an ethernet interface module, a V35 interface module, an optical interface module, an audio module, a video module, and a processor, the processor comprising a protocol conversion module;
the Ethernet interface module, the V35 interface module, the optical interface module, the audio module and the video module are respectively connected with the processor;
the Ethernet interface module and the V35 interface module respectively perform audio and video data transmission with the optical interface module through the protocol conversion module;
the audio module carries out audio data transmission with the optical interface module through the protocol conversion module;
and the video module is used for carrying out video data transmission with the optical interface module through the protocol conversion module.
2. The multi-interface converting apparatus according to claim 1, wherein said apparatus further comprises an external phase-locked loop module, said processor further comprises an internal phase-locked loop module, said external phase-locked loop module being connected to said internal phase-locked loop module;
the external phase-locked loop module is used for outputting a reference clock;
the internal phase-locked loop module is used for obtaining the communication rate of the serializer according to the reference clock;
wherein, the interface of the serializer of the protocol conversion module is connected with the optical interface module, and the protocol conversion module adopts ARINC818 protocol.
3. The multi-interface conversion apparatus according to claim 1, wherein the audio-video data includes first audio-video data;
the Ethernet interface module is used for receiving the first audio and video data;
the processor is used for caching and decompressing the first audio and video data to obtain decompressed first audio and video data, and performing protocol conversion on the decompressed first audio and video data through the protocol conversion module to obtain protocol-converted first audio and video data;
and the optical interface module is used for outputting the first audio and video data after the protocol conversion.
4. The multi-interface conversion apparatus according to claim 1, wherein the audio-video data further comprises second audio-video data;
the optical interface module is used for inputting the second audio and video data;
the processor is used for caching the second audio and video data, and performing protocol conversion through the protocol conversion module to obtain the second audio and video data after the protocol conversion; compressing the second audio and video data after the protocol conversion to obtain compressed second audio and video data;
and the Ethernet interface module is used for outputting the compressed second audio and video data.
5. The multi-interface conversion apparatus according to claim 1, wherein said audio-video data further comprises third audio-video data;
the V35 interface module is configured to receive the third audio/video data;
the processor is used for caching and decompressing the third audio-video data to obtain decompressed third audio-video data, and performing protocol conversion on the decompressed third audio-video data through the protocol conversion module to obtain protocol-converted third audio-video data;
and the optical interface module is used for outputting the third audio and video data after the protocol conversion.
6. The multi-interface conversion apparatus according to claim 1, wherein the audio-video data further comprises fourth audio-video data;
the optical interface module is used for inputting the fourth audio and video data;
the processor is used for caching the fourth audio and video data, performing protocol conversion through the protocol conversion module, and obtaining the fourth audio and video data after the protocol conversion; compressing the fourth audio and video data after the protocol conversion to obtain compressed fourth audio and video data;
and the V35 interface module is used for outputting the compressed fourth audio and video data.
7. The multi-interface conversion apparatus according to claim 1, wherein the audio module includes an audio input module and an audio output module, and the audio data includes first audio data;
the audio input module is used for inputting the first audio data;
the protocol conversion module is used for carrying out protocol conversion on the first audio data to obtain first audio data after the protocol conversion;
and the optical interface module is used for outputting the first audio data after the protocol conversion.
8. The multi-interface conversion apparatus according to claim 7, wherein the audio data further comprises second audio data;
the optical interface module is used for inputting the second audio data;
the protocol conversion module is used for carrying out protocol conversion on the second audio data to obtain second audio data after the protocol conversion;
and the audio output module is used for outputting the second audio data after the protocol conversion.
9. The multi-interface converting apparatus according to claim 1, wherein the video module comprises a video input module and a video output module, and the video data comprises first video data;
the video input module is used for inputting the first video data;
the protocol conversion module is used for carrying out protocol conversion on the first video data to obtain first video data after protocol conversion;
and the optical interface module is used for outputting the first video data after the protocol conversion.
10. The multi-interface conversion apparatus according to claim 9, wherein the video data further includes second video data;
the optical interface module is used for inputting the second video data;
the protocol conversion module is used for carrying out protocol conversion on the second video data to obtain second video data after the protocol conversion;
and the video output module is used for outputting the second video data after the protocol conversion.
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