CN212435822U - Application module of composite video in audio-visual system - Google Patents
Application module of composite video in audio-visual system Download PDFInfo
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- CN212435822U CN212435822U CN202022143333.3U CN202022143333U CN212435822U CN 212435822 U CN212435822 U CN 212435822U CN 202022143333 U CN202022143333 U CN 202022143333U CN 212435822 U CN212435822 U CN 212435822U
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Abstract
The utility model discloses an application module of composite video in audio-visual system, including the DVD disc player that connects gradually, first video conversion module, HDMI video matrix module, third video conversion module and MIPI collection module, HDMI video matrix module has still connected gradually first video conversion module and satellite receiver, and first video conversion module and second video conversion module all are used for converting composite video into high definition video, and third video conversion module is used for converting high definition video into MIPI. The utility model discloses an on tall and erect system platform of ann, compound video with the screen display show, avoided multiple video source to frequently switch, use the operation simply to be suitable for.
Description
Technical Field
The utility model relates to an audio frequency and video technical field, concretely relates to application module of composite video in audio-visual system.
Background
The audio-visual system is a portable equipment with high function integration level, simple and intelligent control, strong environmental adaptability, reliable and stable operation, and integration, is used for developing cultural activities and carrying out propaganda promotion, and has the main functions of satellite television broadcast program receiving and playing, DVD video playing, song order-ordering and teaching, audio recording and playing storage, field sound amplification, military grade storage and playing, educational courseware demonstration and the like. At present, the equipment integration of the video and audio system is more and more widely applied, and the composite video is displayed on the same screen, the video source needs to be frequently switched, and the actual operation and the perception are not good.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the video source is switched repeatedly to compound video in with the screen display screen, and aim at provides the application of compound video in audio-visual system, has solved compound video and need not to switch the problem that can show on with the screen display screen.
The utility model discloses a following technical scheme realizes:
the application module of the composite video in the video-audio system comprises a DVD player, a first video conversion module, an HDMI video matrix module, a third video conversion module and an MIPI acquisition module which are sequentially connected, wherein the HDMI video matrix module is also sequentially connected with the first video conversion module and a satellite receiver, the first video conversion module and the second video conversion module are both used for converting the composite video into high-definition video, and the third video conversion module is used for converting the high-definition video into MIPI.
In army square, school playground, open sky, audio-visual system is used for carrying out cultural activities and carrying out the propaganda and encourages, uses DVD disc player and satellite receiver simultaneously, and the compound video of both outputs need frequently to switch over and come the same screen display, and the operation is inconvenient and feels also not good. Meanwhile, signals received by the satellite receiver are influenced by environmental factors such as weather, climate and terrain, especially in deep mountains with rare people and weak signals or in open places temporarily built under the influence of geological disasters, and output composite videos have particularity. The utility model discloses in, the compound video of DVD disk player and satellite receiver output converts compound video into HDMI high definition video through first video conversion module and second video conversion module, and rethread HDMI video matrix module, two advance one and select the back, convert the high definition video source into, and the resolution ratio is the highest to support 1920 x 1080@60Hz, and rethread third video conversion module is converted into the MIPI signal by HDMI. The signals are collected and processed by the MIPI collection module and converted into various outputs such as HDMI/VGA/LVDS and the like. The display device compatible with the interface is supported, so that the picture of the android interface can be displayed, the television pictures of the DVD/satellite receiver can be displayed in an overlapped mode, and picture-in-picture display is realized. The problem of among the prior art compound video source can't be with screen display, must switch the video source just can show is solved, had portably had formerly loaded down with trivial details operation.
Preferably, the first video conversion module and the second video conversion module are both MS1858 chips. The third video conversion module is a Toshiba TC358743XBG chip. The MIPI acquisition module is a core board RK3399 mainboard. The HDMI video matrix module is a PI3HDMI301 chip. The MIPI acquisition module is further connected with audio and video playing equipment and display equipment.
Further, the display device comprises a display screen and a projector, and the audio and video playing device comprises an audio power amplifier and a loudspeaker.
Further, stereo equipment is connected to the DVD player and the satellite receiver.
Furthermore, the DVD player is connected with the stereo equipment through an audio cable, and the satellite receiver is connected with the stereo equipment through an audio cable.
Furthermore, the first video conversion module is connected with the HDMI video matrix module through a video line, and the second video conversion module is connected with the HDMI video matrix module through a video line.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the method and the device have the advantages that the composite video is displayed on the same screen on the android system platform, frequent switching of various video sources is avoided, and the method and the device are simple and easy to use and operate and are suitable.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of example 1;
fig. 2 is a schematic structural diagram of embodiment 2.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1
This embodiment 1 is an application module of a composite video in a video-audio system, as shown in fig. 1, including a DVD player, a first video conversion module, an HDMI video matrix module, a third video conversion module and an MIPI acquisition module that are connected in sequence, the HDMI video matrix module further has a first video conversion module and a satellite receiver connected in sequence, the first video conversion module and the second video conversion module are both used for converting the composite video into a high-definition video, and the third video conversion module is used for converting the high-definition video into an MIPI.
In army square, school playground, open sky, audio-visual system is used for carrying out cultural activities and carrying out the propaganda and encourages, uses DVD disc player and satellite receiver simultaneously, and the compound video of both outputs need frequently to switch over and come the same screen display, and the operation is inconvenient and feels also not good. The composite video output by the video source DVD/satellite receiver is converted into an HDMI high-definition video through the first video conversion module and the second video conversion module, then is converted into a high-definition video source after two-in and one-out selection through the HDMI video matrix module, the highest resolution supports 1920 x 1080@60Hz, and then is converted into an MIPI signal through the HDMI through the third video conversion module. The signals are collected and processed by the MIPI collection module and converted into various outputs such as HDMI/VGA/LVDS and the like. The display device compatible with the interface is supported, so that the picture of the android interface can be displayed, the television pictures of the DVD/satellite receiver can be displayed in an overlapped mode, and picture-in-picture display is realized. The problem of among the prior art compound video source can't be with screen display, must switch the video source just can show is solved, had portably had formerly loaded down with trivial details operation. Meanwhile, signals received by the satellite receiver are influenced by environmental factors such as weather, climate and terrain, particularly in deep mountains with rare people and weak signals or in open places temporarily built under the influence of geological disasters, and output composite videos have particularity, and the problems can be effectively solved by using the method of the embodiment 1.
Example 2
Embodiment 2 is an application module of composite video acquisition in a video-audio system, as shown in fig. 2, including: DVD spy shadow machine (DVD spy shadow machine takes composite video) composite video output, satellite receiver (satellite receiver takes composite video) realizes that composite video changes the HDMI video through the little (MS1858) chip of macro crystal, through PI3HDMI301 chip, realizes HDM video matrix output, supports 480P, 567P, 720P, 1080i, 1080P resolution ratio. HDMI input is converted into MIPI-CSI camera signals through a Toshiba TC358743XBG chip, and MIPI-CSI signal acquisition and processing are realized through a core board RK3399 mainboard; and outputting the video to display equipment (a display screen, a projector and other equipment) through an RK3399 mainboard HDMI to realize the on-screen display of the composite video. And audio transmission to a loudspeaker is realized through an audio power amplifier to amplify the sound. The RuiKe micro RK3399 core board realizes the functions of song order and teaching, video playing, audio recording and playing storage, military code storage and playing, educational courseware demonstration and the like. The RuiKe micro RK3399 core board realizes multiple video output display HDMI/VGA/LVDS. The RuiKe micro RK3399 core board realizes the playing of a built-in program memory and an audio decoder.
The video source DVD/satellite receiver composite video is converted into a high-definition video source after two-in and one-out selection through a video matrix, the highest resolution supports 1920 x 1080@60Hz, and then is converted into an MIPI signal through HDMI. The signals are collected and processed by a CPU of a core mainboard and are converted into various outputs such as HDMI/VGA/LVDS and the like. The display device compatible with the interface is supported, so that the picture of the android interface can be displayed, the television pictures of the DVD/satellite receiver can be displayed in an overlapped mode, and picture-in-picture display is realized. The problem of compound video source before, unable screen is shown, must the video source switch just can show, has portably had loaded down with trivial details operation before.
The application module of the composite video collected in the audio-visual system comprises a plurality of paths of composite videos; the composite Video refers to the output of composite videos such as satellite receiving and DVD spy Video machines, analog signals CVBS/S-Video are converted into HDMI Video signals based on a Macro-crystal micro MS1858 chip, the HDMI is converted into MIPI-CSI camera signals through a Toshiba TC358743XBG chip, a Video and audio system which is matched with a nine-tripod-technology Rui-core micro RK3399 core board is carried, multi-channel Video signal acquisition is carried out in an android platform, and the purpose that the composite videos are displayed on the same screen of a display screen interface is achieved. Further comprising: the audio signal is output through the stereo sound, and is linked with the audio power amplifier to perform sound amplification of the sound box. And audio is transmitted to the projector display playing device through the HDMI, so that the transmission of audio and video is realized. On the android system platform, the composite video is displayed on the same screen, so that frequent switching of various video sources is simplified, and the use and operation are simple and easy to apply.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The application module of the composite video in the video-audio system is characterized by comprising a DVD player, a first video conversion module, an HDMI video matrix module, a third video conversion module and an MIPI acquisition module which are sequentially connected, wherein the HDMI video matrix module is further sequentially connected with the first video conversion module and a satellite receiver, the first video conversion module and the second video conversion module are both used for converting the composite video into high-definition video, and the third video conversion module is used for converting the high-definition video into MIPI.
2. The application module of the composite video in the video and audio system according to claim 1, wherein the first video conversion module and the second video conversion module are both MS1858 chips.
3. The application module of the composite video in the video and audio system according to claim 1, wherein the third video conversion module is a toshiba TC358743XBG chip.
4. The application module of the composite video in the video and audio system according to claim 1, wherein the MIPI collection module is a core board RK3399 motherboard.
5. The application module of the composite video in the audio-visual system according to claim 1, wherein the HDMI video matrix module is a PI3HDMI301 chip.
6. The application module of the composite video in the video and audio system according to claim 1, wherein the MIPI capture module is further connected to an audio and video playing device and a display device.
7. The application module of the composite video in the audio-visual system according to claim 6, wherein the display device comprises a display screen and a projector, and the audio-visual playing device comprises an audio power amplifier and a speaker.
8. The application module of the composite video in an audio-visual system according to claim 1, wherein a stereo device is connected to both the DVD player and the satellite receiver.
9. The application module of the composite video in a video and audio system according to claim 8, wherein the DVD player is connected to the stereo device through an audio cable, and the satellite receiver is connected to the stereo device through an audio cable.
10. The application module of the composite video in the video-audio system according to claim 1, wherein the first video conversion module is connected to the HDMI video matrix module through a video cable, and the second video conversion module is connected to the HDMI video matrix module through a video cable.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022143333.3U CN212435822U (en) | 2020-09-25 | 2020-09-25 | Application module of composite video in audio-visual system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022143333.3U CN212435822U (en) | 2020-09-25 | 2020-09-25 | Application module of composite video in audio-visual system |
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| CN212435822U true CN212435822U (en) | 2021-01-29 |
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