CN220570582U - HDMI switcher - Google Patents
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Abstract
The application provides an HDMI switcher, first video input module, second video input module, third video input module, fourth video input module are connected with video switching module respectively, video switching module is connected with audio processing module, audio processing module is connected with video output module, video audio output module, light borer digital audio output module, analog audio output module respectively, enhancement mode audio return channel input module is connected with video output module, enhancement mode audio return channel output module is connected with fourth video input module. In summary, the method and the device provide simplified audio wiring for users, are convenient and flexible in video and audio connection and switching experience, and meet the connection requirements among various multimedia devices.
Description
Technical Field
The present disclosure relates to the field of HDMI switches, and in particular, to an HDMI switch.
Background
An HDMI switcher is a device for connecting a plurality of HDMI signal sources and switching them to one HDMI display or television. It allows you to switch different HDMI signal sources to view different content on a single display device without changing the connection lines.
HDMI switches typically have multiple HDMI input ports and one HDMI output port. You can connect various HDMI devices to input ports such as a blu-ray player, a game console, a cable/satellite television receiver, a computer or a notebook computer, etc. Then, by means of control on the switch (typically buttons, remote control or auto-detection function), you can select a specific input source to be displayed and send it to the connected HDMI display.
The Chinese patent discloses an HDMI switcher with publication number of 2022-07-22 and publication number of CN217037310U, wherein the output end of an HDMI input interface module, the receiving end of an S/PDIF digital audio output interface module and the transmission end of the HDMI output interface module in the HDMI switcher are respectively connected to the corresponding ends of an ASIC module; wherein, the ASIC module is internally provided with an eARC signal processing module and a CEC control module; the CEC control module is used for controlling the television to enter or exit from the eARC mode; the eARC signal processing module is used for performing delay processing on the eARC audio signal to obtain a delay eARC audio signal; the S/PDIF digital audio output interface module is used for outputting the delay audio digital signal and/or the delay eARC audio signal to the rear-stage audio power amplifier equipment, so that the synchronization of the sound of the multichannel surround sound system and the television image is realized, and the problem that the sound and the picture are not synchronous due to the fact that the image is lagged behind the sound in the related scheme is solved.
However, the HDMI switch has an eARC signal processing module, but it still needs to provide a dedicated S/PDIF digital audio output interface, resulting in the need for an additional audio cable, which can increase audio wiring.
Disclosure of Invention
The object of the present application is to provide an HDMI switch that can simplify audio wiring.
In order to achieve the above object, the present application provides the following technical solutions:
the utility model provides an HDMI switch, includes first video input module, second video input module, third video input module, fourth video input module, video switching module, video processing module, audio processing module, video output module, video audio output module, light borer digital audio output module, analog audio output module, enhancement mode audio return channel input module and enhancement mode audio return channel output module, first video input module, second video input module, third video input module, fourth video input module are connected with the video switching module respectively, the video switching module is connected with audio processing module, the audio processing module is connected with video output module, video audio output module, light borer digital audio output module, analog audio output module respectively, enhancement mode audio return channel input module is connected with video output module, enhancement mode audio return channel output module is connected with fourth video input module.
Further, the video switching device also comprises a microcontroller unit, and the video switching module, the video processing module and the audio processing module are respectively connected with the microcontroller unit.
Further, the micro controller unit is of the type GD32F103RET6.
Further, the video processing device further comprises a power supply module, wherein the power supply module is respectively connected with the video switching module, the video processing module and the audio processing module.
Further, the video switching module is also connected with a dial switch module.
Further, the back end face of the HDMI switcher is provided with a first video input interface, a second video input interface, a third video input interface, a fourth video input interface, a video output interface, a video audio output interface, a light drill digital audio output interface and an analog audio output interface.
Further, the front end face of the HDMI switcher comprises an R5232 communication port, an EDID management switch, an infrared controller receiver, an audio channel LED indicator lamp, an audio EDID selection button, an HDMI input LED indicator lamp, an HDMI input selection button, an LED indicator lamp and a power switch button.
Further, boss portions are respectively arranged on two sides of the bottom of the HDMI switcher, and suckers are arranged on the boss portions.
Further, a plurality of heat dissipation holes are formed in the bottom of the HDMI switcher, and the heat dissipation holes are located between the boss portions.
The beneficial effects of this application are:
1. the video switching and selecting device is provided with the first video input module, the second video input module, the third video input module and the fourth video input module, so that a user is allowed to be connected with a plurality of video source devices, such as televisions, computers and game machines, at the same time, and convenient video switching and selecting are achieved.
2. The video switching module is connected with all video input modules, so that a user can easily switch and select different video source inputs. In this way, the user can choose to watch different video contents according to the needs, and the video source cable does not need to be replaced frequently.
3. The video switching module is connected with the video processing module and the audio processing module so as to ensure synchronous switching of audio and video. The audio processing module extracts and processes the audio signal accordingly, so that the user can enjoy high-quality audio output at the same time.
4. The audio processing module is connected with the video output module and the plurality of audio output modules, and the options provide a plurality of audio output interface choices for users so as to adapt to different audio devices and requirements.
5. In addition, the audio signal transmission device is further provided with an enhanced audio return channel input module and an enhanced audio return channel output module, so that a user is allowed to transmit the audio signal back to the fourth video input module in a video output mode, audio wiring is reduced, and more flexible audio connection options are provided for the user.
In summary, the method and the device provide simplified audio wiring for users, are convenient and flexible in video and audio connection and switching experience, and meet connection requirements among various multimedia devices.
Drawings
Fig. 1 is a block diagram of an HDMI switch according to an embodiment of the present application;
fig. 2 is a perspective view of an HDMI switch according to an embodiment of the present disclosure;
fig. 3 is a perspective view of another view of an HDMI switch according to an embodiment of the present disclosure;
fig. 4 is a perspective view of another view of an HDMI switch according to an embodiment of the present utility model; reference numerals illustrate:
1. a first video input module; 2. a second video input module; 3. a third video input module; 4. a fourth video input module; 5. a video switching module; 6. a video processing module; 7. an audio processing module; 8. a video output module; 9. the video and audio output module; 10. the optical fiber digital audio output module; 11. an analog audio output module; 12. an enhanced audio return channel input module; 13. an enhanced audio return channel output module; 14. a microcontroller unit; 15. a power supply module; 17. a first video input interface; 18. a second video input interface; 19. a third video input interface; 20. a fourth video input interface; 21. a video output interface; 22. a video audio output interface; 23. an optical fiber digital audio output interface; 24. an analog audio output interface; 25. r5232 communication port; 26. an EDID management switch; 27. an infrared controller receiver; 28. an audio channel LED indicator light; 29. an audio EDID select button; 30. HDMI inputs LED indicator lights; 31. HDMI inputs the selection button; 32. LED indicator lights; 33. a power switch button;
Detailed Description
The terminology used in the description of the embodiments of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application, as will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, an HDMI switch includes a first video input module 1, a second video input module 2, a third video input module 3, a fourth video input module 4, a video switching module 5, a video processing module 6, an audio processing module 7, a video output module 8, a video audio output module 9, an optical fiber digital audio output module 10, an analog audio output module 11, an enhanced audio backhaul channel input module 12, and an enhanced audio backhaul channel output module 13, wherein the first video input module 1, the second video input module 2, the third video input module 3, and the fourth video input module 4 are respectively connected with the video switching module 5, the video switching module 5 is connected with the audio processing module 7, the audio processing module 7 is respectively connected with the video output module 8, the video audio output module 9, the optical fiber digital audio output module 10, and the analog audio output module 11, the enhanced audio backhaul channel input module 12 is connected with the video output module 8, and the enhanced audio backhaul channel output module 13 is connected with the fourth video input module 4.
The video input device is provided with a first video input module 1, a second video input module 2, a third video input module 3 and a fourth video input module 4, so that a user is allowed to be connected with a plurality of video source devices, such as televisions, computers, game machines and the like, so that convenient video switching and selection are realized.
The application is provided with the video switching module 5, and all video input modules are connected with the video switching module 5, so that a user can easily switch and select different video source inputs. In this way, the user can choose to watch different video contents according to the needs, and the video source cable does not need to be replaced frequently.
The video switching module 5 is connected with the video processing module 6 and the audio processing module 7 so as to ensure synchronous switching of audio and video. The audio processing module 7 extracts and processes the audio signal accordingly so that the user can enjoy high-quality audio output at the same time.
The audio processing module 7 of the present application is connected to a video output module 8 and a plurality of audio output modules, which provide a variety of audio output interface options for the user to accommodate different audio devices and requirements.
In addition, the enhanced audio feedback channel input module 12 and the enhanced audio feedback channel output module 13 are further arranged, so that a user is allowed to transmit audio signals back to the fourth video input module 4 in a video output mode, audio wiring is reduced, and more flexible audio connection options are provided for the user.
In this embodiment, the device further includes a microcontroller unit 14, and the video switching module 5, the video processing module 6, and the audio processing module 7 are respectively connected to the microcontroller unit 14.
In the present embodiment, the microcontroller unit 14 is of the type GD32F103RET6.
In this embodiment, the device further includes a power supply module 15, where the power supply module 15 is connected to the video switching module 5, the video processing module 6, and the audio processing module 7, respectively.
In this embodiment, the video switching module 5 is further connected with a dial switch module. A dial switch module is an electronic component that is commonly used to set or configure parameters or options for a circuit or device. It consists of a set of physical toggle switches, each of which typically has two positions (typically up and down) for representing a binary 0 or 1. Dial switch modules are commonly used for digital setting or addressing, such as setting device addresses or selecting specific functions in electronic devices. They may also be used to store or select different parameters, modes or options, such as volume control of an audio device, difficulty level settings of an electronic game, etc.
In this embodiment, the rear end face a of the HDMI switcher is provided with a first video input interface 17, a second video input interface 18, a third video input interface 19, a fourth video input interface 20, a video output interface 21, a video audio output interface 22, a optical fiber digital audio output interface 23, and an analog audio output interface 24.
In this embodiment, the front end face B of the HDMI switcher includes an R5232 communication port 25, an EDID management switch 26, an infrared controller receiver 27, an audio channel LED indicator 28, an audio EDID selection button 29, an HDMI input LED indicator 30, an HDMI input selection button 31, an LED indicator 32, and a power switch button 33.
In this embodiment, two sides of the bottom of the HDMI switch are respectively provided with a boss portion 34, and the boss portion is provided with a suction cup 35.
In this embodiment, a plurality of heat dissipation holes 36 are formed at the bottom of the HDMI switch, and the heat dissipation holes 36 are located between the boss portions 34.
In the description of the embodiments of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, indirectly connected through an intermediary, or may be in communication with each other between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiments or implications herein must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the embodiments herein. In the description of the embodiments of the present application, the meaning of "a plurality" is two or more, unless specifically stated otherwise.
The terms first, second, third, fourth and the like in the description and in the claims of embodiments of the application and in the above-described figures, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented, for example, in sequences other than those illustrated or described herein. Furthermore, the terms "may include" and "have," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing embodiments are merely illustrative of the technical solutions of the embodiments of the present application, and are not limiting thereof. Although embodiments of the present application have been described in detail with reference to the foregoing embodiments, it will be appreciated by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments may be modified or some or all of the technical features may be replaced with equivalents. Such modifications and substitutions do not depart from the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (9)
1. An HDMI switch, characterized in that: the optical fiber type optical fiber digital audio processing device comprises a first video input module, a second video input module, a third video input module, a fourth video input module, a video switching module, a video processing module, an audio processing module, a video output module, a video audio output module, an optical fiber digital audio output module, an analog audio output module, an enhanced audio return channel input module and an enhanced audio return channel output module, wherein the first video input module, the second video input module, the third video input module and the fourth video input module are respectively connected with the video switching module, the video switching module is connected with the audio processing module, the audio processing module is respectively connected with the video output module, the video audio output module, the optical fiber digital audio output module and the analog audio output module, the enhanced audio return channel input module is connected with the video output module, and the enhanced audio return channel output module is connected with the fourth video input module.
2. An HDMI switch as in claim 1, wherein: the video switching module, the video processing module and the audio processing module are respectively connected with the microcontroller unit.
3. An HDMI switch as in claim 2, wherein: the microcontroller unit is of the type GD32F103RET6.
4. An HDMI switch as in claim 1, wherein: the video processing device further comprises a power supply module, wherein the power supply module is respectively connected with the video switching module, the video processing module and the audio processing module.
5. An HDMI switch as in claim 1, wherein: the video switching module is also connected with a dial switch module.
6. An HDMI switch as in claim 1, wherein: the back end face of the HDMI switcher is provided with a first video input interface, a second video input interface, a third video input interface, a fourth video input interface, a video output interface, a video audio output interface, an optical fiber digital audio output interface and an analog audio output interface.
7. An HDMI switch as in claim 1, wherein: the front end face of the HDMI switcher comprises an R5232 communication port, an EDID management switch, an infrared controller receiver, an audio channel LED indicator lamp, an audio EDID selection button, an HDMI input LED indicator lamp, an HDMI input selection button, an LED indicator lamp and a power switch button.
8. An HDMI switch as in claim 1, wherein: two sides of the bottom of the HDMI switcher are respectively provided with a boss part, and the boss parts are provided with suckers.
9. An HDMI switch as in claim 8, wherein: a plurality of heat dissipation holes are formed in the bottom of the HDMI switcher, and the heat dissipation holes are located between the boss portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321522914.5U CN220570582U (en) | 2023-06-15 | 2023-06-15 | HDMI switcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321522914.5U CN220570582U (en) | 2023-06-15 | 2023-06-15 | HDMI switcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220570582U true CN220570582U (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321522914.5U Active CN220570582U (en) | 2023-06-15 | 2023-06-15 | HDMI switcher |
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| CN (1) | CN220570582U (en) |
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- 2023-06-15 CN CN202321522914.5U patent/CN220570582U/en active Active
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