An 8x5HDBT matrix switcher with MIC audio and Multi-View functions

Abstract

The present invention discloses an 8x5 HDBT matrix switcher with MIC audio and Multi-View functions, comprising a matrix switcher body, mounting ears, and a MIC input Phoenix mother socket. An input source button indicator light is movably mounted on the front of the matrix switcher body, an output button indicator light is movably connected to one side of the matrix switcher body below the input source button indicator light, and an ENTER button is movably mounted on the front of the matrix switcher body on the side of the output button indicator light. The present invention utilizes the coordination between the mounting ears, the MIC input Phoenix mother socket, a second RS232, an infrared interface, and a second network transparent transmission port. Screws are passed through the interior of the mounting hole to install and secure the matrix switcher body via the mounting ears. An external power cord is connected via a power plug. Pressing a switch energizes the interior of the matrix switcher body, energizing the matrix switcher body. Wiring the MIC input Phoenix mother socket and the MAIN Phoenix mother socket allows the matrix switcher body to be plugged into an audio device.

Description

Technical Field

[0001] The present invention relates to the technical field of matrix switchers, in particular to an 8x5HDBT matrix switcher with MIC audio and Multi-View functions. Background Art

[0002] A matrix switcher is a device that transmits one or more channels of video and audio signals to one or more display devices. For example, if two computer hosts want to share a display, the matrix switcher can arbitrarily output the contents of the two computer hosts to the same or multiple displays. A matrix switcher is a device that switches the output of multiple signals. Generally, it refers to having multiple output options in the case of multiple inputs, forming a matrix structure, that is, each output can be "short-circuited" with different input signals, and each output can only be connected to a certain input, but a certain input can be connected to different outputs at the same time. 8 choose 5 means there are 5 independent outputs, each output can be selected from 8 inputs, or there are 5 independent 8 choose 5, but the 8 inputs are the same. A matrix switcher is a device that transmits one or more channels of video and audio signals to one or more display devices. It can automatically search for signal switching distribution, supports single-channel or multi-channel automatic search of signals, and has multiple control functions. Mode selection is an innovative product in the matrix industry. The switching principle is selection. There are many ways to select. The simplest way is to connect the signal lines directly together, such as using a wiring board. The output signal line can also be manually connected to the input signal line to complete the selection. However, the current traditional matrix switchers are often multi-channel or single-channel input and single-channel output, with low resolution, resulting in low video output quality, resulting in large limitations in use, affecting the use of the matrix switcher. At the same time, when using the matrix switcher, multiple monitors are often required to display the picture, which is inconvenient to split the displayed picture, resulting in messy wires and easy tangling.

[0003] Therefore, it is urgent to design an 8x5HDBT matrix switcher with MIC audio and Multi-View functions to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to provide an 8x5HDBT matrix switcher with MIC audio and Multi-View functions to solve the problem proposed in the above background technology that the existing flexible harvesting platform cannot be adjusted parallel to the flatness of the land on site during harvesting operations, resulting in increased grain loss.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: an 8x5HDBT matrix switcher with MIC audio and Multi-View functions, comprising a matrix switcher body, mounting ears, and a Mic input Phoenix mother socket, wherein the front end of the matrix switcher body is movably installed with an input source button indicator light, an output button indicator light is movably connected to the side of the matrix switcher body below the input source button indicator light, an ENTER button is movably installed on the front end of the matrix switcher body on the side of the output button indicator light, and a SELECT / FULL button is movably installed on the front end of the matrix switcher body on the side of the input source button indicator light. -SCREEN button and MULTIVIEW button, a gain adjustment knob is rotatably installed on the front end of the matrix switcher body, and ears are fixedly connected to both sides of the matrix switcher body. A Mic input Phoenix mother socket is provided at the rear end of the matrix switcher body, and a MAIN Phoenix mother socket and a REFFERENCE connection port are provided at the rear end of the matrix switcher body on the side of the Mic input Phoenix mother socket, and a first RS232, a second RS232 and an RS232 serial port are provided at the rear end of the ear on the side of the REFFERENCE connection port, and an HDBT interface is provided at the rear end of the Mic input Phoenix mother socket.

[0006] Preferably, an audio serial port is provided at the rear end of the matrix switcher body at the bottom of the Mic input Phoenix mother seat, and a USB-C input port is provided at the rear end of the matrix switcher body.

[0007] Preferably, the rear end of the Mic input Phoenix socket is fixedly connected to a power plug, and one side of the Mic input Phoenix socket is movably connected to a switch that cooperates with the power plug.

[0008] Preferably, the rear end of the Phoenix mother socket with the Mic input on the second RS232 side is provided with a first network transparent transmission port and a second network transparent transmission port, and the rear end of the matrix switcher body on the side of the second network transparent transmission port is provided with a HOST interface.

[0009] Preferably, the front end of the matrix switcher body is fixedly connected with an infrared receiving head, and the rear end of the hanging ear is provided with an infrared interface that cooperates with the infrared receiving head.

[0010] Preferably, a MIC switching indicator light is fixedly mounted on the front end of the matrix switcher body on the side of the gain adjustment knob, and a columnar indicator light is fixedly connected to the front end of the matrix switcher body on the side of the gain adjustment knob.

[0011] Preferably, a circular foot is fixedly connected to the bottom of the matrix switcher body, a mounting hole is provided on the hanging ear, and heat dissipation holes are provided on both sides of the matrix switcher body.

[0012] Preferably, the 8x5HDBT matrix switcher with MIC audio and Multi-View functions is used in the following steps:

[0013] Step 1: Use the mounting ear screws to install and fix the matrix switcher through the mounting holes. Connect the power cord to the power plug to power on the matrix switcher. Press the switch to power on the matrix switcher. Connect the Mic input Phoenix mother socket and the MAIN Phoenix mother socket to the matrix switcher. Insert the audio device into the matrix switcher so that it can fully receive external audio files when in use. At the same time, use the MAIN Phoenix mother socket and the REFFERENCE connector to import the sound into the speakers. Connect the first and second network transparent transmission ports to external devices. Use the DEVICE interface to control the device. Connect an IR receiver to the infrared interface to receive signals from the remote control to control the unit. Connect external video devices to the audio serial port to facilitate observation and ensure that the connection is accurate.

[0014] Step 2: Use the IR receiver to control the infrared receiving heads, making it easy to connect the matrix switcher. The infrared receiving heads receive infrared signals from the local remote control or central control, allowing for convenient remote operation of the matrix switcher and controlling the local machine via the RS232 serial port. The MCU supports forwarding commands to the specified Rx, using the first network transparent transmission port for GUI control and TCP / IP control, while the second network transparent transmission port is used to transparently transmit the network to the Rx's Ethernet port. In addition, depending on the status of the external USB structure, the HOST interface, DEVICE interface, and USB-C input port are used to correspond to different interfaces. Each mic supports software 48V10mA audio cable transmission voltage to power devices such as condenser microphones. Each mic supports independent AEC processing, and each mic supports gain adjustment. The sound volume can be adjusted by rotating the gain adjustment knob. The mic switch indicator light allows for easy observation and adjustment of the volume, making it more convenient to use and a convenient reference when making adjustments.

[0015] Step 3: Switch the HOST through the GUI or command. There are three modes. There is no need to re-read when switching the HOST. It is always ready for use and switches automatically: if the selected Host is unplugged or the machine is restored to factory settings, the default is to read the USB-C Host port first. If there is no device on the port, the Host is read, and so on. There is a power-off memory. When the device is powered off, the last switch is remembered after powering on again. The USB on the TX end and the USB on the RX end can communicate with each other. When the PC dial code on the RX end is dialed to TX, the HOST on the TX end is used as the host, that is, the DEVICE on the RX end and the DEVICE on the TX end are both used to control the Host on the TX end, making switching convenient.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The 8x5HDBT matrix switcher with MIC audio and Multi-View functions is installed and fixed through the mounting ears, the MIC input Phoenix mother socket, the second RS232, the infrared interface and the second network transparent transmission port. Screws are inserted into the interior of the mounting hole and the matrix switcher body is installed and fixed through the mounting ears. The power cord is connected through the power plug. The switch is pressed to power on the matrix switcher body. The MIC input Phoenix mother socket and the MAIN Phoenix mother socket are connected to connect the matrix switcher body to the audio device, so that the matrix switcher body can fully receive external audio files when in use. At the same time, the MAIN Phoenix mother socket and the REFFERENCE connection port can be used to import sound into the speakers. The first network transparent transmission port and the second network transparent transmission port are connected to external devices. The device is controlled through the DEVICE interface, which facilitates control and is more convenient and quick to operate.

[0018] 2. The 8x5HDBT matrix switcher with MIC audio and Multi-View functions uses an IR receiver to control the infrared receiving heads, allowing the matrix switcher body to easily cooperate with the infrared receiving head to receive infrared signals from the local remote control or central control, making it easy to remotely operate the matrix switcher body. The local machine is controlled through the RS232 serial port, and commands are forwarded to the specified Rx through the MCU. The first network transparent transmission port is used for GUI control and TCP / IP control, while the second network transparent transmission port is used to transparently transmit the network to the Ethernet port of the Rx. The HOST interface, DEVICE interface and USB-C input port correspond to different interfaces respectively, making it more adaptable during file import and more widely used.

[0019] 3. The 8x5HDBT matrix switcher with MIC audio and Multi-View function selects the display mode, and the corresponding mode indicator light is always blue. The factory default is A, B, C and D four-divided screen: IN,, and correspond to the four output indicators A, B, C and D respectively. When switching to dual-screen mode, the corresponding mode indicator light is always on, and the two output indicators A and B are always on. In multi-screen mode, you can press the A / B / C / D button to display the window in full screen. For example, in the four-divided screen, the mode indicator light and ABCD indicator light are always on. Press A, the A indicator light is always on, the corresponding input indicator light is always on, the mode indicator light goes out, the BCD indicator light goes out, the A screen is displayed in full screen, and it is switched to single-screen mode. For example, when the screen is divided into four equal parts, the A / B / C / D indicator lights are always on. Press and hold B for more than three seconds, and the indicator lights of the other windows will go out. The corresponding connection input indicator light will be always blue. After three seconds, the A / B / C / D indicator lights will be always on, which can better observe the screen. At the same time, by rotating the gain adjustment knob (108), each Mic supports the voltage transmitted by the software 48V10mA audio cable to power devices such as condenser microphones. Each Mic supports separate AEC processing to achieve gain adjustment for each Mic. By rotating the gain adjustment knob 108, the volume of the sound can be adjusted. The MIC switching indicator light 203 can be used to easily observe and adjust the volume, making it more convenient to use and a convenient reference when adjusting. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a first perspective view of the present invention;

[0021] Figure 2 This is a second perspective view of the present invention;

[0022] Figure 3 A partial schematic diagram of the gain adjustment knob of the present invention;

[0023] Figure 4 It is a schematic diagram of the back structure of the present invention;

[0024] Figure 5 Input flow chart for the connection line of the present invention;

[0025] Figure 6 This is a video circuit output flow chart of the present invention;

[0026] Figure 7 This is the current input flow chart of the present invention.

[0027] Figure: 1. Matrix switcher body; 101. Infrared receiver; 102. Round foot; 103. Input source button indicator; 104. Output button indicator; 105. ENTER button; 106. SELECT / FULL-SCREEN button; 107. MULTIVIEW button; 108. Gain adjustment knob; 109. Column indicator; 2. Mounting ears; 201. Mounting holes; 202. Heat dissipation holes; 203. MIC switch indicator; 3. Mic input Phoenix Female connector; 301, MAIN Phoenix female connector; 302, REFFERENCE connector; 303, infrared interface; 304, first RS232; 305, second RS232; 306, RS232 serial port; 307, first network transparent transmission port; 308, second network transparent transmission port; 309, HOST interface; 4, DEVICE interface; 401, audio serial port; 402, USB-C input port; 403, HDBT interface; 404, power plug; 405, switch. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] See also Figure 1-7 , an embodiment provided by the present invention:

[0030] An 8x5HDBT matrix switcher with MIC audio and Multi-View functions includes a matrix switcher body 1, a mounting ear 2, and a Mic input Phoenix mother socket 3. The front end of the matrix switcher body 1 is movably installed with an input source button indicator 103. An output button indicator 104 is movably connected to one side of the matrix switcher body 1 below the input source button indicator 103. An ENTER button 105 is movably installed on the front end of the matrix switcher body 1 on the side of the output button indicator 104. A SELECT / FULL-SCREEN button 106 and a MU The matrix switcher body 1 has an LTIVIEW button 107. A gain adjustment knob 108 is rotatably mounted on the front of the matrix switcher body 1. Mounting ears 2 are fixedly attached to both sides of the matrix switcher body 1. A microphone input Phoenix mother socket 3 is located at the rear end of the matrix switcher body 1. A main Phoenix mother socket 301 and a reference connector 302 are located on the rear end of the matrix switcher body 1 on the side of the microphone input Phoenix mother socket 3. A first RS232 serial port 304, a second RS232 serial port 305, and an RS232 serial port 306 are located on the rear end of the mounting ear 2 on the side of the reference connector 302. An HDBT port 403 is located on the rear end of the microphone input Phoenix mother socket 3. Sound can be directed to the speakers via the main Phoenix mother socket 301 and the reference connector 302. The first and second network transparent transmission ports 307 and 308 can be connected to external devices, and the devices can be controlled via the device interface 4, making control more convenient and quicker.

[0031] An audio serial port 401 is located at the rear of the matrix switcher 1, located at the bottom of the Phoenix motherboard 3. A USB-C input port 402 is also located at the rear of the matrix switcher 1. The host port 309, device port 4, and USB-C input port 402 correspond to different interfaces, making file importing more flexible and allowing for a wider range of uses.

[0032] A power plug 404 is fixedly connected to the rear end of the mic input Phoenix mother socket 3, and a switch 405 that mates with the power plug 404 is movably connected to one side of the mic input Phoenix mother socket 3. Connecting an external power cord to the power plug 404 powers the matrix switcher 1, and pressing the switch 405 powers the matrix switcher 1 internally, making connecting devices more convenient and quicker.

[0033] The rear end of the Phoenix mother socket 3, on the side of the second RS232 305 microphone input, features a first network transparent transmission port 307 and a second network transparent transmission port 308. A host port 309 is located on the rear end of the matrix switcher body 1, on the side of the second network transparent transmission port 308. The first network transparent transmission port 307 is used for GUI and TCP / IP control, while the second network transparent transmission port 308 is used to transparently transmit the network to the Ethernet port on the receiver. Furthermore, depending on the state of the external USB device, the host port 309, device port 4, and USB-C input port 402 are used as corresponding interfaces. Switching between hosts is done through the GUI or commands in three modes. Switching between hosts does not require re-reading, ensuring instant and automatic switching. If the selected host is unplugged or the device is restored to factory settings, the USB-C host port is prioritized by default.

[0034] An infrared receiver 101 is fixedly connected to the front end of the matrix switcher body 1, and an infrared interface 303 is provided on the rear end of the mounting ear 2 for use with the infrared receiver 101. The infrared receiver 101 is controlled by an IR receiver, allowing the matrix switcher body 1 to be easily connected to the infrared receiver 101 and receive infrared signals from a local remote control or central control system, allowing for convenient remote operation of the matrix switcher body 1.

[0035] A MIC switch indicator light 203 is fixedly mounted on the front of the matrix switcher body 1 on the side of the gain adjustment knob 108. A columnar indicator light 109 is also fixedly connected to the front of the matrix switcher body 1 on the side of the gain adjustment knob 108. By rotating the gain adjustment knob 108, each mic channel supports the voltage transmitted by the 48V / 10mA audio cable, powering devices such as condenser microphones. Each mic channel supports independent AEC processing, enabling gain adjustment for each mic channel. Rotating the gain adjustment knob 108 adjusts the sound volume, and the MIC switch indicator light 203 allows for easy observation and adjustment of the volume, making it more convenient to use and providing a convenient reference when making adjustments.

[0036] The bottom of the matrix switcher body 1 is fixedly connected to a circular foot 102. Mounting holes 201 are provided on the mounting ears 2. Heat dissipation holes 202 are also provided on both sides of the matrix switcher body 1. These heat dissipation holes 202 facilitate ventilation and heat dissipation within the matrix switcher body 1, preventing overheating and damage to internal components during operation and extending its service life.

[0037] A method for using an 8x5 HDBT matrix switcher with MIC audio and Multi-View functions. The steps are as follows:

[0038] Step 1: Use the mounting ears 2 to connect the screws and install and fix the matrix switcher body 1 through the mounting holes 201. Connect the power cord through the power plug 404 to power on the matrix switcher body 1. Press the switch 405 to power on the inside of the matrix switcher body 1. Connect the Mic input Phoenix mother socket 3 and the MAIN Phoenix mother socket 301 to connect the matrix switcher body 1 to the audio device so that the matrix switcher body 1 can fully receive external audio files when in use. At the same time, use the MAIN Phoenix mother socket 301 and the REFFERENCE connection port 302 to import sound into the audio system. Connect the first network transparent transmission port 307 and the second network transparent transmission port 308 to external devices. Use the DEVICE interface 4 to connect the external control device for convenient control. Connect an IR receiver to the infrared interface 303 to receive signals from the remote control to control the machine. Connect an external video device through the audio serial port 401 to facilitate observation and ensure that the connection is correct.

[0039] Step 2: Use the IR receiver to control the infrared receiving head 101, so that the matrix switcher body 1 can be easily connected to the infrared receiving head 101, receive infrared signals from the local remote control or central control, and conveniently perform remote operation on the matrix switcher body 1. The machine is controlled through the RS232 serial port 306, and the MCU forwards the command to the specified Rx. The first network transparent transmission port 307 is used for GUI control and TCP / IP control, and the second network transparent transmission port 308 is used for transparent transmission of the network to the Ethernet port of Rx. In addition, according to the external U In the SB structure, the HOST interface 309, the DEVICE interface 4, and the USB-C input port 402 correspond to different interfaces respectively. Each mic supports the voltage transmitted by the software 48V10mA audio cable to power devices such as condenser microphones. Each mic supports independent AEC processing to achieve gain adjustment for each mic. The volume can be adjusted by rotating the gain adjustment knob 108. The MIC switching indicator light 203 can be used to easily observe and adjust the volume, making it more convenient to use and a convenient reference when adjusting.

[0040] Step 3: Switch the HOST through the GUI or command. There are three modes. There is no need to re-read when switching the HOST. It is always ready for use and switches automatically: if the selected Host is unplugged or the machine is restored to factory settings, the default is to read the USB-C Host port first. If there is no device on the port, the Host is read, and so on. There is a power-off memory. When the device is powered off, the last switch is remembered after powering on again. The USB on the TX end and the USB on the RX end can communicate with each other. When the PC dial code on the RX end is dialed to TX, the HOST on the TX end is used as the host, that is, the DEVICE on the RX end and the DEVICE on the TX end are both used to control the Host on the TX end, which is convenient for switching.

[0041] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An 8x5HDBT matrix switcher with MIC audio and Multi-View functions, comprising a matrix switcher body (1), a mounting ear (2) and a Mic input Phoenix mother socket (3), characterized in that: The front end of the matrix switcher main body (1) is movably mounted with an input source key indicator light (103), one side of the matrix switcher main body (1) at the bottom of the input source key indicator light (103) is movably connected to an output key indicator light (104), the front end of the matrix switcher main body (1) on the side of the output key indicator light (104) is movably mounted with an ENTER key (105), the front end of the matrix switcher main body (1) on the side of the input source key indicator light (103) is movably mounted with a SELECT / FULL-SCREEN key (106) and a MULTIVIEW key (107), the front end of the matrix switcher main body (1) is rotatably mounted with a gain adjustment knob (108), both sides of the matrix switcher main body (1) are fixedly connected with hanging ears (2), the front end of the matrix switcher main body (1) is fixedly connected with an infrared receiving head (101), the rear end of the hanging ear (2) is provided with an infrared interface (303) that cooperates with the infrared receiving head (101), and the rear end of the matrix switcher main body (1) is provided with a Mic Input Phoenix mother seat (3), the rear end of the matrix switcher body (1) on the side of the Mic input Phoenix mother seat (3) is provided with a MAIN Phoenix mother seat (301) and a REFFERENCE connection port (302), the rear end of the ear (2) on the side of the REFFERENCE connection port (302) is provided with a first RS232 (304), a second RS232 (305) and an RS232 serial port (306), the rear end of the Mic input Phoenix mother seat (3) on the side of the second RS232 (305) is provided with a first RS232 (304), a second RS232 (305) and an RS232 serial port (306), A first network transparent transmission port (307) and a second network transparent transmission port (308) are provided at the end, and a host interface (309) is provided at the rear end of the matrix switcher body (1) on one side of the second network transparent transmission port (308), an audio serial port (401) is provided at the rear end of the matrix switcher body (1) at the bottom of the Mic input Phoenix mother seat (3), and a USB-C input port (402) is provided at the rear end of the matrix switcher body (1), and an HDBT interface (403) is provided at the rear end of the Mic input Phoenix mother seat (3).

2. The 8x5 HDBT matrix switcher with MIC audio and Multi-View functions according to claim 1, characterized in that: The rear end of the Mic input Phoenix mother socket (3) is fixedly connected to a power plug (404), and one side of the Mic input Phoenix mother socket (3) is movably connected to a switch (405) that cooperates with the power plug (404).

3. The 8x5 HDBT matrix switcher with MIC audio and Multi-View functions according to claim 1, characterized in that: A MIC switching indicator light (203) is fixedly mounted on the front end of the matrix switcher body (1) on the side of the gain adjustment knob (108), and a columnar indicator light (109) is fixedly connected to the front end of the matrix switcher body (1) on the side of the gain adjustment knob (108).

4. The 8x5 HDBT matrix switcher with MIC audio and Multi-View functions according to claim 1, characterized in that: The bottom of the matrix switcher main body (1) is fixedly connected to a circular machine foot (102), the hanging ear (2) is provided with a mounting hole (201), and heat dissipation holes (202) are provided on both sides of the matrix switcher main body (1).

5. The 8x5 HDBT matrix switcher with MIC audio and Multi-View functions according to claim 1, characterized in that: The steps are as follows: Step 1: Use the mounting ears (2) to connect the screws and install and fix the matrix switcher body (1) through the mounting holes (201). Connect the power cord to the power plug (404) to power on the matrix switcher body (1). Press the switch (405) to power on the inside of the matrix switcher body (1). Connect the Mic input Phoenix mother socket (3) and the MAIN Phoenix mother socket (301) to connect the matrix switcher body (1) to the audio device so that the matrix switcher body (1) can fully receive external audio when in use. The audio files of the part can be imported into the sound system by using the MAIN Phoenix mother seat (301) and the REFFERENCE connection port (302). The first network transparent transmission port (307) and the second network transparent transmission port (308) are connected to the external device. The peripheral control device is controlled through the DEVICE interface (4) for convenient control. The IR receiver is connected to the infrared interface (303) to receive the signal from the remote control to control the machine. The external video device is conveniently connected through the audio serial port (401) for convenient observation and ensuring the accuracy of the connection. Step 2: The infrared receiving head (101) is controlled by the IR receiver, so that the matrix switcher body (1) can be conveniently connected to the infrared receiving head (101) to receive infrared signals from the local remote control or central control, and the matrix switcher body (1) can be conveniently remotely operated and controlled through the RS232 serial port (306); the instructions are forwarded to the designated Rx through the MCU, and the first network transparent transmission port (307) is used for GUI control and TCP / IP control, while the second network transparent transmission port (308) is used for transparent transmission of the network to the Ethernet port of Rx. In addition, according to the state of the external USB structure, the HOST interface (309), the DEVICE interface (4) and the USB-C input port (402) are used to correspond to different interfaces respectively. Each mic supports the voltage transmitted by the software 48V10mA audio cable. Each mic supports independent AEC processing, so that each mic supports gain adjustment. The volume of the sound can be adjusted by rotating the gain adjustment knob (108). The MIC switching indicator light (203) can be used to easily observe and adjust the volume, making it more convenient to use and a convenient reference when adjusting. Step 3: Switch the HOST through the GUI or command. There are three modes. There is no need to re-read when switching the HOST. It is always ready for use and switches automatically: if the selected Host is unplugged or the machine is restored to factory settings, the default is to read the USB-C Host port first. If there is no device on the port, Host 1 is read, and so on. Power-off memory is set. When the device is powered off, the last switch is remembered after powering on again. The USB on the TX end and the USB on the RX end can communicate with each other. When the PC dial code on the RX end is dialed to TX, the HOST on the TX end is used as the host, that is, the DEVICE on the RX end and the DEVICE on the TX end are both used to control the Host on the TX end, making switching convenient.

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