CN220421878U - Audio inserting equipment - Google Patents
Audio inserting equipment Download PDFInfo
- Publication number
- CN220421878U CN220421878U CN202320354769.8U CN202320354769U CN220421878U CN 220421878 U CN220421878 U CN 220421878U CN 202320354769 U CN202320354769 U CN 202320354769U CN 220421878 U CN220421878 U CN 220421878U
- Authority
- CN
- China
- Prior art keywords
- pin
- electrically connected
- interface
- hdmi
- main control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 238000010586 diagram Methods 0.000 description 10
- 230000005236 sound signal Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 235000021167 banquet Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Landscapes
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The utility model relates to the technical field of a circuit of a inserting device, in particular to an audio inserting device, which comprises an HDMI input interface, a coding module, a main control chip and an HDMI output interface which are electrically connected in sequence; the coding module comprises a receiving module, a BT1120 data transmission interface and an audio data transmission interface; the HDMI input interface is electrically connected with the main control chip through the coding module, the coding module is electrically connected with the HDMI input interface through the receiving module, the receiving module converts HDMI input interface signals represented by the high-definition video playing source into BT1120 signals, the coding module receives the BT1120 signals and converts the BT1120 signals into digital video signals to be input to the main control chip, the main control chip decodes the digital video signals, and accordingly a video layer of the digital video signals serving as the main control chip and advertisement data are overlapped in a picture layer to realize advertisement input, and accordingly diversity of playing contents is improved.
Description
Technical Field
The utility model relates to the technical field of inserting equipment circuits, in particular to audio inserting equipment.
Background
In some places such as shops, shops or banquet, video players are often equipped in public places to release ornamental or propaganda videos for the spectators to watch, and to insert advertisements and other contents in video playing gaps. At present, the conventional advertisement delivery mode can not meet the propaganda requirement of merchants through simply delivering advertisements. The existing advertisement inserting system plays advertisement related content mainly through an advertisement machine, a data interface of the advertisement machine is a traditional transmission stream or an IP stream (the IP stream is communication equipment of access network equipment, media IP and signaling IP.), and the input advertisement data can only be displayed on the equipment in a superimposed mode by connecting a video source and the advertisement data. In order to enrich the advertisement delivery mode, there is an increasing demand for adding advertisement data on the basis of the picture of the video playing device. However, the existing advertisement equipment lacks the capability of carrying out data processing on a video playing source of the high-definition video playing equipment, and advertisement data built in the advertisement equipment cannot be overlapped into an external high-definition video through data processing, so that playing experience is reduced.
Disclosure of Invention
In order to overcome the defects in the prior art, the technical problem to be solved by the utility model is to provide the audio inserting equipment, which improves the capability of processing data of a video playing source.
In order to solve the technical problems, the utility model adopts the following technical scheme: the audio inserting equipment comprises an HDMI input interface, an encoding module, a main control chip and an HDMI output interface which are electrically connected in sequence;
the coding module comprises a receiving module, and a BT1120 data transmission interface and an audio data transmission interface which are respectively and electrically connected with the receiving module; the receiving module comprises an HDMI connection port, a video output port, a control port and an audio output port;
the receiving module is electrically connected with the output pin of the HDMI input interface through the data input pin of the HDMI connection port;
the receiving module is electrically connected with an input port of the BT1120 data transmission interface through a video output port;
the receiving module is electrically connected with the audio data transmission interface through an audio output port;
the receiving module is electrically connected with the main control chip through a control port;
the main control chip is electrically connected with an input pin of the HDMI output interface.
Further, the model of the receiving module is SiI9293CNUC, and the 2 nd, 3 rd, 4 th, 5 th, 6 th, 7 th, 8 th, 9 th and 21 st pins of the HDMI connection port are electrically connected with the 12 th, 10 th, 9 th, 7 th, 6 th, 4 th, 3 rd, 1 st and 19 th pins of the HDMI input interface in one-to-one correspondence respectively.
Further, the 35 th, 36 th, 34 th, 39 th, 40 th, 41 th, 42 th, 43 th, 44 th, 48 th, 49 th, 50 th, 51 th, 52 th, 53 th, 54 th, 55 th, 57 th, 58 th, 59 th, 60 th, 63 th, 64 th, 65 th and 66 th pins of the video output port are electrically connected with the H25 th, H23 th, H24 th, E22 th, E23 th, C21 th, B21 th, E24 th, E25 th, F23 th, F24 th, F25 th, G23 th, G24 th, G25 th, a21 st, C22 th, B22 th, a22 th, B23 th, a23 th, C24 th and C25 th pins of the BT1120 data transmission interface in sequence, respectively.
Further, the 30 th pin of the audio output port is electrically connected with the B19 pin of the audio data transmission interface.
Further, the 1 st, 3 rd, 4 th, 6 th, 7 th, 10 th, 12 th, 15 th, 13 th and 19 th pins of the HDMI output interface are electrically connected to the 96 th, 95 th, 94 th, 93 rd, 91 st, 89 th, 88 th, 86 th, 83 th and 84 th pins of the main control chip in one-to-one correspondence, respectively.
Further, the device also comprises a storage unit, wherein the storage unit is electrically connected with the HDMI input interface and the receiving module respectively.
Further, the model of the storage unit is AT24C256-10SU-2.7, and the 5 th pin and the 6 th pin of the storage unit are respectively and correspondingly electrically connected with the 15 th pin and the 16 th pin of the HDMI input interface one by one; and the 6 th pin and the 7 th pin of the storage unit are respectively and sequentially and electrically connected with the 19 th pin and the 20 th pin of the receiving module in a one-to-one correspondence manner.
Further, the device also comprises an infrared receiver, and the infrared receiver is electrically connected with the main control chip.
Further, the device also comprises two high-definition interface protection units, wherein one end of each high-definition interface protection unit is electrically connected with an input pin of the HDMI output interface, and the other end of each high-definition interface protection unit is electrically connected with the main control chip;
one end of the other high-definition interface protection unit is electrically connected with an input pin of the HDMI output interface, and the other end of the other high-definition interface protection unit is electrically connected with the main control chip.
Further, the model of the high-definition interface protection unit is RClamp0524P;
the 1 st pin, the 2 nd pin, the 4 th pin and the 5 th pin of the high-definition interface protection unit are respectively and correspondingly electrically connected with the 12 th pin, the 10 th pin, the 9 th pin and the 7 th pin of the HDMI output interface in a one-to-one mode, and the 6 th pin, the 7 th pin, the 9 th pin and the 10 th pin of the high-definition interface protection unit are respectively and correspondingly electrically connected with the 91 st pin, the 90 th pin, the 89 th pin and the 88 th pin of the main control chip in a one-to-one mode;
the 1 st pin, the 2 nd pin, the 4 th pin and the 5 th pin of the other high-definition interface protection unit are respectively and correspondingly and electrically connected with the 6 th pin, the 4 th pin, the 3 rd pin and the 1 st pin of the HDMI output interface in a one-to-one mode; and the 6 th pin, the 7 th pin, the 9 th pin and the 10 th pin of the other high-definition interface protection unit are respectively and correspondingly and electrically connected with the 96 th pin, the 95 th pin, the 94 th pin and the 92 th pin of the main control chip in one-to-one correspondence.
Further, the USB interface is provided, the model of the USB interface is USB-4P-A-90D-VT001, and the No. 2 pin and the No. 3 pin of the USB interface are respectively and sequentially electrically connected with the No. 80 pin and the No. 81 pin of the main control chip in a one-to-one correspondence manner.
The utility model has the beneficial effects that: the HDMI input interface is electrically connected with the main control chip through the encoding module, the encoding module is electrically connected with the HDMI input interface through the receiving module, a high-definition video playing source transmitted by the HDMI input interface can be received, the receiving module converts HDMI input interface signals represented by the high-definition video playing source into BT1120 signals, BT1120 data transmission interfaces and audio data transmission interfaces of the encoding module respectively receive the BT1120 signals and convert the BT1120 signals into digital video signals to be input to the main control chip, the main control chip decodes the digital video signals, and accordingly a video layer of the digital video signals serving as the main control chip and advertisement data are subjected to image overlapping to realize advertisement input, finally high-definition videos are output through the HDMI output interface, and processed videos can be released again on the video playing device, so that the diversity of playing contents is improved.
Drawings
Fig. 1 is a circuit diagram of a main control chip of an audio inserting device;
fig. 2 is a circuit diagram of an HDMI input interface of an audio jack;
fig. 3 is a circuit diagram of a receiving module of an audio inserting device;
fig. 4 is a circuit connection diagram of a high-definition interface protection unit of an audio inserting device;
fig. 5 is a circuit diagram illustrating a BT1120 data transfer interface of an audio jack;
fig. 6 is a circuit diagram of an audio data transmission interface of an audio inserting device;
fig. 7 is a circuit diagram showing a memory unit of an audio inserting apparatus;
fig. 8 is a circuit diagram of an infrared receiver of an audio inserting apparatus;
FIG. 9 is a circuit diagram showing a USB interface of an audio inserting device;
fig. 10 is a circuit diagram of a TS interface of an audio inserting apparatus;
description of the reference numerals:
1. an HDMI input interface; 2. a coding module; 21. a receiving module; 211. an HDMI connection port; 212. an audio output port; 213. a video output port; 214. a power supply unit; 215. a control unit; 22. BT1120 data transfer interface; 23. an audio data transmission interface; 3. a main control chip; 4. a storage unit; 5. an infrared receiver; 6. a high-definition interface protection unit; 7. a USB interface.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 9, the present utility model provides an audio inserting device, which includes an HDMI input interface, an encoding module, a main control chip and an HDMI output interface electrically connected in sequence;
the coding module comprises a receiving module, and a BT1120 data transmission interface and an audio data transmission interface which are respectively and electrically connected with the receiving module; the receiving module comprises an HDMI connection port, a video output port, a control port and an audio output port;
the receiving module is electrically connected with the output pin of the HDMI input interface through the data input pin of the HDMI connection port;
the receiving module is electrically connected with an input port of the BT1120 data transmission interface through a video output port;
the receiving module is electrically connected with the audio data transmission interface through an audio output port;
the receiving module is electrically connected with the main control chip through a control port;
the main control chip is electrically connected with an input pin of the HDMI output interface.
From the above description, the beneficial effects of the utility model are as follows: the HDMI input interface is electrically connected with the main control chip through the encoding module, the encoding module is electrically connected with the HDMI input interface through the receiving module, a high-definition video playing source transmitted by the HDMI input interface can be received, the receiving module converts HDMI input interface signals represented by the high-definition video playing source into BT1120 signals, BT1120 data transmission interfaces and audio data transmission interfaces of the encoding module respectively receive the BT1120 signals and convert the BT1120 signals into digital video signals to be input to the main control chip, the main control chip decodes the digital video signals, and accordingly a video layer of the digital video signals serving as the main control chip and advertisement data are subjected to image overlapping to realize advertisement input, finally high-definition videos are output through the HDMI output interface, and processed videos can be released again on the video playing device, so that the diversity of playing contents is improved.
Further, the model of the receiving module is SiI9293CNUC, and the 2 nd, 3 rd, 4 th, 5 th, 6 th, 7 th, 8 th, 9 th and 21 st pins of the HDMI connection port are electrically connected with the 12 th, 10 th, 9 th, 7 th, 6 th, 4 th, 3 rd, 1 st and 19 th pins of the HDMI input interface in one-to-one correspondence respectively.
As can be seen from the above description, the HDMI connection port is electrically connected to the output pin of the HDMI input interface through the pin, and can simultaneously support the MHL or HDMI high definition link input by the HDMI input interface.
Further, the 35 th, 36 th, 34 th, 39 th, 40 th, 41 th, 42 th, 43 th, 44 th, 48 th, 49 th, 50 th, 51 th, 52 th, 53 th, 54 th, 55 th, 57 th, 58 th, 59 th, 60 th, 63 th, 64 th, 65 th and 66 th pins of the video output port are electrically connected with the H25 th, H23 th, H24 th, E22 th, E23 th, C21 th, B21 th, E24 th, E25 th, F23 th, F24 th, F25 th, G23 th, G24 th, G25 th, a21 st, C22 th, B22 th, a22 th, B23 th, a23 th, C24 th and C25 th pins of the BT1120 data transmission interface in sequence, respectively.
As can be seen from the above description, the video output port is electrically connected to the BT1120 data transfer interface through the pin, so that video output can be achieved.
Further, the 30 th pin of the audio output port is electrically connected with the B19 pin of the audio data transmission interface.
As can be seen from the above description, the audio output port is electrically connected to the audio data transmission interface through the pin, and the audio output port can support one I2S output channel to support two audio channels.
Further, the device also comprises a storage unit, wherein the storage unit is electrically connected with the HDMI input interface and the receiving module respectively.
Further, the model of the storage unit is AT24C256-10SU-2.7, and the 5 th pin and the 6 th pin of the storage unit are respectively and correspondingly electrically connected with the 15 th pin and the 16 th pin of the HDMI input interface one by one; and the 6 th pin and the 7 th pin of the storage unit are respectively and sequentially and electrically connected with the 19 th pin and the 20 th pin of the receiving module in a one-to-one correspondence manner.
As is apparent from the above description, the memory unit realizes a flash memory function for data input from the HDMI input interface.
Further, the device also comprises an infrared receiver, and the infrared receiver is electrically connected with the main control chip.
From the above description, it is clear that the infrared control module can implement a man-machine interface interaction function.
Further, the device also comprises two high-definition interface protection units, wherein one end of each high-definition interface protection unit is electrically connected with an input pin of the HDMI output interface, and the other end of each high-definition interface protection unit is electrically connected with the main control chip;
one end of the other high-definition interface protection unit is electrically connected with an input pin of the HDMI output interface, and the other end of the other high-definition interface protection unit is electrically connected with the main control chip.
Further, the model of the high-definition interface protection unit is RClamp0524P;
the 1 st pin, the 2 nd pin, the 4 th pin and the 5 th pin of the high-definition interface protection unit are respectively and correspondingly electrically connected with the 12 th pin, the 10 th pin, the 9 th pin and the 7 th pin of the HDMI output interface in a one-to-one mode, and the 6 th pin, the 7 th pin, the 9 th pin and the 10 th pin of the high-definition interface protection unit are respectively and correspondingly electrically connected with the 91 st pin, the 90 th pin, the 89 th pin and the 88 th pin of the main control chip in a one-to-one mode;
the 1 st pin, the 2 nd pin, the 4 th pin and the 5 th pin of the other high-definition interface protection unit are respectively and correspondingly and electrically connected with the 6 th pin, the 4 th pin, the 3 rd pin and the 1 st pin of the HDMI output interface in a one-to-one mode; and the 6 th pin, the 7 th pin, the 9 th pin and the 10 th pin of the other high-definition interface protection unit are respectively and correspondingly and electrically connected with the 96 th pin, the 95 th pin, the 94 th pin and the 92 th pin of the main control chip in one-to-one correspondence.
As can be seen from the above description, the high-definition interface protection unit has low capacitor and high protection capability, and can provide protection for the connection ends of the main control chip and the HDMI input interface and the HDMI output interface.
Further, the USB interface is provided, the model of the USB interface is USB-4P-A-90D-VT001, and the No. 2 pin and the No. 3 pin of the USB interface are respectively and sequentially electrically connected with the No. 80 pin and the No. 81 pin of the main control chip in a one-to-one correspondence manner.
As can be seen from the above description, the USB interface may be used to store advertisement picture files, trotting horse content files, etc. to be displayed, and may support USB recording of the play content.
Referring to fig. 1 to 9, a first embodiment of the present utility model is as follows: the audio inserting equipment comprises an HDMI input interface, an encoding module, a main control chip and an HDMI output interface which are electrically connected in sequence. The model of the coding module is MB86M22, and the coding module comprises a receiving module, and a BT1120 data transmission interface 22 and an audio data transmission interface 23 which are respectively and electrically connected with the receiving module.
In this embodiment, the type of the chip IC4 receiving module is SiI9293CNUC, and the receiving module includes an HDMI connection port, an audio output port, a video output port, a power supply unit, and a control port. The 2 nd, 3 rd, 4 th, 5 th, 6 th, 7 th, 8 th, 9 th and 21 st pins of the HDMI connection port are respectively and sequentially electrically connected with the 12 th, 10 th, 9 th, 7 th, 6 th, 4 th, 3 rd, 1 st and 19 th pins of the HDMI input interface in a one-to-one correspondence manner. The 35 th, 36 th, 34 th, 39 th, 40 th, 41 th, 42 th, 43 rd, 44 th, 48 th, 49 th, 50 th, 51 th, 52 th, 53 th, 54 th, 55 th, 57 th, 58 th, 59 th, 60 th, 63 th, 64 th, 65 th and 66 th pins of the video output port are electrically connected with the H25 th, H23 th, H24 th, E22 th, E23 th, C21 th, B21 th, E24 th, E25 th, F23 th, F24 th, F25 th, G23 th, G24 th, G25 th, a21 th, C22 th, B22 th, a22 th, B23 th, a23 th, C24 th and C25 th pins of the BT1120 data transmission interface in one-to-one correspondence, respectively. The 30 th pin of the audio output port of the chip IC4 receiving module is electrically connected with the B19 pin of the audio data transmission interface. And the 13 th pin and the 14 th pin of the control port are respectively and electrically connected with the 51 st pin of the main control chip. The power supply unit supplies power to the HDMI connection port, the audio output port, the video output port and the control unit respectively. The receiving module can combine the mobile high definition link MHL and the standard high definition multimedia interface HDMI. Having MHL inputs up to 1080p60 and 3D1080p30 frame sequences helps support both MHL and HDMI. And the receiving module has an effective color space conversion to convert the RGB or YCbCr video data input to a standard definition or high definition RGB or YCbCr format.
In this embodiment, the model of the main control chip is MSA3Z173, and the HDMI input interface CON5 is used for electrically connecting with an external video playing device, where the external video playing device is preferably an IPTV set-top box. The IPTV set top box can input the high-definition video playing source through the HDMI input interface. Specifically, the 1 st pin, the 3 rd pin, the 4 th pin, the 6 th pin, the 7 th pin, the 10 th pin, the 12 th pin, the 15 th pin, the 13 th pin and the 19 th pin of the HDMI output interface are respectively and sequentially electrically connected with the 96 th pin, the 95 th pin, the 94 th pin, the 93 rd pin, the 91 st pin, the 89 th pin, the 88 th pin, the 86 th pin, the 83 th pin and the 84 th pin in a one-to-one correspondence manner.
In this embodiment, the device further includes two high-definition interface protection units, where the model of the high-definition interface protection unit is RClamp0524P. Specifically, a 1 st pin, a2 nd pin, a 4 th pin and a 5 th pin of the high-definition interface protection unit U9 are respectively and sequentially electrically connected with a 12 th pin, a 10 th pin, a 9 th pin and a 7 th pin of the HDMI output interface in a one-to-one correspondence manner, and a 6 th pin, a 7 th pin, a 9 th pin and a 10 th pin of the high-definition interface protection unit U9 are respectively and sequentially electrically connected with a 91 st pin, a 90 th pin, a 89 th pin and a 88 th pin of the main control chip in a one-to-one correspondence manner.
The 1 st pin, the 2 nd pin, the 4 th pin and the 5 th pin of the other high-definition interface protection unit U10 are respectively and correspondingly and electrically connected with the 6 th pin, the 4 th pin, the 3 rd pin and the 1 st pin of the HDMI output interface in a one-to-one mode; and the 6 th pin, the 7 th pin, the 9 th pin and the 10 th pin of the other high-definition interface protection unit U10 are respectively and correspondingly and electrically connected with the 96 th pin, the 95 th pin, the 94 th pin and the 92 th pin of the main control chip in a one-to-one correspondence manner. The high-definition interface protection unit has ultra-low capacitor and high protection capability, and is suitable for high-resolution HDMI output interfaces, high-resolution video interfaces and USB3.0 products.
In this embodiment, the device further includes a chip IC6 storage unit, where the type of the storage unit is AT24C256-10SU-27, and the storage unit is electrically connected to the HDMI input interface and the receiving module, respectively. Specifically, the 5 th pin and the 6 th pin of the memory unit are respectively and sequentially electrically connected with the 15 th pin and the 16 th pin of the HDMI input interface in a one-to-one correspondence manner; and the 6 th pin and the 7 th pin of the storage unit are respectively and sequentially and electrically connected with the 19 th pin and the 20 th pin of the receiving module in a one-to-one correspondence manner.
In this embodiment, the device further includes an infrared receiver 7, and further includes an infrared receiver, where a 1 st pin of the infrared receiver is electrically connected to a 116 st pin of the main control chip.
In this embodiment, the device further includes a USB interface CON2 and a standby USB interface electrically connected to the main control chip, where the 2 nd pin and the 3 rd pin of the USB interface are electrically connected to the 80 th pin and the 81 st pin of the main control chip in a one-to-one correspondence manner. And the 1 st pin and the 2 nd pin of the standby USB interface are respectively and sequentially and electrically connected with the 30 th pin and the 31 st pin of the main control chip in a one-to-one correspondence manner. The USB interface is used for being connected with an external USB flash disk, advertisement content files which need to be released are stored in the USB flash disk, the advertisement content files comprise advertisement picture files, trotting horse lamp content files and the like, the USB interface reads and records the advertisement content files in the USB flash disk, and the advertisement content is displayed on the main control chip.
In this embodiment, the 76 th pin, the 77 th pin, the 78 th pin and the 79 th pin of the main control chip are electrically connected with the 8 th pin, the 6 th pin, the 3 rd pin and the 1 st pin of the display module with the existing model of F1602SMG in sequence. The 61 st pin, the 62 nd pin and the 63 rd pin of the main control chip are respectively and correspondingly and electrically connected with the 5 th pin, the 6 th pin and the 7 th pin of the traditional NC/310X chip in one-to-one correspondence. The 118 th pin, the 119 th pin and the 120 th pin of the main control chip are respectively and correspondingly and electrically connected with the 3 rd pin, the 1 st pin and the 2 nd pin of the storage chip with the model of EN25Q64 in a one-to-one mode.
In this embodiment, the encoding module further includes a TS interface chip IC1-22, where the 1 st pin, the 2 nd pin, the 10 th pin, and the 11 th pin of the chip IC1-22 are electrically connected to the 44 th pin, the 43 rd pin, the 42 nd pin, and the 41 st pin of the main control chip in sequence, respectively. The coding module realizes conversion from BT1120 signals to video signals and inputs the video signals to the main control chip in serial TS stream. Working principle: the HDMI input interface is connected with external video playing equipment so as to input a high-definition video playing source, and the high-definition video playing source recodes and synthesizes BT1120 audio signals in the receiving module and inputs the BT1120 audio signals to the main control chip; the USB input interface is connected with interfaces such as an external USB flash disk and the like storing advertisement data, and the stored advertisement data is input into the main control chip; and the main control chip re-synthesizes the BT1120 audio signal and the advertisement information into a high-definition video and accesses the external video playing device through the HDMI output interface.
In summary, according to the audio inserting device provided by the utility model, the HDMI input interface is electrically connected with the main control chip through the encoding module, the encoding module is electrically connected with the HDMI input interface through the receiving module, and is capable of receiving the high-definition video playing source transmitted by the HDMI input interface, the receiving module converts the HDMI input interface signal represented by the high-definition video playing source into the BT1120 signal, the BT1120 data transmission interface and the audio data transmission interface of the encoding module respectively receive the BT1120 signal and convert the BT1120 signal into the digital video signal to be input to the main control chip, the main control chip decodes the digital video signal, so that the digital video signal can be used as the video layer of the main control chip to be overlapped with the advertisement data to realize the advertisement input, and finally, the high-definition video is output through the HDMI output interface, so that the processed video can be put back on the video playing device, and the diversity of the playing content is improved.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (10)
1. The audio inserting equipment is characterized by comprising an HDMI input interface, an encoding module, a main control chip and an HDMI output interface which are electrically connected in sequence;
the coding module comprises a receiving module, and a BT1120 data transmission interface and an audio data transmission interface which are respectively and electrically connected with the receiving module; the receiving module comprises an HDMI connection port, a video output port, a control port and an audio output port;
the receiving module is electrically connected with the output pin of the HDMI input interface through the data input pin of the HDMI connection port;
the receiving module is electrically connected with an input port of the BT1120 data transmission interface through a video output port;
the receiving module is electrically connected with the audio data transmission interface through an audio output port;
the receiving module is electrically connected with the main control chip through a control port;
the main control chip is electrically connected with an input pin of the HDMI output interface.
2. The audio inserting device according to claim 1, wherein the model of the receiving module is SiI9293CNUC, and the 2 nd pin, the 3 rd pin, the 4 th pin, the 5 th pin, the 6 th pin, the 7 th pin, the 8 th pin, the 9 th pin and the 21 st pin of the HDMI connection port are electrically connected with the 12 th pin, the 10 th pin, the 9 th pin, the 7 th pin, the 6 th pin, the 4 th pin, the 3 rd pin, the 1 st pin and the 19 th pin of the HDMI input interface in sequence, respectively.
3. The audio inter-cut device of claim 2, wherein the 35 th, 36 th, 34 th, 39 th, 40 th, 41 st, 42 th, 43 th, 44 th, 48 th, 49 th, 50 th, 51 th, 52 th, 53 th, 54 th, 55 th, 57 th, 58 th, 59 th, 60 th, 63 th, 64 th, 65 th, and 66 th pins are electrically connected in sequence with the H25 th, H23 th, H24 th, E22 th, E23 th, C21 st, B21 st, E24 th, E25 th, F23 th, F24 th, F25 th, G23 th, G24 th, G25 th, a21 th, C22 th, B22 th, a22 nd, B23 th, a23 nd, C24 th, and C25 th pins of the BT1120 data transmission interface, respectively.
4. The audio inter-cut device of claim 2, wherein pin 30 of the audio output port is electrically connected to pin B19 of the audio data transmission interface.
5. The audio inter-cut device according to claim 2, wherein the 1 st, 3 rd, 4 th, 6 th, 7 th, 10 th, 12 th, 15 th, 13 th and 19 th pins of the HDMI output interface are electrically connected to the 96 th, 95 th, 94 th, 93 rd, 91 st, 89 th, 88 th, 86 th, 83 th and 84 th pins of the main control chip in sequence, respectively.
6. The audio inter-cut device of claim 1, further comprising a storage unit electrically connected to the HDMI input interface and the receiving module, respectively.
7. The audio inter-cut device according to claim 6, wherein the model of the storage unit is AT24C256-10SU-2.7, and a 5 th pin and a 6 th pin of the storage unit are electrically connected with a 15 th pin and a 16 th pin of the HDMI input interface in sequence in a one-to-one correspondence manner, respectively; and the 6 th pin and the 7 th pin of the storage unit are respectively and sequentially and electrically connected with the 19 th pin and the 20 th pin of the receiving module in a one-to-one correspondence manner.
8. The audio inter-cut device according to claim 1, further comprising two high-definition interface protection units, wherein one end of one high-definition interface protection unit is electrically connected with an input pin of the HDMI output interface, and the other end of the other high-definition interface protection unit is electrically connected with the main control chip;
one end of the other high-definition interface protection unit is electrically connected with an input pin of the HDMI output interface, and the other end of the other high-definition interface protection unit is electrically connected with the main control chip.
9. The audio inter-cut device according to claim 8, wherein the model of the high-definition interface protection unit is RClamp0524P;
the 1 st pin, the 2 nd pin, the 4 th pin and the 5 th pin of the high-definition interface protection unit are respectively and correspondingly electrically connected with the 12 th pin, the 10 th pin, the 9 th pin and the 7 th pin of the HDMI output interface in a one-to-one mode, and the 6 th pin, the 7 th pin, the 9 th pin and the 10 th pin of the high-definition interface protection unit are respectively and correspondingly electrically connected with the 91 st pin, the 90 th pin, the 89 th pin and the 88 th pin of the main control chip in a one-to-one mode;
the 1 st pin, the 2 nd pin, the 4 th pin and the 5 th pin of the other high-definition interface protection unit are respectively and correspondingly and electrically connected with the 6 th pin, the 4 th pin, the 3 rd pin and the 1 st pin of the HDMI output interface in a one-to-one mode; and the 6 th pin, the 7 th pin, the 9 th pin and the 10 th pin of the other high-definition interface protection unit are respectively and correspondingly and electrically connected with the 96 th pin, the 95 th pin, the 94 th pin and the 92 th pin of the main control chip in one-to-one correspondence.
10. The audio inter-cut device according to claim 1, further comprising a USB interface, wherein the type of the USB interface is USB-4P-a-90D-VT001, and a2 nd pin and a3 rd pin of the USB interface are electrically connected to an 80 th pin and an 81 st pin of the main control chip in a one-to-one correspondence manner, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320354769.8U CN220421878U (en) | 2023-03-01 | 2023-03-01 | Audio inserting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320354769.8U CN220421878U (en) | 2023-03-01 | 2023-03-01 | Audio inserting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220421878U true CN220421878U (en) | 2024-01-30 |
Family
ID=89645084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320354769.8U Active CN220421878U (en) | 2023-03-01 | 2023-03-01 | Audio inserting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220421878U (en) |
-
2023
- 2023-03-01 CN CN202320354769.8U patent/CN220421878U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3090747U (en) | Media player compatible with various types of flash memory cards | |
| CN101690216B (en) | Transmission device, information transmission method, reception device, and information processing method | |
| CN102170547A (en) | Communication device, communication control method, and program | |
| CN103037169A (en) | Picture split joint combination method of embedded hard disk video | |
| CN103745682B (en) | A kind of method of asynchronous cascade | |
| CN220421878U (en) | Audio inserting equipment | |
| US20010013131A1 (en) | Computerized advertisement broadcasting system | |
| CN103281573B (en) | Multifunctional visual audio signal transmitting/receiving device | |
| CN104519403A (en) | Audio control device and method | |
| CN101894537A (en) | Multi-information source switching control system of presentation terminal | |
| CN109743475A (en) | The presentation-guiding device of multichannel live streaming | |
| US20050013592A1 (en) | Device and method for reproducing sound and motion picture | |
| CN102484690B (en) | Method for video recording of a mobile terminal,device and system thereof | |
| CN101197981A (en) | TV set for recording audio/video information and its implementing method | |
| CN103050845A (en) | HDMI (High-Definition Multimedia Interface) wire with amplifier | |
| CN202406241U (en) | Digit media player | |
| CN2924968Y (en) | High definition media player | |
| CN202679492U (en) | Image splicing device possessing video recording and playing function | |
| CN202373297U (en) | High-definition player capable of playing blue light international standardization organization (ISO) files smoothly | |
| CN100433803C (en) | Digital media player | |
| CN105245806A (en) | Portable projector based on mobile interconnection | |
| CN205123889U (en) | Portable projector based on remove interconnection | |
| CN211127968U (en) | Video playing system for electric competition studio | |
| CN111083414B (en) | Main control circuit board and display device | |
| CN101882411A (en) | Liquid crystal display with digital multi-media player function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |