CN216391222U - Communication equipment integrating receiver and transmitter - Google Patents
Communication equipment integrating receiver and transmitter Download PDFInfo
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- CN216391222U CN216391222U CN202121645538.XU CN202121645538U CN216391222U CN 216391222 U CN216391222 U CN 216391222U CN 202121645538 U CN202121645538 U CN 202121645538U CN 216391222 U CN216391222 U CN 216391222U
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Abstract
The utility model relates to the technical field of wireless video transmission, in particular to a communication device integrating a receiver and a transmitter, which comprises a power supply processing module, a radio frequency module, an audio and video processing unit, a main control module and a user operation module, wherein the audio and video processing unit is respectively connected with the power supply processing module, the main control module and the radio frequency module, the main control module is connected with the user operation module, the radio frequency module is also connected with the power supply processing module, the audio and video processing unit further comprises an audio and video codec chip, and the audio and video codec chip is respectively connected with a video distributor chip, a video switching switch chip and an audio codec chip. The receiver and the transmitter can be integrated in the communication equipment integrating the receiver and the transmitter, and the research and development cost can be reduced.
Description
Technical Field
The utility model relates to a wireless video transmission technical field, in particular to communication equipment of receiver and transmitter an organic whole.
Background
At present, in the field of wireless video transmission, a receiver and a transmitter of the existing image transmission are independent, the functions are relatively single, only unidirectional transmission of audio and video is supported, and the following defects exist:
1. in the stage of product research and development, two different PCBAs (printed circuit boards assemblies) need to be designed due to different functions of a receiver and a transmitter, and software needs to debug products on two hardware platforms, so that the research and development period, human resources and research and development cost are increased.
2. In the production stage of the product, the types of materials are increased due to the difference between the receiver and the transmitter, and the purchase cost, the material management cost and the production cost of the company are increased.
3. In the using stage of the user, since the function is relatively single, when the user needs to use additional functions, such as the user needs to talk, the distance between the transmitter and the receiver is relatively long, and the communication is inconvenient, usually, the communication needs to be performed by means of additional wireless voice communication equipment, which increases the cost of the user and the inconvenience of operation.
4. In the after-sales maintenance stage, different after-sales maintenance training needs to be performed on the receiver and the transmitter, two sets of materials need to be prepared for after-sales maintenance, and the management cost and the operation cost of a company are increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned drawbacks of the prior art, the present invention provides a communication device with an integrated receiver and transmitter, which solves the above-mentioned problems in the prior art.
The technical scheme adopted by the utility model for solving the problems in the prior art is as follows: the utility model provides a communication equipment of receiver and transmitter an organic whole, includes power processing module, radio frequency module, audio and video processing unit, host system and user operation module, audio and video processing unit respectively with power processing module, host system and radio frequency module connect, host system with user operation module connects, radio frequency module still connects power processing module, wherein, audio and video processing unit still includes audio and video codec chip, audio and video codec chip is connected with video distributor chip, video change over switch chip, audio codec chip respectively.
As a preferred scheme of the present invention, the audio/video codec chip is further connected to a digital audio input/output interface.
As a preferred scheme of the present invention, the video distributor chip is further connected with an HDMI transmitting chip and an SDI transmitting chip, respectively.
As a preferred scheme of the present invention, the HDMI transmitting chip is further connected to an HDMI output interface, and the SDI transmitting chip is further connected to an SDI output interface.
As a preferred embodiment of the present invention, the video switcher chip is further connected to an HDMI receiving chip and an SDI receiving chip.
As a preferred scheme of the present invention, the HDMI receiving chip is further connected to an HDMI input interface, and the SDI receiving chip is further connected to an SDI input interface.
As a preferred scheme of the present invention, the audio codec chip is further connected to an analog audio input/output interface.
As a preferred scheme of the present invention, the audio/video codec chip is further connected to a USB interface.
In the communication equipment integrating the receiver and the transmitter, a power supply processing module, a radio frequency module, an audio and video processing unit, a main control module and a user operation module are arranged, wherein an audio and video codec chip of the audio and video processing unit is connected with a video distributor chip, a video switching switch chip and an audio codec chip respectively, so that the integration of the functions of the receiver and the transmitter can be realized, the research and development cost can be reduced, the same PCBA board is adopted, the early hardware design period is shortened, the sample plate production time and the test period are shortened, and the research and development cost is reduced.
Drawings
Fig. 1 is a schematic block diagram of a receiver and transmitter integrated communication device of the present invention;
fig. 2 is a schematic circuit diagram of a communication device incorporating a receiver and a transmitter according to the present invention.
Reference numbers in the figures: 101. a power supply processing module; 102. a radio frequency module; 103. an audio/video processing unit; 104. a main control module; 105. and a user operation module.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in figures 1 and 2: the utility model provides a receiver and integrative communications facilities of transmitter, includes power processing module 101, radio frequency module 102, audio frequency and video processing unit 103, host system 104 and user operation module 105, audio frequency and video processing unit 103 respectively with power processing module 101, host system 104 and radio frequency module 102 are connected, host system 104 with user operation module 105 connects, radio frequency module 102 still connects power processing module 101, wherein, audio frequency and video processing unit 103 still includes audio frequency and video codec chip, audio frequency and video codec chip is connected with video distributor chip, video change over switch chip, audio frequency codec chip respectively.
In the communication equipment integrating the receiver and the transmitter, by arranging the power supply processing module 101, the radio frequency module 102, the audio and video processing unit 103, the main control module 104 and the user operation module 105, wherein the audio and video processing unit 103 is an audio and video codec chip, the audio and video codec chip is respectively connected with a video distributor chip, a video switch chip and an audio codec chip, the functions of the receiver and the transmitter can be integrated into a whole, the research and development cost can be reduced, because the same PCBA board is adopted, the early-stage hardware design period is reduced, the sample plate production time and the test period are shortened, and the research and development cost is reduced.
Furthermore, the audio and video codec chip is also connected with a digital audio input and output interface.
Furthermore, the video distributor chip is also connected with an HDMI transmitting chip and an SDI transmitting chip respectively.
Furthermore, the HDMI transmitting chip is further connected with an HDMI output interface, and the SDI transmitting chip is further connected with an SDI output interface.
Furthermore, the video switch chip is also connected with an HDMI receiving chip and an SDI receiving chip.
Furthermore, the HDMI receiving chip is further connected with an HDMI input interface, and the SDI receiving chip is further connected with an SDI input interface.
Furthermore, the audio encoding and decoding chip is also connected with an analog audio input and output interface
Furthermore, the audio/video codec chip is also connected with a USB interface.
Therefore, the communication equipment integrating the receiver and the transmitter also has abundant video signal interfaces and audio interfaces, can realize the mutual conversion and expansion of HDMI and SDI video signals, can realize the connection of different audio equipment, and further realizes the two-way voice call between the transmitter and the receiver or the transmission of third-party audio signals; in addition, the audio/video codec chip is also connected with a USB interface, different peripherals can be expanded through the USB interface to realize the function of user differentiation, for example, the audio/video codec chip is connected with a Bluetooth headset for conversation, a network card connected with the USB interface can be directly connected with a current pusher or a PC end for realizing the current pushing function, and the audio/video codec chip is connected with a USB expander for interface expansion and the like.
The working process is as follows:
in transmitter mode, the signal links are as follows:
1. the video signal (HDMI signal or SDI signal) enters the audio/video processing unit 103 through the HDMI input interface or SDI input interface, is converted into YUV or RGB signal through the HDMI receiving chip or SDI receiving chip, and the video signal is selected by the video input changeover switch module to enter the audio/video codec module, and after being encoded by the audio/video codec module, the video signal is sent to the radio frequency module 102 in the form of video TC stream, and the video TC stream is sent to the receiver through the radio frequency module 102.
2. The audio and video coding and decoding module sends the video signals sent by the video input change-over switch module to the audio and video signal output module, and the video signals are converted into HDMI signals and SDI signals through the corresponding video output conversion module to be output.
The link can also realize the interconversion of HDMI and SDI video signals and the expansion of a video output interface.
3. The analog audio signals are transmitted to the audio digital-to-analog conversion module through the analog audio interface and are sent to the audio and video coding and decoding module through 12S digital audio signals, or the digital audio signals are sent to the audio and video coding and decoding module through the digital audio input and output interface, the module embeds the received audio signals input by different interfaces into different identification information to be coded into an AAC format and sends the AAC format to the radio frequency module 102, and the radio frequency module 102 sends the received audio streams to the receiver through the radio frequency signals.
4. The information of the user operation module 105 is transmitted to the audio/video processing unit 103 through the main control module 104, and then transmitted to the receiver through the radio frequency module 102.
5. The rf module 102 may receive a control signal (such as switching frequency point, switching video signal source, and state of a tally lamp) sent by the receiver through the uplink channel, and the main control module 104 may perform corresponding control on the transmitter after receiving the control signal at the receiver.
6. The radio frequency module 102 may receive an audio signal sent by the receiver through the uplink channel, and the audio signal is decoded into an I2S digital audio signal by the audio/video codec module and then sent to the digital audio interface through the embedded identification information or converted into an analog audio signal by the audio digital-to-analog conversion module and sent to the analog audio interface.
7. And a USB interface is added, so that the product system can be upgraded and the peripheral equipment can be connected. Different drivers can be loaded in the system according to different requirements of users to meet the peripheral requirements of the users. Such as external mouse, keyboard, bluetooth earphone, USB to network port plug flow, etc.
In receiver mode, the signal links are as follows:
1. the radio frequency module 102 sends the received video stream to the audio and video coding and decoding module through the downlink channel, the audio and video coding and decoding module decodes the received video stream into YUV or RGB video signals and sends the YUV or RGB video signals to the video distributor chip, the video distributor chip duplicates the received YUV or RGB video signals into two paths of YUV or RGB signals and respectively sends the two paths of YUV or RGB signals to the HDMI transmitting chip or the SDI transmitting chip to convert the two paths of YUV or RGB signals into corresponding video signals, and the corresponding video signals are output through the HDMI output interface or the SDI output interface.
2. The video signal (HDMI signal or SDI signal) enters the audio/video processing unit 103 through the HDMI input interface or SDI input interface, is converted into YUV or RGB signal by the video input conversion module, the video signal required is selected by the video input changeover switch module to enter the audio/video codec module, the video signal output by the audio/video codec module is selected by the user operation module 105, and is converted into HDMI signal and SDI signal by the corresponding video output conversion module to be output. The link can realize the interconversion of HDMI and SDI video signals and the expansion of a video output interface.
3. The analog audio signals are transmitted to the audio digital-to-analog conversion module through the analog audio input and output interface, and are sent to the audio video coding and decoding module through 12S digital audio signals, or the digital audio signals are sent to the audio video coding and decoding module through the digital audio input and output interface, the module embeds the received audio signals input by different interfaces into different identification information, codes the audio signals into an AAC format and sends the AAC format to the radio frequency module 102, and the radio frequency module 102 sends the received audio streams to the transmitter through radio frequency signals.
4. The radio frequency module 102 receives a control signal (such as switching frequency points, switching video signal sources, etc.) sent by a transmitter through a downlink channel, and the main control module 104 can perform corresponding control on the receiver after receiving the control signal at the receiver.
5. The information of the user operation module 105 is transmitted to the audio/video processing unit 103 through the main control module 104, and then transmitted to the transmitter through the radio frequency module 102.
6. The radio frequency module 102 may receive an audio signal sent by the transmitter through a downlink channel, and the audio signal is decoded into a 12S digital audio signal by the audio/video codec module and then sent to a corresponding digital audio interface through the embedded identification information or converted into an analog audio signal by the audio digital-to-analog conversion module and sent to the analog audio interface.
7. And a USB interface is added, so that the product system can be upgraded and the peripheral equipment can be connected. Different drivers can be loaded in the system according to different requirements of users to meet the peripheral requirements of the users. Such as external mouse, keyboard, bluetooth earphone, USB to network port plug flow, etc.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that certain features may be replaced by equivalents thereof; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a communication equipment of receiver and transmitter an organic whole, its characterized in that, includes power processing module, radio frequency module, audio and video processing unit, host system and user operation module, audio and video processing unit respectively with power processing module, host system and radio frequency module connect, host system with user operation module connects, radio frequency module still connects power processing module, wherein, audio and video processing unit still includes audio and video codec chip, audio and video codec chip is connected with video distributor chip, video change over switch chip, audio codec chip respectively.
2. The communication device with integrated receiver and transmitter as claimed in claim 1, wherein the audio/video codec chip is further connected to a digital audio input/output interface.
3. The communication device with integrated receiver and transmitter as claimed in claim 1, wherein the video distributor chip is further connected with an HDMI transmitting chip and an SDI transmitting chip respectively.
4. The communication device with integrated receiver and transmitter as claimed in claim 3, wherein the HDMI transmitting chip is further connected to an HDMI output interface, and the SDI transmitting chip is further connected to an SDI output interface.
5. The communication device with integrated receiver and transmitter as claimed in claim 1, wherein the video switch chip is further connected with an HDMI receiving chip and an SDI receiving chip.
6. The communication device with integrated receiver and transmitter as claimed in claim 5, wherein the HDMI receiving chip is further connected with an HDMI input interface, and the SDI receiving chip is further connected with an SDI input interface.
7. The communication device with integrated receiver and transmitter as claimed in claim 1, wherein the audio codec chip is further connected to an analog audio input/output interface.
8. The communication device with integrated receiver and transmitter as claimed in claim 1, wherein the audio/video codec chip is further connected to a USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121645538.XU CN216391222U (en) | 2021-07-19 | 2021-07-19 | Communication equipment integrating receiver and transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121645538.XU CN216391222U (en) | 2021-07-19 | 2021-07-19 | Communication equipment integrating receiver and transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216391222U true CN216391222U (en) | 2022-04-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121645538.XU Active CN216391222U (en) | 2021-07-19 | 2021-07-19 | Communication equipment integrating receiver and transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216391222U (en) |
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2021
- 2021-07-19 CN CN202121645538.XU patent/CN216391222U/en active Active
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