CN211791839U - WIFI-based sending device, receiving device and transmission system - Google Patents

WIFI-based sending device, receiving device and transmission system Download PDF

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CN211791839U
CN211791839U CN202020521187.0U CN202020521187U CN211791839U CN 211791839 U CN211791839 U CN 211791839U CN 202020521187 U CN202020521187 U CN 202020521187U CN 211791839 U CN211791839 U CN 211791839U
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module
receiving
digital
wifi
data packet
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高炳海
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Shenzhen Lenkeng Technology Co Ltd
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Shenzhen Lenkeng Technology Co Ltd
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Abstract

The utility model discloses a transmitting equipment, receiving equipment and transmission system based on WIFI, wherein, transmitting equipment includes: the device comprises an HDMI input interface for acquiring audio and video data, a processing module for processing the acquired audio and video data into a protocol data packet, and a first WIFI module for sending the protocol data packet, wherein the transmission rate of the first WIFI module is not lower than a first threshold; the HDMI input interface, the processing module and the first WIFI module are connected in sequence. Adopt the utility model discloses, can make the display device that links to each other with receiving equipment broadcast the harmless high definition video of picture quality with ultralow time delay.

Description

WIFI-based sending device, receiving device and transmission system
Technical Field
The utility model relates to a network communication technical field especially relates to sending equipment, receiving equipment and transmission system based on WIFI.
Background
With the progress of society and the development of science and technology, especially the development of internet of things technology, the internet of things of various traditional devices has become a trend.
At present, most of traditional devices (video source devices such as set top boxes and the like and display devices) communicate with each other through cables, but communication lines are complex, and the cost required by wiring is high; wireless transmission modes for transmitting high-definition video data in video source equipment such as a set top box and a DVD to display equipment are rare, and the technology is not mature; in addition, in actual life, playing high-definition videos in video equipment such as a DVD with ultra-low delay through display equipment is difficult to achieve.
SUMMERY OF THE UTILITY MODEL
Based on the existing problems and the defects of the prior art, the utility model provides a WIFI-based sending equipment, receiving equipment and transmission system, on one hand, can realize the prolonged transmission of audio and video data, so that the display equipment connected with the receiving equipment plays the high-definition video with lossless picture quality with ultra-low delay; on the other hand, the wiring cost can be reduced, and the construction time can be reduced.
In a first aspect, the utility model provides a transmitting device based on WIFI, include:
the device comprises an HDMI input interface for acquiring audio and video data, a first processing module for processing the audio and video data into a protocol data packet, and a first WIFI module for sending the protocol data packet, wherein the transmission rate is not lower than a first threshold value; the HDMI input interface, the first processing module and the first WIFI module are connected in sequence.
In a second aspect, the utility model provides a receiving equipment based on WIFI, include:
the second WIFI module is used for receiving the protocol data packet and the transmission rate is not lower than a second threshold value; the second processing module is used for processing the protocol data packet into preset audio and video data; the second WIFI module is connected with the second processing module.
Third aspect, the utility model provides a transmission system based on WIFI, include: comprising the transmitting apparatus of the first aspect and the receiving apparatus of the second aspect.
Compared with the prior art, the beneficial effects of the utility model reside in that: the transmitting device processes the audio and video data acquired based on the HDMI input interface through the first processing module, and after a protocol data packet is obtained, the protocol data packet is transmitted to the receiving device through the WIFI module with the transmission rate not lower than the first threshold value, so that a display device connected with the receiving device can play high-definition video with lossless image quality in an ultra-low delay mode.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1-17 are schematic structural views of a transmitting device provided by the present invention;
fig. 18-34 are schematic structural views of the receiving apparatus provided by the present invention;
fig. 35 is a schematic diagram of a WIFI-based transmission system provided by the present invention;
fig. 36 is a schematic diagram of another WIFI-based transmission system provided by the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and the described embodiments are some, but not all embodiments of the present invention.
Referring to fig. 1, it is a schematic structural diagram of a WIFI-based transmitting device provided in the present invention, as shown in fig. 1, a transmitting device 10 may include but is not limited to: the device comprises an HDMI input interface 100 for acquiring audio and video data, a first processing module 101 for processing the audio and video data into protocol data packets, and a first WIFI module 102 for sending the protocol data packets, wherein the transmission rate is not lower than a first threshold; the HDMI input interface 100, the first processing module 101, and the first WIFI module 102 are connected in sequence. Wherein the first threshold may be 9.6 Gbps.
The audio-visual data may include, but is not limited to: such as text, data, sound, graphics, image or video (such as high definition video with 1080P, 4K or 8K resolution and 30FPS or 60FPS frame rate), etc. The audio-visual data may also include, but is not limited to, the following features: the data format may be YUV444/YCbCr444/RGB format, high dynamic Range HDR (high dynamic Range imaging).
When the first processing module 101 is a first encapsulation module, the first encapsulation module may be configured to process the audio and video data into a protocol data packet through a communication protocol.
When the first processing module 101 includes: when the first compression module and the first packaging module are used,
the first compression module can be used for compressing the audio and video data through a compression algorithm to obtain code stream data, and the first encapsulation module can be used for encapsulating the code stream data into a protocol data packet through a communication protocol.
It should be noted that the first WIFI module 102 may be a WIFI 6 module for communication transmission.
The first WIFI module 102 may employ an Orthogonal Frequency Division Multiple Access (OFDMA) technology, and in addition, the first WIFI module 102 may be a communication module integrated with a plurality of antennas, that is, the first WIFI module 102 may be a communication module that encapsulates the plurality of antennas inside by using an aip (antenna in package) technology, and may further include a large-scale Multiple Input Multiple Output (MIMO) technology. In summary, the first WIFI module 102 with the above technology is used for communication transmission, so that the transmission rate of data can be increased, the transmission delay can be reduced, and the high-definition video can be played without delay.
The first WIFI module 102 may adopt a new generation of encryption security protocol WPA3, which can prevent brute force attack and brute force cracking, and ensure security.
The first WIFI module 102 may add a Target Wake Time (TWT) technology, and when the first WIFI module receives an instruction for transmitting a protocol data packet, the first WIFI module 102 may be connected to a receiving device, and at other times, the first WIFI module 102 may be in a sleep state, so that power consumption may be reduced by 30%.
The first WIFI module 102 may be configured to send a protocol data packet to a receiving device in a 2.4Ghz or 5Ghz band based on the IEEE 802.11ax wlan standard.
When the reception apparatus includes: when the first receiving device and the second receiving device are in use,
the first WIFI module 102 may be configured to send the protocol data packet to the first receiving device and the second receiving device respectively in a 2.4Ghz or 5Ghz frequency band based on the IEEE 802.11ax wlan standard.
It should be noted that the sending device 10 may input the protocol data packet to the first WIFI module 102 through a PCI-e (PCI express) interface, a USB interface, or a Type-C interface on the first WIFI module 102.
Referring to fig. 2, it is a schematic structural diagram of another WIFI-based transmission device provided in the present invention, as shown in fig. 2, the transmission device 10 may include: the HDMI input interface 100, the first compression module 1011, the first encapsulation module 1012, and the first WIFI module 103.
It should be noted that, the first compression module 1011 is configured to compress the audio and video data through a compression algorithm to obtain code stream data, and specifically, the method may include, but is not limited to, the following manners:
the first Compression module 1011 may be configured to compress audio and video data by a DSC (Display Stream Compression) Compression algorithm to obtain code Stream data; alternatively, the first and second electrodes may be,
the method can be used for compressing audio and video data through a JPEG2000 compression algorithm to obtain code stream data; alternatively, the first and second electrodes may be,
the method can be used for converting audio and video data in the RGB data format into audio and video data in the YUV444 data format by a CSC (Color space converter) algorithm when the audio and video data in the RGB data format is in the RGB data format, sampling the audio and video data in the YUV444 data format to obtain first data in the YUV data format, and compressing the first data by a DSC compression algorithm to obtain code stream data, wherein the first data in the YUV data format may include but is not limited to: first data in YUV420 data format or first data in YUV422 data format; alternatively, the first and second electrodes may be,
the method can be used for converting the audio and video data in the RGB data format into the audio and video data in the YUV444 data format through the CSC algorithm when the audio and video data in the RGB data format is in the RGB data format, sampling the audio and video data in the YUV444 data format to obtain first data in the YUV data format, and compressing the first data through the JPEG2000 compression algorithm to obtain code stream data.
It should be noted that the first encapsulating module 1012 is configured to encapsulate code stream data into a protocol data packet through a communication protocol, and may specifically include, but is not limited to, the following manners:
the first encapsulation module 1012 may be configured to encapsulate the code stream data through the TMDS protocol to obtain a TMDS protocol data packet; in detail, the method is used for adding a TMDS protocol header and a TMDS protocol trailer to the code stream data to obtain a TMDS protocol data packet including the code stream data, the TMDS protocol header and the TMDS protocol trailer. The TMDS protocol header or the TMDS protocol trailer may include control information such as a destination address, a source address, a port number, a flag bit, and the like.
The first encapsulation module 1012 may be configured to encapsulate the stream data by using a User Datagram Protocol (UDP) Protocol to obtain a UDP (Protocol data packet; more specifically, to add a UDP Protocol header and a UDP Protocol trailer to the stream data to obtain a UDP Protocol data packet including the stream data, the UDP Protocol header and the UDP Protocol trailer, where the UDP Protocol header or the UDP Protocol trailer may include control information such as a destination address, a source address, a port number, and a flag bit.
The first encapsulation module 1012 is configured to encapsulate code stream data through a TCP (Transmission Control Protocol) Protocol to obtain a TCP Protocol data packet;
the first encapsulation module 1012 is configured to encapsulate the code stream data through a custom protocol to obtain a custom protocol data packet, where the custom protocol includes: the simple protocol is designed to maintain the requirements of synchronization of data encoding in the transmitting device 10 and data decoding in the receiving device.
For the relevant definitions and explanations not provided in the embodiment of fig. 2, and the specific implementation manner of the functional components included in the sending device 10 of fig. 2, reference may be made to the embodiment of fig. 1, and details are not repeated here.
Referring to fig. 3, it is a schematic structural diagram of another WIFI-based transmission device provided in the present invention, as shown in fig. 3, the transmission device 10 includes: besides the HDMI input interface 100, the first compression module 1011, the first encapsulation module 1012, and the first WIFI module 103, the HDMI input interface may further include: a first communication module 104.
It should be noted that the first communication module 104 is connected to the first control device 11;
the first communication module 104 may include, but is not limited to: USB interface, RS232 interface or Type-C interface.
The transmitting device 10 may be connected to a first control device 11 such as a mouse or a keyboard through a USB interface, an RS232 interface, or a TYPE-C interface.
That is, the transmitting device 10 may receive a control instruction input by a user through a mouse or a keyboard through the USB interface, the RS232 interface, or the Type-C interface.
The first package module 1012 may be specifically configured to:
the control instruction obtained from the first control device 11 through the first communication module 104 and the code stream data output by the first compression module 101 are encapsulated based on the communication protocol, so as to obtain a protocol data packet.
The first encapsulation module 102 may be further specifically configured to:
the control instruction obtained from the first control device 12 through the first communication module 104 is encapsulated based on the communication protocol, and a protocol packet is obtained.
It should be noted that the sending device 10 may send the protocol data packet encapsulated with the control instruction to the receiving device through the first WIFI module 103, and the receiving device may decapsulate the received protocol data packet to obtain the control instruction, and control, based on a control interface (for example, a USB interface), a display device connected to the receiving device to start, shut down, adjust screen brightness, and the like according to the control instruction.
For the relevant definitions and explanations not provided in the embodiment of fig. 3, and the specific implementation manner of the functional components included in the sending device 10 of fig. 3, reference may be made to the embodiment of fig. 1, and details are not repeated here.
Referring to fig. 4, it is a schematic structural diagram of another WIFI-based transmitting device provided in the present invention, as shown in fig. 4, the transmitting device 10 includes: besides the HDMI input interface 100, the first compression module 1011, the first encapsulation module 1012, and the first WIFI module 103, the HDMI input interface may further include: a first analog-to-digital conversion module 105 and a first infrared receiving tube 106.
A first infrared receiving tube 106 operable to: receiving a first infrared signal sent by a first remote controller, and converting the first infrared signal into a first electric signal; the first infrared signal includes: an infrared light signal;
a first analog-to-digital conversion module 105, operable to: performing analog-to-digital conversion on the first electric signal to obtain a first digital control signal; the first digital control signal includes: a digital signal carrying a control command;
the first packaging module 1012 is further configured to: and packaging the first digital control signal and the code stream data based on a communication protocol to obtain a protocol data packet, and inputting the protocol data packet into the first WIFI module.
Related definitions and explanations which are not provided in the embodiment of fig. 4, and specific implementation manners of functional components included in the sending device 10 of fig. 4 may refer to the embodiment of fig. 1, and are not described herein again.
Referring to fig. 5, it is a schematic structural diagram of another WIFI-based transmitting device provided in the present invention, as shown in fig. 5, the transmitting device 10 includes: besides the HDMI input interface 100, the first compression module 1011, the first encapsulation module 1012, and the first WIFI module 103, the HDMI input interface may further include: a first analog-to-digital conversion module 105, a first infrared receiving tube 106, and a first communication module 104 connected to the first control device 11.
For the relevant definitions and explanations not provided in the embodiment of fig. 5, and the specific implementation manner of the functional components included in the sending device 10 of fig. 5, reference may be made to the embodiments of fig. 3 and fig. 4, which are not described herein again.
Referring to fig. 6, it is a schematic structural diagram of another WIFI-based transmitting device provided in the present invention, as shown in fig. 6, the transmitting device 10 includes: besides the HDMI input interface 100, the first compression module 1011, the first encapsulation module 1012, and the first WIFI module 103, the HDMI input interface may further include: a first digital-to-analog conversion module 107, a first infrared transmitting tube 108 and a first decapsulation module 109.
The first decapsulation module 109 is specifically configured to: decapsulate, based on a communication protocol, a receiving-side remote control protocol data packet received from a receiving device through the first WIFI module 103, to obtain a second digital control signal; the second digital control signal includes: a digital signal carrying a control command;
a first digital-to-analog conversion module 107, configured to: converting the second digital control signal to obtain a second analog control signal; the second analog control signal is used for the sending device 10 to control the first infrared ray tube 108 to emit a second infrared signal, and the second infrared signal is used for the sending device 10 to control a video source device (such as a camera, a DVD, a notebook computer or a set-top box) connected to the sending device 10 to start up, shut down or switch video playing contents. The second infrared signal may include, but is not limited to: an infrared light signal.
It should be noted that the first decapsulation module 109 is further specifically configured to: decapsulate, based on a communication protocol, a receiving-side protocol packet received from a receiving device through the first WIFI module 103 to obtain a receiving-side control instruction; the receiving side control instruction is used for controlling the video source device connected with the sending device 10 by the sending device 10 based on the control interface; the receiving-side control instruction is a control instruction obtained by the receiving device from the second control device.
For example, the sending device 10 may receive a receiving-side protocol data packet sent from the receiving device through the first WIFI module 103, decapsulate the receiving-side protocol data packet based on a communication protocol through the first decapsulation module 109, obtain a receiving-side control instruction, and control, by the receiving-side control instruction, start, shutdown, video playback content switching, and the like of a video source device connected to the sending device 10; the receiving-side control instruction is a control instruction obtained by the receiving device from the second control device.
Related definitions and explanations which are not provided in the embodiment of fig. 6, and specific implementation manners of functional components included in the sending device 10 of fig. 6 may refer to the embodiment of fig. 1, and are not described herein again.
Referring to fig. 7, it is a schematic structural diagram of another WIFI-based transmitting device provided in the present invention, as shown in fig. 7, the transmitting device 10 includes: besides the HDMI input interface 100, the first compression module 1011, the first encapsulation module 1012, and the first WIFI module 103, the HDMI input interface may further include: a first digital-to-analog conversion module 107, a first infrared transmitting tube 108 and a first communication module 104 connected with the first control device 11.
For the relevant definitions and explanations not provided in the embodiment of fig. 7, and the specific implementation manner of the functional components included in the sending device 10 of fig. 7, reference may be made to the embodiments of fig. 3 and fig. 6, and details are not repeated here.
Referring to fig. 8, it is a schematic structural diagram of another WIFI-based transmitting device provided in the present invention, as shown in fig. 8, the transmitting device 10 includes: besides the HDMI input interface 100, the first compression module 1011, the first encapsulation module 1012, and the first WIFI module 103, the HDMI input interface may further include: a first analog-to-digital conversion module 105, a first infrared receiving tube 106, a first digital-to-analog conversion module 107, and a first infrared transmitting tube 108.
Related definitions and explanations which are not provided in the embodiment of fig. 8, and specific implementation manners of functional components included in the sending device 10 of fig. 8 may refer to the embodiments of fig. 4 and fig. 6, and are not described herein again.
Referring to fig. 9, it is a schematic structural diagram of another WIFI-based transmitting device provided in the present invention, as shown in fig. 9, the transmitting device 10 includes: besides the HDMI input interface 100, the first compression module 1011, the first encapsulation module 1012, and the first WIFI module 103, the HDMI input interface may further include: a first analog-to-digital conversion module 105, a first infrared receiving tube 106, a first digital-to-analog conversion module 107, a first infrared transmitting tube 108, and a first communication module 104.
Related definitions and explanations not provided in the embodiment of fig. 9 and specific implementation manners of functional components included in the sending device 10 of fig. 9 may refer to the embodiments of fig. 3, fig. 4, and fig. 6, and are not described again here.
Referring to fig. 10, which is a schematic structural diagram of another WIFI-based transmitting device provided in the present invention, as shown in fig. 10, the transmitting device 10 may include: the HDMI input interface 100, the first packaging module 1012, and the first WIFI module 103.
The first encapsulation module 1012 may be configured to process the audio-video data into protocol packets.
Related definitions and explanations which are not provided in the embodiment of fig. 10, and specific implementation manners of functional components included in the sending device 10 of fig. 10 may refer to the embodiment of fig. 1, and are not described herein again.
Referring to fig. 11, it is a schematic structural diagram of another WIFI-based transmitting device provided in the present invention, as shown in fig. 10, the transmitting device 10 includes: besides the HDMI input interface 100, the first encapsulation module 1012, and the first WIFI module 103, the method may further include: a first communication module 104 connected to the first control device 11.
The first communication module 104 is connected with the first packaging module 1012;
the first packaging module 1012 is also used to: the control instruction obtained from the first control device 11 through the first communication module 104 and the audio/video data are encapsulated by a communication protocol to obtain a protocol data packet.
In the embodiment of the present invention, the sending device 10 can send the protocol data packet encapsulated with the control instruction to the receiving device through the first WIFI module 103, and the receiving device can decapsulate the received protocol data packet based on the communication protocol to obtain the control instruction, and control the display device connected to the receiving device to start, shut down, adjust the screen brightness, etc. based on the control interface (for example, USB interface) according to the control instruction.
In the embodiment of the present invention, the sending device 10 can also receive the receiving-side protocol data packet sent from the receiving device through the first WIFI module 103, and obtain a receiving-side control instruction after decapsulating the receiving-side protocol data packet through the first decapsulation module 109, and control the video source device connected to the sending device 10 to start, shut down, switch the video playing content, and the like through the receiving-side control instruction; the receiving-side control instruction is a control instruction obtained by the receiving device from the second control device.
Related definitions and explanations which are not provided in the embodiment of fig. 11, and specific implementation manners of functional components included in the sending device 10 of fig. 11 may refer to the embodiments of fig. 1 and fig. 2, and are not described again here.
Referring to fig. 12, it is a schematic structural diagram of another WIFI-based transmitting device provided in the present invention, as shown in fig. 12, the transmitting device 10 includes: besides the HDMI input interface 100, the first encapsulation module 1012, and the first WIFI module 103, the method may further include: a first analog-to-digital conversion module 105 and a first infrared receiving tube 106.
The first infrared receiving tube 106 is used for receiving the first infrared signal and converting the first infrared signal into a first electric signal;
the first analog-to-digital conversion module 105 is configured to perform analog-to-digital conversion on the first electrical signal to obtain a first digital control signal; the first digital control signal includes: a digital signal carrying a control command;
a first packaging module further configured to: the first digital control signal and the audio/video data are encapsulated to obtain a protocol data packet, and the protocol data packet is input to the first WIFI module 103.
Related definitions and explanations which are not provided in the embodiment of fig. 12, and specific implementation of functional components included in the sending device 10 of fig. 12 may refer to the embodiment of fig. 1, and are not described herein again.
Referring to fig. 13, it is a schematic structural diagram of another WIFI-based transmitting device provided in the present invention, as shown in fig. 13, the transmitting device 10 includes: besides the HDMI input interface 100, the first encapsulation module 1012, and the first WIFI module 103, the method may further include: a first analog-to-digital conversion module 105, a first infrared receiving tube 106, and a first communication module 104 connected to the first control device 11.
Related definitions and explanations that are not provided in the embodiment of fig. 13 and specific implementation manners of functional components included in the sending device 10 of fig. 13 may refer to the embodiments of fig. 11 and fig. 12, and are not described again here.
Referring to fig. 14, it is a schematic structural diagram of another WIFI-based transmitting device provided in the present invention, as shown in fig. 14, the transmitting device 10 includes: besides the HDMI input interface 100, the first encapsulation module 1012, and the first WIFI module 103, the method may further include: a first digital-to-analog conversion module 107, a first infrared transmitting tube 108 and a first decapsulation module 109.
Related definitions and explanations which are not provided in the embodiment of fig. 14, and specific implementation manners of functional components included in the sending device 10 of fig. 14 may refer to the embodiments of fig. 1 and fig. 6, and are not described herein again.
Referring to fig. 15, it is a schematic structural diagram of another WIFI-based transmitting device provided in the present invention, as shown in fig. 15, the transmitting device 10 includes: besides the HDMI input interface 100, the first encapsulation module 1012, and the first WIFI module 103, the method may further include: a first digital-to-analog conversion module 107, a first infrared transmitting tube 108 and a first communication module 104 connected with the first control device 11.
Related definitions and explanations not provided in the embodiment of fig. 15, and specific implementation manners of functional components included in the sending device 10 of fig. 15 may refer to the embodiments of fig. 1, 6, and fig. 11, and are not described again here.
Referring to fig. 16, it is a schematic structural diagram of another WIFI-based transmitting device provided in the present invention, as shown in fig. 16, the transmitting device 10 includes: besides the HDMI input interface 100, the first encapsulation module 1012, and the first WIFI module 103, the method may further include: a first analog-to-digital conversion module 105, a first infrared receiving tube 106, a first digital-to-analog conversion module 107, and a first infrared transmitting tube 108.
Related definitions and explanations not provided in the embodiment of fig. 16, and specific implementation of functional components included in the sending device 10 of fig. 16 may refer to the embodiments of fig. 12 and fig. 14, and are not described herein again.
Referring to fig. 17, it is a schematic structural diagram of another WIFI-based transmitting device provided in the present invention, as shown in fig. 17, the transmitting device 10 includes: besides the HDMI input interface 100, the first encapsulation module 1012, and the first WIFI module 103, the method may further include: a first analog-to-digital conversion module 105, a first infrared receiving tube 106, a first digital-to-analog conversion module 107, a first infrared transmitting tube 108 and a first communication module 104.
Related definitions and explanations not provided in the embodiment of fig. 17, and specific implementation manners of functional components included in the sending device 10 of fig. 17 may refer to the embodiments of fig. 11, 12, and 14, and are not described again here.
Referring to fig. 18, which is a schematic structural diagram of a receiving device based on WIFI provided in the present invention, as shown in fig. 18, the receiving device 20 may include but is not limited to: a second WIFI module 200 configured to receive the protocol data packet and having a transmission rate not lower than a second threshold; a second processing module 201 for processing the protocol data packet into preset audio/video data; the second WIFI module 200 is connected to the second processing module 201.
When the second processing module 201 is a second decapsulation module, the second decapsulation module may be configured to decapsulate the protocol data packet by using a communication protocol, so as to obtain the preset audio/video data.
When the second processing module 201 includes: when the second decapsulation module and the second decompression module are used, the second decapsulation module may be configured to decapsulate the protocol data packet by using the communication protocol to obtain preset code stream data; and the second decompression module can be used for decompressing the preset code stream data through a decompression algorithm to obtain preset audio and video data.
It should be noted that second WIFI module 200 may be a WIFI 6 module for communication transmission.
The second WIFI module 200 may employ OFDMA technology, and in addition, the second WIFI module 200 may be a communication module integrated with several antennas and using MIMO technology. In summary, by adding the second WIFI module 200 with the above-mentioned technology to perform communication transmission, the transmission rate of data can be increased, and the transmission delay can be reduced, so that the high-definition video can be played without delay.
The second WIFI module 200 may be configured to receive the protocol data packet from the transmitting device 10 in the 2.4Ghz or 5Ghz band based on the wireless local area network standard of IEEE 802.11 ax.
It should be noted that receiving device 20 may obtain the protocol data packet from second WIFI module 200 through the PCI-E interface or the USB interface on second WIFI module 200.
Referring to fig. 19, which is a schematic structural diagram of a receiving device based on WIFI provided in the present invention, as shown in fig. 19, the receiving device 20 may include but is not limited to: second WIFI module 200, second decapsulation module 2011, second decompression module 2012.
It should be noted that the second decapsulation module 2011 is configured to: decapsulating the protocol data packet through a communication protocol to obtain preset code stream data;
the second decapsulation module 2011 may be specifically configured to:
decapsulating the TMDS protocol data packet through a TMDS protocol to obtain preset code stream data;
decapsulating the UDP protocol data packet through a UDP protocol to obtain preset code stream data;
decapsulating the protocol data packet through a TCP protocol to obtain preset code stream data; alternatively, the first and second electrodes may be,
and decapsulating the protocol data packet through a custom protocol to obtain preset code stream data.
The second decompression module 2011 is configured to: and decompressing the preset code stream data through a decompression algorithm to obtain preset audio and video data.
The second decompression module 2011 is particularly operable to:
decompressing the preset code stream data through a DSC decompression algorithm to obtain preset audio and video data;
decompressing the preset code stream data through a JPEG2000 decompression algorithm to obtain preset audio and video data;
when the format of the preset audio/video data is an RGB data format, decompressing the preset code stream data through a DSC (differential scanning calorimetry) decompression algorithm to obtain first preset data in a YUV (luminance and chrominance) data format, interpolating the first preset data to obtain preset audio/video data in a YUV444 data format, and converting the preset audio/video data in the YUV444 data format into preset audio/video data in the RGB data format through a CSC (computer-controlled programming) algorithm;
alternatively, the first and second electrodes may be,
when the format of the preset audio/video data is the RGB data format, decompressing the preset code stream data through a JPEG2000 decompression algorithm to obtain first preset data in a YUV data format, interpolating the first preset data to obtain preset audio/video data in a YUV444 data format, and converting the preset audio/video data in the YUV444 data format into the preset audio/video data in the RGB data format through a CSC algorithm.
Referring to fig. 20, it is a schematic structural diagram of another receiving apparatus based on WIFI provided by the present invention, as shown in fig. 20, the receiving apparatus 20 includes: in addition to second WIFI module 200, second decapsulation module 2011, and second decompression module 2012, the method may further include: a second communication module 204 connected to the second control device 21.
The reception apparatus 20 may further include: a second encapsulation module 209 connected to the second communication module 204;
the second packaging module 209 is used for: the control instruction obtained by the second communication module 204 from the second control device 21 is encapsulated based on the communication protocol, so as to obtain a receiving-side protocol data packet, and the receiving-side protocol data packet is input to the second WIFI module 200.
Related definitions and explanations that are not provided in the embodiment of fig. 20, and specific implementation manners of functional components included in the receiving device 20 of fig. 20 may refer to the embodiments of fig. 18 and fig. 19, and are not described again here.
Referring to fig. 21, it is a schematic structural diagram of another receiving apparatus based on WIFI provided by the present invention, as shown in fig. 21, the receiving apparatus 20 includes: in addition to second WIFI module 200, second decapsulation module 2011, and second decompression module 2012, the method may further include: a second digital-to-analog conversion module 207 and a second infrared emission tube 208.
A second decapsulation module 2011, configured to decapsulate the protocol data packet based on the communication protocol to obtain a fourth digital control signal; the fourth digital control signal includes: a digital signal carrying a control command;
the second digital-to-analog conversion module 207 is configured to perform digital-to-analog conversion on the fourth digital control signal to obtain a fourth analog control signal; a fourth analog control signal, configured to control the second infrared transmitting tube 208 to transmit a fourth infrared signal by the receiving device 20; the fourth infrared signal is used for the receiving device 20 to control a display device connected to the receiving device 20. A fourth infrared signal, which may include: an infrared light signal;
for the relevant definitions and explanations not provided in the embodiment of fig. 21, and the specific implementation manner of the functional components included in the receiving device 20 of fig. 21, reference may be made to the embodiment of fig. 19, and details are not repeated here.
Referring to fig. 22, it is a schematic structural diagram of another receiving apparatus based on WIFI provided in the present invention, as shown in fig. 22, the receiving apparatus 20 includes: in addition to second WIFI module 200, second decapsulation module 2011, and second decompression module 2012, the method may further include: a second digital-to-analog conversion module 207, a second infrared transmitting tube 208 and a second communication module 204 connected with the second control device 21.
Related definitions and explanations which are not provided in the embodiment of fig. 22, and specific implementation manners of functional components included in the receiving device 20 of fig. 22 may refer to the embodiments of fig. 20 and fig. 21, and are not described herein again.
Referring to fig. 23, it is a schematic structural diagram of another receiving apparatus based on WIFI provided in the present invention, as shown in fig. 23, the receiving apparatus 20 includes: in addition to second WIFI module 200, second decapsulation module 2011, and second decompression module 2012, the method may further include: a second analog-to-digital conversion module 205 and a second infrared receiving tube 206.
The reception apparatus 20 may further include: a second package module 209;
the second infrared receiving tube 206 is used for receiving the third infrared signal and converting the third infrared signal into a third electrical signal; a third infrared signal, which may include: an infrared light signal;
a second analog-to-digital conversion module 205, configured to perform analog-to-digital conversion on the third electrical signal to obtain a third digital control signal; the third digital control signal includes: a digital signal carrying a control command;
the second encapsulating module 209 is configured to encapsulate the third digital control signal based on the communication protocol, obtain a receiving-side remote control protocol data packet, and input the receiving-side remote control protocol data packet to the second WIFI module 200.
The relevant definitions and descriptions not provided in the embodiment of fig. 23 and the specific implementation manner of the functional components included in the receiving device 20 of fig. 23 may refer to the embodiment of fig. 18, and are not described herein again.
Referring to fig. 24, it is a schematic structural diagram of another receiving apparatus based on WIFI provided in the present invention, as shown in fig. 24, the receiving apparatus 20 includes: in addition to second WIFI module 200, second decapsulation module 2011, and second decompression module 2012, the method may further include: a second analog-to-digital conversion module 205, a second infrared receiving tube 206 and a second communication module 204.
Related definitions and explanations which are not provided in the embodiment of fig. 24, and specific implementation manners of functional components included in the receiving device 20 of fig. 24 may refer to the embodiments of fig. 20 and fig. 23, and are not described herein again.
Referring to fig. 25, it is a schematic structural diagram of another receiving apparatus based on WIFI provided in the present invention, as shown in fig. 25, the receiving apparatus 20 includes: in addition to second WIFI module 200, second decapsulation module 2011, and second decompression module 2012, the method may further include: a second analog-to-digital conversion module 205, a second infrared receiving tube 206, a second digital-to-analog conversion module 207, and a second infrared transmitting tube 208.
For the relevant definitions and explanations not provided in the embodiment of fig. 25, and the specific implementation manner of the functional components included in the receiving device 20 of fig. 25, reference may be made to the embodiments of fig. 21 and fig. 23, which are not described herein again.
Referring to fig. 26, it is a schematic structural diagram of another receiving apparatus based on WIFI provided in the present invention, as shown in fig. 26, the receiving apparatus 20 includes: in addition to second WIFI module 200, second decapsulation module 2011, and second decompression module 2012, the method may further include: a second analog-to-digital conversion module 205, a second infrared receiving tube 206, a second digital-to-analog conversion module 207, a second infrared transmitting tube 208 and a second communication module 204 connected with the second control device 21.
Related definitions and explanations that are not provided in the embodiment of fig. 26, and specific implementation manners of functional components included in the receiving device 20 of fig. 26 may refer to the embodiments of fig. 20, 21, and 23, and are not described herein again.
Referring to fig. 27, which is a schematic structural diagram of another receiving apparatus based on WIFI provided by the present invention, as shown in fig. 27, the receiving apparatus 20 may include but is not limited to: second WIFI module 200, second decapsulation module 2011.
And a second decapsulation module 2011, configured to decapsulate the protocol data packet by using a communication protocol to obtain preset audio/video data.
For the relevant definitions and explanations not provided in the embodiment of fig. 27, and the specific implementation manner of the functional components included in the receiving device 20 of fig. 27, reference may be made to the embodiment of fig. 19, and details are not repeated here.
Referring to fig. 28, which is a schematic structural diagram of another receiving apparatus based on WIFI provided in the present invention, as shown in fig. 28, the receiving apparatus 20 may include but is not limited to: besides second WIFI module 200 and second decapsulation module 2011, the method may further include: a second communication module 204 connected to the second control device 21.
The reception apparatus 20 further includes: a second encapsulation module 209 connected to the second communication module 204; the second packaging module 209 is used for: the control instruction obtained from the second control device 21 through the second communication module 204 is encapsulated based on the communication protocol, a reception-side protocol data packet is obtained, and the reception-side protocol data packet is input to the second WIFI module 200.
Related definitions and explanations which are not provided in the embodiment of fig. 28, and specific implementation manners of functional components included in the receiving device 20 of fig. 28 may refer to the embodiment of fig. 19, and are not described herein again.
Referring to fig. 29, it is a schematic structural diagram of another receiving apparatus based on WIFI provided in the present invention, as shown in fig. 29, the receiving apparatus 20 includes: besides second WIFI module 200 and second decapsulation module 2011, the method may further include: a second digital-to-analog conversion module 207 and a second infrared emission tube 208.
A second decapsulation module 2011, configured to decapsulate the protocol data packet based on the communication protocol to obtain a fourth digital control signal; the fourth digital control signal includes: a digital signal carrying a control command;
the second digital-to-analog conversion module 207 is configured to perform digital-to-analog conversion on the fourth digital control signal to obtain a fourth analog control signal; a fourth analog control signal, configured to control the second infrared transmitting tube 208 to transmit a fourth infrared signal by the receiving device 20; the fourth infrared signal is used for the receiving device 20 to control a display device connected to the receiving device 20.
Related definitions and explanations which are not provided in the embodiment of fig. 29, and a specific implementation manner of functional components included in the receiving device 20 of fig. 29 may refer to the embodiment of fig. 19, and are not described herein again.
Referring to fig. 30, it is a schematic structural diagram of another receiving apparatus based on WIFI provided in the present invention, as shown in fig. 30, the receiving apparatus 20 includes: besides second WIFI module 200 and second decapsulation module 2011, the method may further include: a second digital-to-analog conversion module 207, a second infrared transmitting tube 208 and a second communication module 204 connected with the second control device 21.
For the relevant definitions and explanations not provided in the embodiment of fig. 30, and the specific implementation manner of the functional components included in the receiving device 20 of fig. 30, reference may be made to the embodiments of fig. 19, 28 and fig. 29, which are not described herein again.
Referring to fig. 31, it is a schematic structural diagram of another receiving apparatus based on WIFI provided in the present invention, as shown in fig. 31, the receiving apparatus 20 includes: besides second WIFI module 200 and second decapsulation module 2011, the method may further include: a second infrared receiving tube 206 and a second analog-to-digital conversion module 205.
The reception apparatus 20 may further include: a second package module 209;
the second infrared receiving tube 206 is used for receiving the third infrared signal and converting the third infrared signal into a third electrical signal;
a second analog-to-digital conversion module 205, configured to perform analog-to-digital conversion on the third electrical signal to obtain a third digital control signal; the third digital control signal includes: a digital signal carrying a control command;
the second encapsulating module 209 is configured to encapsulate the third digital control signal based on the communication protocol, obtain a receiving-side remote control protocol data packet, and input the receiving-side remote control protocol data packet to the second WIFI module 200.
Related definitions and explanations that are not provided in the embodiment of fig. 31 and specific implementation manners of functional components included in the receiving device 20 of fig. 31 may refer to the embodiment of fig. 19, and are not described herein again.
Referring to fig. 32, it is a schematic structural diagram of another receiving apparatus based on WIFI provided in the present invention, as shown in fig. 32, the receiving apparatus 20 includes: besides second WIFI module 200 and second decapsulation module 2011, the method may further include: a second infrared receiving tube 206, a second analog-to-digital conversion module 205 and a second communication module 204 connected with the second control device 21.
It is to be understood that the relevant definitions and descriptions not provided in the embodiment of fig. 32, and the specific implementation manner of the functional components included in the receiving device 20 of fig. 32 may refer to the embodiments of fig. 19, 28, and 31, and are not repeated herein.
Referring to fig. 33, it is a schematic structural diagram of another receiving apparatus based on WIFI provided by the present invention, as shown in fig. 33, the receiving apparatus 20 includes: besides second WIFI module 200 and second decapsulation module 2011, the method may further include: a second infrared receiving tube 206, a second analog-to-digital conversion module 205, a second digital-to-analog conversion module 207, and a second infrared emitting tube 208.
Related definitions and explanations that are not provided in the embodiment of fig. 33, and specific implementation manners of functional components included in the receiving device 20 of fig. 33 may refer to the embodiments of fig. 19, 29, and 31, and are not described herein again.
Referring to fig. 34, it is a schematic structural diagram of another receiving apparatus based on WIFI provided by the present invention, as shown in fig. 34, the receiving apparatus 20 includes: besides second WIFI module 200 and second decapsulation module 2011, the method may further include: a second infrared receiving tube 206, a second analog-to-digital conversion module 205, a second digital-to-analog conversion module 207, a second infrared transmitting tube 208 and a second communication module 204 connected with the second control device.
Related definitions and explanations that are not provided in the embodiment of fig. 34, and specific implementation manners of functional components included in the receiving device 20 of fig. 34 may refer to the embodiments of fig. 19, 28, 29, and 31, and are not described herein again.
Referring to fig. 35, the present invention provides a schematic diagram of a transmission system. As shown in fig. 35, the transmission system may include: the transmitting device 10 of fig. 9, and the receiving device 20 of fig. 26.
It is to be understood that, relevant definitions and descriptions not provided in the embodiment of fig. 35, and specific implementation manners of functional components included in the sending device 10 and the receiving device 20 of fig. 35 may refer to the embodiments described in fig. 1 to 9 and fig. 18 to 26, and are not described herein again.
Referring to fig. 36, a schematic diagram of another transmission system provided by the present invention is shown. As shown in fig. 36, the transmission system may include: the transmitting apparatus 10 shown in fig. 17, and the receiving apparatus 20 shown in fig. 34.
It is to be understood that, regarding the specific implementation manner of the functional components included in the transmitting device 10 and the receiving device 20 in fig. 36, the embodiments described in fig. 1, fig. 10 to 17, fig. 18, and fig. 27 to 34 may be referred to, and details thereof are not repeated herein.

Claims (17)

1. WIFI-based transmission equipment is characterized by comprising:
the device comprises an HDMI input interface for acquiring audio and video data, a first processing module for processing the audio and video data into a protocol data packet, and a first WIFI module for sending the protocol data packet, wherein the transmission rate is not lower than a first threshold value; the HDMI input interface, the first processing module and the first WIFI module are connected in sequence.
2. The transmitting device of claim 1,
the first processing module comprises: a first package module;
the first packaging module is used for processing the audio and video data into the protocol data packet through a communication protocol.
3. The transmitting device of claim 1,
the first processing module comprises: the first compression module and the first packaging module;
the first compression module is used for compressing the audio and video data through a compression algorithm to obtain code stream data;
the first packaging module is used for packaging the code stream data into the protocol data packet through a communication protocol.
4. The transmitting device of claim 3,
the transmission apparatus further includes: the first communication module is connected with first control equipment and is connected with the first packaging module;
the first packaging module is further configured to: and encapsulating the control instruction obtained from the first control equipment through the first communication module and the code stream data through the communication protocol to obtain the protocol data packet.
5. The transmitting device of claim 2,
the transmission apparatus further includes: the first communication module is connected with first control equipment and is connected with the first packaging module;
the first packaging module is further configured to: and encapsulating the control instruction obtained from the first control device through the first communication module and the audio and video data through the communication protocol to obtain the protocol data packet.
6. The transmitting device of claim 2,
the transmission apparatus further includes: the device comprises a first infrared receiving tube and a first analog-to-digital conversion module;
the first infrared receiving tube is used for receiving a first infrared signal and converting the first infrared signal into a first electric signal;
the first analog-to-digital conversion module is used for performing analog-to-digital conversion on the first electric signal to obtain a first digital control signal; the first digital control signal comprises: a digital signal carrying a control command; the first package module is further configured to: and packaging the first digital control signal and the audio and video data to obtain the protocol data packet, and inputting the protocol data packet into the first WIFI module.
7. The transmitting device of claim 3,
the transmission apparatus further includes: the device comprises a first infrared receiving tube and a first analog-to-digital conversion module;
the first infrared receiving tube is used for receiving a first infrared signal and converting the first infrared signal into a first electric signal;
the first analog-to-digital conversion module is used for performing analog-to-digital conversion on the first electric signal to obtain a first digital control signal; the first digital control signal comprises: a digital signal carrying a control command;
the first package module is further configured to: and encapsulating the first digital control signal and the code stream data through the communication protocol to obtain the protocol data packet, and inputting the protocol data packet into the first WIFI module.
8. The transmission apparatus according to claim 2 or 3, further comprising:
the device comprises a first infrared transmitting tube, a first digital-to-analog conversion module and a first decapsulation module;
the first decapsulation module is specifically configured to: decapsulating a receiving-side remote control protocol data packet received from a receiving device through the first WIFI module based on a communication protocol to obtain a second digital control signal; the second digital control signal comprises: a digital signal carrying a control command;
the first digital-to-analog conversion module is configured to: converting the second digital control signal to obtain a second analog control signal; the second analog control signal is used for controlling the first infrared ray tube to emit a second infrared signal by the sending equipment, and the second infrared signal is used for controlling the video source equipment connected with the sending equipment by the sending equipment.
9. The transmission apparatus according to claim 2 or 3, further comprising: a first decapsulation module; the first decapsulation module is specifically configured to:
decapsulating, by a communication protocol, a receiving-side protocol data packet received from a receiving device through the first WIFI module to obtain a receiving-side control instruction; the receiving side control instruction is used for controlling the video source equipment connected with the sending equipment by the sending equipment based on the control interface; the receiving side control instruction is a control instruction obtained by the receiving device from a second control device.
10. WIFI-based receiving device, comprising:
the second WIFI module is used for receiving the protocol data packet and the transmission rate is not lower than a second threshold value; the second processing module is used for processing the protocol data packet into preset audio and video data; the second WIFI module is connected with the second processing module.
11. The receiving device of claim 10,
the second processing module: the method comprises the following steps: a second decapsulation module;
and the second decapsulation module is used for decapsulating the protocol data packet through a communication protocol to obtain preset audio and video data.
12. The receiving device of claim 10,
the second processing module: the method comprises the following steps: a second decapsulation module and a second decompression module;
the second decapsulation module is configured to decapsulate the protocol data packet by using a communication protocol to obtain preset code stream data;
and the second decompression module is used for decompressing the preset code stream data through a decompression algorithm to obtain preset audio and video data.
13. The reception apparatus according to claim 11 or 12, further comprising:
the second communication module is connected with the second control equipment;
the receiving apparatus further includes: a second package module; the second communication module is connected with the second packaging module;
the second encapsulation module is configured to: and encapsulating the control instruction obtained from the second control device through the second communication module based on the communication protocol to obtain a receiving side protocol data packet, and inputting the receiving side protocol data packet into the second WIFI module.
14. The reception apparatus according to claim 11 or 12, further comprising:
the second infrared receiving tube, the second analog-to-digital conversion module and the second packaging module;
the second infrared receiving tube is used for receiving a third infrared signal and converting the third infrared signal into a third electric signal;
the second analog-to-digital conversion module is used for performing analog-to-digital conversion on the third electric signal to obtain a third digital control signal; the third digital control signal comprises: a digital signal carrying a control command;
the second encapsulation module is configured to encapsulate the third digital control signal based on the communication protocol, obtain a receiving-side remote control protocol data packet, and input the receiving-side remote control protocol data packet to the second WIFI module.
15. The reception apparatus according to claim 11 or 12, further comprising:
the second infrared transmitting tube and the second digital-to-analog conversion module;
the second decapsulation module is configured to decapsulate the protocol data packet based on the communication protocol to obtain a fourth digital control signal; the fourth digital control signal includes: a digital signal carrying a control command;
the second digital-to-analog conversion module is configured to perform digital-to-analog conversion on the fourth digital control signal to obtain a fourth analog control signal; the fourth analog control signal is used for controlling the second infrared transmitting tube to transmit a fourth infrared signal by the receiving equipment; the fourth infrared signal is used for the receiving device to control a display device connected with the receiving device.
16. The receiving device of claim 11 or 12,
the second decapsulation module is configured to decapsulate the protocol data packet by using a communication protocol to obtain a preset control instruction; the preset control instruction is used for controlling the display equipment connected with the receiving equipment by the receiving equipment based on the control interface.
17. WIFI-based transmission system, comprising: the WIFI-based transmitting device of any one of claims 1-9 and the WIFI-based receiving device of any one of claims 10-16.
CN202020521187.0U 2020-04-10 2020-04-10 WIFI-based sending device, receiving device and transmission system Active CN211791839U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113470336A (en) * 2021-07-14 2021-10-01 深圳市朗强科技有限公司 Wireless sending method, receiving method and equipment of control instruction
CN113676727A (en) * 2021-08-18 2021-11-19 深圳市朗强科技有限公司 WIFI-based ultra-high-definition video sending and receiving method and device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113470336A (en) * 2021-07-14 2021-10-01 深圳市朗强科技有限公司 Wireless sending method, receiving method and equipment of control instruction
CN113676727A (en) * 2021-08-18 2021-11-19 深圳市朗强科技有限公司 WIFI-based ultra-high-definition video sending and receiving method and device

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