CN210986124U - Transmitting and receiving device and system for audio and video data in long-distance transmission scene - Google Patents
Transmitting and receiving device and system for audio and video data in long-distance transmission scene Download PDFInfo
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- CN210986124U CN210986124U CN202020251932.4U CN202020251932U CN210986124U CN 210986124 U CN210986124 U CN 210986124U CN 202020251932 U CN202020251932 U CN 202020251932U CN 210986124 U CN210986124 U CN 210986124U
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Abstract
The utility model discloses an audio and video data's sending, receiving arrangement and system in remote transmission scene, this receiving arrangement includes: the device comprises a second transmission medium interface, a second processing module, a third transmission medium interface and a second HDMI output interface; a second transmission medium interface for acquiring a first protocol data stream; the second processing module is used for processing the first protocol data stream to obtain a second preset protocol data stream and second preset audio/video data; the third transmission medium interface is used for outputting a second preset protocol data stream; and the second HDMI output interface is used for outputting second preset audio and video data. Adopt the utility model discloses, can realize audio and video data's extension transmission, reduce transmission cost, reduce the engineering time, user experience is higher.
Description
Technical Field
The utility model relates to a network communication technical field especially relates to audio and video data's sending, receiving arrangement and system in remote transmission scene.
Background
With the progress of society and the development of science and technology, especially the development of the technology of internet of things, the networking of various traditional devices has become a trend; at present, communication lines among most traditional devices are complex, and the cost required by wiring is high.
SUMMERY OF THE UTILITY MODEL
Based on the problem that exists above and prior art's defect, the utility model provides an audio and video data's sending, receiving arrangement and system in the remote transmission scene can realize audio and video data's extension transmission, can reduce the wiring cost, reduce the engineering time.
In a first aspect, the utility model provides an audio and video data's in remote transmission scene transmitting device, this transmitting device includes:
the device comprises a first HDMI input interface, a first processing module and a first transmission medium interface; the first HDMI input interface is used for acquiring audio and video data; the first processing module is used for processing the audio and video data into a first protocol data stream; the first transmission medium interface is used for transmitting the first protocol data stream; the first HDMI input interface, the first processing module and the first transmission medium interface are connected in sequence.
In combination with the first aspect, in some alternative embodiments,
the first transmission medium interface is in communication with a receiving device.
In combination with the first aspect, in some alternative embodiments,
the first processing module comprises: a first package module; and the first packaging module is used for processing the audio and video data into a first protocol data stream.
In combination with the first aspect, in some alternative embodiments,
the first processing module comprises: the device comprises a first coding module and a first packaging module;
the first coding module is used for coding the audio and video data through a compression algorithm to obtain first code stream data; the first encapsulation module is configured to encapsulate the first code stream data into the first protocol data stream through a TMDS protocol.
In a second aspect, the present invention provides a receiving apparatus for audio/video data in a remote transmission scene, the receiving apparatus comprising:
the device comprises a second transmission medium interface, a second processing module, a third transmission medium interface and a second HDMI output interface; the second transmission medium interface is used for acquiring a first protocol data stream; the second processing module is used for processing the first protocol data stream to obtain a second preset protocol data stream and second preset audio/video data; the third transmission medium interface is configured to output the second preset protocol data stream; and the second HDMI output interface is used for outputting the second preset audio and video data.
In combination with the second aspect, in some alternative embodiments,
the receiving apparatus includes: a first receiving device and a second receiving device;
the first receiving device is configured to output the second preset protocol data stream to a second receiving device through a third transmission medium interface of the first receiving device, and output the second preset audio/video data to a display device through a second HDMI output interface of the first receiving device.
In combination with the second aspect, in some alternative embodiments,
the second processing module: the method comprises the following steps: a second decapsulation module and a generation module;
the second decapsulation module is configured to decapsulate the first protocol data stream through a TMDS protocol to obtain second preset audio/video data;
and the generating module is used for generating a second preset protocol data stream based on the second preset audio and video data through the TMDS protocol.
In combination with the second aspect, in some alternative embodiments,
the second processing module: the method comprises the following steps: the second decapsulation module, the second decoding module and the generation module;
the second decapsulation module is configured to decapsulate the first protocol data stream according to a TMDS protocol to obtain second preset code stream data;
the second decoding module is used for decoding the second preset code stream data through a decompression algorithm to obtain second preset audio and video data;
and the generating module is used for generating a second preset protocol data stream based on the second preset audio and video data through the TMDS protocol.
In combination with the second aspect, in some alternative embodiments,
the second processing module: the method comprises the following steps: a second decapsulation module and a copy module;
the replication module is configured to replicate the first protocol data stream to obtain a second preset protocol data stream;
and the second decapsulation module is used for decapsulating the first protocol data stream through a TMDS protocol to obtain second preset audio/video data.
In combination with the second aspect, in some alternative embodiments,
the second processing module: the method comprises the following steps: the second decapsulation module, the second decoding module and the copying module;
the replication module is configured to replicate the first protocol data stream to obtain a second preset protocol data stream;
the second decapsulation module is configured to decapsulate the first protocol data stream according to a TMDS protocol to obtain second preset code stream data;
and the second decoding module is used for decoding the second preset code stream data through a decompression algorithm to obtain second preset audio and video data.
In a third aspect, the present invention provides an audio/video data transmission system in a remote transmission scene, comprising the transmitting device of the first aspect and the receiving device of the second aspect.
The utility model discloses in, sender acquires audio and video data through first HDMI input interface, and will through first processing module audio and video data processing becomes first protocol data stream, and send first protocol data stream for receiving arrangement through first transmission medium interface, receiving arrangement acquires first protocol data stream through second transmission medium interface, handle first protocol data stream through second processing module, it predetermines protocol data stream and second and predetermines audio and video data to obtain the second, and predetermine protocol data stream output other receiving arrangement with the second, predetermine audio and video data with the second and export for display device through second HDMI output interface, can realize audio and video data's extension transmission. Particularly, the audio and video data are processed into the first protocol data stream through the first processing module, so that the compression processing of the audio and video data is realized, and the transmission cost can be reduced.
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, and it is obvious that 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 any creative effort.
Fig. 1 is a schematic structural diagram of a transmitting device provided in the present invention;
fig. 2 is a schematic structural diagram of another transmitting device provided by the present invention;
fig. 3 is a schematic structural diagram of another transmitting device provided by the present invention;
fig. 4 is a schematic structural diagram of a receiving device provided by the present invention;
fig. 5 is a schematic structural diagram of another receiving device provided by the present invention;
fig. 6 is a schematic structural diagram of another receiving device provided by the present invention;
fig. 7 is a schematic structural diagram of another receiving device provided by the present invention;
fig. 8 is a schematic structural diagram of another receiving device provided by the present invention;
fig. 9 is a schematic structural diagram of another receiving device provided by the present invention;
fig. 10 is a schematic diagram of a transmission system for transmitting audiovisual data in a remote transmission scenario.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.
Referring to fig. 1, which is a schematic structural diagram of a transmitting device for transmitting audio/video data in a long-distance transmission scene according to the present invention, as shown in fig. 1, the transmitting device 10 may include but is not limited to: the HDMI device comprises a first HDMI input interface 100, a first processing module 101, and a first transmission medium interface 102.
A first HDMI input interface 100, operable to obtain audio/video data; the first HDMI input interface may include, but is not limited to: and the HDMI interface is used for the sending end to acquire the audio and video data from the video source equipment.
The first processing module 101 is configured to process audio and video data into a first protocol data stream;
the first transmission medium interface 102 may be configured to transmit a first protocol data stream.
The first HDMI input interface 100, the first processing module 101, and the first transmission medium interface 102 are connected in sequence.
The first HDMI input interface 100 is specifically configured to: audio and video data are obtained from video source equipment (such as a DVD, a set-top box, a camera, etc.) through three TMDS (Transition Minimized Differential signal) data channels of the first HDMI input interface 100. The first HDMI input interface may further include a clock channel.
The audio and video data may include, but is not limited to: sensory media data such as text, data, sound, graphics, image or video (e.g., 1080P, 4K or 8K resolution, high definition video at a frame rate of 60 FPS), presentation media data such as telegraph codes or bar codes, and the like. It should be noted that the acquired audio/video data includes one or more different types of video source data (e.g., a surveillance video, a promotional video, an animation, an ancient drama, or a modern metropolis). Wherein, the audio and video data can also include but not limited to the following characteristics: the data format can be 4:4:4 YUV/YCbCr mode, high Dynamic Range HDR (high Dynamic Range imaging).
On one hand, the first processing module 101 may specifically include: a first package module;
and the first packaging module is used for processing the audio and video data into a first protocol data stream.
Specifically, the first encapsulation module is configured to directly encapsulate the audio/video data into a first protocol data stream through a TMDS protocol. The first protocol data stream may include, but is not limited to: and obtaining the protocol data stream in the form of TMDS data packets after TMDS protocol encapsulation.
The utility model provides a structural schematic diagram of another kind of audio and video data's transmitting device, as shown in FIG. 2, first processing module 101, include: the first package module 1011.
The first encapsulation module 1011 may be configured to encapsulate the audio/video data input through the first HDMI input interface 100 into a first protocol data stream directly through a TMDS protocol.
On the other hand, the first processing module 101 may specifically include: the device comprises a first coding module and a first packaging module;
the first coding module is used for coding the audio and video data through a compression algorithm to obtain first code stream data;
the first encapsulation module can be used for encapsulating the first code stream data into a first protocol data stream through a TMDS protocol. It should be noted that the first encapsulation module may be further configured to encapsulate the first code stream data into a first protocol data stream through a preset protocol, where the preset protocol may include but is not limited to: UDP protocol, TCP protocol, or custom protocol.
The first encoding module may be specifically configured in the following manner:
mode 1: audio and video data are encoded by a DSC (Display Stream Compression) Compression algorithm to obtain first code Stream data. Mode 2: and (3) encoding the audio and video data by a CSC (Color Space Converter) compression algorithm to obtain first code stream data with a YUV420 data format.
Mode 3: and coding the audio and video data through a JPEG2000 compression algorithm to obtain first code stream data.
Mode 4: and coding the audio and video data through a CSC compression algorithm to obtain first data, and coding the first data through a DSC compression algorithm to obtain first code stream data.
Mode 5: and coding the audio and video data through a CSC compression algorithm to obtain first data, and coding the first data through a JPEG2000 compression algorithm to obtain first code stream data.
It should be noted that the first encapsulation module may be further configured to encapsulate the first code stream data into a first protocol data stream through a preset protocol. The first transmission medium interface 102 may be specifically configured to:
the first protocol data stream is transmitted to a receiving device.
The first transmission medium interface 102 may include a first optical port or a first network port;
specifically, when the first transmission medium interface 102 is a first optical interface, the sending device 10 may send the first protocol data stream to the receiving device through the first optical interface and based on an optical fiber, where the first optical interface may be an optical fiber interface. Alternatively, the length of the optical fiber may be 70m, and the embodiments of the present invention are not limited.
When the first transmission medium interface 102 is a first network port, the sending device 10 may send the first protocol data stream to the receiving device through the first network port and based on a network cable, where the first network port may be a network cable interface used between a network card and a network. Optionally, the length of the mesh wire may be 70m, and the embodiment of the present invention is not limited.
The utility model provides a structural schematic diagram of another kind of transmitting device of audio and video data in remote transmission scene, as shown in FIG. 3, transmitting device 10 can include but not limited to: the HDMI device comprises a first HDMI input interface 100, a first processing module 101, and a first transmission medium interface 102.
In particular, the first processing module 101 may include: a first coding module 1012 and a first packaging module 1011.
The first encoding module 1012 may be specifically configured to: the audio and video data input based on the first HDMI input interface 100 is encoded by a DSC compression algorithm, a CSC compression algorithm, a JPEG2000 compression algorithm, or any of the two algorithms to obtain first code stream data.
The first package module 1011 may be specifically configured to: the first code stream data obtained by the first encoding module 1012 is encapsulated by a TMDS protocol to obtain a first protocol data stream. It should be noted that, the first encapsulation module may be further configured to directly encapsulate the audio/video data into a first protocol data stream through a preset protocol, where the preset protocol may include but is not limited to: any one of UDP protocol, TCP protocol, or custom protocol.
It should be noted that fig. 2-3 are only used for explaining the embodiments of the present invention, and should not limit the present invention.
The embodiment of the utility model provides a transmitting device of audio and video data in remote transmission scene, at first, transmitting device 10 acquires audio and video data through first HDMI input interface 100, and then, transmitting device 10 becomes first agreement data stream through first processing module 101 with audio and video data processing, and then, transmitting device 10 sends first agreement data stream through first transmission medium interface 102. Adopt the utility model discloses, can realize audio and video data's extension transmission, through the processing to audio and video data, can reduce transmission cost, reduce the engineering time, user experience is higher.
Referring to fig. 4, which is a schematic structural diagram of a receiving apparatus for audio/video data in a long-distance scene according to the present invention, as shown in fig. 4, the receiving apparatus 20 may include but is not limited to: a second transmission medium interface 200, a second processing module 201, a third transmission medium interface 202, and a second HDMI output interface 203.
A second transmission medium interface 200 operable to obtain a first protocol data stream from a transmitting device;
the second processing module 201 is configured to process the first protocol data stream to obtain a second preset protocol data stream and second preset audio/video data;
a third transmission medium interface 202, configured to output a second preset protocol data stream;
and the second HDMI output interface 203 is configured to output second preset audio/video data.
It should be noted that the second transmission medium interface 200 may include a second optical port or a second network port, where the second optical port may be an optical fiber interface, and the second network port may be a network cable interface used between a network card and a network.
Specifically, when the second transmission medium interface 200 is a second optical port, the receiving device 20 may obtain the first protocol data stream from the transmitting device through the second optical port based on the optical fiber.
The third transmission medium interface 202 may comprise a third optical port or a third network port;
specifically, when the third transmission medium interface 202 is a third optical port, the receiving device 20 may output the second predetermined protocol data stream to other receiving devices through the third optical port based on the optical fiber.
When the third transmission medium interface 202 is a third network port, the receiving device 20 may output the second predetermined protocol data stream to other receiving devices through the third network port and based on the network cable.
The second processing module 201 can be specifically used in the following four aspects.
In a first aspect, the second processing module 201 may specifically include: a second decapsulation module and a generation module.
The second decapsulation module is used for decapsulating the first protocol data stream through a TMDS protocol to obtain second preset audio/video data;
and the generation module is used for generating a second preset protocol data stream based on the second preset audio and video data through a TMDS protocol.
The utility model provides a schematic structure diagram of audio and video data's receiving arrangement in another kind of remote scene, as shown in FIG. 5, receiving arrangement 20 can include but not limited to: a second transmission medium interface 200, a second processing module 201, a third transmission medium interface 202, and a second HDMI output interface 203.
Specifically, the second processing module 201 may specifically include: a second decapsulation module 2011, a generation module 2012.
A second decapsulation module 2011, configured to decapsulate the first protocol data stream according to the TMDS protocol to obtain second preset audio/video data;
the generating module 2012 is configured to generate a second preset protocol data stream based on the second preset audio/video data and through a TMDS protocol.
It should be noted that, when the transmitting apparatus encapsulates the audio/video data acquired from the video source device into the first protocol data stream through the TMDS protocol, the second decapsulation module performs decapsulation operation on the first protocol data stream through the TMDS protocol to obtain second preset audio/video data.
Understandably, when the sending device encapsulates the audio and video data acquired from the video source device into a first protocol data stream through a preset protocol, the second decapsulation module is further configured to decapsulate the first protocol data stream through the preset protocol to obtain second preset audio and video data. The preset protocol may include, but is not limited to: UDP protocol, TCP protocol, or custom protocol.
In the second aspect, the second processing module 201 may specifically include: the second decapsulation module, the second decoding module and the generation module;
the second decapsulation module is used for decapsulating the first protocol data stream through a TMDS protocol to obtain second preset code stream data;
the second decoding module is used for decoding the second preset code stream data through a decompression algorithm to obtain second preset audio and video data;
and the generation module is used for generating a second preset protocol data stream based on the second preset audio and video data through a TMDS protocol.
The utility model provides a structural schematic diagram of audio and video data's receiving arrangement in remote scene still, as shown in FIG. 6, receiving arrangement 20 can include but not limited to: a second transmission medium interface 200, a second processing module 201, a third transmission medium interface 202, and a second HDMI output interface 203.
Specifically, the second processing module 201 may specifically include: a second decapsulation module 2011, a generation module 2012 and a second decoding module 2013.
A second decapsulation module 2011, configured to decapsulate the first protocol data stream according to the TMDS protocol to obtain second preset code stream data;
the second decoding module 2013 is configured to perform decoding operation on the second preset code stream data through a decompression algorithm to obtain second preset audio/video data;
the generating module 2012 is configured to generate a second preset protocol data stream based on the second preset audio/video data and through a TMDS protocol.
It should be noted that, when the transmitting apparatus encodes the audio and video data acquired from the video source device by using a compression algorithm to obtain first code stream data, and encapsulates the first code stream data into a first protocol data stream through a TMDS protocol, the second decapsulation module decapsulates the first protocol data stream through the TMDS protocol to obtain second preset code stream data, and the second decoding module decodes the second preset code stream data through a decompression algorithm to obtain second preset audio and video data.
Understandably, when the sending device encodes audio and video data acquired from the video source equipment through a compression algorithm to acquire first code stream data and encapsulates the first code stream data into a first protocol data stream through a preset protocol, the second decapsulating module decapsulates the first protocol data stream through the preset protocol to acquire second preset code stream data, and the second decoding module decodes the second preset code stream data through a decompression algorithm to acquire second preset audio and video data.
Understandably, when the sending device encapsulates the first code stream data into the first protocol data stream through the preset protocol, the second decapsulation module is further configured to decapsulate the first protocol data stream through the preset protocol to obtain second preset code stream data. The preset protocol may include, but is not limited to: UDP protocol, TCP protocol, or custom protocol.
In a third aspect, the second processing module 201 may specifically include: a second decapsulation module and a copy module;
the copying module is used for copying the first protocol data stream to obtain a second preset protocol data stream;
and the second decapsulation module is used for decapsulating the first protocol data stream through the TMDS protocol to obtain second preset audio/video data.
The utility model provides a structural schematic diagram of audio and video data's receiving arrangement in remote scene still, as shown in FIG. 7, receiving arrangement 20 can include but not limited to: a second transmission medium interface 200, a second processing module 201, a third transmission medium interface 202, and a second HDMI output interface 203.
In particular, the second processing module 201 may include: a second decapsulation module 2011 and a copy module 2014.
A copying module 2014, configured to copy the first protocol data stream to obtain a second preset protocol data stream;
the second decapsulation module 2011 is configured to decapsulate the first protocol data stream according to the TMDS protocol to obtain second preset audio/video data.
It should be noted that, when the transmitting apparatus encapsulates the audio and video data acquired from the video source device into the first protocol data stream through the TMDS protocol, the second decapsulation module performs decapsulation operation on the first protocol data stream through the TMDS protocol to obtain second preset audio and video data. Understandably, when the sending device encapsulates the audio and video data acquired from the video source device into a first protocol data stream through a preset protocol, the second decapsulation module decapsulates the first protocol data stream through the preset protocol to obtain second preset audio and video data.
In the fourth aspect, the second processing module 201 may specifically include:
the second decapsulation module, the second decoding module and the copying module;
the copying module is used for copying the first protocol data stream to obtain a second preset protocol data stream;
the second decapsulation module is used for decapsulating the first protocol data stream through the TMDS protocol to obtain second preset code stream data;
and the second decoding module is used for decoding the second preset code stream data through a decompression algorithm to obtain second preset audio and video data.
The utility model provides a structural schematic diagram of audio and video data's receiving arrangement in remote scene still, as shown in FIG. 8, receiving arrangement 20 can include but not limited to: a second transmission medium interface 200, a second processing module 201, a third transmission medium interface 202, and a second HDMI output interface 203.
In particular, the second processing module 201 may include: a second decapsulation module 2011, a replication module 2014, and a second decoding module 2013. Wherein the content of the first and second substances,
a copying module 2014, configured to copy the first protocol data stream to obtain a second preset protocol data stream;
a second decapsulation module 2011, configured to decapsulate the first protocol data stream according to the TMDS protocol to obtain second preset code stream data;
the second decoding module 2013 may be configured to perform a decoding operation on the second preset code stream data through a decompression algorithm to obtain second preset audio/video data.
It should be noted that, when the transmitting apparatus encodes the audio and video data acquired from the video source device by using a compression algorithm to obtain first code stream data, and encapsulates the first code stream data into a first protocol data stream by using a TMDS protocol, the second decapsulation module decapsulates the first protocol data stream by using the TMDS protocol to obtain second preset code stream data, and the second decoding module decodes the second preset code stream data by using a decompression algorithm to obtain second preset audio and video data.
Understandably, when the sending device encodes audio and video data acquired from the video source equipment through a compression algorithm to acquire first code stream data and encapsulates the first code stream data into a first protocol data stream through a preset protocol, the second decapsulation module decapsulates the first protocol data stream through the preset protocol to acquire second preset code stream data, and the second decoding module decodes the second preset code stream data through a decompression algorithm to acquire second preset audio and video data.
The utility model provides a structural schematic diagram of audio and video data's receiving arrangement in remote scene still, as shown in FIG. 9, receiving arrangement 20 can include but not limited to: a first receiving device 21 and a second receiving device 22;
the first receiving device 21 may include:
a second transmission medium interface 210, a second processing module 211, a third transmission medium interface 212, and a second HDMI output interface 213;
it should be noted that the second transmission medium interface 210 may be configured to acquire the first protocol data stream transmitted by the transmitting apparatus.
The second processing module 211 is configured to process the first protocol data stream obtained through the second transmission medium interface 210 to obtain a second preset protocol data stream and second preset audio/video data;
a second HDMI output interface 213 operable to: and outputting the second preset audio and video data to the display device 1 to display the audio and video corresponding to the second preset audio and video data.
A third transmission medium interface 212 operable to: the second pre-set protocol data stream is output to the second receiving means 22.
The third transmission medium interface 212 may include a third optical port or a third network port, the third optical port may be an optical fiber interface, and the third network port may be a network cable interface used between a network card and a network;
specifically, when the third transmission medium interface 212 is a third optical port, the first receiving device 21 may send the second predetermined protocol data stream to the second receiving device 22 through the third optical port and based on the optical fiber.
Specifically, when the third transmission medium interface 212 is a third network port, the first receiving device 21 may send the second predetermined protocol data stream to the second receiving device 22 through the third network port and based on the network cable. The second receiving device 22 may include:
a fourth transmission medium interface 220, a third processing module 221, a fifth transmission medium interface 222, and a third HDMI output interface 223.
It should be noted that the fourth transmission medium interface 220 may be configured to receive the second preset protocol data stream transmitted by the first receiving device 21 based on the third transmission medium interface 212.
The third processing module 221 is configured to process the second preset protocol data stream obtained through the third transmission medium interface 212 to obtain third preset audio/video data and a third preset protocol data stream;
a third HDMI output interface 223 operable to output third preset audio/video data to the display device 2;
the fifth transmission medium interface 222 may be configured to transmit the third preset protocol data stream to other receiving apparatuses in the receiving apparatus 20 except the first receiving apparatus 21 and the second receiving apparatus 22.
It should be noted that the fourth transmission medium interface 220 may include a fourth optical port or a fourth network port, where the fourth optical port may be an optical fiber interface, and the fourth network port may be a network cable interface used between the network card and the network;
specifically, when the fourth transmission medium interface 220 is a fourth optical port, the second receiving device 22 may obtain the second predetermined protocol data stream from the first receiving device 21 through the fourth optical port and the optical fiber.
Specifically, when the fourth transmission medium interface 220 is a fourth network port, the second receiving device 22 may obtain the second predetermined protocol data stream from the first receiving device 21 through the fourth network port and the network cable.
It should be noted that the fifth transmission medium interface 222 may include a fifth optical port or a fifth network port, where the fifth optical port may be an optical fiber interface, and the fifth network port may be a network cable interface used between the network card and the network;
specifically, when the fifth transmission medium interface 222 is a fifth optical port, the second receiving device 22 may send the third predetermined protocol data stream to other receiving devices in the receiving device 20, except the first receiving device 21 and the second receiving device 22, through the second optical port and based on the optical fiber.
Specifically, when the fifth transmission medium interface 222 is a fifth network port, the second receiving device 22 may send the third preset protocol data stream to other receiving devices in the receiving device 20, except the first receiving device 21 and the second receiving device 22, through the fifth network port and based on the network cable. To sum up, the utility model discloses can realize: the purpose that the same audio and video data or audio and video content are displayed by the display equipment respectively connected with each receiving device in the plurality of receiving devices can be achieved only by one sending device, and the transmission cost is reduced.
Referring to fig. 10, which is a schematic diagram of an audio/video data transmission system in a remote scene according to the present invention, as shown in fig. 10, the transmission system may include: the transmitting device 10 shown in fig. 1, and the receiving device 20 and the cable 30 shown in fig. 4, wherein the cable 30 may include, but is not limited to: transmission media such as network cables or optical fibers.
It is to be understood that, related definitions and descriptions not provided in the embodiment of fig. 10, and specific implementation manners of functional components included in the transmitting device 10 and the receiving device 20 of fig. 10 may refer to the embodiments described in fig. 1 to 9, and are not repeated herein.
Claims (10)
1. Transmitting apparatus for transmitting audiovisual data in a scene over a long distance, comprising:
the device comprises a first HDMI input interface, a first processing module and a first transmission medium interface; the first HDMI input interface is used for acquiring audio and video data; the first processing module is used for processing the audio and video data into a first protocol data stream; the first transmission medium interface is used for transmitting the first protocol data stream; the first HDMI input interface, the first processing module and the first transmission medium interface are connected in sequence.
2. The transmission apparatus according to claim 1,
the first processing module comprises: a first package module;
and the first packaging module is used for processing the audio and video data into a first protocol data stream.
3. The transmission apparatus according to claim 1,
the first processing module comprises: the device comprises a first coding module and a first packaging module;
the first coding module is used for coding the audio and video data through a compression algorithm to obtain first code stream data; the first encapsulation module is configured to encapsulate the first code stream data into the first protocol data stream through a TMDS protocol.
4. Receiving arrangement of audio and video data in long distance transmission scene, its characterized in that includes:
the device comprises a second transmission medium interface, a second processing module, a third transmission medium interface and a second HDMI output interface; the second transmission medium interface is used for acquiring a first protocol data stream; the second processing module is used for processing the first protocol data stream to obtain a second preset protocol data stream and second preset audio/video data; the third transmission medium interface is configured to output the second preset protocol data stream; and the second HDMI output interface is used for outputting the second preset audio and video data.
5. The receiving device of claim 4,
the receiving apparatus includes: a first receiving device and a second receiving device;
the first receiving device is configured to output the second preset protocol data stream to the second receiving device through a third transmission medium interface of the first receiving device, and output the second preset audio/video data to a display device through a second HDMI output interface of the first receiving device.
6. The receiving device of claim 4,
the second processing module: the method comprises the following steps: a second decapsulation module and a generation module;
the second decapsulation module is configured to decapsulate the first protocol data stream through a TMDS protocol to obtain second preset audio/video data;
and the generating module is used for generating a second preset protocol data stream based on the second preset audio and video data through the TMDS protocol.
7. The receiving device of claim 4,
the second processing module: the method comprises the following steps: the second decapsulation module, the second decoding module and the generation module;
the second decapsulation module is configured to decapsulate the first protocol data stream according to a TMDS protocol to obtain second preset code stream data;
the second decoding module is used for decoding the second preset code stream data through a decompression algorithm to obtain second preset audio and video data;
and the generating module is used for generating a second preset protocol data stream based on the second preset audio and video data through the TMDS protocol.
8. The receiving device of claim 4,
the second processing module: the method comprises the following steps: a second decapsulation module and a copy module;
the replication module is configured to replicate the first protocol data stream to obtain a second preset protocol data stream;
and the second decapsulation module is used for decapsulating the first protocol data stream through a TMDS protocol to obtain second preset audio/video data.
9. The receiving device of claim 4,
the second processing module: the method comprises the following steps: the second decapsulation module, the second decoding module and the copying module;
the replication module is configured to replicate the first protocol data stream to obtain a second preset protocol data stream;
the second decapsulation module is configured to decapsulate the first protocol data stream according to a TMDS protocol to obtain second preset code stream data;
and the second decoding module is used for decoding the second preset code stream data through a decompression algorithm to obtain second preset audio and video data.
10. Audio-video data transmission system in remote transmission scene, its characterized in that includes: a transmitting device as claimed in any one of claims 1 to 3, and a receiving device as claimed in any one of claims 4 to 9.
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