CN216313299U - Audio and video real-time storage and live broadcast device - Google Patents
Audio and video real-time storage and live broadcast device Download PDFInfo
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- CN216313299U CN216313299U CN202120830915.0U CN202120830915U CN216313299U CN 216313299 U CN216313299 U CN 216313299U CN 202120830915 U CN202120830915 U CN 202120830915U CN 216313299 U CN216313299 U CN 216313299U
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Abstract
The utility model relates to an audio and video real-time storage and live broadcast device which comprises an audio and video acquisition module, a compression processing module and a communication module. The audio and video acquisition module is used for acquiring audio data and video data and transmitting the audio data and the video data to the compression processing module, the compression processing module is used for compressing and packaging the audio data and the video data to obtain a playable file, and the playable file is transmitted to the server through the communication module for real-time live broadcast. And then connect communication module through compression processing module, can reduce the network occupation volume that can play the file to live in real time, thereby avoid the video card pause and the phenomenon such as picture quality is unclear, solve the asynchronous problem of audio frequency and video. The device is low in cost, small in size and convenient to carry, greatly improves the use convenience, is suitable for various report lectures, can be widely applied to schools, markets, companies and the like, and is wide in application range.
Description
Technical Field
The utility model relates to the technical field of audio and video processing equipment, in particular to an audio and video real-time storage and live broadcast device.
Background
With the increasing development of internet technology and the coming of the 5G era, various intelligent products are frequently produced in modern society, and related products and technologies corresponding to the traditional technology are replaced, so that the traditional industry and related fields are promoted and subverted. In traditional teaching and meeting, relevant recording equipment is too complex, a professional meeting room and various audio and video arrays are needed, a high-speed high-bandwidth network is needed in the live broadcasting process, and although the phenomena of video blocking, audio and video asynchronism, unclear image quality and the like still occur, the equipment is too expensive, and common units cannot bear the phenomena.
Disclosure of Invention
The utility model aims to provide an audio and video real-time storage and live broadcast device which can avoid the phenomena of video blockage, audio and video asynchronism, unclear image quality and the like, is low in cost, small in size and convenient to carry, enables more units to carry out live broadcast on meeting reports, teaching and the like, and promotes the industry progress and social development.
In order to achieve the purpose, the utility model provides the following scheme:
an audio and video real-time storage and live broadcast device comprises an audio and video acquisition module, a compression processing module and a communication module;
the audio and video acquisition module and the communication module are in communication connection with the compression processing module;
the audio and video acquisition module is used for acquiring audio data and video data and transmitting the audio data and the video data to the compression processing module;
the compression processing module is used for compressing and packaging the audio data and the video data to obtain a playable file, and transmitting the playable file to a server through the communication module for real-time live broadcast.
According to the specific embodiment provided by the utility model, the utility model discloses the following technical effects:
the utility model provides an audio and video real-time storage and live broadcast device which comprises an audio and video acquisition module, a compression processing module and a communication module, wherein the audio and video acquisition module and the communication module are in communication connection with the compression processing module. The audio and video acquisition module is used for acquiring audio data and video data and transmitting the audio data and the video data to the compression processing module, the compression processing module is used for compressing and packaging the audio data and the video data to obtain a playable file, and the playable file is transmitted to the server through the communication module for real-time live broadcast. And then connect communication module through compression processing module, can reduce the network occupation volume that can play the file to live in real time, thereby avoid the video card pause and the phenomenon such as picture quality is unclear, solve the asynchronous problem of audio frequency and video. In addition, the device provided by the utility model has the advantages of low cost, small volume and portability, greatly improves the use convenience, is suitable for various report lectures, can be widely applied to schools, markets, companies and the like, has wide application range and high practicability, enables more units to directly broadcast and store meeting reports, teaching and the like, and promotes the industrial progress and social development.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is an entity structure diagram of an audio/video real-time storage and live broadcast apparatus provided in embodiment 1 of the present invention.
Fig. 2 is a connection diagram of internal modules of the audio/video real-time storage and live broadcast apparatus provided in embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of an audio/video acquisition module provided in embodiment 1 of the present invention.
Description of the symbols:
1: an audio and video acquisition module; 2: a compression processing module; 3: a communication module; 4: a VGA input interface; 5: an HDMI input interface; 6: an audio jack; 7: a playing module; 8: an HDMI output interface; 9: a storage module; 10: a USB interface; 11: a power supply module; 12: a power interface; 13: a network port; 14: heat dissipation holes; 1-1: a VGA acquisition unit; 1-2: an HDMI acquisition unit; 1-3: a video conversion unit; 1-4: an audio acquisition unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model aims to provide an audio and video real-time storage and live broadcast device which can avoid the phenomena of video blockage, audio and video asynchronism, unclear image quality and the like, is low in cost, small in size and convenient to carry, enables more units to carry out live broadcast and storage on meeting reports, teaching and the like, and promotes the industry progress and social development.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1:
the embodiment is used for providing an audio and video real-time storage and live broadcast device, and after recording audio and video through recording equipment, the audio and video can be collected through the device and live broadcast is carried out. As shown in fig. 1 and 2, the device includes an audio/video acquisition module 1, a compression processing module 2 and a communication module 3, and both the audio/video acquisition module 1 and the communication module 3 are in communication connection with the compression processing module 2.
The audio and video acquisition module 1 is used for acquiring audio data and video data and transmitting the audio data and the video data to the compression processing module 2.
As an optional implementation mode, in order to realize the collection of video data, the device still includes VGA input interface 4 and HDMI input interface 5, VGA input interface 4 is connected with the external equipment that the inside storage has video data and audio video collection module 1's input respectively, HDMI input interface 5 is connected with the external equipment that the inside storage has video data and audio video collection module 1's input respectively, and audio video collection module 1 gathers the video data of the transmission through VGA input interface 4 and the video data of the transmission through HDMI input interface 5 respectively. And then when gathering video data, through setting up multiple type video interface such as VGA input interface 4 and HDMI input interface 5, can gather binary channels video input, avoid traditional video acquisition channel single and the single problem of the collection picture that leads to, improved video picture quality greatly. It will be appreciated by those skilled in the art that other types of interfaces may be provided on the device described in this embodiment to enable a greater variety of video inputs.
More specifically, as shown in fig. 3, after a multi-interface design is performed to support input of multiple types of videos, the audio/video acquisition module 1 includes a VGA acquisition unit 1-1 and an HDMI acquisition unit 1-2. The input end of the VGA acquisition unit 1-1 is connected with the VGA input interface 4, and the VGA acquisition unit 1-1 is used for acquiring video data transmitted through the VGA input interface 4. The input end of the HDMI acquisition unit 1-2 is connected with the HDMI input interface 5, the HDMI acquisition unit 1-2 is used for acquiring video data transmitted through the HDMI input interface 5, the types of the acquisition units included in the audio/video acquisition module 1 are designed corresponding to the set interface types, and each acquisition unit acquires the video data transmitted through the corresponding interface. Specifically, the VGA acquisition unit 1-1 adopts a TVP7002 chip, and the working mode of the chip is implemented by programming its internal registers through an I2C bus. Or the VGA acquisition unit 1-1 adopts an MS9282 chip, and the HDMI acquisition unit 1-2 adopts a CM2020 chip.
The audio and video acquisition module 1 further comprises video conversion units 1-3. The input end of the video conversion unit 1-3 is respectively electrically connected with the output end of the VGA acquisition unit 1-1 and the output end of the HDMI acquisition unit 1-2, the output end of the video conversion unit 1-3 is electrically connected with the compression processing module 2, and the video conversion unit 1-3 is used for converting the video data acquired by the VGA acquisition unit 1-1 and the HDMI acquisition unit 1-2 into RGB video data and transmitting the RGB video data to the compression processing module 2. The video conversion units 1 to 3 may employ LT8619C type video conversion chips.
As a specific implementation manner, in order to realize the acquisition of the audio data, the apparatus further includes an audio jack 6, and the audio jack 6 is respectively connected to an external device in which the audio data is stored and an input end of the audio and video acquisition module 1. The audio and video acquisition module 1 is also used for acquiring audio data transmitted through the audio jack 6. The device can support a 3.5mm audio jack 6.
More specifically, the audio/video acquisition module 1 includes audio acquisition units 1 to 4. The input end of the audio acquisition unit 1-4 is connected with the audio jack 6, and the output end of the audio acquisition unit 1-4 is electrically connected with the compression processing module 2. The audio acquisition units 1 to 4 are used for acquiring audio data transmitted through the audio jack 6 and transmitting the audio data to the compression processing module 2, thereby realizing the acquisition of the audio data. The audio capture units 1-4 may optionally use a TLV320A1C31 audio capture chip.
The compression processing module 2 is used for compressing and packaging the audio data and the video data acquired by the audio and video acquisition module 1 to obtain a playable file, and transmitting the playable file to a server through the communication module 3 for real-time live broadcast.
Specifically, the compression processing module 2 may adopt an HI3531DV100 chip or an HI3519A chip, and the compression processing module 2 includes an audio/video circuit unit and a main control circuit unit. The audio and video circuit unit is electrically connected with the audio and video acquisition module 1, and the main control circuit unit is respectively electrically connected with the audio and video circuit unit and the communication module 3. The audio and video circuit unit can respectively compress the received video data and audio data, and encapsulate the compressed audio data and video data to obtain a playable file in an MP4 format. And then through compressing audio data and video data, can reduce the network occupation volume of playable file to avoid the video card pause and the phenomenon such as picture quality is unclear, before live broadcasting, encapsulate audio data and video data after compressing earlier, then directly utilize the playable file that encapsulates to live, can solve the asynchronous problem of audio frequency and video.
In addition, the audio and video circuit unit can also perform H.265 compression coding on the received video data and perform AAC compression coding on the received audio data. It should be noted that the compression, encoding and encapsulation methods used in the present embodiment are all existing methods, and can be implemented by using the functions of the compression processing module 2 itself, and the present embodiment does not improve these methods further.
The main control circuit unit is electrically connected with the communication module 3, and can transmit an instruction to the communication module 3 through the main control circuit unit to realize network transmission of a playable file, and transmit the playable file to a server for real-time live broadcast. Specifically, the compression processing module 2 is electrically connected with the communication module 3 through an RGMII pin, the communication module 3 realizes network transmission of the playable file through the network port 13, and the playable file is pushed to the server by adopting an RTMP protocol, thereby realizing a real-time live broadcast function. The communication module 3 may employ an RTL8211E type communication chip and its peripheral circuit or a VSC8601 chip. The port 13 may be an RJ45 port. The other path of I2C interface of the compression processing module 2 is also electrically connected to the communication module 3, and through the I2C bus, the compression processing module 2 sends the compressed and packaged playable file to the communication module 3, and the playable file is forwarded to the PC by the communication module 3.
The real-time audio and video storage and live broadcast device provided by the embodiment collects various types of video input through a multi-interface design of the VGA input interface 4 and the HDMI input interface 5, transmits audio and video data to the compression processing module 2, compresses and encapsulates the video and the audio to obtain a playable file, and then uses the communication module 3 to push the playable file to a server by adopting an RTMP protocol, so that the real-time live broadcast function is realized.
The traditional audio and video processing and live broadcasting equipment needs too complex equipment, has too high cost and has low playback quality after content storage. In order to enable the real-time audio and video storage and live broadcast device of the embodiment to have the function of real-time playback, the device further comprises a playing module 7 and an HDMI output interface 8. The input end of the playing module 7 is electrically connected with the compression processing module 2, the output end of the playing module 7 is connected with the HDMI output interface 8, and the HDMI output interface 8 is further connected with an external display device. The playing module 7 is configured to receive the playable file, and transmit the playable file to the external display device through the HDMI output interface 8 for playing, so as to implement real-time playback of the playable file. Specifically, the playing module 7 adopts an SIL9022A chip.
As an optional implementation manner, an HDMI transmission module is further disposed between the playing module 7 and the HDMI output interface 8, and the HDMI transmission module may employ an LT8619C chip, which is capable of converting the digital video output stream bt.656 format into a YUV data stream format, and further transmitting the converted YUV data stream to an external display device through the HDMI output interface 8 for real-time playback.
In order to enable the real-time audio and video storage and live broadcast device of the embodiment to have a storage function, the device further comprises a storage module 9 and a USB interface 10. The input end of the memory module 9 is electrically connected with the compression processing module 2, and the memory module 9 is composed of two circuits, namely an MT29F128G08 chip and an HPA00615D chip. The USB interface 10 is detachably connected with an external USB flash disk, and when the external USB flash disk is connected with the USB interface 10, the compression processing module 2 can select to store the playable files to the storage module 9 or to the external USB flash disk. When no external USB flash disk is connected with the USB interface 10, the compression processing module 2 stores the playable file to the storage module 9. And further, the live content can be stored each time, and when the live content needs to be played back again in the following, the playing module 7 can directly call the playable file which is desired to be read from the storage module 9 or the external U disk, and then play back in real time.
The device further comprises a power supply module 11 and a power interface 12. The input end of the power supply module 11 is electrically connected with an external power supply through the power interface 12, the power supply module 11 can be externally provided with a power adapter and directly connected with a 220V power socket, and the output end of the power supply module 11 is electrically connected with the audio and video acquisition module 1, the compression processing module 2, the communication module 3, the storage module 9 and the playing module 7 respectively. The power supply module 11 outputs power supply voltage required by each module through the DC-DC power supply conversion chip, and further converts the voltage of an external power supply into the power supply voltage respectively corresponding to the audio and video acquisition module 1, the compression processing module 2, the communication module 3, the storage module 9 and the playing module 7, so that the normal operation of the device can be ensured.
As shown in fig. 3, the direct broadcast device in this embodiment is further provided with heat dissipation holes for dissipating heat of the device.
The audio and video real-time storage and live broadcast device provided by the utility model has the advantages of multi-channel acquisition of audio and video, high compression rate and small damage to content, and through establishing a communication feedback mechanism, a server can ensure high transmission rate and synchronization of the audio and video without blocking through measures such as reducing video code rate and video resolution, and the like, and can transmit synchronous live broadcast through a network, and the whole live broadcast content is completely recorded and stored to the storage module 9 during live broadcast, and can be played back at any time in the follow-up process, so that the functions of real-time live broadcast, live broadcast content storage and playback at any time are realized, the volume is small, the carrying is convenient, and the use convenience is greatly improved. The device is suitable for various report lectures, can be carried about, can also be widely applied to schools, markets, companies and the like, and has wide application range and high practicability.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.
Claims (9)
1. An audio and video real-time storage and live broadcast device is characterized by comprising an audio and video acquisition module, a compression processing module and a communication module;
the audio and video acquisition module and the communication module are in communication connection with the compression processing module;
the audio and video acquisition module is used for acquiring audio data and video data and transmitting the audio data and the video data to the compression processing module;
the compression processing module is used for compressing and packaging the audio data and the video data to obtain a playable file, and transmitting the playable file to a server through the communication module for real-time live broadcast;
the device also comprises a playing module and an HDMI output interface; the input end of the playing module is electrically connected with the compression processing module; the output end of the playing module is connected with the HDMI output interface; the HDMI output interface is also connected with external display equipment; the playing module is used for receiving the playable file and transmitting the playable file to the external display equipment through the HDMI output interface for playing;
the device also comprises an HDMI transmission module arranged between the playing module and the HDMI output interface, wherein the HDMI transmission module is used for converting the digital video output stream BT.656 format into a YUV data stream format.
2. The device for real-time storage and live broadcast of audio and video according to claim 1, wherein the device further comprises a VGA input interface and an HDMI input interface;
the VGA input interface is respectively connected with an external device with video data stored therein and the input end of the audio and video acquisition module;
the HDMI input interface is respectively connected with external equipment with video data stored therein and the input end of the audio and video acquisition module;
the audio and video acquisition module is also used for respectively acquiring the video data transmitted through the VGA input interface and the video data transmitted through the HDMI input interface.
3. The device for real-time storage and live broadcast of audio and video according to claim 2, wherein the audio and video acquisition module comprises a VGA acquisition unit and an HDMI acquisition unit;
the input end of the VGA acquisition unit is connected with the VGA input interface; the VGA acquisition unit is used for acquiring video data transmitted through the VGA input interface;
the input end of the HDMI acquisition unit is connected with the HDMI input interface; the HDMI acquisition unit is used for acquiring the video data transmitted through the HDMI input interface.
4. The device for real-time storage and live broadcast of audio and video according to claim 3, wherein the audio and video acquisition module further comprises a video conversion unit;
the input end of the video conversion unit is respectively and electrically connected with the output end of the VGA acquisition unit and the output end of the HDMI acquisition unit; the output end of the video conversion unit is electrically connected with the compression processing module;
the video conversion unit employs an LT8619C type video conversion chip.
5. An audiovisual real-time storage and live broadcast device according to claim 1, characterized in that said device further comprises an audio jack;
the audio jack is respectively connected with external equipment with audio data stored therein and the input end of the audio and video acquisition module;
the audio and video acquisition module is also used for acquiring audio data transmitted through the audio jack.
6. The device for real-time storage and live broadcast of audio and video according to claim 5, wherein the audio and video acquisition module comprises an audio acquisition unit;
the input end of the audio acquisition unit is connected with the audio jack; the output end of the audio acquisition unit is electrically connected with the compression processing module; the audio acquisition unit is used for acquiring audio data transmitted through the audio jack and transmitting the audio data to the compression processing module.
7. The device for real-time storage and live broadcast of audio and video according to claim 1, wherein the device further comprises a storage module and a USB interface;
the input end of the storage module is electrically connected with the compression processing module; the USB interface is detachably connected with an external USB flash disk;
the compression processing module is further used for storing the playable file to the storage module or to the external U disk.
8. The device for real-time audio and video storage and live broadcasting of claim 1, wherein the device further comprises a power supply module;
the input end of the power supply module is electrically connected with an external power supply; the output end of the power supply module is respectively and electrically connected with the audio and video acquisition module, the compression processing module and the communication module;
the power supply module is used for converting the voltage of an external power supply into the power supply voltages corresponding to the audio and video acquisition module, the compression processing module and the communication module respectively.
9. The device for real-time storage and live broadcast of audio and video according to claim 1, wherein the compression processing module employs a HI3531DV100 chip.
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| CN202120830915.0U CN216313299U (en) | 2021-04-22 | 2021-04-22 | Audio and video real-time storage and live broadcast device |
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| CN202120830915.0U CN216313299U (en) | 2021-04-22 | 2021-04-22 | Audio and video real-time storage and live broadcast device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115442638A (en) * | 2022-09-15 | 2022-12-06 | 浙江农业商贸职业学院 | Multimedia synchronous live broadcast system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115442638A (en) * | 2022-09-15 | 2022-12-06 | 浙江农业商贸职业学院 | Multimedia synchronous live broadcast system |
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