CN201479301U - External video conference device - Google Patents

Abstract

The utility model relates to an external video conference device, belonging to the electronic communication class. The data processing device is connected to the computer by USB transmission interface, wherein the data processing device is mainly composed of H.264 coding module and message coding module, the H.264 coding module is used to receive a digital message, and code and compress the message, and transmit it to the computer and transmit it to at least one remote server by USB transmission interface, and the computer has a real-time coding and decoding module, message decoding module and H.264 decoding module for receiving the compressed message from the computer of other client end and decompressing, therefore, the external data processing device is not only convenient for carrying, but also can be used in any type of computer.

Description

External video conferencing device

technical field

The utility model relates to electronic communication, in particular to an external video conferencing device, especially an external video conferencing device using external H.264 for image encoding.

Background technique

With the rapid development of science and technology, modern people use the Internet to make communication unlimited, from the communication method of letters to the transmission of voice, and progress to the current video communication, which shows the convenience brought by technology to modern people. Through video communication It is not only suitable for chatting with ordinary users, but also for long-distance multi-person conferences, and even has considerable practicability for social security and medical behavior.

In the past video communication methods, the video and audio packets must be transmitted to the receiving end through the encoding module built in the computer. However, with the rapid development of notebook computers, notebook computers are becoming shorter and thinner. Relatively, some parts must be sacrificed. Audio-visual function;

In the past, the hardware video equipment was all independent machines, which were expensive. In addition, in addition to the basic video and audio, there was also data sharing and interaction in the communication of the meeting. If the traditional video equipment needs to share data, it needs to spend more time. A sum of money for functional upgrades.

The problems mentioned above need to be further improved.

Utility model content

The purpose of this utility model is to provide an external video conferencing device, which mainly connects a data processing device to a computer through a USB transmission interface. In addition to basic images and sounds, it also has data sharing and interaction functions; the utility model The data processing device can further add an audio decoding module and an H.264 decoding module to increase the range of use of the data processing device.

The data processing device is mainly composed of an H.264 encoding module and an audio encoding module, and the H.264 encoding module is used to receive a digital information, encode and compress the information, and transmit it to the computer through the USB transmission interface and then transmit it to At least one remote server, and the computer has a real-time encoding and decoding module, an audio decoding module and an H.264 decoding module for receiving and decompressing the compressed information obtained by the remote server from the computers of other clients.

An external video conferencing device, comprising: at least one data processing device, the data processing device is provided with a USB transmission interface connected to at least one computer, the data processing device includes: an H.264 encoding module, the H. 264 encoding module is to receive a digital information, encode and compress the information, and transmit it to the computer through the USB transmission interface; an audio encoding module, the audio encoding module is to receive an audio signal, and convert its information to Encoding compression calculation, and transmit to the computer through the USB transmission interface; and a computer, the computer has a real-time encoding and decoding module for transmitting the computer-related information to a remote server and downloading by the client; wherein the H. 264 encoding module adopts a real-time encoding mode. The computer further includes a H.264 decoding module for decoding and decompressing the image compression information sent by the remote server; the computer also includes an audio compression information sent by the remote server for decompression operation Audio decoding module.

In addition, an external video conferencing device includes: at least one data processing device, the data processing device is provided with a USB transmission interface connected to at least one computer, the data processing device includes: an H.264 encoding module, the The H.264 encoding module is used to receive a digital information, encode and compress the information, and transmit it to the computer through the USB transmission interface; an audio encoding module, the audio encoding module receives an audio signal, and transmits it to the computer The information is encoded and compressed, and transmitted to the computer through the USB transmission interface; an H.264 decoding module, the H.264 decoding module is used to receive the image compression information sent by the remote server, and decode it Code decompression; and an audio decoding module, the audio decoding module is used to receive the audio compression information sent by the remote server, and perform decompression operation; and a computer, the computer is equipped with a computer for transmitting the computer-related information A real-time encoding and decoding module to a remote server for the client to download. The H.264 encoding module adopts a real-time encoding mode.

The utility model has the advantages of simple structure and low overall price; using this device, any computer can be upgraded to a complete video conferencing system, effectively reducing costs; and the data on the computer can be directly shared and interacted; The processing device is not only portable, but also applicable to any type of computer.

Description of drawings

Fig. 1 is a schematic diagram of the application of a preferred embodiment of the present invention.

FIG. 2 is a schematic diagram of an image encoding process in a preferred embodiment of the present invention.

FIG. 3 is a schematic diagram of an image decoding process in a preferred embodiment of the present invention.

FIG. 4 is a schematic diagram of an audio processing flow in an embodiment of the present invention.

FIG. 5 is a schematic diagram of a real-time data processing flow in an embodiment of the present invention.

Fig. 6 is a schematic flow chart of another embodiment of the present invention.

Detailed ways

As shown in Figure 1, Figure 2 and Figure 3, it is a schematic diagram of the application of the preferred embodiment of the present invention, a schematic diagram of the image encoding process and a schematic diagram of the image decoding process. It can be clearly seen from the figure that the main system of the present invention is to The data processing device 1 is connected to the computer 2 through the USB transmission interface 12, wherein the data processing device 1 is mainly composed of an H.264 encoding module 10 and an audio encoding module 14, and the H.264 encoding module 10 is used to receive a The analog signal is converted into a digital signal through an image digital-to-analog conversion module (not shown in the figure), and the digital signal is encoded and compressed, and transmitted to the computer 2 through the USB transmission interface 12, and the compressed information is transmitted to the computer 2 through the computer 2. At least one remote server 3, so that other clients can download the coded and compressed information through other computers 2.

In addition, the computer 2 has a real-time encoding and decoding module 20, an audio decoding module 22, and an H.264 decoding module 24. The H.264 decoding module 24 is used to receive compressed information obtained by the remote server 3 from computers 2 of other clients. And perform decompression operation, and the decompressed information is presented through the display screen 4 (LCD) for users to watch.

By using the above-mentioned external connection method, the user can apply the data processing device 1 to the computer 2 that does not support the H.264 encoding module 10 at any time, so as to effectively process the image information, and then send the same packet information to the computer through the remote server 3 at the same time. The video user downloads through the computer, not only the structure of the overall data processing device 1 is simple and the overall device is relatively small, but also the price of manufacturing and sales can be reduced, and the H.264 encoding module 10 can also make the encoded packet its transmission unit smaller.

As shown in Figure 4, it is a schematic diagram of the processing audio flow process of the embodiment of the present invention. It can be clearly seen from the figure that an audio encoding module 14 is included in the data processing device 1, and an audio analog-to-digital conversion module (not shown in the figure) is passed. ) is used to receive the analog signal transmitted by the externally connected audio device, convert the analog signal into a digital signal through the audio analog-to-digital conversion module, and then encode the digital audio information through the audio encoding module 14 through the USB transmission interface 12 In this way, the audio part can also be processed at the same time to achieve the purpose of the meeting. In addition, an audio decoding module 22 is provided in the computer 2, and the audio decoding module 22 is used for receiving and downloading these audio files from other clients through other computers. Encode audio and decode it simultaneously.

As shown in Figure 5, it is a schematic diagram of the real-time data processing flow of the embodiment of the present invention. It can be clearly seen from the figure that when the user wants to present the relevant dynamic or static data in the computer and the remote user synchronously, he needs to pass The real-time codec module 20a of the computer 2a, through the real-time codec module 20a, the relevant dynamic or static data in the computer 2a can be coded and compressed, and sent to other client computers 2a for remote users to obtain the compressed information, and Synchronous data display after decoding to facilitate the meeting.

As shown in Figure 6, it is a schematic flow chart of another embodiment of the present invention, through the H.264 encoding module 10a and the audio encoding module 14a in the data processing device 1a, respectively receive an image or sound digital-to-analog conversion module ( (not shown in the drawing) convert the analog signal into a digital signal, encode and compress the digital signal, transmit it to the computer 2a through the USB transmission interface 12a, and transmit the compressed information to at least one remote server 3a through the computer 2a, so as to It is beneficial for other clients to download the coded and compressed information through other computers 2a.

Furthermore, when the remote server 3a obtains the video and audio compression information of other client computers 2a, it can be transmitted to the audio decoding module 16a and the H.264 decoding module 18a in the data processing device 1a through the USB transmission interface 12a and The compressed information is decompressed, and at this time, the image and audio data are sent back to the computer 2a through the USB transmission interface 12a, and are provided for the user to conduct a meeting smoothly through an external display device or a speaker, and the audio data can also pass through the data processing device The loudspeaker (not shown in the figure) provided by 1a itself plays.

In addition, the computer 2a has a real-time codec module 20a, through which the real-time codec module 20a can encode and compress relevant dynamic or static data in the computer 2a, and send it to other client computers 2a for remote users to obtain the compressed data. Information, and synchronized data display after decoding to facilitate the meeting.

By using the above-mentioned external connection method, the user can apply the data processing device 1a to the computer 2a that does not support the H.264 encoding module 10a at any time to effectively process image information, and then send the same packet information to the computer 2a at the same time through the remote server 3a The video user downloads through the computer, not only the structure of the overall data processing device 1a is simple and the overall device is relatively small, but also the price of manufacturing and sales can be reduced. The H.264 encoding module 10a can also make the encoded packet its transmission unit smaller.

Claims (6)

1. An external video conferencing device, characterized in that it comprises: At least one data processing device, the data processing device is provided with a USB transmission interface connected with at least one computer, and the data processing device includes: An H.264 encoding module, the H.264 encoding module is used to receive a digital information, encode and compress the information, and transmit it to the computer through the USB transmission interface; An audio encoding module, the audio encoding module receives an audio signal, encodes and compresses its information, and transmits it to the computer through the USB transmission interface; and A computer, the computer has a real-time codec module for transmitting the relevant information of the computer to a remote server and downloading by the client. 2. The external video conferencing device according to claim 1, wherein the H.264 encoding module adopts a real-time encoding mode. 3. The external video conferencing device according to claim 1, wherein the computer further comprises an H.264 decoding module for decoding and decompressing the image compression information sent by the remote server. 4. The external video conferencing device according to claim 1, wherein the computer further comprises an audio decoding module for decompressing the compressed audio information sent by the remote server. 5. An external video conferencing device, characterized in that it comprises: At least one data processing device, the data processing device is provided with a USB transmission interface connected with at least one computer, and the data processing device includes: An H.264 encoding module, the H.264 encoding module is used to receive a digital information, encode and compress the information, and transmit it to the computer through the USB transmission interface; An audio encoding module, which receives an audio signal, encodes and compresses the information, and transmits it to the computer through the USB transmission interface; An H.264 decoding module, the H.264 decoding module is used to receive the image compression information sent by the remote server, and decode and decompress it; and An audio decoding module, the audio decoding module is used to receive the audio compression information sent by the remote server, and decompress it; and A computer, the computer has a real-time codec module for transmitting the relevant information of the computer to a remote server and downloading by the client. 6. The external video conferencing device according to claim 5, wherein the H.264 encoding module adopts a real-time encoding mode.

Images