CN213126228U

CN213126228U - Regional distributed video conference device

Info

Publication number: CN213126228U
Application number: CN202022228840.7U
Authority: CN
Inventors: 曹臻; 潘卫明; 邱昊
Original assignee: Shanghai Chenyu Information Technology Co ltd
Current assignee: Shanghai Chenyu Information Technology Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-05-04
Anticipated expiration: 2030-10-09

Abstract

The utility model belongs to the technical field of the video system, specifically be a regional distributed video conferencing device. The device comprises a camera, a microphone, a distributed conference encoder, a distributed conference decoder, a display device, an audio output device and a conference management device; the video camera is connected with the distributed conference encoder through a video physical interface, and the microphone is connected with the distributed conference encoder through an audio physical interface; the distributed conference encoder, the distributed conference decoder and the conference management equipment are respectively connected with the regional network; the display device is connected with the distributed conference decoder through a video physical interface, and the audio output device is connected with the distributed conference decoder through an audio physical interface. Compared with the prior art, the utility model provides a regional distributing type video conferencing device suitable for under regional video conferencing scene. The device low cost can effectively promote the image quality and the audio quality of meeting video, greatly promotes user and uses experience.

Description

Regional distributed video conference device

Technical Field

The utility model belongs to the technical field of the video system, specifically be a regional distributed video conferencing device.

Background

The video conference system is more and more widely applied along with the development of the internet, has various forms, but the network infrastructure is basically unchanged, and consists of video conference terminals and a conference Multipoint Controller (MCU); the method has a better application scene on the wide area network Internet, and the system bandwidth can be effectively saved through the deep audio/video coding technology such as H264/H265 and the like.

However, with the development of switch technology, network bandwidth in an area is qualitatively leaped, gigabit interconnection is basically realized, and a trunk line even reaches ten-gigabit bandwidth, so that the bandwidth is not the most important system bottleneck, and at this time, when a video conference system is deployed in the area, a traditional video conference terminal and MCU mode is adopted, so that the installation cost is high, the use limitation is large, and the user experience is poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming of traditional video conferencing system, the utility model provides a regional distributing type video conferencing device suitable for under regional video conferencing scene. The device low cost can effectively promote the image quality and the audio quality of meeting video, greatly promotes user and uses experience.

The technical scheme of the utility model specifically introduces as follows.

A regional distributed video conference device comprises a camera, a microphone, a distributed conference encoder, a distributed conference decoder, a display device, an audio output device and a conference management device; the video camera is connected with the distributed conference encoder through a video physical interface, and the microphone is connected with the distributed conference encoder through an audio physical interface; the distributed conference encoder, the distributed conference decoder and the conference management equipment are respectively connected with the regional network; the display device is connected with the distributed conference decoder through a video physical interface, and the audio output device is connected with the distributed conference decoder through an audio physical interface.

The utility model discloses in, still include cell-phone or PC, cell-phone or PC are connected with distributed conference encoder respectively.

The utility model discloses in, video physics interface is selected from one or several in HDMI interface, SDI interface or VGA interface

Seed growing; the audio physical interface is one or more selected from a 3.5mm audio interface, an AES/EBU interface, a phoenix interface or an S/PDIF interface.

The utility model discloses in, display device is selected from one or several kinds in display, TV set or the concatenation display screen.

The utility model discloses in, audio output equipment is selected from one or several kinds in earphone or the audio amplifier.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) compared with the traditional video conference system, the image is clearer, the end-to-end delay of image coding and decoding is shorter, and the real-time performance is better;

(2) expensive MCU equipment is not needed, the configuration complexity is lower, and the cost performance is higher;

(3) the signal access is more flexible, the types are more, the images on the large-scale splicing screen can be seamlessly spliced and overlapped at will, and various display modes of users are met.

Drawings

Fig. 1 is an application scene diagram of the area distributed video conference device of the present invention.

Fig. 2 is a block diagram of a structure of a regional distributed video conference device according to the present invention.

Reference numbers in the figures: 1-camera, 2-microphone, 3-distributed conference encoder, 4-PC, 5-mobile phone, 6-distributed conference decoder, 7-display device, 8-audio output device, 9-conference management device.

Detailed Description

The present invention will be further explained in detail with reference to the drawings and examples.

Example 1

The present embodiment proposes a regional conference scenario, which is composed of conference rooms on the N (N > = 2) sides of a region, as shown in fig. 1; the interior of each conference room is shown in fig. 2. As shown in fig. 2, a regional distributed video conference system apparatus includes a camera 1, a microphone 2, a distributed conference encoder 3, a distributed conference decoder 4, a display device 7, an audio output device 8, and a conference management device 9. The regional network adopts an Ethernet network, and all distributed conference encoders 3 and all distributed conference decoders 4 in the N-party conference room are accessed into the regional network; the number of the distributed conference encoder 3 and the distributed conference decoder 4 in each conference room can be increased or decreased freely and flexibly without one-to-one correspondence.

The camera 1 is connected with the distributed conference encoder 3 through a video physical interface, and the microphone 2 is connected with the distributed conference encoder 3 through an audio physical interface; the camera 1 is a conference video source collecting part, and the microphone 2 is a conference audio source collecting part; the video physical interface is selected from one or more of an HDMI interface, an SDI interface or a VGA interface, and the audio physical interface is selected from one or more of a 3.5mm audio interface, an AES/EBU interface, a phoenix interface or an S/PDIF interface. Further preferably, the PC 4 and the mobile phone 5 can also be used as audio and video acquisition sources.

The distributed conference encoder 3, the distributed conference decoder 6 and the conference management equipment 9 are respectively connected with a regional network; the display device 7 is connected to the distributed conference decoder 6 via a video physical interface, and the audio output device 8 is connected to the distributed conference decoder 6 via an audio physical interface. The video physical interface is selected from one or more of an HDMI interface, an SDI interface or a VGA interface, and the audio physical interface is selected from one or more of a 3.5mm audio interface, an AES/EBU interface, a phoenix interface or an S/PDIF interface.

Distributed conference encoder 3 is the utility model discloses the input data processing part of device, it receives the analog audio and video data of camera 1, PC 4 and cell-phone 5, carries out high quality audio and video coding in unison after digitizing it, and the video coding mode is not restricted to VC-2, JPEG2000, JPEG intraframe compression coding or lossless coding, and the audio coding adopts algorithm coding such as AAC, PCM; and sending the conference information to other conference rooms in the area through the area network.

The distributed conference encoder 3 may be implemented by existing chips, such as the da vinci series DSP 643x of TI, RX3288 of rui-core microelectronics, and so on; the video and audio coding and decoding can be realized;

the distributed conference decoder 6 is the core data processing module of the device of the utility model, which receives and decodes the multi-path conference real-time audio and video data stream, and finally, after picture zooming splicing processing and audio mixing processing are respectively carried out, the data is sent to the display device 7 and the audio output device 8; the display device 7 is a device for image display, and may be a stand-alone display, a television, and a tiled display screen. The audio output device 8 is a device for audio playback, and includes headphones, a sound box, and the like.

The distributed conference decoder 6 may be implemented by existing chips, such as the da vinci series DSP 643x of TI, RX3288 of rui-core microelectronics, and so on; the video and audio coding and decoding can be realized;

the conference management apparatus 9 is used for management of a conference, including reservation management before the conference, link mapping allocation of an encoding unit and a decoding unit in the conference, recording management after the conference, and the like. The conference management device 9 is a computer with conference management service software installed therein, and the conference management service software is already mature at present.

It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A regional distributed video conference device is characterized by comprising a camera, a microphone and a distributed conference editing device

The system comprises a coder, a distributed conference decoder, a display device, an audio output device and a conference management device; the video camera is connected with the distributed conference encoder through a video physical interface, and the microphone is connected with the distributed conference encoder through an audio physical interface; the distributed conference encoder, the distributed conference decoder and the conference management equipment are respectively connected with the regional network; the display device is connected with the distributed conference decoder through a video physical interface, and the audio output device is connected with the distributed conference decoder through an audio physical interface.

2. The area distributed video conference apparatus according to claim 1, further comprising a mobile phone or/and a PC

The machine, the mobile phone or/and the PC are/is respectively connected with the distributed conference encoder.

3. The area distributed video conferencing apparatus of claim 1, wherein the video physical interface is selected from the group consisting of

One or more of an HDMI interface, an SDI interface or a VGA interface; the audio physical interface is one or more selected from a 3.5mm audio interface, an AES/EBU interface, a phoenix interface or an S/PDIF interface.

4. The area distributed video conferencing apparatus of claim 1, wherein the display device is selected from a display, a video camera, a,

One or more of a television or a spliced display screen.

5. The area distributed video conferencing apparatus of claim 1, wherein the audio output device is selected from the group consisting of ears

One or more of a set or a sound box.