CN109587434A - 一种基于视频会议***的辅流传输方法 - Google Patents
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 50
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
- H04N7/152—Multipoint control units therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/142—Constructional details of the terminal equipment, e.g. arrangements of the camera and the display
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
- H04L12/1822—Conducting the conference, e.g. admission, detection, selection or grouping of participants, correlating users to one or more conference sessions, prioritising transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
- H04L12/1827—Network arrangements for conference optimisation or adaptation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/403—Arrangements for multi-party communication, e.g. for conferences
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/70—Media network packetisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
- H04M3/567—Multimedia conference systems
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Telephonic Communication Services (AREA)
Abstract
本发明涉及一种基于视频会议***的辅流传输方法,其将辅流功能集成到辅流外设上,电脑通过该辅流外设连接视频会议***的主机,主机与辅流外设之间通过网线连接;当辅流外设通过网线接入视频会议***主机,电脑接入辅流外设时,辅流外设将电脑中的辅流信息上报给其编解码单元,编解码单元依据辅流信息对视频和音频信号进行解码、编码、压缩,并通过以太网发送到主机上;主机接收到辅流外设的辅流信息和码流,进行解压、解码、编码,然后在主机上显示出辅流。本发明辅流外设与主机之间通过网线连接,提高***部署的灵活性,而且网线的成本低,也相应地降低了***的部署成本。
Description
技术领域
本发明涉及视频会议***领域,具体涉及一种基于视频会议***的辅流传输方法。
背景技术
视频会议***通过网络通信技术实现虚拟会议,将地理上分散的用户聚集在一处,通过图像、声音等多种方式交流信息,开展协同工作。视频会议在最大程度上缩短了空间距离,方便了协作成员之间实时、直观的交流。
视频会议***一般包括主机和多个从机,主机与从机之间除了支持最基本的视频会议功能之外,还支持将电脑上的演示文档、存储设备上的音/视频资料等辅流数据的传送。辅流数据的传输通过以下方法实现:在视频会议***的主机上集成辅流输入功能,然后将电脑通过专业的音视频线缆接入主机,即可将电脑中的辅流数据输出至主机上。
在小会议室的使用场景中,这种辅流传输方式非常方便。但在大会议室的使用场景中,就会存在部署问题,一方面,专业的音视频线缆成本昂贵,无法满足大型会议室的需求;另一方面,太长的音视频线缆会有信号损失,导致显示异常甚至无法显示。也就是说,在大会议室的使用场景中,目前的辅流传输方式会增加部署成本以及降低部署的灵活性。
另外,大会议室的使用场景比较复杂,有时候需要多个输入辅流即主机上需要连接多台电脑,这样主机上的接口过多,不仅影响主机的外观美感和结构件强度。
发明内容
鉴于上述问题,本发明的目的在于提供一种基于视频会议***的辅流传输方法,其可提高***部署的灵活性,降低部署成本。
为实现上述目的,本发明采用的技术方案是:
一种基于视频会议***的辅流传输方法,其将辅流功能集成到辅流外设上,电脑通过该辅流外设连接视频会议***的主机,主机与辅流外设之间通过网线连接;
当辅流外设通过网线接入视频会议***主机,电脑接入辅流外设时,辅流外设将电脑中的辅流信息上报给其编解码单元,编解码单元依据辅流信息对视频和音频信号进行解码、编码、压缩,并通过以太网发送到主机上;主机接收到辅流外设的辅流信息和码流,进行解压、解码、编码,然后在主机上显示出辅流。
所述辅流外设上设有HDMI接口和DP接口,其通过HDMI线或DP线连接电脑。
所述辅流外设采用标准的以太网协议。
采用上述方案后,本发明将辅流功能集成到辅流外设上,电脑上的辅流数据通过该辅流外设输出到视频会议***的主机上,其中,辅流外设与主机之间通过网线连接,提高***部署的灵活性,而且网线的成本低,也相应地降低了***的部署成本。而且,因为主机和辅流外设之间通过网线连接,主机可以使用交换机来连接多个辅流外设,以连接多个电脑,支持多个辅流输入,提高视屏会议***在大会议室的适用场景中的使用灵活性,也避免了主机上增设多个接口而影响主机外观即结构强度。
附图说明
图1为本发明的辅流传输连接示意图。
具体实施方式
如图1所示,本发明揭示了一种基于视频会议***的辅流传输方法,其将辅流功能集成到辅流外设上,所述辅流外设上设有HDMI接口和DP接口,其通过HDMI线或DP线连接电脑;所述辅流外设采用标准的以太网协议,其通过网线连接视频会议***的主机。
当辅流外设通过网线接入视频会议***主机时,主机通过发现协议发现辅流外设的接入;当电脑通过HDMI线或DP线接入辅流外设,辅流外设根据发现协议将电脑中的辅流信息,比如分辨率、帧率、扫描方式、采样率、采样大小等信息,上报给辅流外设的编解码单元,编解码单元依据辅流信息对视频和音频信号进行解码、编码、压缩,并通过以太网发送到主机上。主机接收到辅流外设的辅流信息和码流,进行解压、解码、编码,然后在主机上显示出辅流。
本发明的关键在于,本发明将辅流功能集成到辅流外设上,电脑上的辅流数据通过该辅流外设输出到视频会议***的主机上,其中,辅流外设与主机之间通过网线连接,提高***部署的灵活性,而且网线的成本低,也相应地降低了***的部署成本。而且,因为主机和辅流外设之间通过网线连接,主机可以使用交换机来连接多个辅流外设,以连接多个电脑,支持多个辅流输入,提高视屏会议***在大会议室的适用场景中的使用灵活性,也避免了主机上增设多个接口而影响主机外观即结构强度。
此外,辅流外设采用标准以太网协议,可以提高辅流外设的通用性,做到在各种视频设备上即插即用;辅流外设上集成HDMI接口和DP接口,使得辅流外设可以支持HDMI接口和DP接口的电脑,提高辅流外设的适配性。
以上所述,仅是本发明实施例而已,并非对本发明的技术范围作任何限制,故凡是依据本发明的技术实质对以上实施例所作的任何细微修改、等同变化与修饰,均仍属于本发明技术方案的范围内。
Claims (3)
1.一种基于视频会议***的辅流传输方法,其特征在于:所述方法将辅流功能集成到辅流外设上,电脑通过该辅流外设连接视频会议***的主机,主机与辅流外设之间通过网线连接;
当辅流外设通过网线接入视频会议***主机,电脑接入辅流外设时,辅流外设将电脑中的辅流信息上报给其编解码单元,编解码单元依据辅流信息对视频和音频信号进行解码、编码、压缩,并通过以太网发送到主机上;主机接收到辅流外设的辅流信息和码流,进行解压、解码、编码,然后在主机上显示出辅流。
2.根据权利要求1所述的一种基于视频会议***的辅流传输方法,其特征在于:所述辅流外设上设有HDMI接口和DP接口,其通过HDMI线或DP线连接电脑。
3.根据权利要求1所述的一种基于视频会议***的辅流传输方法,其特征在于:所述辅流外设采用标准的以太网协议。
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CN201811407747.3A CN109587434A (zh) | 2018-11-23 | 2018-11-23 | 一种基于视频会议***的辅流传输方法 |
US16/691,287 US10798340B2 (en) | 2018-11-23 | 2019-11-21 | Auxiliary stream transmission method based on video conference system |
EP19211075.7A EP3657779A1 (en) | 2018-11-23 | 2019-11-22 | Auxiliary stream transmission method based on video conference system |
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Cited By (1)
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US10798340B2 (en) | 2020-10-06 |
EP3657779A1 (en) | 2020-05-27 |
US20200169696A1 (en) | 2020-05-28 |
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