Guangzhou DSPPA Audio Co., Ltd.

Classification of Conference Systems

Ⅰ. The conference system divided by computer equipment

1. Video conference system

Video conference is a kind of television system used for conferences, which mainly transmits video and audio signals. It is also possible to use auxiliary equipment such as fax machines and data cameras to transmit conference documents. The video conference terminal is generally installed in a dedicated conference room for large-scale meetings.



2. Computer conference system

The computer conference system is a paperless conference system with a computer as the terminal. The computer can be used to effectively control and manage the meeting. Participants are highly interactive and can share applications and workspaces.

Computer meetings can be divided into asynchronous meetings and synchronous meetings. In an asynchronous conference, the conference users do not need to be active at the same time, and communication conferences can be held through bulletin boards and emails. In a synchronized conference, all users are active at the same time, and they communicate using real-time video, audio, or data messages.

Ⅱ. The conference system divided by the type of information flow

1. Audio graphics conference system

The audio graphics conference system mainly uses voice for multi-party communication, and is supplemented by communication equipment such as fax machines to transmit graphics files. Audio conference system is an early form of conference system.

2. Video conference system

Video conferencing is a system that uses digital video compression technology to use video information streams in meetings. Video conferencing systems are also known as audiovisual conferences. In the meeting, participants can not only hear other people's voices, but also see other people's gestures and facial expressions.





3. Data conference system

The data conference system is a conference that uses a computer system to exchange data information on a broadband communication network. The meeting can be in a synchronous or asynchronous format. The user data application is running on the conference terminal.


4. Multimedia conference system

The information flow in a multimedia conference is real-time audio, video, and other multimedia data. At the same time, as a support tool for collaborative work, the multimedia conference system supports user application sharing, and provides electronic whiteboards and text chat programs for drawing discussions. The concept of multimedia is not only manifested in the form of information flow, but also in the integrated shared space, multi-user interactivity, and consistent control of multimedia information.


5. Virtual meeting system

The virtual meeting system is an advanced form of the meeting system. Different from the video window format adopted by the conventional conference system, the participants in the virtual conference uniformly appear in the virtual conference hall. The multipoint control device (MCU) mixes the received audio and video streams, generates a virtual meeting room in the encoding state, and transmits the mixed meeting stream to each participant. The video stream of each user is calculated from the video and audio data at the corresponding terminal.

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