Videotelephony

An upscale Teliris VirtuaLive telepresence system in use (2007).

A modern Avaya Nortel 1535 IP model broadband videophone (2008).

An older dual-display Polycom videoconferencing system (2008).

Videotelephony comprises the technologies for the reception and transmission of audio-video signals by users at different locations, for communication between people in real-time.

At the dawn of the technology, videotelephony also included image phones which would exchange still images between units every few seconds over conventional POTS-type telephone lines, essentially the same as slow scan TV systems.

单词	Videolink
释义	Videolink 原声例句 PBS英语讯息 He spoke via videolink at a Pentagon briefing. 在五角大楼介绍会，他通过视频连接进行讲述。 PBS英语讯息 But he said he will accept the Electoral College's decision. He spoke after addressing U.S. troops via videolink. 但他说他将接受选举团的决定。他是在通过视频连线向美军发表讲话后发表上述讲话的。英语百科 Videotelephony Videotelephony comprises the technologies for the reception and transmission of audio-video signals by users at different locations, for communication between people in real-time. At the dawn of the technology, videotelephony also included image phones which would exchange still images between units every few seconds over conventional POTS-type telephone lines, essentially the same as slow scan TV systems.
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Videolink

Videotelephony