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Exercise 2. Find these words and word expressions in the following text. Translate them into Russian. You can use them while retelling the text.




videoconferencing,videoteleconference, a set of telecommunicationtechnologies, communicate by simultaneous two-way video and audio transmissions, 'visual collaboration', groupware, videophone calls, serve a conference or multiple locations rather than individuals, relatively low cost, high capacity broadband telecommunication services, powerful computing processors and video compression techniques, business, education, medicine and media, long distance communications technologies, phone and Internet, reductions in carbon emissions, reduce global warming, the core technology, digital compression of audio and video streams in real time, the hardware or software, compression, a codec (coder/decoder),video input,video camera or webcam, video output,computer monitor, television or projector, audio input,microphones, CD/DVD player, cassette player, source of PreAmp audio outlet, audio output,loudspeakers, display device or telephone, data transfer, analog or digital telephone network, LAN or Internet, computer, a data processing unit, compressing and decompressing, initiates and maintains the data linkage via the network, videoconferencing systems, dedicated systems, packaged into a single piece of equipment, a console with a high quality remote controlled video camera, controlled at a distance to pan left and right, tilt up and down, and zoom,PTZ cameras, electrical interfaces, the control computer, and the software or hardware-based codec, omnidirectional microphones, console, a TV monitor with loudspeakers and/or a video projector, dedicated videoconferencing devices, group videoconferencing, non-portable, large, more expensive devices, single users, fixed cameras, microphones and loudspeakers integrated into the console, desktop systems, add-ons (hardware boards) to normal PCs, videoconferencing devices, a range of different cameras and microphones, the board, transmission interfaces,H.323 standard, dispersed PCs,e-meetings, videoconferencing modes, several common operating modes, Voice-Activated Switch (VAS), Continuous Presence, VAS mode, the MCU switches, endpoint,the levels of ones voice, Continuous Presence mode, display multiple participants at the same time, the streams from the different endpoints, a single video image, layouts,echo cancellation,professional videoconferencing systems,Acoustic Echo Cancellation (AEC), reflected source wave interference with new wave created by source, an algorithm, to detect sounds or utterances, reenter the audio input of the videoconferencing codec, audio output of the same system, time delay, the remote party, voice coming back,significantly delayed, strong reverberation, voice channel useless, howling created by feedback, a processor-intensive task, a narrow range of sound delays, Videophone calls,to serve individuals, not groups, increasingly blurred, technology improvements such as increased bandwidth and sophisticated software clients multiple parties on a call, point-to-point calls between two units, video link, Webcams, relatively low cost devices, live video and audio streams via personal computers, many software clients for both video calls and videoconferencing, a videoconference system, via live, simultaneous two-way video and audio transmissions, a multipoint control unit,a centralized distribution and call management system, a similar non-centralized multipoint capability embedded in each videoconferencing unit,circumvent traditional definitions,allow multiple party videoconferencing via web-based applications,a telepresence system, a high-end videoconferencing system and service,enterprise-level corporate offices, telepresence conference rooms, state-of-the art room designs, video cameras, displays, sound-systems and processors, high-to-very-high capacity bandwidth transmissions, calling or conferencing on a one-on-one, one-to-many or many-to-many basis for personal, business, educational, deaf Video Relay Service and tele-medical, diagnostic and rehabilitative use or services, teachers and psychologists conducting online sessions, personal videocalls to inmates incarcerated in penitentiaries, and videoconferencing to resolve airline engineering issues at maintenance facilities, an on-going basis, synchronous conferencing,computer-mediated communication, collaboration and learning, to describe technologies,online chat,audio/video conferencing or instant messaging systems, a text-basedmulti-user chat function, the conferencing as real-time, e-mail, online chat, the Internet, a real-time transmission of text messages from sender to receiver, chat messages, distinguishes chatting from other text-based online communication forms such as Internet forums and email,point-to-point communications,multicast communications, one sender to many receivers, voice and video chat, web conferencing service, online chat,web-based applications, directly addressed, but anonymous between users in a multi-user environment, specific online service, a service, hosted on a web server controlled by the vendor

 

Exercise 3. What do you know about these notions?

 





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