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| Nov 8, 2009 |
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Hardware >
Communications Hardware >
Voice Communications Hardware >
Consumer Telephony Equipment >
Telephones >
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ALSO CALLED: Videophones, Internet Videophones, and Video Phones
DEFINITION: Video telephony is full-duplex, real-time audio-visual communication between or among end users. The idea of the video telephone, also called the videophone, is about as old as the telephone itself.The primary challenge facing developers of the video telephone is the fact that full-motion, high-resolution video data requires far more bandwidth than audio data. This is true whether the signals are analog
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Definition continues below.
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Video Telephones Reports
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2 Matches
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Personal Telepresence: The Next Generation of Video Communication
sponsored by Vidyo, Inc.
WHITE PAPER:
This whitepaper presents a brief history of the evolution of video conferencing and introduces a new solution for video conferencing that provides high quality visual communication with low latency, point and click simplicity on portable personal devices, and low cost access that requires only a general purpose IP network. Read on to learn more.
Posted: 02 Nov 2009 | Published: 02 Nov 2009
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AT&T's Video in the Enterprise Webcast
sponsored by AT&T Corp
PRESENTATION:
Videoconferencing, training, surveillance, and executive communications are leading use cases for enterprise video. In this webcast, IDC Analyst Melissa Webster discusses the "operationalization" of video in organizations and AT&T's Ethan Fox explains how to manage its distribution across the corporate network.
Posted: 19 Oct 2009 | Published: 19 Oct 2009
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VIDEO TELEPHONES DEFINITION (continued): … or digital. The bandwidth of a video signal can be minimized by using the lowest image resolution that will give acceptable results, by settling for grayscale rather than color imagery, and by transmitting non-moving images at intervals of several seconds rather than a continuous, full-motion image. A video signal of this type, which is a form of slow-scan television (SSTV), can be transmitted and received over ordinary copper telephone lines.Broadband Internet solutions such as DSL (Digital Subscriber Line), cable, and land-based wireless make it possible to transmit and receive video data at … Video Telephones definition sponsored by SearchUnifiedCommunications.com, powered by WhatIs.com an online computer dictionary
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