Telepresence by G R Walker, P J Sheppard (auth.), P. J. Sheppard, G. R.

By G R Walker, P J Sheppard (auth.), P. J. Sheppard, G. R. Walker (eds.)

Telepresence is allowing human interplay at a distance, making a experience of being current at a distant situation. within the subsequent millennium we're guaranteed to be more and more `telepresent' either at paintings and at play, with an increasing marketplace for telepresence prone. As we circulate from a actual to a knowledge financial system, call for will develop for prone which shipping bits now not atoms and which help the output of the human brain. additionally, know-how keeps to enhance at an unheard of price, and it can be prompt that we're achieving key breakpoints in shopper processing strength and worldwide community interconnectivity.
In perform, telepresence platforms utilise a really wide selection of applied sciences. In compiling this booklet the editors have integrated chapters from throughout those applied sciences which they've got widely categorized as audio, information, video and digital environments. Telepresence supplies a flavour of the fascinating advancements in telepresence and teleconferencing applied sciences being researched and constructed inside of BT.
simply because the cell started altering the realm a century in the past, so will telepresence someday modify the way in which we are living, imagine, do enterprise and react to the realm round us. the potential of those applied sciences is amazing, the results mind-boggling.
development on a powerful base of verified audiovisual conferencing and interactive multimedia providers, BT and MCI are best the best way in defining the industrial functions of telepresence that might form the way forward for worldwide telecommunication.
Telepresence is a picture of those groundbreaking actions and conveys the complexity, uncertainty and exuberance interested in this demanding and fascinating paintings. it's crucial studying for all researchers, engineers and executives operating during this stimulating field.

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All sites are operated over the IBTN, a Timeplex Link network, and use 384-kbitls channels connected locally by direct-cabled RS449 interface, or a 384-kbitls KiloStream circuit. Some sites are equipped with ISDN6 dialling capability to allow direct dialling to sites outside BT. ON THE HORIZON 23 The network is centrally managed out of Pontefract and there are five MCUs within the network, allowing multi site conferences. All conferences are pre-booked via a telephone reservation desk and the IBTN network is configured dynamically to set up the relevant 384-kbitls connections.

2 Continuous presence It is now possible for MCUs to process the video from up to four locations and to distribute to all others, providing the ability to hold a continuous presence conference with up to four locations. This significantly improves the quality of a mUltipoint videoconference; the screen is not now continually changing in front of you and the visual cues from others in the conference are not now lost. 4 Conferencing services Audioconferencing is the backbone of any conferencing service provider as depicted in Fig.

The required cues can be provided by associating an audio landscape with the world; the location of other talkers and objects of interest in P. J. Sheppard et al. ), Telepresence © Kluwer Academic Publishers, Boston 1999 INTRODUCTION 41 close proximity can then be readily identified by the direction and character of their audio signal (compare this with the poor usability of an auxiliary visual display). 2 3-D spatial sound The work reported here concerns high-quality audio systems capable of reproducing a virtual audio source for either a 2-D (full 360 0 plane around the user), or 3-D (any direction in three dimensions) space.

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