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Telepresence for the Teleworkplace: Living-in versus visiting Cyberspace… Making Telepresence a Reality Gordon Bell (firstname.lastname@example.org) Bay Area Research Center Microsoft Research http://www.research.microsoft.com/barc/gbell
42% of US Co’s; 22% have policies (screening, worker expectations, liability, IP protection, etc.
Are telecommuters more productive?
16% don’t know
Are telecommuters more accessible?
7% don’t know
Living in Cyberspace: the environment for telepresence / telework
SOHO (small office, home office) network computing environment NT Server for: comm/network, POTS/IP gateway, file, print, compute IP Dial tone (Internet, phone, videophone) >1.5 Mbps Phone POTS (legacy services) *NC, NetPC, Xterm, etc. ... LAN PC NC* PC ... Phone Phone
The Space of Telepresence for work email Formal presentations sans video ... Voice & Videomail Video lectures & courses ICQ, Internet phone & phone conf. RealAudio & simple graphics Workspace for remote program control Whiteboard (groups) ... Videophone Remote Rover (Robot Videophone) person-computer 1:1 personal communication 2 site-site conferencing; n site conferencing 1:p broadcasts computer management distributed groups with >2, 10, <100, view (troll) hallways with “informal” interaction 1: 1 videophone calls for (problem solving, authoring) interviews classes formal meetings (lectures, conferences, stockholder meetings, town halls, etc..) Mechanisms (how) Synchronous Asynchronous Group Interaction (Who) Type of Work (What) Profession
1-6 videophone calls for (design, problem solving, authoring)
hold staff meetings with 1 or more members distributed
formal meetings (lectures, conferences, stockholder meetings, town halls, etc..)
Telepresence Mechanisms ( for Work) Synchronous Internet phone & phone conferencing Internet Videophone RealAudio & Overhead graphics Shared applications Whiteboards CU SeeMe on POTS… IP Videophone Mbone Video conferencing Room Video conferencing Remote Rover (Robot Videophone) Asynchronous voice mail…STT email ... TTS Home pages replace bulletin boards, file transport, and document distribution Schedule & “Notes” Voice and Video “email” Telepresentations (meetings, presentations, & courses)
Voice and Visual Alternatives (in order of increasing B/W)
TTS (synthetic or speaker driven)
4 Kb-64 Kb codec of real voice
Stereo of real voice
Stereo with sound source identification
Projection into arbitrary virtual world environment
NetMeeting: audio, 2 way video, chat, whiteboard, program sharing
Placeware for large scale meetings, presentations, and collaborations
Latitude MeetingPlace phone & data conference
Active Touch web-based phone & data conference
Active Touch Live Collaboration Architecture Data Collaboration Server Data Collaboration Server Data Collaboration Server CTI Server CTI Server Collaboration Clustering Server
Active Touch Data Collaboration Services Web Server Multipoint Comm. Service Chat Presentation Doc Review Web Tour Interactive Forms Application Viewing Application Sharing Launch NetMeeting Desktop Sharing Conf. Control TCP/IP HTTP To CTI Servers Data Collaboration Server
Active Touch Administration and Enterprise Integration Directory Service Module Billing & Accounting Database Database Active Directory Service (LDAP) Object Storage Enterprise Data Repository Security Module Archive Module Public Key Infrastructure Database Third Party Repository Admin and EI
Storing all we’ve read, heard, & seen Human data-types /hr /day (/4yr) /lifetime read text, few pictures 200 K 2 -10 M/G 60-300 G speech text @120wpm 43 K 0.5 M/G 15 G speech @1KBps 3.6 M 40 M/G 1.2 T stills w/voice @100KB 200 K 2 M/G 60 G video-like 50Kb/s POTS 22 M .25 G/T 25 T video 200Kb/s VHS-lite 90 M 1 G/T 100 T video 4.3Mb/s HDTV/DVD 1.8 G 20 G/T 1 P
Storage and data-rate requirements for common office data-types Documents image compressed #/GB page or fax 100 K 4K 10K;250K business card 5 K 500 200K;2M snapshot 3 M 100 K 10,000 350 page book 25 M 1-2 M 40;750 Human data-types /hr /day /lifetime read text, few pictures 200 K 2 -10 M 60-300 G speech text @120wpm 43 K 0.5 M 15 G speech @1KBps 3.6 M 40 M 1.2 T Video comp. 50KbPOTS 22 M .25 G 25 T video comp. 200Kb VHS 90 M 1 G 100 T video comp. 4.3Mb DVD 1.8 G 20 G 1 P