Transcript DIGITA L VISUA L COMMUNICATIONS Agenda

Agenda
VTEL Company Infos
Videoconferencing Basics
Applications
Live Demo
DIGITAL VISUAL COMMUNICATIONS
VTEL Corporation
25,000 installed
systems
Customers in
61 countries
26 VTEL offices
740 employees
$ 160 Million Sales
DIGITAL VISUAL COMMUNICATIONS
Full Line of Packaged Systems
Personal
Settop
Workgroup Enterprise
Simple User Interfaces
Network Management
Interoperability
DIGITAL VISUAL COMMUNICATIONS
User Interfaces
There is no „The interface for everybody“ !!!!
DIGITAL VISUAL COMMUNICATIONS
Position of VC in the DE segment
Feedback
Interactivity
Interactive
Conferencing
Audio + Video +
Data
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Videoconferencing
Audio + Video
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1-way Video + Chat
Aud. Streaming E-Mail
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1-way Video +
Audio
Letter
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Correspond.
Studies
Letter
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DIGITAL VISUAL COMMUNICATIONS
What do you need to do it ?
• Videoconferencing systems
• Peripherals
• Reliable transport medium
DIGITAL VISUAL COMMUNICATIONS
Videoconferencing System
• Easy to use
• Reliable
• High Quality
• 3 Media: Audio,
Video and Data
• Dual Monitor
• PC based
• LAN, WEB Access
DIGITAL VISUAL COMMUNICATIONS
Peripherals
• Maincamera(s)
• Document Camera
• Electronic Whiteboard
• Everything you use
during normal lessons
DIGITAL VISUAL COMMUNICATIONS
Transport medium
• ISDN (90%)
(connection oriented, reliable)
• IP/LAN/WAN Internet (6%)
(packet oriented, (no) bandwidth
guarantied !!!
• ATM Links (3%)
(ideal but expensive)
DIGITAL VISUAL COMMUNICATIONS
Bandwidth requirement
• ISDN (min. for prof. quality)
• 384 kBit/s (6B channels)
• 30 fps, 7 kHz Audio
• LAN / IP
• 1 Mbit/s Bandwidth guarantied
• 30 fps, 7 kHz Audio
DIGITAL VISUAL COMMUNICATIONS
Distance Education
• Collaboration
– Linking
classrooms
DIGITAL VISUAL COMMUNICATIONS
Distance Learning in Transition
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Bring the World Into the classroom
Internet
Institutional
LAN
CD-ROM
Universities
Student teams
Business
Outside experts
DIGITAL VISUAL COMMUNICATIONS
Access
Advanced
placement
– Dual enrollment
– Diverse learning
groups
–
• Cross-cultural
• Urban-suburban-rural
• Intrastate-international
–
Special populations
DIGITAL VISUAL COMMUNICATIONS
Education and Training of today- New Model
• Bring the World Into the Classroom
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Internet
Organizational
LAN
Universities
Working teams
Business
Outside experts
Satellite System
Audio graphics
DIGITAL VISUAL COMMUNICATIONS
VC and Streaming Video
• Important is the combination
– Linking some classrooms with
traditional VC
– Enable other (unlimited) to be
also in the same lesson as
listener from home office or any
other location
– Enable the students to review
any lesson at a later time.
DIGITAL VISUAL COMMUNICATIONS
VC and Streaming Video Appl.
DIGITAL VISUAL COMMUNICATIONS
Streaming Video User View
DIGITAL VISUAL COMMUNICATIONS
Live Demo from Austin Texas
Austin
Texas
Bern
Switzerland
8677 km
ISDN Link
8 B Channels
512 kBit/s
DIGITAL VISUAL COMMUNICATIONS
Backup Slides
Slides to us if the connection
to Austin does not work
DIGITAL VISUAL COMMUNICATIONS
TVStation Architecture
View From RECOS or
NLT Web-Site URL
Camera
NLT Conference
VPN
Reflector
Capture & Encoding
RECOS
Web-Site
Reflector
ISP
Reflector
View From RECOS or
NLT Web-Site URL
DIGITAL VISUAL COMMUNICATIONS
Small Classroom Model
Touch-to-Talk
Microphones
Teacher
DIGITAL VISUAL COMMUNICATIONS
Classroom Example
Motion Receive
DIGITAL VISUAL COMMUNICATIONS
Training Auditorium
DIGITAL VISUAL COMMUNICATIONS
Before
During
Different Types of Meeting Information
Meeting Notes
Collaboration
Local print
capability
Application sharing,
Internet/Intranet,
SmartBoard
Paper/Slides
Info on Network
SmartView
Automatic import of
Powerpoint slides
into PenPal
Hard Copy
DIGITAL VISUAL COMMUNICATIONS
Electronic
H.320 Based Systems
Add Video Network Management
H.320
MCU
SNMP
MGMT
DIGITAL VISUAL COMMUNICATIONS
Use IP
network to
manage
and
administer
the video
network
SmartVideoNet Manager
Worldwide videoconferencing —
managed remotely
Network
Management
Console
IP
Data Network (LAN)
DIGITAL VISUAL COMMUNICATIONS
H.320 Based Systems
VTEL’s Leadership Capability Today
H.320
MCU
SNMP
MGMT
T1/E1
ISDN
FILE
SERVERS
PRINTERS
Internet
DIGITAL VISUAL COMMUNICATIONS
Evolution from Switched to IP Systems
VTEL’s Dual Mode Systems
Automatic Routing to correct network
Canon
Trinitron
Address Book
Bob
Mary
Bob
Address Book
191.277.391.152 IP
Mary 512-438-1046
DIGITAL VISUAL COMMUNICATIONS
H.323
ISDN H.320
Evolution from Switched to IP Networks
IP Starts on Campus (Local)
• IP network wiring already
installed in building
• Plug video systems into any
LAN outlet--no other setup
• System has IP address so
calls find the system
DIGITAL VISUAL COMMUNICATIONS
H.323 Based Systems
Evolution from Switched to IP Networks
H.323/H.320 Hybrid Network
H.323
MCU
SNMP
Management
T1/E1
ISDN
Gateway
H.320
Gatekeeper
DIGITAL VISUAL COMMUNICATIONS
Video Enabled LANs on Campus
Switched Circuits for WAN
IP Network
IP Network
Switched
Network
IP Network
DIGITAL VISUAL COMMUNICATIONS
End of Phase II -- IP end to end
H.323 Based Systems
(H.323 LAN/WAN Conferencing)
H.323
MCU
Router
Router
H.323
Quality of Service
Protocols Implemented
on All Routers in WAN
DIGITAL VISUAL COMMUNICATIONS
H.323 Based Systems
Phase II--Typical Video Communications Network
H.323
MCU
Router
Router
H.323
SNMP
Management
T1/E1
ISDN
Gateway
Application Server
H.320
Gatekeeper
Printer
Internet
DIGITAL VISUAL COMMUNICATIONS
H.323
DIGITAL VISUAL COMMUNICATIONS