multimedia workshop
DESCRIPTION
TRANSCRIPT
Multimedia Workshop
Video Streaming & Video Conferencing
Agenda• Video Conferencing Concepts• H323 Elements• HEAnet H323 Services• Video Streaming Concepts• Windows Media• Streaming Network• Multicast Streaming• Upcoming Video Services Projects
Video Conferencing
• Audio/Video/Data Interaction between remote sites.
Uses of Videoconferencing
• Meetings• Conferences (Remote presentation)• Distance Learning• Music Classes• Lifelong learning• Employee Orientation• Training• Interviews
Video Conferencing• H323• SIP• Netmeeting• Conference XP• Skype• VRVS / Access Grid
Types of Video conferencing terminals
H323 Backend• Gatekeeper
– All endpoints register to this– All services from MCU and Gateway Register here– Calls are routed between endpoints and services
• Gateway– Primary Rate BRI (30 channels)– +353 1 4490889
• Multipoint Controller Unit– Up to 70 endpoints (bandwidth dependant– To be upgraded soon
HEAnet Conferencing (Centralized) Services
H.323GATEWAY
H.323Gatekeeper
H.323MCU
HEAnet PoP
H.323 to StreamingGATEWAY
IP Network
H.323 ClientH.323 Client
IP Video Conference Call
ISDN Public NetworkPOTS / GSM
1 2 3
4 5 67 8 9
* 8 #
1 2 3
4 5 67 8 9
* 8 #
1 2 3
4 5 67 8 9
* 8 #H.320 Client
IP to ISDN Video
Confernence Call
• Live Streaming• Video On-Demand
Video Streaming
Uses of Video Streaming
• Special Events• Conferences (Remote Attendance)• Distance Lecturing• Remote Monitoring• Academic Content Distribution• Student Produced Content Distribution
Video Streaming
• Windows Media.• Real.• QuickTime• MPEG 2/4.
HEAnet Streaming Services
IP Multicast
• Less bandwidth required• Server load decreased• Networking load decreased• Does require network to be multicast aware
Unicast Multicast
IP Multicast• Multicast can be used for both video conferencing and
video streaming• VLC, Windows media & Real player all support IP
multicast• Multicast is particularly useful for high bandwidth
streams which would saturate a link using unicast• HEAnet planning to provide future streaming events &
terrestrial streaming via both multicast and unicast• BBC streams currently available via multicast
IP Multicast
Upgraded and future services
• Streaming servers upgraded• MP4 and QuickTime streaming• Streaming of terrestrial television and radio
stations
Automating Video Streaming
• Web interface• Uploading, management and meta-tagging of
content• Creation of live publishing points
Questions?
• If you wish to contact us:– Email : [email protected]– Phone: 01 6609040– Video Conference: 0035301101006– Video Conference: 193.1.31.215