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Reaching Out. Moving 4:2:2 Beyond The Facility. Connecting Two Worlds. Video World ITU-R 601 SMPTE 259M, 125M Fibre Channel SMPTE 170M AES/EBU Machine Control . Telco World DS-3 OC-3 ATM SONET. Two Worlds of Standards. Telco Standards. Video Standards. ?.
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Reaching Out Moving 4:2:2 Beyond The Facility
Connecting Two Worlds Video World • ITU-R 601 • SMPTE 259M, 125M • Fibre Channel • SMPTE 170M • AES/EBU • Machine Control Telco World • DS-3 • OC-3 • ATM • SONET
Two Worlds of Standards Telco Standards Video Standards ? 270 Mbps Composite MPEG 1.5 Mbps T-1 45 Mbps DS-3 155 Mbps OC-3
Network Solutions Dedicated Video Service OverlayNetworkfor Video Telco Network Video Data Telephony
A Standards Based Approach Maintains the Strengths of Both Sides Standard Interface Video Telco Network And Takes Nobody ‘Hostage’
Current Standards For Interface ANSI T1.802.01-1996 • Component Digital to DS-3 Interface • Proposed Extension to OC-3 Rate ITU-T H.320 • Narrowband - up to T-1 rates • Video conferencing
Video Is A Unique Service • Can’t be treated merely as ‘data.’ • Timing problems • Data loss problems • Timeliness of Video • Must be there when expected • Must be complete • Can’t be ‘re-sent’ • Can’t be treated merely as ‘data.’ • Timing problems • Data loss problems • Timeliness of Video • Must be there when expected • Must be complete • Can’t be ‘re-sent’
Challenges and Opportunities A Range of Video Services Feature Mastering 270 Mbps Video Editing/Approvals 45 Mbps Contribution/Broadcasting 45 Mbps Distribution/Broadcasting 45 Mbps and less