ResearchChannel: Delivering Realism

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ResearchChannel Delivering Realism

• Tutorial Video on the Net

M. Wellings L. Ross www.researchchannel.com
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What is Streaming?

• Continuous, smooth delivery of media

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Software System Suites

• Market Leaders
• Windows Media
• QuickTime
• Real Media
• Others

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Compression Types

• MPEG-1
• MPEG-2
• MPEG-4
• Real Media
• Indeo

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Compression Types

• M-JPEG (Motion JPEG)
• CinePak
• Sorenson
• iHDTV
• DV

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Decision Criteria

• The Intended Audience
• Hardware
• Network
• Bandwidth available
• Content
• Cost
• Results expected

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Live Webcast Decisions

• Encode on-site
• Encode off-site
• Satellite
• Microwave
• Web
• TV Transmitter

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Video On Demand

• Garbage in, Garbage out

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STEP ONE CAPTURE STATION

• Build
• Buy

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STEP TWO HOSTING YOUR DATA

• Disk capacity
• Number of concurrent streams

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File Size vs Streaming Bandwidth
Stream 1 Min 10 Min 1 Hour
56Kbps 420KB 4.2MB 25.2MB
100Kbps 750KB 7.5MB 45MB
300Kbps 2.25MB 22.5MB 135MB
1.5Mbps 11.25MB 112.5MB 675MB
6Mbps 45MB 450MB 2.7GB
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STEP THREE Design the Web Site

• Get out your checkbook

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STEP FOUR Web Statistics

• Many tools
• WebTrends
• Lariat

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LOW-END CAPTURE
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MPEG-2 VOD
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MPEG-4 VOD
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VOD The Process/ The Pitfalls

• Lab experience low costs vs high quality
• Media management
• Handling awkward multigigabit files
• Massive disk space requirement
• Low cost for large disk capacity