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Published byMarvin Patrick Modified over 9 years ago
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Streaming Media At UMBC
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What is Streaming? True streaming vs. Playback of downloaded filesTrue streaming A steady flow of data to the client -Buffered data -Bitrate of the stream must exceed the rate at which it is played out.
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Streaming Media in the Corporate World 25% large companies currently using streaming -Advertising, branding, corporate communications and training Use doubled in 18 month period 2000- 2001 (eBiz Oct. 2001)
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The Bandwidth Bottleneck Broadband vs Narrowband -Broadband in 10% of homes Reduce bandwidth by -Reducing frame rate -Reducing resolution -Compression (codecs)
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Streaming Media Architectures Real Networks -25.9M Windows Media -21.5M QuickTime -7.3M Jupiter Media Metrix
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Codecs for the Web Internet (Narrowband) -Real SureStream -Sorenson (Quicktime) Intranet (Broadband) -MPEG 1, 2, 4
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Desktop Video Acquire media Capture (Digitize) Edit and Compress Deliver -Stream -DVD/CD-ROM -Tape
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Editing and Compression Digital editing -Adobe Premiere -FinalCut Pro -iMovie Compression -Cleaner -QuickTime, Real, WindowsMedia
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Delivering Content On-demand and Live HTTP Streaming QuickTime Server Real Server (Helix) Windows Media
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Streaming at UMBC Internet -Real -Quicktime Intranet -IPTV - MPEG
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IP/TV Player Available on the UMBC Internet CD Mac TV Content also available on UMBC Streaming Media siteUMBC Streaming Media
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Streaming at UMBC Mapping the Patapsco UMBC Magazine Streaming Umbrella Group UMBC Music “Listening Room” ResNET The Excellent Internet Adventure
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Streaming at UMBC FINWeb Tutorials Art History Lectures FlashCom Server
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Streaming at UMBC art@radio Streaming Umbrella Group
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Future Directions Uniform Serving? -Helix -Mpeg4 -Simplified content creation -Broadband Faster downloads decrease need for true streaming while increasing streaming audience
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Want to Know More?
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Contact shewbrid@umbc.edu www.umbc.edu/iptv www.umbc.edu/studio
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Accessibility (6) Support Universal Accessibility to Streaming Media: Effective design of streaming media content will need to consider and address the provision of closed-captioning (for persons with hearing impairments), descriptive audio tracks (for persons with blindness) and other Web accessibility components. In addition to aiding persons with hearing impairments, closed captioning also has the potential to provide improved indexing and searching of content
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Capturing Media Capture Cards FireWire (IEEE-1394) Analog/Digital Converters
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