Streaming Media At UMBC. What is Streaming? True streaming vs. Playback of downloaded filesTrue streaming A steady flow of data to the client -Buffered.

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Presentation transcript:

Streaming Media At UMBC

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.

Streaming Media in the Corporate World 25% large companies currently using streaming -Advertising, branding, corporate communications and training Use doubled in 18 month period (eBiz Oct. 2001)

The Bandwidth Bottleneck Broadband vs Narrowband -Broadband in 10% of homes Reduce bandwidth by -Reducing frame rate -Reducing resolution -Compression (codecs)

Streaming Media Architectures Real Networks -25.9M Windows Media -21.5M QuickTime -7.3M Jupiter Media Metrix

Codecs for the Web Internet (Narrowband) -Real SureStream -Sorenson (Quicktime) Intranet (Broadband) -MPEG 1, 2, 4

Desktop Video Acquire media Capture (Digitize) Edit and Compress Deliver -Stream -DVD/CD-ROM -Tape

Editing and Compression Digital editing -Adobe Premiere -FinalCut Pro -iMovie Compression -Cleaner -QuickTime, Real, WindowsMedia

Delivering Content On-demand and Live HTTP Streaming QuickTime Server Real Server (Helix) Windows Media

Streaming at UMBC Internet -Real -Quicktime Intranet -IPTV - MPEG

IP/TV Player Available on the UMBC Internet CD Mac TV Content also available on UMBC Streaming Media siteUMBC Streaming Media

Streaming at UMBC Mapping the Patapsco UMBC Magazine Streaming Umbrella Group UMBC Music “Listening Room” ResNET The Excellent Internet Adventure

Streaming at UMBC FINWeb Tutorials Art History Lectures FlashCom Server

Streaming at UMBC Streaming Umbrella Group

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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