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© Copyright AARNet Pty Ltd APAN Taipei AARNet HD Video update Andrew Howard

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Presentation on theme: "© Copyright AARNet Pty Ltd APAN Taipei AARNet HD Video update Andrew Howard"— Presentation transcript:

1 © Copyright AARNet Pty Ltd APAN Taipei AARNet HD Video update Andrew Howard andrew.howard@aarnetandrew.howard@aarnet.edu.au

2 © Copyright AARNet Pty Ltd Events SuperComputing 2004 NAB2005 ResearchChannel Annual Meeting – Sep 17-19 2005 Philadeliphia iGrid/APAC – iGrid Sep 26-29 San Diego USA – APAC Sep 26-30 Gold Coast Australia 5 way uncompressed HD

3 © Copyright AARNet Pty Ltd Uncompressed HD HD-SDI – Sony HDV camera AJA Xena Cards (medium cost) – multiple frame delay – good driver support BlackMagic Designs (low cost) – poor open source driver support Two software varients commonly used – Uni of Washington/ResearchChannel – ISI Ultragrid Expensive and bandwidth intensive – 1.5Gbs streams

4 © Copyright AARNet Pty Ltd Compressed HD HD-SDI – Hardware compress using Evertz equipment 1.5Gb to 270Mb – Decompress to HD-SDI for display HDV 25Mbs long GOP MPEG2 stream – WindowsXP/SP2 and Videolan http://www.videolan.org – Sony directions in long GOP MPEG2

5 © Copyright AARNet Pty Ltd HD content Capture Editing – Final Cut Pro supports HDV native editing Windows Media HD Quicktime HD 50i or 60i ?

6 © Copyright AARNet Pty Ltd NAB 2005 report http://www.nab.org/ 102,000 delegates Massive tradeshow filling the Las Vegas convention centre Interesting technology – FOR.A virtual studio http://www.for-a.com/ – Sony 1080i HDV – Panasonic 740p HDV – MPEG4 HD set top boxes – Apple

7 © Copyright AARNet Pty Ltd Challenges Latency Cost reduction Content capture and storage formats Interoperability between implementations More open code bases

8 © Copyright AARNet Pty Ltd Resources Mailing list – http://hdtv.nm.gist.ac.kr/ Thank you


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