Internet Live Broadcasting of the Cycling Championships, Tomohito WADA, Koichi SHIMOZONO, and Masato MASUYA Information Technology Center for Sports S

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1 Internet Live Broadcasting of the Cycling Championships, Tomohito WADA, Koichi SHIMOZONO, and Masato MASUYA Information Technology Center for Sports Sciences, National Institute of Fitness and Sports in Kanoya Computing and Communications Center, Kagoshima University Ustream We broadcasted over the Internet both track cycling and road racing of the sixty-eighth All Japan Intercollegiate Cycling Championships. It was held on Minamioosumi town and Kinko town of Kagoshima at August 30 September 2, Since there are no broadband access service on the venue of the event, we temporary deployed the networks using the leased lines for live streaming and broadband access to the Internet. Keywords : Cycle racing, broadband Internet, Ustream, live streaming Shiromizu-cho 1, Kanoya wada@nifs-k.ac.jp , Korimoto, Kagoshima {simozono, masatom}@cc.kagoshima-u.ac.jp

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4 1 ( 1) NTT DVD-Video 6Mbps ONU Ustream Ustream ONU ONU ( 1 ) 4. AV 2 AV (SONY AWS-G500) Ustream (SONY HDR-FX7 HDR-FX1) 16:9 16:9 AV HD RGB HD-SDI BNC HD-SDI BNC Blackmagic Design Mini Converter HDMI to SDI AV ( IP 900 IP 700) LAN HDMI, IP 900 H.264/MPEG-4 AVC 2 4Mbps ADSL IP 700 SD MPEG4/448kbps AV HD SDI, HD, RGB IP 900 HD SDI XC 1 so HD AV IP 700 Roland VC 300HD HD AV PC

5 2 PC PowerPoint RGB AV PA AV 4.1 Ustream AV Ustream PC (Macbook Pro) Flash Media Encoder Ustream 15 H.264 VP6 2 Windows Ustream Producer Ustream Producer 16: fps 800kbps 96kbps 896kbps PC CPU Core i7 3770K 16GB OS Windows 7 Blackmagic Design Intensity Pro Intensity Pro HDMI AV HD SDI Blackmagic Design Mini Converter SDI to HDMI HDMI PC m ( 3)

6 1 AV HDR FX1 HD (RGB 20m) HDR FX7 (1) HD (RGB 20m) HDR FX7 (2) HDMI SDI (BNC ) HDR FX7 HDMI (Wi-Fi) (HD SDI ) 3 AV AV LAN (BUFFALO WLA2 G54C) WDS LAN ( IP 900) LAN AV AV Ustream PC ( 3 ) 4 5 5

7 (SONY HDR HC3) USB (BUFFALO PC SDVD/U2G) PC(Core 2 Duo U9400 4GB ) (BUFFALO DWR PG) Ustream 3G 800m AV

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9 2 ( ) AV ( ) HDR FX1 IP 700(E) BB ADSL ONU IP 700(D) HD HDR FX7 HDMI IP 900(E) ONU ONU IP 900(D) HD HDR FX7 HDMI IP 900(E) ONU ONU IP 900(D) HD SDI HDMI IP 900(E) AP HDR FX7 AP IP 900(E) HD SDI Wi-Fi PC 3G(FOMA) HDR HC3 ONU PC RGB/ Ustream Ustream Web 2) Web Web Tumblr 7) ,706 3 Web ( ) ( ) ( ) ( ) () Ustream Youtube Youtube Ustream 92 ( ) 1, Ustream Ustream 4

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大学表紙.PS

大学表紙.PS Wi-Fi LAN A Campus-wide Wireless LAN System in Kagoshima University Shared with Telecommunication Carriers Masato MASUYA, Koichi SHIMOZONO, Itaru TAKAHASHI, Syunsei AIBA, Tomonori KAWAHARA, Tamotsu FURUYA,