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

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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 2012 8 30 9 2 68 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, 2012. 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 1. 2012 891-2393 1 Shiromizu-cho 1, Kanoya 891 2393 E-mail: wada@nifs-k.ac.jp 890-0065 1 21 35 1 21 35, Korimoto, Kagoshima 890-0065 E-mail: {simozono, masatom}@cc.kagoshima-u.ac.jp 2012 8 30 9 2 68 41 303

67 1) WiMAX LTE NTT 68 2012 2) 2. Ustream 3) 67 1) Ustream 2.1 Ustream Windows Media Server PC 4) PC 2009 7 5)

2.2 Ustream Ustream Ustream Ustream Web Web Ustream 2007 2010 4 Ustream 2012 5 61 Ustream Ustream 157 6) Ustream 2.3 Ustream Ustream 6 Ustream Ustream Ustream Google Ustream Web 2) 3. Ustream (NTT 3,440m 46dB) ADSL (NTT 1,930m 30dB) 3G Ustream

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

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 16:9 640 360 30fps 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 5. 5.1 400m ( 3)

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 1 5.2 4 AV Ustream PC ( 3 ) 4 5 5

6 8 8 6 7 (SONY HDR HC3) USB (BUFFALO PC SDVD/U2G) PC(Core 2 Duo U9400 4GB ) (BUFFALO DWR PG) Ustream 3G 800m 9 7 9 AV

20m Wi-Fi 10 10 5.3 AV AV ( 11) 11 ADSL ADSL IP 700 IP ADSL IP ADSL IP IP ONU ONU IP 900 ONU IP 900 6Mbps 10Base-T IP 900 10Base-T ONU 10Base-T 1 WLA2-G54C WDS 1 3G Ustream 320 180 10fps 96kbps 16kbps 112kbps PC XGA AV 3G

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/ 20 2 6. Ustream Ustream Web 2) 2012 6 8 6.1 Web Web Tumblr 7) 3 9 30 3,706 3 Web ( ) 8 29 121 8 30 ( ) 598 8 31 ( ) 601 9 1 ( ) 486 9 2 () 824 9 3 115 2012 6 1 10 2012 6 9 Ustream Youtube Youtube 2012 12 324 Ustream 92 ( ) 1,804 6.2 Ustream Ustream 4

Ustream 4 Ustream 8 30 1,841 300h 45m 39s 8 31 2,034 547h 45m 16s 9 1 3,647 782h 35m 16s 9 2 3,529 1,216h 49m 59s 11,051 2,847h 56m 10s 12 204 9 2 337 172 26 19 Ustream Web 7. 250 ADSL ( 12) AV () AV 8. Ustream

NTT (6) Ustream Asia Inc., http:// ustream-asia.tv/news 20120521.html (7) Tumblr, https://www.tumblr.com/ 1995 2000 1999 10 2007 10 2009 4 1991 1993 4 1998 2 2000 4 2007 7 1991 1996 4 1997 11 2000 4 2003 4 2006 11 (1) Wiki http:// miasa.info/ (2) 2012, http://lic2012.bbzero.jp/ (3) Ustream, http://www.ustream.tv/ (4),, Vol. 31, pp.1 8, 2004 3 (5),,,,, Vol. 13, pp. 73 84, 2010 3.