E N D
1. ????????? ???·?????
?8?12?4?
2. ???????????????? ???????: ?????????????? ??????
????????????
?????????????????
???????????
Web, Napster, WinMX
????????????
?????
3. ???????????????(???)??? ????????????????
???????????
4. ???(Quantization) ???????????????????????????????????
?????????????????????????????
5. ?????????? ???????
???????(pixel)?????????
??????(??????)???(granularity)
??????????????
6. ??? ?????????????????
Dot Per Inch
1 inch ????????????????
?????1inch?1??
???????????????????
?) 1200 dpi
7. ???(????) ???????????
230????????????
?1800???? x ?1200???????????
8. ????????? ???RGB?8bit?????????
1????? 24bit = 3Byte
100 x 100 ?????
100 x 100 x 3
30000Byte = 30kByte
1024 x 768 (???????????????)???
1024 x 768 x 3
2359296Byte?2.4MByte
9. ?? ????????????????????
????????????
?????????????????
?????
????
????????????
?????
?????????????????
??????????????????
10. ???????(?????) Run Length
?????????? ? ? x 10
?????
??????????????? ? SFC
?????????????????????
ABCDEFGABCDEFGABCDEFGABCDEFG
ABCDEFG ? \a
\a\a\a\a
11. ??????? gzip ????
?????????????
??????????
gzip filename ???
gzip -d filename ???
12. ???????????????? ????????????
??
???
??????????????????????
???????
???????~????????????
????????~????????????
13. ???????????????????(GIF) GIF(Graphic Interchange Format)
WWW???????????????????
??256?
???????
65536 x 65536
LZW?????
LZW????????????
???????.gif??.GIF?????????
14. GIF????????? ?????.gif???
GIF????????????
????????????????
??????????????????
Cat, less, more ??????????????????
???????????GIF87a??????GIF89a?????????????GIF????
15. ????????????????? ?????????????????
??????????????????????
???????????????????JPEG(Joint Photographic Experts Group)????
16. JPEG JPEG????????????????
??????????????????
LZW?RLE???24bit?????(????)??????????
8bit ??256???????
24bit ??1600????????
?????????????????????????????
??????JPEG????????????
??????????JPEG???
17. JPEG????????? ?????.jpg??.jpeg???
?????????
??????????????
Cat, less, more ??????
?????(7??????)?JFIF?????????JPEG????
18. ??????????????? ?????????????
????xpaint ????????????
GIF?PNG????????????????????????
????????????????
JPEG????????????????
GIF??????8bit color ????????????????
PNG??48 bit color ??????????????????
19. ?? ??????
??????
????????1???30??????
20. WMT/Real?????????
http://games.sohu.com/fightgame/fight3.swf
WMT?Real???????????
???????????????????????????????????????
21. ?????? Moving GIF
???????????????????
Motion JPEG
JPEG ?????????
MPEG
????????????
22. ????? ???????
???????????
????????????
23. ??????? ???????????
????????????????
????????????????
????????????????????????????
???????????????????????
24. ???????????? ?????????
?????????
???????????????????
??????????
?????????
?????
????????????????
25. ????????? ???????????????????
????????????
Motion JPEG
?????JPEG??????????
Moving GIF
?????GIF??????????
26. ??????????????? ??
?????????????????
???????
????????????
??????????????
?????
27. ??????? ????????
??????????????????????
?????
28. ????????? WindowsMedia
RealVideo
DVTS
29. WindowsMedia ASF,WMT,WMV
Advanced Streaming Format
??MPEG-4???
30. RealVideo
?????????????????????????????????????????????
31. DV Transport System ???
32. DV Transport System ???
33. DV Transport System ???
35. DVTS?? ?????????
?????????
JPEG?????????
??????????
?30Mbps?
36. ????DVTS?WMT???????? NetLiferium2001
???????
12?15?~12?16?
??????????
37. ????????
38. ??L3
39. ?? L7
40. ??????! ??????????????????
IPv6???
IPv4??????
?????????WMT
WindowsXP?????IPv6????
http://www.key3media.co.jp/Net-Life/
41. ????????????
42. ???????
43. ?? ?????????????????????????????
??
??
??
????
44. ????????? ???????????
??? ??????
??????? ????
?????? ????
??????????????
???? ??????
???????????
???? ???????
45. network?? ?????????????
45Mbps???(???????) :2?
ISDN
128Kbps * 2(???)
backup 1??
???????????
???????
384Kbps
??????????????????
48. ????????? ?????????????????
??????????????
??????????
VOD
??????????
???????
LIVE??
????????
49. ????????
????????(??:jincam)
??????
????????????
????????????
???????????
IPC???????????????? ?????????(2)
50. ??????(?? ??????)
64k?28k?????????
LIVE ARCHIEVE
??????????
SUMMARY ARCHIEVE
?????????????
WIDE?????????PEAPLE?J-STREAM?REALNETWORKS???????Panasonic Hi-HO?DTI(Dream Drain Internet) ????
51. ??????????
server????????(????)
jincam
???????????(2??)
WWW?????????
???????? ????(2)
52. ????(3) ???????
????5?????????
HTML??????
<alt>
53. ??????? ?????
????? 9?
????? 4?
????? 5?
??
????????????????
54. ??
IBM?????
??????????????
????????
?????????????
HTML???? ???????(2)
55. ???????(3) ???
?????????
?????????????(??????????????)
ThinkPad 4?(backup 1?)
?????????????
???????
?????????????????
??????(???????????)
56. ?? ???????????
???????????
?????????????
????????(?????)
??????????????
????????????
???(?????????)
????????????????
57. ?? ?????
WWW??? 3?5? ~ 3?14??
27? 196835hit
??????????????????????????????????
400?????? 3?8?(???)?4???
LIVE??? ?? 100?????
58. ??(??) NHK????????
???????????????
???????????
?????????????
59. ?? 10??????????
???????????????????
60. ?????????????????????????????
?)?????????????
????
????????????
????IBM???? ?????
61. ?????(2) ??????????????????
????(??)
????????
????????????????????
???????????
?????????????????????
62. ???? http://www.nagano.paralympic.org/
63. a ryuichi sakamoto opera 1999
64. DV/IP in the sakamoto opera LIFE A collaboration of music at Tokyo and dancers at NY and FF
Worlds first application of DV/IP in a commercial event
65. ????????????? 1998????
?????????????????????
1998?12?
???????????????(??????)
1998?12?30?
???????
1999?3?
COMET???????? 1999?6?
??????
1999?7?
??????
1999?8?
????·??
66. ???????????????? ?????(?????)
??: 8/23-25
?????: 8/26-28
????(??????)
??: 9/1-3
??: 9/4-5
????(???)
??: 9/6-8
??: 9/9-12
67. ??3????????(?????)·??????·??????? Internet????????????
??????????(??·??????·???????)
Internet????????????????
?????????(???????????)
??
?? JST (GMT +9)
?????? EDT (GMT -4)
??????? CEST (GMT +2)
68. ??????·??????·???????
69. ?????????????????·??????????? COMET
Digital Video(IEEE1394) ????IP?????
??36Mbps?????40Mbps?????????
?????200ms?????(2sec??????)
REIMAY
MPEG2 ????IP?????
??6Mbps?????7Mbps?????????
?????600ms?????
71. Comet(IEEE 1394 <-> IP)
72. ?????????????????·??????????? VoIP(Voice Over IP)
?????????
???????·?????? ?2??
NOC·????? ?4??
????·???????(INS1500??)
Web?eMail
??????
????????(????·????)
????????(?????????)
??
73. WebCast ?????????? + QuickTime 4
MacroMedia Director???
?????????????
???????????(MARS)
?????????????(HBG)
QuickTime 4
????????????????????????
WMT(Windows Media Technologies)
100Kbps?????? ??+??
74. ????????requirement ????????DV??
???40Mbps????????
75. ????????????? AS2509
133.107.0.0/16
76. ?????????????? AS2509
133.107.0.0/16
77. ??????????? AS2509
133.107.0.0/16
78. AS2509?????AS??????? NSPIXP????
24ISP????
OCN????????
Full Route?transit
PSI????????
??????????
PSI??transit
NTT-WT????????
?????????
Above.net Housing?
Full Route?filter????
79. VoIP?????? + ???? VoIP??????????
?????????????????????
CISCO3620·CISCO2611
??????????????????????????????
??????·??????????????
INS1500????????
AS5300
Ex.
??????????????????
81. ??????????????? + HBG ???????????????????(20Kbps)?????
Macromedia Directer7.02?????(Windows??Macintosh?)
??????????????????????????
?????QuickTime4
MARS??????????????
HBG(HyperBroadGathering)
Neudience(Net Audience)?????(click)???
38?click(???)
WebCast???????????
3.37MBytes
???????64Kbps???10??
83. HBG???FEEDBACK???????(CLICK)??? ????????(LIFE)?????????????
84. WMT??? ?? + ?? Windows Media Technologies 4
20~100Kbps??? + ???????????
85. ????WIDE + ABOVE WIDE Tokyo NOC
Opera BackBone??GbE?????
WWW??? x3
CISCO LocalDirecter???????
MARS??? x4
HBG??? x1
QT4??? x4
WMT??? x1 Above.net SanJose Housing
MARS??? x1
HBG??? x1
QT4??? x1
WMT??? x1
87. ??NOC??????? 10?(5?)?????????(3???)
?????????????????
GbE???????2????????
WebCast???????????????
GbE???????1????????
88. ???????????? ??
ping·ftp??
IP????????
ftp??????????
??????????
??????????????
???????????·???????????
????????
????????? ? ??????????????? ??
????
??????
Layer3???
???????????
Ping???
Layer2????????
??????????
89. PingMan!!ICMP???????????????
90. RMON???????
91. ?????????
92. ???? ??????????(1998/09/28)
RealVideo + InternetPhone + WebApplication
???????(1998/11/09)
DV over IP(1/2)???
SFC??AIT????(1998/03/31)
Vic??? + nettmeeting??
Stanford???????(1999/06/23)
DV over IP???(1/10)
D.C.??(1999/11/09)
IP/TV(MPEG4+MP3) + nettmeeting
93. Remote Classroom(1) 1998.9.28 San Francisco - SFC
94. Remote Classroom (1) 1998.9.28 SFO - SFC
95. Remote Classroom (2) 1998.11.9 Orlando, Fla. - Keio Univ.
Bi-directional Digital Video over IP (10Mbps)
WIDE - APAN(TransPAC) - vBNS - SC98
96. Remote Classroom: International Collaboration Real-time, High-Speed, International
APAN
High-Speed International Real-time Education
DV over IP : TransPAC
Future collaboration with AIII
Educational application of International Satellite Internet
98. WISC????(???) 09/28 09:30-1100 from wisc
10/04 22:25-23:40 from SFC
10/05 09:30-11:00 from wisc
10/12 09:30-11:00 from wisc
10/26 09:30-11:00 from wisc
11/09 09:30-11:00 from wisc
11/12 23:25-24:40 from wisc
11/19 23:25-24:40 from SFC
99. WISC????(??) 11/29 23:25-24:40 from SFC
12/01 23:25-24:40 from SFC
12/07 09:30-11:00 from wisc
12/14 09:30-11:00 from wisc
12/21 09:30-11:00 from wisc
01/11 09:30-11:00 from wisc
100. DV stream over the Internet
101. ??????????(??)
102. Comet(IEEE 1394 <-> IP)
103. Internet?????·?? ???????
?????????·??
???????
????
??????????????
??????:??????????
?????????????????
?????
???????????
104. ?????? ?????????????
?????
????????(??????????)
????????
???
??????
???
??
??????·??
??
107. 21?? ??????? ???????
109. ??????????????