videoartdistribution-egve.ppt
TRANSCRIPT
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
Technological developments in digital video creation and
online distribution
Egon Verharen
SURFnetMail, SIP, (H.323): [email protected]
Phone, H.323: 0031302305367
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
Premise: broadband technology is thereInternet networks is the way to go
- Managed Dark-fiber network- IPv4 and IPv6 connectivity
- Unicast & Multicast- 1 and 10 Gigabit Ethernet connections
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
Internet traffic on SURFnet
SURFnet customer traffic: Monthly volume
0200400600800
10001200140016001800
Month & year
Tb
yte
per
mo
nth
1600 Tbyte/month
≈ 5 Gbits/second
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
Premise: broadband technology is thereAlso at home
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
Digital video for music apps
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
Digital video for visualisation
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
Delivery over Internet: download or streaming
• Video-on-demand (1-1)– Video libraries– Streaming or Progressive download
• Scheduled streaming (like broadcast, 1-n)– Digital theme channels
• Live streaming (netcast, narrowcast, 1-n)– Events
• Videoconferencing (Interactive, 1-1, m-n)• File download
• For all: Authentication, Authorization, Accounting (& Billing) DRM
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
Video on demand
Extra:- virtual cutter- transcoding
See Montevideo forother Mediatheque
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
Scheduled streaming
By: www.nederland4.nl
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
Live streaming
• Streamgate
• Only scalable solution: multicast !
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
Live streaming
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
Settopbox
What’s your delivery platform ?
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
What’s your delivery platform?
Aula/cinema + projector
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
Settopbox + TV/screen
What’s your delivery platform ?
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
• Is mobile the future ?
By: EVL of the University of Illinois at Chicago & Motorola Labs http://www.evl.uic.edu/cavern/continuum/vvp/report.htm
What’s your delivery platform ?
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
Sony PSP
What’s your delivery platform ?
But: is this the artists’ preferred context?
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
Multichannel delivery
• Mediagateway: distribution hub:IP nets, Cable, mobile (UMTS/GPRS)
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
Hosting for self-distribution
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
New ways video is distributed
• VideopodcastingBroadcatching– RSS + Bittorrent +
Videocodec/transcode
• PSPcasting
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
Video coding
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
• More pixels = more information
• Quality = attention (+ recall )
Premise: HQ pays off
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
1920
1080
1080i HD
1080
1440 HDV
720
1280720p HD
704
576
4CIF/FullD1 (SD)
352
288CIF (SD)
Options available: formats (SD vs HD)
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
• MPEG-2– formats
• 2-5 mb/s (SD MPEG-2)• 19.7 mb/s (HD: HDV/720p/1080i)
• MPEG-4 (Part10, AVC, H.264)– “MPEG-2 quality in MPEG-1 bandwidth”– In Quicktime7– Realtime encoding > 4CIF too intensive for PC
• Hw codecs
• WM9+
Options available: MPEG codecs
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
SD MPEG-2 VC
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art By WIDE
30 mb/s
Options available: alternative codecs: DV
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
HD MPEG-2 VC: HDV
By CRL
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
Uncompressed HD VC: UltraGrid vs ResearchChannel
By AARnet & ResearchChannel
By Ladan Gharai (ISI/USC) & Colin Perkins (UoGlasgow)
Alt system byMcGill Univ
©2005, Egon Verharen, SURFnet. 14-4-05. Seminar New Technologies - Distribution of Video Art
Concluding
• Streaming is good technique/platform for distributing video art
• New codecs make HQ (and all video and film formats) possible
• Always save in highest possible quality & transcode for large scale distribution
• Challenge is not in coding, hosting, streaming, but in DRM for distribution