On Thu, Jan 13, 2005 at 02:17:38PM +0800, Rowel Atienza wrote: > CCTV, video over ip, video recording, motion detection, etc. > > See: > http://www.axis.com/ > > > Anyway, if you somehow want to support those cards that can receive > > from up to 16 cameras, I'm not sure if they would work under Linux. I > > At 30 frame/sec and 320X240 grayscale resolution, you will need: > > 30*320*240*16*8 = 294912000 bits/sec
Two bad assumptions: 1. 30 FPS - Security cameras typically do far fewer than that. 2. No compression - JPEG compression is typical, and will drop the image size dramatically. Given that, one could probably support 16 of them on a 100Mb network. Michael -- Michael Darrin Chaney [EMAIL PROTECTED] http://www.michaelchaney.com/ -- Philippine Linux Users' Group (PLUG) Mailing List [email protected] (#PLUG @ irc.free.net.ph) Official Website: http://plug.linux.org.ph Searchable Archives: http://marc.free.net.ph . To leave, go to http://lists.q-linux.com/mailman/listinfo/plug . Are you a Linux newbie? To join the newbie list, go to http://lists.q-linux.com/mailman/listinfo/ph-linux-newbie
