RE: Maximum USB

["Craig" <craigc_lists@xxxxxxx>]

Dan, how is Gotcha performing? I tried it a while back and it locked
the
PC (W2K) every few days.

Im now using supervisioncam, www.supervisioncam.de. I have found this
software to be far more reliable than Gotcha, and its cheaper to.


-----Original Message-----
From: Dan [mailto:dtoma@xxxxxxx] 
Sent: 10 September 2002 16:40
To: ukha_d@xxxxxxx
Subject: Re: [ukha_d] Maximum USB


I think that an analog B/W camera is more expensive than a color USB
one, with mic included.
More than that, the driver of the USB cam can do all the adjustments
automatically (like sensibility, number of frames per second, contrast,
etc.). Especially for suveillance, where you don't need 25 frames/s,
decreasing the frame rate to 5 or 3 frames/s can give you much better
quality al low light (s/n ratio).

Other dissadvantages of analog cams in surveillance:
- separate power supply (cheaper ones can get a lot of power)
- cheaper capture cards need a lot o processing power to capture the
video


A very good surveillance application, cheaper for single cam but much
more expensive in multicam version is Gotcha! (see
http://www.gotchanow.com/ ).
Unfortunately, the multicam version doesn't work with standard USB
cams.

One of my webcams is connected to the Gotcha application and accessible
on the Media Encoder too, as a Screen Capture (a small trick..:) ).

Any other opinions?

Dan

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