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CamUniversal

Version 1.5 for Windows ™ (98/NT/ME/2000/XP)
Release 13. July 2004

 

CamUniversal Manual
Part 1: General Remarks

CamUniversal works with NetCams (IP-Cams), WebCams and additional video devices which are using a driver for Windows.

WebCams
WebCams and similar video devices like TV Tuner cards, capture cards, graphic cards with a capture input etc. are working with CamUniversal if there is an actual driver for Windows available. CamUniversal uses the DirectShow component of DirectX for the work with these devices. So all functions and settings which are coming with the video device drivers are usable. An advantage against other WebCam products is the possibility to work with all connected and installed video devices simultaneously.

NetCams
CamUniversal needs for the working with NetCams their IP addresses. From these IP addresses the program receives the actual camera picture. Example: http://192.168.110.124/picture.jpg
If you are receiving more pictures as your camera is able to generate (the receiving intervall is set to every 0.5 sec, but your camera captures pictures only every 1.0 sec), you receive often the same picture twice. So it makes no sense to receive more pictures as there are new ones available. Look at the network camera manual for possible capture intervals!

The resolution of the received picture is not limited. But if the program receives a picture which has a resolution of 640x480 pixels, it must transfer much more pixels as if the picture would have only 320x240 pixels and the program has to test 4 times the amount of pixels within the intern motion detector difference test.

DirectShow
CamUniversal allows the using of all installed video devices, video codecs, audio devices and audio codecs.
But not all devices and codecs are working together! Furthermore some codecs changes the selected frames by second for the video recording by themselves and other codecs don't allow to record a video and watch a preview parallel.

In General
All digital cameras generates different pictures from the same situation also if there are no changes. If you algin your camera to view on a wall where nothing is moving and let the motion detection run, you get little picture differences, because the generated pictures are different. This happens on the way from the analog world into the digital picture from your camera. To see these differences (not only these, but all differences) you can select in the program to show you the difference window. This is a good way to see how good or bad your camera works. To reduce this differences which are in reality not existing, you have to adjust the pixel difference value.

Part 2 >>

 

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