I remove that camera from the scene, re-add as a new video input capture source and select that camera and it works. However, Occasionally I go to a scene which may use two cameras and one gives no picture. Generally it works, I also have Voicemeeter and Behringer UMC1820 with 8 mikes. 3 of the cameras are on 30m active extensions. I could only ever get 1 camera working through a hub. USB hubs should definitely NOT be used for cameras. I have a i7- and 32GB, 2x Startech 4x direct port USB cards. I have 2xLogi930, 2x new streamcams,1 x C170, 1 x SDI CCTV via Camlink and 1 other (I forgot what it is). I too came across this thread with a similar problem. Of course, not always can I skip the extensions.īased on I need 4 cameras (2 mor will be perfect), the questions are: Some PCs have two or three or four USB HOSTs, if two cameras are connected to the same HOST, the chances are that the issue will show.īut from my view point, it is not only a USB HOST issue, since, in my setup, it will work perfect if 4 cameras are connected wihout extension cable. If a connect all the cameras with extensions, cameras 1 to 3 work fine, but still, the 4th, connected by means of the hub (or not) fails in the same manner.Īfter some reading, it is a matter of USB HOST issues. The screen kind of breaks or cuts in pieces and cannont build the frame. The issue shows when the fourth camera is connected (3 and 4 are at the hub) with an extensión cable (10 meters amplified). Cameras must be set to 1280x720 (HD), at 1920x1080 (FHD) the forth camera fails to work ok at once. When all cameras are connected with only the original camera cable it works fine, although two of the four cameras are connected to a usb 3.0 hub. GeForce GTE550 TI graphic card, two 1920x1080 monitors. I have an i7 3rd generation, with 8GB of RAM windows 7 (all effects and parafarnalea removed).
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