Forums > Jitter

Four Logitech Web Cameras simultaneously on Mackbook Air


topher6345
May 06 2013 | 6:14 pm

I want to run three of these camera’s http://www.logitech.com/en-us/product/hd-webcam-c615?crid=34
and one of these camera’s
http://www.logitech.com/en-us/product/hd-pro-webcam-c920?crid=34
(total 4)
at the same time in my Jitter patch
on a
1.86 GHz Intel Core 2 Duo, 2Gb 1067 Mhz DDR3 MacBook Air

So far I can get only 2 at any time to run in the jit.qt.grab [settings] dialog. All four cameras show up but only two at a time will transmit signal.

Anyone else had experience with this kind of setup?


dtr
May 06 2013 | 7:08 pm

Chances are the USB bus is saturated with 2 of ‘m.


LSka
May 08 2013 | 10:22 am

You may try using a USB hub with external power supply, but in my (short) experience with multiple webcams, I managed to get only two of them working well on a single usb bus, the third one being recognized but dropping/freezing frames. (I think that is due to bandwidth/serial signal limitations)

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