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How do I broadcast, stream live with more than one camera?

by congapunks / August 20, 2009 7:18 AM PDT

I have been unsuccessful trying to find answers to this. I broadcast live music bands with a webcam, I want to move up to a higher quality camcorder and want to add 2, 3, maybe 4 cameras for the same stream and switch between them. Do I need a hardware interface or a software interface to connect and switch between cameras? Both for Mac and PC.

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Hmm not simple
by bill091 / August 21, 2009 3:38 AM PDT

You have a number of issues that you have to get past.

First if we look at the simple case of I have 2 cheap USB web cams. You first have to solve the software issue of how you get both active. Some software can support multiple, some software you can launch it multiple times and select the camera and port to stream on and some is stupid and only do a single camera.

Now with a camcorder you first have to have a way to get the data out of the camcorder and into the PC. Many times you need a special capture board to do this. And if you want to run multiple you have multiple boards or a board with multiple inputs. Some new camcorders can run on USB but you still have the software issue.

You best bet it to look into cctv security products. They have solved most the how to hook it up problems but you would still have to find one that could broadcast itself or be computable with your broadcast software.

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Thank you.
by congapunks / August 21, 2009 4:18 AM PDT
In reply to: Hmm not simple

I do have friends that use CCTV cameras. So I guess I would need something like the Tricaster in order to switch around and have multiple inputs, or go with the capture card.

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Capture card is a good idea
by rwpcolumbia / August 26, 2009 2:30 AM PDT
In reply to: Thank you.

If you get a good capture card it will handle a lot of the processing required for feed capture itself. Reducing the load on the system processor. For 1 or 2 cameras you probably won't see much differance on the new machines, but it's always nice to reduce the load on the system where you can.

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Video mixer
by cataEye / May 10, 2010 1:12 AM PDT

A video mixer will do the trick if you want to use more than one webcam for live streaming. Also you may have a look at this broadcaster: http://www.tikilive.org/pdf/HD_Desktop_Broadcaster.pdf It allows you to connect 2 video sources then mix them with a single click.

Catalin

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