OT? Newbie - Mac Multi Cam Capture?

Discussion in 'Professional Video Production' started by Pete Pemberton, Jun 1, 2005.

  1. Hello all,

    Doing research for my church and getting more cornfused by the minute.
    I am looking at a program called Live Channel Pro, to manipulate
    various live cam inputs, pre-recorded clips, and other inputs as a live
    broadcast style platform. The program itself seems very easy to use,
    which in a worship setting, this is a good thing.

    My confusion is understanding how to input (cost effectively mind you)
    multiple (two or more) live cameras, either fixed/remote controlled or
    mobile, getting the signal to the production computer, and input these
    signals into the computer. I think analog would be peachy for the
    quality, but maybe not. We are projecting onto a large screen. Not
    looking for DVD quality, but at close to a "TV quality" look would be
    good. Camera cost is crucial at this point, we have the computer, I
    want to get up and running for less than $2000 with two cameras that
    will be onstage or near the speaking area, and I have another DV I can
    use from the computer, as a direct FW input for the broad view in the
    room.

    We also have a video three channel switcher, a media computer (Media
    Shout). Keep in mind the Live Channel Pro software will cost arounf
    $1000. With the switcher, maybe we don't need that software yet.

    Is wireless transmitting an option at all? How about S or composite to
    CAT5 conversion? All we need is the video feed, not audio.

    Thanks for all info!

    Pete
     
    Pete Pemberton, Jun 1, 2005
    #1
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  2. "Pete Pemberton" wrote ...
    Industrial-quality used cameras from eBay? That's what I do.
    Not really.
    Marginal for "close to TV quality" on a large screen.

    All we need is the video feed, not audio.

    Power? Gen-lock? Intercom? Tally? Camera/lens control?
    [All comprehended in typical industrial/broadcast camera
    cables and CCUs (camera control units)]

    I just put up a new addition to my BKM pages...
    http://www.rcrowley.com/LocVideo/index.htm
    http://www.rcrowley.com/VideoBKM.htm (new)

    Maybe I'll do another one about the details of our multi-cam,
    live-switched units.
     
    Richard Crowley, Jun 2, 2005
    #2
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  3. I think for live channel to work with multiple cameras, it needs the
    cams to all come in thru individual firewire ports on the computer. If
    you're lucky, maybe a hub is all that's needed to expand the number of
    cameras, but my guess is it needs to be honest to goodness dedicated
    ports, to get the speed of necessary data rate to and from the cameras.
    What I imagine goes on in the computer using Live Channel is the
    computer can only process maybe two incoming DV streams thru firewire
    at once, so any additional cameras are essentially idle until selected,
    then the computer drops one and takes the next one at a full sample
    rate. Again, this is all juts a guess. For worship service coverage on
    a budget, I think this should be adequate. If your facility is oneof
    those 2,000-plus-seat mega-churches, you will need more horsepower. The
    Newtek Video Toaster is becoming somewhat of a standard for worship
    video setups because for all the features and capability you get in one
    package, it's a great value. It can also handle just about any video
    signal type you can throw at it, and it in a sense automatically
    synchronizes any video sources you want to bring in like various
    non-matching cameras and decks. It's PC-based, however, and you are
    on mac now.

    Other bargain type setups would incude old Grass valley switchers or
    pinnacle Alladins bought off ebay and the like.
     
    nobody special, Jun 2, 2005
    #3
  4. So would PCI fw cards give me more busses? I have two separate FW
    busses and assuming each PCI card gives me another, I can go up to five
    before upgrading. 5 is alot.

    OK how do I run FW long distances without alot of dough?

    I still think if I can get a card that will accept 2 or three composite
    signals (like a surv. system) it would also work. All I need is the
    input signal, not all the FW whizz bangs. This is for video through,
    not recording. I would just be recording the broadcast not each camera.
     
    Pete Pemberton, Jun 3, 2005
    #4
  5. "Pete Pemberton" wrote ...
    Define: "long distances" 100ft?
    Define: "alot of dough" $100?

    At this time there is no generic answer to your question.
     
    Richard Crowley, Jun 3, 2005
    #5
  6. Pete Pemberton

    Mike Wilcox Guest

    Not the OP, but How about 60-70 feet?

    Mike
     
    Mike Wilcox, Jun 6, 2005
    #6
  7. 100ft for 100USD http://www.pccables.com/70938.htm
    likely others, too...

    Google for: 100ft firewire
     
    Richard Crowley, Jun 7, 2005
    #7
  8. OK Great! I guess with a FW 800 PCI card I can have 5 FW camera inputs,
    2 inputs factory (separate buses) and one 800 card can handle three
    cameras at 200 mbps +.... (?)

    I guess the title of the thread CAPTURE is not correct for my
    application. I will not be recording all cameras at once.
     
    Pete Pemberton, Jun 7, 2005
    #8
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