On Sun, 7 Feb 1999, Doug Pearson wrote:
> For those folks interested in the IEEE1394 (Firewire) DV over IP
> discussed at the NC meeting (BTW, thanks Tyler and co.) please
> look at
> [Kobayashi-san]
> > >If you want to make the highest quality communication made with
> > >our application, you have to obtain following equipent:
> > >
> > >1) Sony VX-1000 DV camcorder
> > >2) Sony WV-D10000 DV VCR
> > >3) Radius Moto-DV Firewire card
> > >4) Also, PCI bus based PC
We could get away from having a DV VCR if we're making a connection
between cameras at each location. My understanding is that the VCR is
necessary primarily to get access to the real-time decoder chip for
the DV encoded stream. The cameras have this capability as well as
the VCR and, probably for market reasons, the cameras seem to be
cheaper than the VCRs (but probably also have less flexibility). If a
site didn't need to have a bi-directional DV feed, then it might be
possible to do a demonstration with only one camera/VCR at each
location. For some applications, a lower-resolution back channel
might be adequate for the feedback to the main originator (perhaps
using traditional analog equipment and an encoder card).
It would be nice to have at least one VCR to make it a little easier
to record the DV stream, but the originating camera should be able to
handle that function.
Perhaps we should set up a mailing list that is a subset of i2dvn to
discuss this project.
Peter Marshall, Advanced Networks Applications Specialist
CANARIE Inc, c/o ARDNOC, #560-55 Metcalfe St, Ottawa, Canada K1P 6L5
613-781-0667 fax: 613-234-7488 http://tweetie.canarie.ca/~marshall/
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