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Posted by Jona Vark on 10/01/05 15:34
"AnthonyR" <nomail@nospam.com> wrote in message
news:sGn%e.3048$Fc4.1739@twister.nyc.rr.com...
>
> "Jona Vark" <noemail@all.com> wrote in message
> news:SDl%e.2114$rl1.1263@newssvr27.news.prodigy.net...
> >
> > "Tony" <trusso11783@yahoo.com> wrote in message
> > news:54rmj1de2ua906t2g92vg3rgej1v9t3ri8@4ax.com...
> >> On Mon, 19 Sep 2005 18:33:45 GMT, "Jona Vark" <noemail@all.com> wrote:
> >>
> >> >if you were able to capture raw data from the CCD it would be nearly
> >> >unviewable. That said.. it would be a very difficult task indeed..
> >> >considering DV's 5:1 compression ratio you would be looking at a
125Mbs
> > data
> >> >stream which would need sufficient tweaking to make it viewable at
all.
> >>
> >> What are you talking about. I have been capturing uncompressed video
> >> since
> > 1999 using my Toaster NT.
> >> I had to be able to capture 22 MB/sec. SInce there is no compression,
it
> > requires 1 GB /minute. And
> >> I was able to edit up to 4 tracks (Layers) at a time. I would output
to
> > either S VHS, miniDV or DVD
> >>
> >
> >
> > Pay attention! I was talking about getting a 125Mb/s data down a 25Mb/s
> > format (DV).
> >
> >
> >
> >
> >
> >> Tony
> >> >"rich" <richard@tanglewoodproductions.com> wrote in message
> >> >news:1127153567.800551.69330@g43g2000cwa.googlegroups.com...
> >> >> Has anyone hotrodded their DV camera in order to capture the RAW
data
> >> >> coming directly from the ccd? It would be great to send that
> >> >> datastream
> >> >> to a lacie firewire-800 drive. Anythoughts? Thanks.
> >> >>
> >> >
> >>
> >>
> >
> >
> There's something fishy with these numbers somewhere. While Tony is right
> that the Toaster captures incompressed video
> at around 22mb/s and dv is compressed at 5 to 1, I always thought the
actual
> data rate needed was only around 3.6 mb/s for mini dv video/
> Someone I think mistaking some number here somewhere. Any pros have the
> answer?
>
Small 'b' ... bits per second. 3.5 mB/s for DV = ~25mB/sec
> AnthonyR.
>
>
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