Archived from groups: rec.photo.digital (
More info?)
Tom, DV is compressed much lower I think. In this link, which I think is
accurate, it says 3.5 mb/second for DV.
http/www.manifest-tech.com/media_pc/dv_format.htm
So, 1.87 (or 2.1 if you extrapolate to the DV frame size) is not too bad,
but not quite as good as DV.
"Tom" <me@privacy.net> wrote in message
news:348i3hF482cktU1@individual.net...
> "cambium" <info@bimo.com> wrote in message
news:iiCDd.2274$8l.1883@pd7tw1no...
> > I have the Sony VX2000 which is an excellent DV camera with three
sensors.
> > Of course there are other DVs that are less quality but almost the same
if
> > you look at the resulting video.
> >
> > How about the S1 IS - how would you compare that (highest res) video to
DV?
> > I know it is only VGA and DV is a little bigger - but other than that.
>
> The S1's bitrate is 1.87Mb/s, atrociously low compared to DV's
> 15Mb/s, but the results are surprisingly good. There are some
> exceptions of course, such as very fast moving scenes where blur
> is apparent.
>
> Also, audio is recorded at 22kHz 16-bit mono instead of 44kHz
> 16-bit stereo.
>
> > (I meant to address the group, Tom)
> >
> >
> >
> > "Tom" <me@privacy.net> wrote in message
> > news:3472q0F48sd3dU1@individual.net...
> > > "cambium" <info@bimo.com> wrote in message
> > news:8UqDd.732975$nl.244585@pd7tw3no...
> > > > All your points make good sense - I agree it can't be the reason I
was
> > > > told.
> > > >
> > > > So... why can the Canon S1 IS take unlimited (to card max) high
quality
> > > > video, while the Nikon 8080 is limited to one minute? I can see no
> > obvious
> > > > explanation.
> > >
> > > The S1 is not unlimited. Max is either 1GB or 1 hour, whichever
> > > comes first. At full quality and frame rate it can take an 8-9 minute
> > > clip before it reaches 1GB and stops.
> > >
> > > Sure would like to find a way to increase that to 2GB.
> > >
> > >
> >
> >
>
>