Generating a matte is what separates Ultimatte and Spectramatte from a regular chromakeyer.
<<http://www.ultimatte.com/UltimatteMain/Ultimatte_vs_ChromaKey.html>>
Or Steve Wright's book, "Digital Compositing for Film and Video" which gives a more thorough yet mind-numbing explanation which can be found in the Google universe here: http://tinyurl.com/7aenz2x.
At any rate, the difference is subtsnatial and not every color correction package uses a matte keyer vs. traditional chromakeyer. I am not defending Avid's lack of proper toolsets here, only pointing out that that you can soften the selection in secondaries even if that isn't what you are looking for.
--- In Avid-L2@yahoogroups.com, Dylan Reeve <dylan@...> wrote:
>
> The keyer generates a matte. On a chroma keyer like SpectraMatte you can
> then blur or soften the matte to avoid hard edges. This is something that's
> possible in every other colour correction tool I've used that features
> secondary corrections.
>
> Dylan Reeve
> http://dylanreeve.com/
>
>
> On Mon, Mar 26, 2012 at 1:52 PM, Terence Curren <tcurren@...> wrote:
>
> > **
> >
> >
> > You really have to understand the difference between a "matte" keyer and a
> > "chroma" keyer to grock the difference here.
> >
> > The secondaries in Symphony act like a chroma keyer.
> >
> >
> > --- In Avid-L2@yahoogroups.com, Dylan Reeve <dylan@> wrote:
> > >
> > > Yeah, that's what I was talking about... The soften just softens the
> > > selection area. Still end up with hard cutoff on matte edges. On slightly
> > > noisy footage that can create noticable "boiling"
> > >
> > > Also impossible to use luma-only for the qualifier which would be
> > helpful.
> > >
> > > I usually just ignore the secondaries entirely for that reason. If I
> > really
> > > need one I will stack up layers with SpectraMatte to get what I need.
> > >
> > > Dylan Reeve
> > > http://dylanreeve.com/
> > >
> > >
> > > On Mon, Mar 26, 2012 at 11:39 AM, Terence Curren <tcurren@> wrote:
> > >
> > > > **
> >
> > > >
> > > >
> > > > I guess it depends upon how you define the selection. If you are
> > talking
> > > > about the selection of a specific color range, and you want to soften
> > that
> > > > selection, that is what happens now.
> > > >
> > > > If you are talking about softening the edge of a matte on an area that
> > you
> > > > created using a color selection in secondaries, then no, that would be
> > what
> > > > we gain by adding shapes if Avid invests in that feature set.
> > > >
> > > >
> > > > --- In Avid-L2@yahoogroups.com, "johnrobmoore" <bigfish@> wrote:
> > > > >
> > > > > I don't think of the soften in secondaries like I would soften a wipe
> > > > pattern edge. It's more like a broadening of the secondary color
> > selection
> > > > allowing more colors near the targeted secondary. At least that's how
> > it
> > > > seems to work to me. Am I missing something about the "soften" control
> > as
> > > > it works in Symphony secondaries. I read the OP as wanting to soften
> > the
> > > > edge of the matte generated by the secondary selection. If I put a
> > > > secondary on flesh tone of a face and tweak the soften control more
> > fleshy
> > > > like colors are included in the secondary selection and that happens
> > across
> > > > the entire raster not just the edge of the face area. I wish
> > spectramatte
> > > > had better matte manipulation too, the dilate rarely works the way I
> > would
> > > > like it to.
> > > > >
> > > > > --- In Avid-L2@yahoogroups.com, "Terence Curren" <tcurren@> wrote:
> > > > > >
> > > > > >
> > > > > >
> > > > > > --- In Avid-L2@yahoogroups.com, Dylan Reeve <dylan@> wrote:
> > > > > >
> > > > > >
> > > > > > <<The secondaries are virtually useless given you can't soften or
> > > > tweak the matte.>>
> > > > > >
> > > > > >
> > > > > > Huh? So that soften slider that smoothes out the secondary
> > selection,
> > > > the one that I have been using all these years is in my imagination?
> > > > > >
> > > > >
> > > >
> > > >
> > > >
> > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> >
> >
> >
>
>
> [Non-text portions of this message have been removed]
>
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