[Ardour-Users] graphical EQs [was: what linux audio, project, do you miss?]

[Thomas Vecchione]

1.  As I just mentioned in another thread, latency is not really an issue
with DAW work, so using a linear phase EQ is completely possible
2.  Really people?  Nettings I think you have done sound art work in the
past, I wonder how many people that have responded have?  Sometimes the
artifacts and issues CAUSED by specific 'bad' filters might be what is
desired.  I have worked with some artists that specifically don't remember
what plugins sound like so that they are always forced to explore and find
new ways to get effects, and yes some of those are sometimes what we
consider undesirabl when musica mixing.  It is a completely different
application of the same principles of audio.
3. Obviously doing this is working for the person in question, why exactly
do we all feel the need to jump on it and say you are stupid for using a 31
band?  I can tell you certainly I have worked on things where I wanted more
than a 4 band parametric EQ(Used because people said that was the most you
should ever need), that is why I like WaveArts trackplug with a nice 7 band
parametric I can enable or disable each band individually.  There are other
instances where I might want a graphic EQ, generally a 15 band, but I am not
going to complain if someone wants a 31 band, while mixing in a DAW.
 Workflow is a very personal matter and just because you don't agree with it
doesn't necessarily make it wrong.

     Seablade

Probably done with this I suppose.

On Fri, Mar 4, 2011 at 3:58 AM, David Kastrup <dak at gnu.org> wrote:

> Kim Cascone <kim at anechoicmedia.com> writes:
>
> >> well, keep on doing it. but at some point, when you want to tack a photo
> >> to a silk folding screen, you may find that the nailgun comes with
> >> certain disadvantages. this is not creativity, but craftsmanship, which
> >> does have best practices. they should be honed, questioned, and
> >> revisited often, but they exist.
> >
> > for acousmatic and field recording based work a 31 band EQ is anything
> > *but* a nail gun
>
> 31 band over what? 8 octaves?  About 4 bands per octave.  If those are
> supposed to be of actual value, you need at least 24dB/octave filters.
> If you have actual _use_ for the 31 bands, you will have some steps
> where the phase of a filter is relevant quite beyond the transition
> frequency to the next filter.  That means that you get 270 degrees of
> phase shift while progressing into the stop band.
>
> Alternatively, you use linear phase filters and get significant delay,
> large computational resources and onset artifacts.
>
> If you have a good design, you get most of the artifacts only if you
> have steep slider changes.  If you don't, there is no point in having 31
> bands, is there?
>
> --
> David Kastrup
>
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