[Uni-verse] minusplus system specs
Schreck Akos
uni-verse@blender.org
Tue, 16 Mar 2004 18:05:29 +0100
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Dear Lauri,
Dear All,
we tried to answer the questions,
if there is anything to precise please feel free to tell
1) Both the physically based and perceptually based modelling are
incorporated in WP7. Both can be applied in presentation, but for
real acoustic design the physical approach is the only suitable one.
We are completely satisfied with physical modeling- that is the usual
method of working in architectural practice
However in the newest architectural trends perceptually based modeling
comes up more and more often
I think for the acoustic design the physical approach is perfect.
2) Unfortunately, we don't aim at making sound libraries. In acoustic
rendering you can apply any audio material available but we are not
going to produce any.
I think it would be interesting to have sound libraries,
but from ques_3 you made clear that the main goal is concert halls
we understand this task doesn't quite require sound libs.
3) In physical modeling our main goal is modeling of concert halls and
similar spaces. The techniques required for modeling outdoor
environments or making noise estimations in apartments are out of
scope since they need very different modeling techniques. The audio
culling helps in this, but I don't know yet how far can we go.
In our opinion a simplified outdoor modeling would be very useful.
4) It seems that there is some confusion about the terms. I think your
term "audio culling" is quite similar to our "geometry
reduction". Audio culling removes less important sound sources and
geometry reduction modifies the geometry. How do you see this ?
You're right, I think we don't quite understand audio culling.
What we wanted to avoid was geometry simplification.
5) Creation of different types of sound sources is a challenging task
that needs further research. We'll start with omni-directional point
sources and in the next phase the model is extended with radiation
patterns for sound sources but whether we can include area sounds is
still unsure.
OK
Regards,
Akos
Schreck Akos
+ 36.70.515.07.15
minusplus_architects
H-1063 Budapest
Szinyei Merse Pal utca 27.
tel/fax:+ 36.1.302.64.68
www.minusplus.hu
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<div class=3DSection1>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
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style=3D'font-size:10.0pt'><o:p> </o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>Dear Lauri,<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>Dear All,<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'><o:p> </o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>we tried to answer the =
questions,<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>if there is anything to precise please feel =
free to
tell<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'><o:p> </o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>1) Both the physically based and perceptually =
based
modelling are<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>incorporated in WP7. Both can be applied in
presentation, but for<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>real acoustic design the physical approach is =
the only
suitable one.<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DEN-US =
style=3D'font-size:10.0pt;color:black'><o:p> </o:p></span></font></p=
>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DEN-US =
style=3D'font-size:10.0pt;color:black'> We
are completely satisfied with physical modeling- that is the usual =
method of
working in architectural practice<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DEN-US =
style=3D'font-size:10.0pt;color:black'> =
However
in the newest architectural trends perceptually based modeling comes up =
more
and more often<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DEN-US =
style=3D'font-size:10.0pt;color:black'> I
think for the acoustic design the physical approach is =
perfect.<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'><o:p> </o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>2) Unfortunately, we don't aim at making =
sound libraries.
In acoustic<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>rendering you can apply any audio material =
available
but we are not<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>going to produce =
any.<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DEN-US =
style=3D'font-size:10.0pt;color:black'><o:p> </o:p></span></font></p=
>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DEN-US =
style=3D'font-size:10.0pt;color:black'> I
think it would be interesting to have sound =
libraries,<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DEN-US =
style=3D'font-size:10.0pt;color:black'> =
but
from ques_3 you made clear that the main goal is concert =
halls<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DEN-US =
style=3D'font-size:10.0pt;color:black'> we
understand this task doesn’t quite require sound =
libs.<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DEN-US =
style=3D'font-size:10.0pt;color:black'><o:p> </o:p></span></font></p=
>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'><o:p> </o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>3) In physical modeling our main goal is =
modeling of
concert halls and<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>similar spaces. The techniques required for =
modeling
outdoor<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>environments or making noise estimations in =
apartments
are out of<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>scope since they need very different modeling
techniques. The audio<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>culling helps in this, but I don't know yet =
how far
can we go.<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DEN-US =
style=3D'font-size:10.0pt;color:black'><o:p> </o:p></span></font></p=
>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DEN-US =
style=3D'font-size:10.0pt;color:black'> In
our opinion a simplified outdoor modeling would be very =
useful.<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DEN-US =
style=3D'font-size:10.0pt;color:black'> =
<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DEN-US =
style=3D'font-size:10.0pt;color:black'><o:p> </o:p></span></font></p=
>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>4) It seems that there is some confusion =
about the
terms. I think your<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>term "audio culling" is quite =
similar to our
"geometry<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>reduction". Audio culling removes less =
important
sound sources and<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>geometry reduction modifies the geometry. How =
do you
see this ?<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DEN-US =
style=3D'font-size:10.0pt;color:black'><o:p> </o:p></span></font></p=
>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DEN-US =
style=3D'font-size:10.0pt;color:black'> =
You’re
right, I think we don’t quite understand audio =
culling.<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DEN-US =
style=3D'font-size:10.0pt;color:black'> =
What
we wanted to avoid was geometry =
simplification.<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DEN-US =
style=3D'font-size:10.0pt;color:black'><o:p> </o:p></span></font></p=
>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'><o:p> </o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>5) Creation of different types of sound =
sources is a
challenging task<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>that needs further research. We'll start with
omni-directional point<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>sources and in the next phase the model is =
extended
with radiation<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>patterns for sound sources but whether we can =
include
area sounds is<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'>still unsure.<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DEN-US =
style=3D'font-size:10.0pt;color:black'><o:p> </o:p></span></font></p=
>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DEN-US =
style=3D'font-size:10.0pt;color:black'> =
</span></font><font
color=3Dblack><span lang=3DDE =
style=3D'color:black'>OK<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DDE =
style=3D'font-size:10.0pt;color:black'><o:p> </o:p></span></font></p=
>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DDE
style=3D'font-size:10.0pt'><o:p> </o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DDE style=3D'font-size:10.0pt;color:black'>Regards, =
<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DDE =
style=3D'font-size:10.0pt;color:black'>Akos<o:p></o:p></span></font></p>
<p class=3DMsoPlainText><font size=3D2 color=3Dblack face=3D"Courier =
New"><span
lang=3DDE =
style=3D'font-size:10.0pt;color:black'><o:p> </o:p></span></font></p=
>
<p class=3DMsoNormal><em><b><i><font size=3D3 face=3DArial><span =
style=3D'font-size:
12.0pt;font-family:Arial;font-weight:bold'>Schreck =
Akos</span></font></i></b></em><o:p></o:p></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>+ 36.70.515.07.15</span></font><o:p></o:p></p>
<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=3DMsoNormal><em><b><i><font size=3D3 face=3DArial><span =
style=3D'font-size:
12.0pt;font-family:Arial;font-weight:bold'>minusplus_architects</span></f=
ont></i></b></em><o:p></o:p></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>H-1063 Budapest</span></font><o:p></o:p></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Szinyei Merse Pal utca =
27.</span></font><o:p></o:p></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>tel/fax:+ 36.1.302.64.68</span></font><o:p></o:p></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><a =
href=3D"http://www.minusplus.hu">www.minusplus.hu</a></span></font><o:p><=
/o:p></p>
<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
lang=3DEN-US
style=3D'font-size:10.0pt'><o:p> </o:p></span></font></p>
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