11 Feb
2009
11 Feb
'09
9:46 p.m.
Back on Wednesday 11 February 2009 01:47:31 am Stéphane Magnenat was saying
stuff like:
If you want to model the the ambient reflections with that type of physical
accuracy, you would probably save yourself a lot of trouble by finding an
actual performance venue that you want to model after, and get several stereo
impulse response samples from the desired listening location, with the sources
coming from the different locations on stage that you are wanting to use as
instrument sources.
-Reuben
There is
another program by the same author of the tap plugins called
reverbed that lets you edit just about every aspect of the reflections.
I've already played with it. It is very nice indeed, but it requires
handcrafting of all parameters. For instance, one has to specify each early
reflection by hand. It would be much more convenient to be able to specify
the size of the room, the position and size of the instrument, the position
of the listener, and some parameters for the walls ; and let the program
compute the corresponding early reflections patterns. It is probably not
that difficult to do, as it only requires basic 2D geometry. The main
issues that I see are:
- How many early reflections to take into account?
- What is the relation between the room dimensions and the allpass
impulses? - How to make nice use of stereo input; for instance, should the
left wall early reflection use the left channel source positioned at the
most-left point of the instrument area, and the corresponding layout for
the right one? If these questions find answers easily, building an
easy-to-use reverb editor for ladspa is probably only a matter of dumb
coding, by extracting the TAP reverberator source code and fusing it to a
GUI application for instrument and listener positioning.