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Sonic identity & transformation
Hi Ursula, and list
I would propose that the question is not well-defined as to 'what you
want to do', and (possibly) why.
There is an entire art-form that has been involved in this area for
half a century, "electronic music", "musique concrete", or more
recently called 'electroacoustics' in the generalized sense, and
'acousmatics' is the more specific sense.
This is, for me, a question about sonic 'identity', and the meaning
(semantic) of the word "same" (as recognizable would appear to have
to imply aspects of similarity). Through training and inclination, I
am able to extract reversed, time-stretched transposed filtered voice
inside complex textures (even when they are not there), but maybe you
are not looking for 'expert' ears. Interestingly, after a little
training in the techniques of sonic transformation, most of our
students quickly develop this fundamental ability.
And so the question regarding the nature of the encoding of the sonic
identity, and 'how far' (and in what ways) a sound can be transformed
and still be considered a member of the (root) family. [Google
"families of sounds" ].
For further information on the plug-ins available for transformation,
you may also want to Google "VST plugins" and "AUDIO units" and
read through the descriptions of a number of the software packages
listed. You will most likely see that they fall into a number of
basic categories, amplitude, time, spectrum (added, reduced,
To hear how electronic sound artists have used these ideas and
materials, spend a little time listening to some of the 1700
electroacoustic works on Sonus.ca http://www.sonus.ca/index.html,
more than 90% of which use some form of sonic transformation that you
may be looking for.
Should you wish to pursue the 'artistic / creative' aspect of this
further, there are a number of lists devoted to the practice. (Google
"electroacoustic music" or "electroacoustic studies").
Date: Tue, 12 Sep 2006 18:26:22 +0200
From: Ursula Kirmse <ukirmse@xxxxxxxxxxxxxx>
Subject: making a sound unrecognizable
Dear list members,
I'm looking for a possibility to change/edit a environmental or at least
natural sound in a way that it is not any longer recognizable as what
it is, but, however, for doing this with changing as less acoustic
parameters as possible. ;-) The intention is to use these sounds in a
MMN paradigm and it is important that both "versions" of the sound are
acoustically as similar as possible.
The main point is that the sound (that can also be a more complex thing
as the sound of a barking dog or a something like that) should be not
possible to be recognized as what it is.
I would be very happy about ideas or would like know if maybe somebody
has already tried something like this? I would also be very happy about
recommations for software or matlab scripts that could be helpful in
respect to this. For example I'm looking for a way to transfer the
amplitude envelope from one sound to another (I already wrote a matlab
routine for this, but its not yet functioning perfectly fine and the
result is not completely convincing).
So if anybody has a an idea I would be grateful.
best regards and thanks a lot,
University of Leipzig
Cognitive & Biological Psychology
Institute of Psychology I
04103 Leipzig, Germany
Phone +493419735978/Fax +493419735969