Audiovisual performance - chdh - 2011

Egregore is an audiovisual project that aims to exploit the group movement pheneomenas to generate complex and expressive behaviors. These behaviors are simulated and controlled by a computer in order to be reproduced in sound and image. This work is a continuation of chdh's work on audiovisual instruments, but aims to radicalize the search.


Video extracts

Collective motions

Groups behavior is an interesting fied of research due to the great complexity of evolution and forms generated by the interaction of subjects in a crowd. A crowd of identical elements can create surprising shapes and movements. This is the case in some schools of fish or flock of birds: each element adapts its speed and position based on those of its neighbors. From these elementary movements rises structures organised in shapes whose diversity is a reflect of the behavior they are based on. A global shape is created by the sum of individual wills: noisy lines or clouds turn into fractals from chaotic dynamics. All these elements can have a common purpose, be opposed in different subgroups or evolved independently.


Egregore seeks to capitalize the experience gained since 2002 around the main axes of chdh’s work: physical modeling and synthesis of behavior applies to the creation of audiovisual instruments. We are now trying to take the next step. In egregore, there is only one composed form, a macro structure born thanks to a crowd of micro-elements creating a visual and sound space. Under the action of the two instrumentalists, this audiovisual form evolves and mutates. Micro elements may comprise a compact, dissolved, ever changing shape.

See more screenshots here

supported by :
Césaré - national center of musical creation, Reims : development residency.
iMAL - center for digital cultures and technology, Bruxelles : development residency.