Projets Hughes Germain
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Sound Installation
Vibrating Cylinders
        (Brest, Fr.)



The work is a landscape, a climate more than an object.
It is a space to share, to live in a "public" or intimate way,
flexible and open enough not to require operation.






The work is visually very present, but it is while approaching that it reveals its meaning:
the low vibration surrounds us, we sense an animated matter more than sound.
Each cylinder portion has its own resonant frequency.
What is seen is between sound and vibration: the report can be considered by listening of course,
but also felt by the body, touching, sitting, lying down on it.
The cylinders seem to float in and out of the ground. They seem unstable and light because they sound.

Completing the vibration of the cylinders,
4 speakers placed at the top of masts create a "bubble" enveloping sound, composed in counterpoint.
Musical elements come from collectages, meetings with the neighborhood and its inhabitants, including the school.
The work is in frequencies outside those already employed in the existing environment, that is to say, in the extreme treble / subwoofer.



Installed in a permanent manner, the work can be heard every day from 6'30am to 22pm. Tram stop Dupuy de Lome, Brest (Fr).
> map

a command of the Programme Artistique du Tramway de Brest Métropole Océane.
Arter - Paris.
Realisation Société A2C.
with the help of Christophe Havard, Xavier Jacolot et Philippe Cam.



Walk at dawn in the cylinders
(which does not replace the real ride!)


 



 
Salia Sanou performance at the inauguration

 






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> About the project




Early research







Corten steel version






Last modeling









From a sound point of view, research is largely empirical in the workshop;
the cylinders have a length variation due to their 5 °inclination.
They therefore have several resonance frequencies.
Similarly, their diameter allows for very low frequencies (7.5 Hz and 1.3 tonnes  for the largest) that do
not make modelisation possible. When they come into resonance, the sound that rises is the result of
a multitude of unpredictable parameters upstream (slight variations in the thickness of the plate 8mm, welds,
bearing force on the tripod spiked steel, air temperature, humidity, etc.).
The frequency range used is ~ 6 ~ Hertz to 600 Hertz, but the harmonics generated will obviously well beyond.
The basic operation is still the same as for a bell, with antinodes and nodes, even or odd.







Workshop testing
 







Small cylinder crane



Interview (in French)
 




Projects Hughes Germain