Andrea Sodomka

Reflexion (2000)

Link to this page: http://alien.mur.at/sound/reflexion



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For ensemble and computer-aided biofeedback instrument
 
A set of multi-functional sensors transmit pulse frequency, skin resistance, breath frequency, temperature and muscular tension of the performer to a computer-aided biofeedback instrument. These physical data are converted into a MIDI-data stream which, in the case of this piece, is used to conduct the musicians.

The performer's bio data function as a virtual conductor.

In the case of "Reflexion" the performer's bio data are not transformed into sound data. Via a display these data are made visible for the musicians. The permanently changing parameters of pulse frequency, skin resistance, breath frequency, temperature and muscular tension are - depending on the performer's concentration and relaxation - the trigger for playing instructions, standing for a catalogue of micro-compositions, interpreted by the ensemble.

The ensemble functions as the real body of the virtual conductor.

performed by Andrea Sodomka and the ensemble "die reihe"
programming, interface-design: Norbert Math
hard- and software biofeedback: INSIGHT INSTRUMENTS, Vienna
first performed: Radiokulturhaus, ORF, Vienna, January 13th, 2000
http://alien.mur.at/autoregu/reflexion/frameset.html