A duet featuring Luis Della Mea and Arnhild Staal Pettersen from the public showing og the second VIBRA workshop in May 2018 using the Pulzer, a synthesis instrument with an event generator creating notes for a sawtooth wave oscillator.
The Pulzer instrument generated rhythmic streams of notes with varying pitches and tempo. It had a possibility of choosing between different variants with different pitch sets with either a minor, major or more ambiguous flavor. It could be played both the Myo and NGIMU sensors.
This instrument uses:
1) The intensity value (as described above) to choose among a pitch set of 8 different pitches, with higher intensity giving a higher pitch.
2) The gyro value was used to control the tempo of the note stream. Changes in the gyro values - caused by general movement - would cause an increase in tempo, up to a point in which tempo would suddently fall down to a base level again.
The Pulzer instrument was used in both workshop and stood out with a quite lively and playful output. Although it didn't have large expressive qualities, it created a contrast to many of the other instruments that the dancers appeared to appreciate.
See www.vibra.no for info about VIBRA. The instrument is programmed in Csound.