Small Electronically Controlled Bass Flute In A Dynamic System

Play with the small electronic bass flute

In many ways it works differently than a the large electronic bass flute.

There is a device attached to the flute head that allows a fan to blow air onto the cutting edge via a hose so that a sound can be produced in the flute tube. The fan is PWM controlled and therefore enables different air flows and pitches. This is where the pure overtones of the flute emerge.

On the one hand, the small red microphone can record the sound of the electronic flute. Various algorithms then cause the microcomputer to move the outer tube and thus change the overall length of the flute. This creates a system that relates to itself; it is a dynamic system that is set in motion.

On the other hand, a flute violin or, as in Berlin, a player with batons can also play into the small red microphone and trigger the electronic bass flute.

This flute has also been played several times at festivals - Dortmund, Darmstadt, Frankfurt and in Berlin - and will be played again soon.

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Large Electronically Controlled Bass Flute

Play with the large electronically controlled bass flute

In the picture you can see a flute with a telescopic tube. The outer tube extends the overall length of the tube using a motor controlled by a microcomputer, so that differentiated pitches can be played at very small frequency intervals. The flute tubes are made of carbon. A stepper motor moves the outer tube. A program on a microcontroller controls the stepper. The program is part of the composition. Many individual components were created using 3D printing. The construction is my idea.

I played this bass flute at various festivals. In the picture at a SKOP festival in Frankfurt. You can see 8 numerical values in the picture. The red big 170 is the frequency that I actually play, it is detected by MAX MSP. The other frequency values are adjusted by the MAX MSP patch depending on the actual tone played, so that complex chords are created. The player determines the course of the program through his play; the specified frequencies are determined via the MAX MSP patch and played via two loudspeakers.

Since unpredictable tones can arise, it is unusually difficult for me as a player to play tones in this way.

This flute will soon be played at a festival.

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