Andreas Otto > Preparing JunXion Tutorials/ Cello Boom-Bow (Sept-Oct 2008)

In the six weeks at STEIM I’ve been preparing contents for video tutorials on the future release of JunXion v4 with programmer Frank Baldé.That was the dayjob at STEIM. The nightjob was the Cello Boom Bow, an attempt to find an appropiate setup to process my cello sound on stage, on my own, without getting up from my chair, without watching screens.
It’s fun and a challenge for me to soon introduce the JunXion software in a couple of short video tutorials. I’ve been using JunXion intensively in the last two years for performances with a wireless gamepad. There were still many powerful features in this software for me to explore, especially in the combination of the various input sources with JunXion’s Timer structures. Right now I am about to edit the scripts of the tutorials and record some video, the first tutorials should be there by beginning of 2009.

frank-mics.jpgThe interviews and sessions with Frank Baldé were funky.

Above all, it was a great opportunity to get these firsthand insights into the structure of the programme, also for my current musical project, the Boom Bow:

In spring 2009 I will be part of a theatre production in Hamburg with dancer Victoria Hauke. I’ve worked with her before as a composer, but this time she only wants me to bring my cello on stage and improvise alongside the show. There will be certain cues for amplification and electrification of my playing. Therefore I will use a 3D accelerometer sensor attached to my bow, and a number of footswitches. Byung-Jun Kwon helped me extracting the sensor out of the Nintendo Nunchuck device and attach it to my bow. It’s still very prototype style, eventually I’ll need a longer cable and a velcro attachment, but it’s good enough to try out some ideas.

I want feedback and distortion sounds. Combined with a resonant filter and delay the cello sound can be turned into a vivid drone depending on my bow movements. I call it the Boom Bow.
Obviously I’ll be using junXion for the mappings. Ableton Live’s mixer and the funny Ohmforce Plug-ins for sound manipiulation. JunXion’s so-called “activity” behaviour of the inputs will send control streams according to the quantity of movements that I do with the bow. In the initial setting of the Boom-Bow (footswitch 1 on) a send fader will open due to the activity. Once I play fast (or move the bow in the air), the processing will fade in. This is a kind of meta-control derived from the accelerometer, I can still use the three continuous control streams from the sensor for individual parameters. The footswitches allow to change between different parameter settings, to combine or (very important) to bypass them. Right now I am about to work out the setup so that I can use it on stage. It will be combined with fello 1.0, a STEIM software instrument which “follows the cello” by Florian Grote & myself from 2005. Next year I will extend the Boom Bow in more detail in order to use it in the studio for my next Springintgut record.

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