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Novel use of 850 Pedal Interface

2011-10-07 by Jim Gordon

Ever hear of an EWI (Electronic Woodwind Instrument)?  Its a 4 
oscillator virtual analog synth, played like a woodwind 
instrument.  Its similiar to a clarinet or soprano saxophone (my wife 
says it looks like a vacum cleaner attachment).

There's a picture of one on the main page of my website www.jimsjazz.com .

The EWI outputs both audio and MIDI.  I wondered if I could control 
my MOTM gear from the EWI MIDI output.  I plugged the MIDI signal 
into the 650 MIDI-CV converter.  Not good results.  The EWI has lots 
of breath information, no volume info, and other data that the 650 
won't handle.  650 crashed often.

The next step was to record the EWI info (I use Sonar).  I spent 
several seconds "composing" a little tune: 8 bars, 4 chords.  Made a 
simple loop of it.  Played an EWI solo, saving both the audio and 
MIDI info in Sonar.  Sloppy
performance, so without listening to the first EWI performance, I 
recorded a second pair of EWI tracks.

Then I got this idea: maybe I could use the phrasing info from the 
audio track to control the MOTM output.  (Too lazy to put together an 
envelope follower.)  A little experimentation: the recorded EWI audio 
signal goes to the 850 mix in.  The gate output is a solid gate 
signal, goes to gate input of 800 envelope generator.  The 850 CV 
output is a little tricky.  As a control input to 190 VCA its 
somewhat useful, although some of the audio reappears in the 850 CV 
output.  The EWI's pitch info appears at the 650 CV output.  Controls 
the pitch of two 300 VCOs (tuned to an octive below the EWI audio) 
and 420 filter.

I recorded the MOTM output, once for each EWI pass.  At this point 
there are 5 tracks:  EWI audio for each pass,  MOTM audio for each 
pass, and a simple rhythm loop.

Well the audio tracks aren't so hot (I played sloppy) and the MOTM 
stuff is not really tracking so well.  I decided to bury the mistakes 
with some pads.  I found that with some reverb I could use both EWI 
performances simultaneously, if you don'f mind some parallel minor 
seconds (maybe that's "ethnic").  Not buried enough yet, so I added 
more rhythm tracks.  Added an intro and ending, a sort of arrangment 
appeared.

You can hear the result via www.jimsjazz.com/Francesco.mp3 .  Corn is 
good for the soul.

Jim






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