Micronation is an audio experiment where I took a ~30 seconds of aeolian harp captured during a high wind event and used Melodyne to determine each of four root notes by frequency. [The strings were tuned justly by ear but drift after several hours exposure to the elements outside, especially due to temperature changes] Then I used Paul’s Extreme Sound Stretch to isolation each vertical harmonic structure based upon the roots determined by Melodyne (10 harmonics high by 25 cents wide)and exporting the four files. Then I used Sonar to sequence the exported wav files and applied reverb, EQ, and tape simulation. The experimentally determined roots are 92 Hz, 118 Hz[59/46], 140 Hz[35/23], and 184 Hz [ 2/1 the octave of 92].
Archive for the ‘aleatoric’ Category
A video demo of the Gestrument, an algorithmic music composition iPad program that supports alternate tunings. It works hand in hand with ScaleGen (not shown here) for $13.99 bought as a bundle. Its a great value and has a long list of features such as morphing of tunings, recording, a nice selection of voices and output of midi.
Picture by Chris Vaisvil
nearly an eternity – processed electric aeolian harp
You can see the tuning in Melodyne
photo by Chris Vaisvil
off tracks age is an aeolian harp sample that was recomposed by using Melodyne 4’s adaptive Just Intonation and rhythm normalization functions and then the exported result was modified using Native Instrument’s Guitar Rig 5 and Cakewalk Sonar’s Breverb.
Perseus Cluster (processed electric aeolian harp) is an ambient directed aleatoric piece – the wind played the aeolian harp after I tuned it. I recorded the result and then I processed the harp through a battery of effects to create an ambient piece that consists of a drone of processed harmonics.
Aeolian Edit 2 is an experiment with manipulation of an electric aeolian harp sample which I added counterpoint and retuned to 17 edo (equal division of the octave). Since the electric aeolian harp yields only harmonics what has been manipulated are the pitch values that the melodyne detection routine decided were root pitches and *not* harmonics. By retuning to 17 I have recomposed the original content into something other than a pure harmonic relationship. My apologies for the large volume changes – in this case I’d rather have close to a constant loudness but do not have that worked out yet.
Being Cauliflower (feat. Shane Cadman, Chris Vaisvil, Jude Cowan and mashed by Steve Layton) – Nearly every musician has had the experience where they join in a free-form unplanned improvisation and magic happens in the room as everyone seem to pull their parts from the air and make a cohesive whole. As one who has experienced that I have to say it is an awesome feeling of being “plugged in”. What is even more incredible is when this happens when the respective musicians can’t hear each other and separated by hundreds or thousands of miles across the internet. Steve Layton in 2012 took a number of separately recorded tracks for the then ImprovFriday (now sound-in.org) and put them together with little editing and the result is one of my favorite collaborative tracks “Being Califlower”. I hope you enjoy it as well.
This is not nice melodic music
– it is a harsh exploration of a technique!
even the best of intentions is an exercise in transforming audio. I used a sound effects CD ripped to my iPod as the source for the Korg MS-20 mini’s signal in. While it played I manipulated the settings on the synthesizer. If you listen closely you can at times hear a bit of the original signal leaking into the output. Except for editing out silence I applied no effects or other manipulation of the output.