Three Phase Oscillator

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Another Processing library that I have looked into is RWMidi Processing which is another relatively simple and easy to use set of MIDI tools. To illustrate how to use the library Wesen, from Ruin & Wesen, produced a screen cast on how to make a “Game of Life” sequencer. I decided to have a look at the sequencer to see if I could route the MIDI from Processing to other applications, like Ableton Live and Reason. I accomplished this using the IAC Driver found in the Audio MIDI Setup utility. I routed the MIDI data to Reason to have a listen to the results, then started manipulating some of the behavior of the sequencer. Later I decided to route the MIDI to Ableton Live. After that, one thing led to another and now I have the building blocks for a new track. Here’s a rendered snippet of the MIDI data that I captured and edited for the piece.

Sine of Life

Sequence of Randomized Pitches and Durations

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I’ve been researching audio libraries for Processing recently since I will soon be starting the development of a specialized music application for personal use. I considered using MaxMSP, but Processing seems to suit this project a bit better. If you’re not familiar with Processing, it is an IDE designed for designers, artist, musicians, or anyone interested in exploring new ideas. Although it is mostly used for visual projects there are several examples of music software, like Tiction, which I wrote about in an entry titled Sound For Dali’s Melting Clocks. One of the libraries I’m investigating is called jm-Etude. It’s very easy to implement and use, and makes a few of the features in jMusic, a Java music composition project, accessible in Processing. Here’s some audio from a quick sketch designed to create a random sequence of notes. I also randomized the durations from whole notes to sixteenths, excluding tuplets for the time being.

Randomized Pitch Durations

Minim Sound Library for Processing.org

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This sound was made by manipulating the frequency and panning of a sine wave using the Minim sound library in Processing. I found that adjusting the portamento parameter has some strange and interesting results. Certain values for portamento seem to cause the sine wave to degrade into noise when manipulating the frequency of the waveform. I captured several minutes of this noise and then selected a small segment that has some unusual modulation going on.

Minim Sine Wave Experiment

 

Port of Indianola Surf

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Some people collect vials of sand from beaches they have visited, but I collect the sounds of the waves breaking on the shore. Well, it’s not much of a collection all I have so far is the Caribbean Sea while in Mexico and this example of Kitsap Peninsula surf recorded recently near the dock at the Port of Indianola in Washington. It’s a start, right?

I made several recordings at this location, but I particularly like this one that captures a sharp clicking sound made by palm sized rocks tumbling in the waves as they break on the shoreline. It was a very windy day, but despite a few bits in this example I managed to shield the wind from the PCM-50 by using a wind screen and putting my back to the wind behind the unit.

Port of Indianola Surf

 

Yet Another Pro-One Filter Sweep

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I have been using my Sequential Circuits Pro-One in the studio pretty often recently, so I decided to use it instead of of a newer keyboard for a recent performance. Unfortunately it did not work the way I had planned. Although I crave unpredictable behavior to stimulate the creative process, it is not exactly as pleasing during a live performance. The aging instrument did not stay in tune for very long and I was having trouble with the keyboard action. I imagine that it’s time for a thorough cleaning of the potentiometers and keyboard contacts. Despite these troubles, while scanning through clips recorded during the set, I came across this nice low frequency filter sweep and ran it through a ping pong delay.

Pro-One Filter Sweep