Tag Archives: Processing.org

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

 

Sound For Dali’s Melting Clocks

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I created this track using Tiction (recently featured on CDM), an interesting piece of MIDI sequencing software created by Hans Kuder and developed in Processing. Tiction works by connecting nodes together to form loops. Each node has properties that can be adjusted like the number of “tics”. Dragging the nodes around the screen changes the pitch and volume of the nodes. I routed the MIDI output from Tiction into MDA’s DX10 while dragging and adjusting the nodes on the screen. After capturing the output I processed it through Pluggo’s Comber and a little bit of reverb. Here I have rendered the first fifty seconds as an excerpt for today’s sound.

Melting Clocks