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I built a patch, | I built a patch, which semi- generates music under the influence of an incoming audio signal. Semi- generative should mean, that it randomly picks on predefined notes, makes changes in the note length, rhythm parts and volumes of the instruments and effects. The notes however are predefined and the “Snare” remains | ||
the only constant part of it to keep the output harmonic. All Sounds are built from cosine oscillators, with the exception of one sawtooth oscillator. | the only constant part of it to keep the output harmonic. All Sounds are built from cosine oscillators, with the exception of one sawtooth oscillator. | ||
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The randomness in the patch is produced by a network of spigots set to an adc~ to toggle between several automated faders in the patch. These faders are attached to the different musical elements and effects of the patch. | The randomness in the patch is produced by a network of spigots set to an adc~ to toggle between several automated faders in the patch. These faders are attached to the different musical elements and effects of the patch. | ||
This works through a threshold between the | This works through a threshold between the microphon input and the Spigots, resulting in the microphone input controlling the automated faders. Though the patch worked fine with the contact mic, I settled for the threshold control only and chose to avoid frequency Dependency for the Controls, as i found it impossible to set overall general values for different natural environments to control this patch. | ||
[[File:Screenshot 2019-09-30 at 19.10.58.png|400px]] | [[File:Screenshot 2019-09-30 at 19.10.58.png|400px]] | ||
Also there’s a Markov Chain like random Section, | Also, there’s a Markov Chain like random Section, which randomises the behaviour of Hi Hat, Kick Drum and alters one frequency of the MIC + OSC section | ||
[[File:markov.gif|400px]] | [[File:markov.gif|400px]] | ||
== '''The OSC Step Sequencers''' == | == '''The OSC Step Sequencers''' == | ||
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There’s two more or less similar OSC Step Sequencers, one for producing a flute type of sounds and one for the bass sounds. | There’s two more or less similar OSC Step Sequencers, one for producing a flute type of sounds and one for the bass sounds. | ||
They mainly differ in the set frequencies for having high and low notes. | They mainly differ in the set frequencies for having high and low notes. | ||
Both are connected to a pseudo random integer, | Both are connected to a pseudo random integer, which is connected to the metronome and set to a range of 60. | ||
This range has far more numbers (notes), than the sequencers can select from, resulting in random note lengths. | This range has far more numbers (notes), than the sequencers can select from, resulting in random note lengths. | ||
The flute- like Step Sequencer passes one signal (mono) to a delay line, producing a bouncy stereo effect with the | The flute- like Step Sequencer passes one signal (mono) to a delay line, producing a bouncy stereo effect with the | ||
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[[File:Screenshot 2019-09-30 at 19.05.06.png|400px]] | [[File:Screenshot 2019-09-30 at 19.05.06.png|400px]] | ||
The Kick, | The Kick, which counts 6 by default, is connected to Markov Chain’s random integer which is also set to high, | ||
resulting unforeseeable pauses within the rhythm. Along with the drums section comes a reverb line, an automated delay line and an automated high cut filter, | resulting unforeseeable pauses within the rhythm. Along with the drums section comes a reverb line, an automated delay line and an automated high cut filter, | ||
for more auditive diversity. | for more auditive diversity. | ||