Orbit

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OrbitTM

Orbit uses a genetic algorithm to optimize for a set of pre-determined quantitative dissonances that are derived from set theory. Using combinatorial techniques, six membered note sets are chosen for the calculation, and later assembled into a 12-tone set. These sets are iterated until the desired dissonance is obtained. Then, a tone is chosen to act as sort-of a center-of-mass, and the dissonant sets are places around this tone, giving a quasi-tonal sound to the piece of music. A two-dimensional Tonnetz is used as a map for calculating the melody. Using some elements of group theory the melody is iterated many times using the genetic algorithm to find an optimal value of dissonance with respect to the above sets. Orbit can be applied to many fields such as background music for the motion picture industry, video games, advertising, and simply listening to the music.

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