Using Paulstretch Mono algorithm as a starting point, I used the Chuck programming language to generate the track.
I am aware it is indeed quite a boring / droning track but as my first foray into audio synthesis, it will do for now.
SmartBird is an ultralight but powerful flight model with excellent aerodynamic qualities and extreme agility. With SmartBird, Festo has succeeded in deciphering the flight of birds - one of the oldest dreams of humankind.
From the Stanford Testbed of Autonomous Rotorcraft for Multi-Agent Control (STARMAC) project.