Some sort of synthesized wind noise. Sound created with the korg electribe 2 using several instances of filtered white noise. The filters are resonant and modulated. Post-processing was done in cubase. More stuff:https://www. Pond5. Com/video-sound-effects-music-after-effects-photos-illustrations-images-3d-models/1/clipbin%3a1113500. Html.
Warning! loud noise! this sound is not intended to listen to, but to do technical measurements!. This is a test recording i made to measure my headphone's frequency response. It plays a nice "left" and "right" to determine the channels. Then it plays back white noise first in both channels, then one at a time. Then the same with sine sweeps. Then short impulses.
Ambient noise and sound scape created in a mini midi studio with an akai s01 sampler , roland s10 sampler , korg wavestation sr and some other synth modules.
The sound of a metal butterfly screw on my stative. Recorded with pc microphone and lots of background noise. -- sample processed with noise reduction in audacity.