Science fiction type sounds like machinery

une boucle. A loop

An airline pilot's announcement is nearly drowned out by ambient aircraft noise. Atlantic, Jan 2007.

Noisy device from the floor. 20120616

a helicopter recorded in the city of mainz, germany, while a high politician visited the city. recorded stereo on minidisc ...

Chorus Sound and Music. Horror and Thriller Music. Made with Free and Open Source Software: Ubuntu Gnu/Linux, LMMS Linux Multi ...

Distorted blaring with drum beat sampled on 1/4" tape and physically looped

Casino ambiance. Slot machines making noises. Indistinct music and crowd noise in background.

Weird lo-freq. sounds.

The Westland Petrel is a small pelagic bird which breeds during the austral winter in the densely forested hills of ...

little bit more direct

A synthesised sound of a power-up.

Chorus Sound and Music. Horror and Thriller Music. Made with Free and Open Source Software: Ubuntu Gnu/Linux, LMMS Linux Multi ...

very nice sound from a reaktor ensemble

Brown noise with an intermittent alarm-like blaring sampled on 1/4" tape and physically looped