2,470 Royalty-Free Audio Tracks for "B"

Sounds like a 50's b-movie of a space ship flying. This is an example of digital signal processing since this was created from recordings of random household objects in a studio.

Ambisonic b-format recording recorded with the coresound tetramic. *note: you will need to decode this b-format ambisonic file with a plug-in such as the (free)surroundzone2 which allows you to decode the file to a surround, stereo, or mono format. Also note that these are fuma bformat files (and opposed to ambix bformat).