Two helicopters landing and taking off one after the other. Sound recording during the open day of the UIISCI in Nogent-le-Rotrou in France. UCS Category: AEROHeli. Duration: 03:21.
I sing in overtone. Overtone singing is a vocal technique for producing a vocal timbre characterized by two notes of different frequencies. My first voice is a root E, my second is a whistle. more information on this song: en.wikipedia.org/wiki/Overtone_singing. UCS Category: VOXSing. Duration: 00:22.
Audio file allowing the testing and calibration of a 4.0 installation (quadriphonic), in french. Download in WAV format! If one of the channels is not audible, your device is not suitable. More info in our file on "multichannel sound". UCS Category: TEST. Duration: 00:18.
This is probably a large green grasshopper. Recorded at night, between 2 and 3 meters high, in the vegetation. Easy to loop. UCS Category: ANMLInsc. Duration: 00:11.