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.
Running a steam locomotive. Recording between the locomotive and the first wagon, in the town of Martel, France. UCS Category: TRNSteam. Duration: 00:34.
Crackers, snappers, whippersnappers, pop-its, bang-snaps: Throwing firecrackers on the ground. They contain small amounts of silver fulminate and gravel. 4 clicks. UCS Category: FRWKRec. Duration: 00:03.
Center of the town of La Loupe (28) after the start of the Tour d'Eure et Loir: Few cars, dismantling of equipment. UCS Category: AMBSubn. Duration: 03:18.
Two helicopters starting 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: 03:54.
Noise of a wind turbine turning. The microphone is directed towards the pale ones. I am about 200 meters from the mast. UCS Category: MOTRTurb. Duration: 01:06.