Noise of the Parisian ring road when the traffic is dense and difficult. Sound from the cockpit of my car, rolling. UCS Category: VEHInt, AMBUrbn. Duration: 01:20.
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.