The sound of a detector. Like a metal detector. Generated with a computer. This is a sawtooth wave, with a frequency of 293 Hz. UCS Category: BEEPAppl. Duration: 00:03.
Playground of a kindergarten. Sound recorded following an introduction to Sound Effects. The children speak in French. UCS Category: CRWDChld, AMBSchl. Duration: 04:29.
Recording of the passage of a truck, with the Lom brand "Geofón" contact microphone. The microphone is on a lamppost. UCS Category: AMBTraf, SCIMisc. Duration: 00:25.