Country soundscape: rumor, field crickets and song of birds. Sound recording on May 7, 2020 around 2:30 p.m. in France, in full confinement linked to COVID-19. UCS Category: AMBRurl. Duration: 01:44.
Sound of empty glasses being thrown into a container, in Cauterets, with the distant sound of the gave, 08-2019. UCS Category: GLASBrk, GLASImpt. Duration: 00:26.
Distance of a small propeller plane. Only after its passage over my head, we can only hear its distance. Until a bird flies away and forces me to cut the recording. UCS Category: AEROProp. Duration: 00:15.
Big drops of rain on a car windshield. These may be immediately followed by sound # 1296 (Storm and rain on car windshield). Sound recording inside the vehicle. UCS Category: RAINGlas. Duration: 01:13.
Beeps an electrocardiogram during cardiac arrest. This sound was made on computer. It is a square wave of frequency 475 Hz. UCS Category: BEEPMed. Duration: 00:23.
Several beeps of an active sonar. This is a low frequency sonar (long range but low definition). It is a sine wave of 1190 Hz frequency easy to put in loop. In reality, a military submarine usually has passive sonar, more sonar info: en.wikipedia.org/wiki/Sonar. UCS Category: BOATSub. Duration: 00:21.