Civil siren of the "national alert signal", during tests on the first Wednesday of the month: 1 cycle of 5 periods (61 seconds).
This is a realistic montage made using this imperfect sound, so feel free to do the same to make your siren sound like what you have in mind: bigsoundbank.com/national-alert-signal-remalard-61-s3257.html. UCS Category: ALRMSirn. Duration: 01:46.
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 a group of "Bandas" (fanfare) in the streets of Argelès-Gazost, during a big musical party "Muchas Bandas", followed by another musical group.. noise of the crowd, joyful cacophony! Recorded in August 2018. UCS Category: AMBCele, CRWDCele. Duration: 01:33.
Sound of a very large industrial switch. Like that of a shed or a very large room. Like you hear in the movies. This sound was created on a computer, with a switch noise, iron bar and reverb. UCS Category: MECHClik. Duration: 00:03.