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.
Soundscape in the forest of Senonches, in Eure et Loir (28), in France. Recorded on April 9, 2022 around 4 p.m. UCS Category: AMBForst. Duration: 24:47.
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.
Telephone tone when the line is busy, in France. This is a sound wave frequency of 440 Hz sinusoidal, slightly clipped. Half a second, every second. This sound is easy to loop. UCS Category: COMTelph. Duration: 00:10.
The few metallophone notes (C G E), as in the 1000 euros game on France Inter, formerly "thousand francs game". I wrote an article about this sound, on the blog. UCS Category: MUSCChim. Duration: 00:03.