Telephone beep of an answering machine. This is a sound wave of 825 Hz sinusoidal frequency. This sound is easy to loop. UCS Category: COMTelph. Duration: 00:01.
Small waves in English Channel recorded facing the sea on the beach of Houlgate, Calvados, Normandy, France. UCS Category: WATRWave, WATRLap. Duration: 02:17.
In signal processing, white noise is a random signal having equal intensity at different frequencies, giving it a constant power spectral density (en.wikipedia.org/wiki/White_noise). A sound to use only wav, aiff or flac formats, because the other formats denature the interest of the sound. UCS Category: TEST. Duration: 05:00.
Small brook, blackbird, fly, birds, 2 different sounds of the brook (on the left, a deeper "meander" and on the right another shallower one, so I put myself in the middle!). Forest of Signy-l'Abbaye (Ardennes). UCS Category: AMBForst. Duration: 05:00.
Sound atmosphere of a cave. Created on computer, with sounds from LaSonotheque: Rain, drops of water and reverberation. Easy to loop. UCS Category: AMBUndr. Duration: 01:11.
Alarme d'incendie que l'on retrouve généralement dans les collectivités (Lycées, collèges, centres, etc.). Same sound as #0268 and #2250, but longer. Difficult to loop. UCS Category: ALRMElec. Duration: 00:39.
Country soundscape in the evening, in a meadow. Field crickets, rare frogs. Recorded on May 5, 2020 around 10 p.m., in France. UCS Category: AMBRurl. Duration: 04:59.