Sound of the 2 note tuning of my upright piano. These are the "A" and the "D" (the lower fifth). You will first hear the 1st string of "A" (right), then with the 2nd (wrong) that I will tune, then the last will be tuned to finish. The "la" is therefore correct. Ditto for the "re". You will hear the sound of the tuning key for the 2 notes. Non-stop recording, without faking. UCS Category: MUSCInst. Duration: 02:18.
Telephone tone when the line is busy, in France. This is a sound wave frequency of 440 Hz sinusoidal. Half a second, every second. This sound is easy to loop. UCS Category: COMTelph. Duration: 00:10.
Very big modern train horn. It is a construction train, stationary (no Doppler-Fizeau effect). Sound recording at about 100 meters. UCS Category: TRNHorn. Duration: 00:07.
Moo or bêh box that we turn and return to imitate (moderately) the mooing of a cow or the bleating of a sheep or a goat. UCS Category: ANMLFarm. Duration: 00:37.
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.
