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.
Starting a steam locomotive. Strangely, it's faster and makes less noise than I imagined. Recording from the train station, in the town of Martel, France. UCS Category: TRNSteam. Duration: 00:39.
Ambiance sound from the "Chêne Fauteuil", a remarkable large oak, in the forest of Senonches, Eure et Loir (28), France. Birds, wind, rumors. UCS Category: AMBForst. Duration: 04:33.