Mountain torrent, Hautes Pyrénées, not far from the "Ferme Basque" (near Cauterets), in the middle of a steep wood. Altitude of the sound recording: 1153m. UCS Category: WATRFlow. Duration: 03:51.
Telephone tone when the phone rings in Europe. This is a sound wave frequency of 425 Hz sinusoidal. This sound is easy to loop. UCS Category: COMTelph. Duration: 00:40.
Starting a NAS computer server. This is a Synology with 4 HDD hard drives. Fan noise, start disks one by one, then work. UCS Category: CMPTDriv, UIData. Duration: 03:28.
A small audience applauds after a piece played by a small band in a bar. Thanks to the music group "Les Accroch'Coeur": LesAccrochCoeur.com. UCS Category: CRWDCheer. Duration: 00:03.
Cinema projector (35mm Kinoton, FP30) without fan or lamp: Getting Started, then roullage extinction (Sound: Before mechanism). Can synchronize its 0070. UCS Category: COMAv. Duration: 00:41.
I sing in overtone. Overtone singing is a vocal technique for producing a vocal timbre characterized by two notes of different frequencies. My first voice is a root G, my second is a whistle. more information on this song: en.wikipedia.org/wiki/Overtone_singing. UCS Category: VOXSing. Duration: 00:15.