Several beeps of an active sonar. This is a low frequency sonar (long range but low definition). It is a sine wave of 1040 Hz frequency easy to put in loop. In reality, a military submarine usually has passive sonar, more sonar info: en.wikipedia.org/wiki/Sonar. UCS Category: BOATSub. Duration: 00:21.
Singing a field cricket. Present in France, the field cricket digs a hole in the sunny plains and sings to seduce the female. UCS Category: ANMLInsc. Duration: 00:36.
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: 00:06.
Telephone tone when the phone rings in Europe. This is a sound wave frequency of 440 Hz sinusoidal. This sound is easy to loop. UCS Category: COMTelph. Duration: 00:40.
Strong wind in a tree and a patch of jail. Noise needles of a pine tree, a bird cries, wind variable. Learn to imitate the sound of the wind www.libertivi.com/lelabodubruiteur_122. UCS Category: WIND. Duration: 01:18.
