This sound is the original. On October 4, 1957, the first artificial satellite took off: Sputnik 1. With its 83 kilos and 58 cm in diameter, it will revolve around the Earth in an elliptical orbit, between 288 and 947 kilometers in altitude. , emitting this characteristic "beep beep" broadcast by all the radios in the world. UCS Category: COMTran. Duration: 00:11.
Song of robin, a garden bird. He cries from a tree, spacing his songs for 2 to 3 seconds, then stops, changes his tree and starts again a few dozen times and so on around his territory. UCS Category: BIRDSong. Duration: 00:02.
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.
Telephone tone when the line is busy, in France. This is a sound wave frequency of 440 Hz sinusoidal, slightly clipped. Half a second, every second. This sound is easy to loop. UCS Category: COMTelph. Duration: 00:10.
Passage of a steam locomotive in a small tunnel. Buzzer at entry and exit. Check-in from the first car. Recording in the town of Martel, France. UCS Category: TRNSteam. Duration: 01:13.