With recording devices and microphones pdsounds volunteers acoustically discover the beauty of the world. From the million sounds of things to the pure waves of sinus. Our goal is to record it all and make it available for free. read more
Tram
Tram Doors open and close, hiss and beeping
By Stephan, May 7th, 2007 *tack* | Beeping | Closing | opening | shut down | Signal | Sliding Doors | Train | Tram | Single Subject | Natural | 192 kBit/s | Stereo 0:14 minutes (331.06 KB)
Public transportation in Cologne, Germany.
Opening doors, giving warning signal and shutting again.
Recordings are in the