I take an escalator going up, coming out of the metro. Recording in motion, from bottom to top, then moving away. UCS Category: MACHEscl. Duration: 00:30.
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 D, my second is a whistle. more information on this song: en.wikipedia.org/wiki/Overtone_singing. UCS Category: VOXSing. Duration: 00:18.
Audio file allowing the testing and calibration of a 2.1 installation, in french. Download in WAV format! If one of the channels is not audible, your device is not suitable. More info in our file on "multichannel sound". UCS Category: TEST. Duration: 00:14.
This is a sound file to calculate the speed of sound propagation in air. Two microphones 1 meter apart and a movie clapperboard to generate a sharp sound. Follow this tutorial to perform the experiment: lasonotheque.org/education-sonore-f4.html#propagation. UCS Category: TEST. Duration: 00:01.