Audio file allowing the testing and calibration of a 4.0 installation (quadriphonic), 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: 00:18.
This is a sound file to calculate the speed of sound propagation in air. Two microphones 50 centimeters 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.
Cinema projector (35mm Kinoton, FP30) vacuum. Ventilation and lamp off: Getting Started, roullage and extinction (Sound: Behind projector). Can be synchronized with the sound n ° 0069. UCS Category: COMAv. Duration: 00:40.
Crackers, snappers, whippersnappers, pop-its, bang-snaps: Throwing firecrackers on the ground. They contain small amounts of silver fulminate and gravel. 4 clicks. UCS Category: FRWKRec. Duration: 00:03.