This sound is made up with 3 differents sounds :. - the first is a 440hz sinusoide with a phaser effect during the entire time of the sound. - the second is a 440hz sawtooth with a wahwah effect during the entire time of the sound. - the third is a 440hz square whistle with a reverse direction. Also, i increased the speed of these sounds and i repeated them 3 times for a duration of 3 seconds approximately.
Author: Iut Paris