I created a sound by playing with its envelope then i cut it and repeated. Then half the time i insert a linear sinusoid noise at 440 hz and 0. 8 amplitude.
Inspired by a drawing posted on airradsirens. Com some time ago, a huge siren that is a hybrid of a thunderbolt and a hurricane siren, supercharged by a large industrial air compressor. You do not want to be anywhere close to this beast when it goes off!.
Today in germany used electronic siren to alert population in case of danger. Listen to your local radio station for further information. Recorded with zoom h4n on top of the roof 1/2 mile away from the siren.
Today in germany used electronic siren with permanent sound to inform population when there is no more danger. Recorded with zoom h4n on top of the roof 1/2 mile away from the siren.
This is a nice stereo recording of a police car approaching from the distance with it's siren wailing and it passes and disappears into the distance. Recorded with: fostex fr2le, bp4025.
Ambiance sound of distant fireworks during guy fawkes day in the uk. Light city traffic, residential area background and some sirens every now and then. Could be used as distant explosions or gunshots with a bit of editing. Stereo xy recording using two shotgun mics on a zoom f8. 48khz/ 24bit.
Siren effect with digitally controlled frequency sweep using 96khz crystal controlled oscillator, 8-bit binary counters set up as a variable frequency divider. I added slight reverb.
An approximation of a 3-toned engine powered/blower stationary air raid siren so powerful that it has to be set on a hill at least 2 miles from a population center. Based on a chrysler engine powered siren.