Car alarm Car alarm A car alarm is an electronic device installed in a vehicle in an attempt to discourage theft of the vehicle itself, its contents, or both. Car alarms work by emitting high-volume sound (often a vehicle-mounted siren, klaxon, pre-recorded verbal warning, the vehicle's own horn, or a combination of these) when the conditions necessary for triggering it are met. Such alarms may also cause the vehicle's headlights to flash, may notify the car's owner of the incident via a paging system, and may interrupt one or more electrical circuits necessary for the car to start. Although inexpensive to acquire
Hoover sound Hoover sound Hoover sound refers to a particular synthesizer sound in electronic music, commonly used in gabber and hard house. Originally called the ""Mentasm"" or ""Dominator"", the name that stuck was the one likening the sound to that of a vacuum cleaner (often referred to via the genericized trademark "hoover" in the UK and Ireland). The Hoover is a complex waveform that can be created with three oscillators, each spaced an octave apart, a heavy use of pulse-width modulation and a thick chorus effect. The sound is characterised by its thick swirliness that stems from a fast LFO controlling the