These so-called plate bells were hung from shelves so that their distinctive sound could be heard from far away. The use of alarm bells goes back all the way to the Egyptians and the time of the Pharaos. Alarm Bells were sufficient pre-Industrialisation As we can see, alarm systems and siren sounds have been part of our society since the dawn of mankind. Instruments like trumpets and trombones are derived from these early horns. After the discovery of various metals, people began to manufacture signal horns for military use. Even in the Stone Age, drums and animal horns were used to spread messages far and wide. The necessity for a signal sound to inform or warn members of a society is not a recent invention. Alarm and Siren Sounds back in the Stone Age The Avosound Online Archive contains more than 1,000 recordings of alarm sirens, police sirens, Aerosol air horns, recordings of a Klaxon horn and many other alarm sounds. Traditionally, sirens were entirely mechanical, motorised constructions, but nowadays they are increasingly being replaced by electrical signals or even mobile phones. These are good reasons to take a closer look at the characteristic sound of an alarm siren. For victims of war, the unnerving sound of an alarm siren is a harbinger of terror, deeply ingrained in their traumatised souls. While the main purpose of sirens is to save lives, they can also become a symbol of death and destruction during wartime. Alarm Sirens: What to do in case of a Siren Alarm?.This is the Sound of various Alarm Sirens.When the Storm breaks, the Siren speaks.Talking Sirens: Using Alarm Systems as a PA.The Klaxon siren sound in the Star Wars movies.Benefits of Pneumatic Sirens compared to Mechanical Sirens.American Sirens: Sirens for Alarm and Attack.The Cold War: From Air Raids to Nuclear Alarm.The simultaneous high and low point: WWII air raid sirens.Alarm Bells were sufficient pre-Industrialisation.Alarm and Siren Sounds back in the Stone Age.Alarm Sirens - Types of Sirens - Siren Sounds.Alarm sirens are installed around the world to warn about potential threats and dangers.įor some, the sound of a siren is an everyday reminder that work is over to others, sirens are a nuisance - particularly if they are being tested frequently (and if they happen to be installed next to your home).

Author: Guido Helbling, Avosound - Last updated November 7th, 2018Īlarm sirens - you will find them on pylons and rooftops, in industrial quarters, prisons and even on beaches.

Red alert sound effect