Ad
related to: emergency call sound effectepidemicsound.com has been visited by 100K+ users in the past month
Search results
Results from the WOW.Com Content Network
A distress signal, also known as a distress call, is an internationally recognized means for obtaining help.Distress signals are communicated by transmitting radio signals, displaying a visually observable item or illumination, or making a sound audible from a distance.
Rumbler siren. A Rumbler siren is a type of emergency vehicle siren used primarily in the United States.Developed in 2007 by Federal Signal Corporation, and sounding at a low-frequency level, it is designed to be heard by motorists who may otherwise be unable to hear high-frequency sirens due to ambient noise, such as urban traffic.
Sound sample ⓘ An 1860s-era siren. [2] A siren is a loud noise-making device. There are two general types: mechanical and electronic. Civil defense sirens are mounted in fixed locations and used to warn of natural disasters or attacks. Sirens are used on emergency service vehicles such as ambulances, police cars, and fire engines.
CBS defended the statement, saying that the tones' usage was a "dramatic portrayal", and that it was an "integral part of the storyline about a family's visceral reaction to a life-threatening emergency". The show's sound editors achieved the effect by downloading EAS tones from YouTube and modifying the volume of the tone.
The PASS device sounds a loud (95 decibel) [1] audible alert to notify others in the area that the firefighter is in distress. On a fireground, the sound of an activated PASS device indicates a true emergency and results in an immediate response to rescue the firefighters in distress.
Mayday is an emergency procedure word used internationally as a distress signal in voice-procedure radio communications.. It is used to signal a life-threatening emergency primarily by aviators and mariners, but in some countries local organizations such as firefighters, police forces, and transportation organizations also use the term.
The sound emitted can also have the effect of distracting, disorienting, or surprising the assailant. The volume varies from model to model, with some models having 130 decibels . Some personal alarms are also outfitted with an LED light for normal lighting purposes or to help deter an assailant.
The alarm must be loud enough to be heard in both interior and exterior spaces. The minimum volume is defined both as an absolute value and also as a value louder than normal sounds in the area. [4] It must be loud enough to wake sleepers in cabins. [5] The general emergency signal has to be supplemented by a public address system. The PA ...
Ad
related to: emergency call sound effectepidemicsound.com has been visited by 100K+ users in the past month