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About Inferno Sound Barriers
The Inferno patended sound is designed
to interfere with the middle ear and the
sense of balance.
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Despite door locks, alarms, gates, surrounding walls with razor wire on top, and armed security guards burglaries still occur.
Regular alarms and security are told to stop criminals. But it doesn’t, right? And if you’re lucky having a CCTV you might be able to watch it all on video afterwards. But that’s about it.
Regular alarms doesn’t stop any intruders, and never has.
-Until now.
A regular siren uses one, maybe two sound frequencies at a level of 100 to 115 dB. The level and the characteristics of the regular sirens’ sound are bearable for the human ear and senses. Inferno is not.
Inferno is a state of the art alarm siren invented in the mid 90's as a device to protect Swedish military installations. The patented sound generated is designed to interfere with the inner ear and sense of balance. The intolerable sound generated is specially designed to make an intruder leave the premises before he steals anything at all. The sound alternates over four individual sound frequencies at a level of 125 dB. This patented sound is designed to be so unbearable that the intruder finds it impossible to stay at the scene of crime.
Why the sound barrier?
Due to typical response times neither conventional alarm systems nor security guards halts intruders, neither do the police. As for now intruders act with impunity, feeling safe in the knowledge that nobody dares intervene, and when security finally arrives, the intruders will be long gone. If one doesn’t have security guards on-site 24/7, until now there’s no way to forcibly evict an intruder.
There exists a great variety of products to dissuade the intruder from entering (gates, fences, grates, walls, razor wire, door locks), and equally many to detect and monitor him once he's in. However nothing of it will force him to leave - until now.
How it works:
The patented sound produced by Inferno is a highly complex spectrum that is extremely disruptive to the human brain. It produces four individual tones (frequency range 2-5kHz) simultaneously, and forces these tones to oscillate wildly and rapidly.
The alarm sounds with four altering frequencies at a level of 125 decibels. The sound creates vibrations between the inner ear and sense of balance which cripples the victims of the alarm. Intrusion must be stopped and the thief has to leave the site. To simplify the explanation one can say that the siren builds a wall of sound that is very difficult to penetrate, and the longer he’s exposed to the sound, the worse he feels. It’s a sensation similar to sea-sickness.
The dynamic nature of the resultant spectrum renders the brain incapable of identifying and thus "blocking out" the noise - which is exactly what it does to the simple and static twin tones of a conventional alarm system siren. However, the sound spectrum is only one part of this security system.
Amplified and broadcast at 125dB, the consequential effect is almost incapacitating. As the seconds pass and the brain fails to deal with the extreme sound, the intensity builds rapidly until the command to retreat is issued. Failure to depart from the protected zone provokes differing reactions from nausea and inability to concentrate or communicate, to disorientation as well as vertigo.
The dynamic nature of the spectrum has a beneficial side effect: it is extremely difficult to locate the source of the sound, ensuring that the intruder cannot readily eliminate the cause of distress.
Compatibility:
Inferno sound barriers are compatible with all existing security systems, and are easily retrofitted - they can either replace or operate in tandem with an existing security siren. They merely require a 12V source to keep the internal battery charged, and a trigger signal - meaning that existing 4-core cable is more than sufficient. Multiple units can be installed, either in series or parallel.
All sound barriers are fully functional without main power. This fact means that the units will continue to sound even when the power supply is cut. Several complete, stand-alone mobile systems are available - which opens up Inferno security for service vehicles, boats, mobile homes and temporary storage/offices. One of these systems is capable of being operated and monitored via SMS.
Security applications:
Inferno sound barriers are suited to a vast range of applications - from retail outlets to warehouses, factories, banks, server rooms, secluded areas, commercial and residential premises. A list of other suitable applications can be found here.
Available in more than 13 countries world-wide, current clients including 200 Boots Pharmacies in the UK super-chain and over 1000 Expert Consumer Electronic Stores across Scandinavia and Northern Europe. A significant milestone was recently realized when the U.S. Department of State approved the Inferno Intenso for use in its embassies worldwide. View testimonials.
Several insurance companies in Scandinavia now refuse to insure high-risk customers unless an Inferno sound barrier is installed, whilst others offer reduced premiums and excesses to businesses and residences where a sound barrier is part of the security system.
Is it safe?
Just like the Swedish Volvo cars, Inferno is safe. Despite the extreme capability of the Inferno Sound Barrier, a study by Stockholm's Royal Institute of Technology's Technical Acoustics department concluded that "the sound barrier is harmless” and that only frequent & prolonged exposure would cause hearing damage. Download the full report.
The sound barrier does not exceed the parameters established by the prestigious internationally recognized ISO standard entitled "Noise Induced Hearing Impairment". It does not breach the audible siren limit of 130dB as defined in the joint Australian/NZ standard entitled "Intruder Alarm Systems." Nor does it contravene OSH/H&S regulations which define a 140dB peak limit. The physical effects of exposure disappear shortly after the sound barrier is switched off. Legal information for the sound barrier.
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The world's foremost expert in non-lethal technology, Sid Heal, had this to say of the Inferno:
"All non-lethal agents are debilitating, not incapacitating. The human brain is susceptible to certain frequencies that have nothing to do with volume. InfernoTM sound barriers don't just make it difficult to remain in an area - they force you to leave."
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