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When Old Becomes New: Hearing Loop Assisted Listening Systems
As more of our nation is diagnosed with hearing loss, it's important that we offer our parishioners the best assisted listening options possible.
A hearing loop is installed. Please switch your hearing aid to T-coil.
Audio Basics, Worship Audio, Gary ZandstraIt’s always interesting to see old technology become new again.
We see it daily in our lives, but I’m referring to a specific type of old tech; hearing loops.
The technology, which is correctly known by the name of inductive loops, has been in existence for decades.
Based on Faraday’s law of induction, a magnetic field is created and individuals that have a Telecoil (t-coil) equipped hearing aid, can receive audio signals directly in their hearing aid.
A “loop” is a relatively low-tech solution. In simple terms an area is surrounded “looped” with a piece of copper wire.
An amplifier drives signal down that wire creating a magnetic field inside the “loop”.
To receive the magnetic signal a person inside of the field simply has to switch their hearing aid to the “T” (t-coil) position.
With the current ADA (American Disabilities Act) requirements and an aging population, providing a loop based hearing assistance system can be beneficial not only for compliance but also for the convenience of our parishioners.
“Hearing loss is a significant issue. As the baby boomers come of age, the years of industrial sounds and/or noise pollution coupled with exposure to loud music has accelerated the problem,” says Todd Billin of Hearing Loop Systems.
With 36 million of Americans reporting hearing loss and over 8 million already outfitted with hearing aids, the need for hearing loops continues to grow.
There has been no stronger advocate than David G. Myers, PhD, Professor and Social Psychologist at Hope College.
When visiting Europe and attending a service at an old cathedral, Dr. Myers noticed a sign on the wall and remembered the words of the audiologist he purchased the hearing aids.
He knows upon seeing the “Hearing Loop Installed” sign that if he flipped a switch on his hearing aid he’d be tapping directly into the house audio.
Sure enough, from the moment Dr. Myers flipped that switch he has been and continues to be a huge supporter of the technology.
He is the creator of hearingloop.org, a website that provides education and information on hearing loops.
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Topics:
Church Sound, Feature, Poll, Audio, Digital, Monitoring, Signal, Sound Reinforcement, System, Wireless,
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Comments (6) Most recent displayed first | All comments in chronological order
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The lack of including a telecoil in every hearing aid sold is an education problem. If audiologists and hearing aid practitioners shared the benefits of telecoil usage with their clients AND demonstrated that in their offices with an office or waiting room loop system, telecoil and audio loop (AFILS) implementation and usage would skyrocket and hard of hearing people would harvest the benefits.
Bill
www.betterhearingsolutions.ca
In New Zealand public buildings that cater for over 250 people are required to provide hearing assistance systems. The Induction Loop system is usually the best option for the building owner as the receivers are the hearing aids already owned by the hearing impaired. Batteries and hygiene are not a problem for the building owner. Also tracking and collecting the receivers after an event are not an issue. If the hearing aid is not set to use the T coil the user should request this be activated by their audiologist. (Some hearing aid manufacturers are making grand claims about their aids but the reality is the good loop system will be far superior to using the built in microphone when in a large reverberant space.
The Infra red systems seem to have a problem with shadows if not in clear line of sight of the emitter panel. With the changing RF environment choosing an RF FM system is a bit risky in some parts of the world. There are dedicated frequencies for hearing assistance but it is difficult to obtain suitable equipment in New Zealand that we can use on those frequencies.
Gordon Prier
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