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The International Hearing Loop Manufacturers Association (IHLMA) created a guide to and comparison of Available Assistive Listening Technologies (2021).
In the guide, IHLMA notes:
“People with hearing loss of all levels, frequently exhibit a disproportionate amount of difficulty understanding speech in the presence of noise. This is especially the case in situations where desired speech signals are weakened by distance, and contaminated by noise and reverberation, before arriving at the listeners’ ears or hearing aids. This is where assistive technologies can be of help.”
They also note:
“There is a myriad of assistive listening technologies available today and some exciting developments to come. This guide highlights the advantages for end users and operators, user experience, system limitations, applications, compliance and applicable standards associated with each technology, along with a brief description of how each technology works.”