Using an assistive listening device to hear better in noisy environments
An assistive listening device (ALD) is part of a system used to improve hearing ability for people in a variety of situations where they are unable to distinguish speech in noisy environments. Often, in a noisy or crowded room it is almost impossible for an individual who is hard of hearing to distinguish one voice among many. This is often exacerbated by the effect of room acoustics on the quality of perceived speech. Hearing aids are able to amplify and process these sounds, and improve the speech to noise ratio. However, if the sound is too distorted by the time it reaches the listener, even the best hearing aids will struggle to unscramble the signal. Assistive listening devices offer a more adaptive alternative to hearing aids, but can be more complex and cumbersome.
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headsets, are classified as an assistivelisteningdevice and are specifically designed for clear and distinct television listening and dialogue comprehension...
cordless headphones, assistivelisteningdevices (used by the hard of hearing) and some wireless microphones. Any low power radio devices operating in the...
hands-free headsets or headphones Bone-anchored hearing aids and assistivelisteningdevices Specialized communication products (e.g. for underwater or high-noise...
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computer technology (including voice activated and speech output), Assistivelisteningdevices, Films/videotapes about disabilities, Kurzweil personal reader...
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