- Assistive Listening Devices
Article from the American Speech - Language Hearing Association. Even if you have a hearing aid, assistive listening devices can help reduce stress and fatigue in many day-to-day communication situations. There are many kinds of amplification ALDs, including FM and infrared systems. There are also alerting devices such as fire alarm devices, baby-cry devices, and vibrating clock alarms.
(Added: Sun Aug 07 2011)