Assistive Listening Systems: Crucial For Skilled Listeners With a Hearing Loss
http://www.stc.org/ConfProceed/2003/PDFs/STC50-063.pdf

Vinegar, Judy A.
STC Proceedings
2003

Abstract:

Technical communicators are skilled listeners. Whether interviewing subject matter experts or working on teams, good communication is essential. But if you have a hearing loss, assistive listening systems (ALSs) can help.