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Speech Recognition is the technical name for software such as Dragon
Dictate, which lets the user dictate text instead of typing it on a
keyboard. It's been mentioned here as a godsend for PWP who have a
lot of trouble using their hands, as well as those who from keyboard
use have developed strain symptoms such as carpal tunnel syndrome.
The larynx and vocal cords, just like any other part of the body,
can be damaged by unaccustomed or excessive use. This is well known
to those who use their voice for a living, but may surprise others.

A recent series of articles in the biweekly magazine Computer Currents
warns that *excessive* use of the voice can be as damaging as excessive
typing. Without experience of any dictation software, I can only cite
from the magazine. There are two general kinds of dictation software:
The older kind required each word to be enunciated separately,
straining the vocal apparatus because of the unaccustomed accent.
Newer software permits ordinary flowing speech, but is just as harmful.
They cite:

Kambeyanda D et al:Assistive Technology 1997; vol. 9:
Four [heavy] users of SR developed severe voice problems within a year:
(loss of vocal control, endurance, or complete voice). After several
months of rehab, two tried SR again, but deteriorated so quickly they
decided to give it up. In additional anecdotes, authors report that the
newer type of software was no safer than the old kind.

Cheers,
Joe
J. R. Bruman   (818) 789-3694
3527 Cody Road
Sherman Oaks, CA 91403-5013