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The prototype interface that has been developed supports the
following access strategies: linear scanning (single sound recognition),
row-column scanning (single sound recognition), direct matrix
access (multiple sound recognition), and direct selection (multiple
sound recognition).
A field test has been completed with three non-disabled speakers.
More field tests are ongoing with two brain-injured individuals
who are unable to speak to meet their daily communication needs.
One participant controls the VAS iInterface with a click which
is the only sound that he can produce consistently. The other
participant controls the VAS Interface with two different vowel
sounds, and nasal sounds (the only sounds that she can produce
consistently).
The SBIR proposal has been submitted and approved, although
not yet funded.
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