Good vibrations: Devices aid the deaf by translating sound waves to vibrations

(PhysOrg.com) -- Lip reading is a critical means of communication for many deaf people, but it has a drawback: Certain consonants (for example, p and b) can be nearly impossible to distinguish by sight alone.

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<p><a href="http://www.physorg.com/news154884567.html">Good vibrations: Devices aid the deaf by translating sound waves to vibrations</a></p> <p>(PhysOrg.com) -- Lip reading is a critical means of communication for many deaf people, but it has a drawback: Certain consonants (for example, p and b) can be nearly impossible to distinguish by sight alone.</p>