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7) Laryngophone
The laryngophone is a type of microphone that
captures sound in contact with the neck. Contact
capture eliminates or at least reduces environmental
noise, where other microphones
would not work well because the voice would be
overpowered by background noise. This type of
microphone can even capture whispers, and works
well in environments where people need to remain
silent while communicating with others over long distances, such as during a
covert military operation. Laryngophones were used intensively in airplanes
during the Second World War, and by crews in German tanks. New singleelement designs are available that make the laryngophone much more
comfortable to wear than older models. Additionally, this next generation of
throat microphones provides varying outputs and frequency responses to
accommodate a wide variety of communication devices such as digital and
analog portable radios, Tetra & P25 systems, and cellular phones. In diving,
they are very useful for amphibious operations in which most activity takes
place on dry land. A user opting for a conventional mask over a full face mask
means accepting a reduction in quality. This is because of the difficulty in
speaking with the regulator in your mouth. This also provides indisputable
flexibility and comfort for activities on land. In any event, laryngophones
require either a wired or wireless transmission system.
OCEAN REEF UNDERWATER COM.Distinctive Specialty Course - rel 1.2 2011/05
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