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We
need two ears...
Our two ears act like radar antennae to register signals coming
from multiple directions. The complex structures of each ear process
the received signals and pass them to the brain where we create
meaning from our acoustic environment.
Take,
for example, the sound of an approaching truck: the nearest ear
receives the sound microseconds earlier than the other and a little
louder. Using the finely processed acoustic information from each
ear, the brain has the capacity to calculate the direction of
the truck's approach and we also "know" approximately how close
it is.
Some
of the advantages of two, properly functioning ears:
- excellent
sound localization skills
- much
easier speech understanding in noisy situations
- the
richest sound quality
- an accurate
judgement of loudness
This
article courtesy of Phonak
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