SOUND FILTERING SYSTEM
First Claim
1. A sound filtering system comprising:
- an internal microphone provided inside an earphone worn on a user'"'"'s ear, and configured to receive a first sound transferred from the user'"'"'s mouth through an external auditory meatus via an Eustachian tube and convert the first sound into a first sound signal;
at least one external microphone provided outside the earphone, and configured to receive a second sound provided from the user'"'"'s mouth and convert the second sound into a second sound signal; and
a controller configured to filter a noise of the second sound signal based on the first sound signal, remove the noise, and generate a third sound signal.
1 Assignment
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Accused Products
Abstract
Provided is an earset. The earset includes an internal microphone provided inside an earphone worn on a user'"'"'s ear, and configured to receive a first sound transferred from the user'"'"'s mouth through an external auditory meatus via an Eustachian tube and convert the first sound into a first sound signal, at least one external microphone provided outside the earphone, and configured to receive a second sound provided from the user'"'"'s mouth and convert the second sound into a second sound signal, and a controller configured to filter a noise of the second sound signal based on the first sound signal, remove the noise, and generate a third sound signal.
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Citations
5 Claims
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1. A sound filtering system comprising:
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an internal microphone provided inside an earphone worn on a user'"'"'s ear, and configured to receive a first sound transferred from the user'"'"'s mouth through an external auditory meatus via an Eustachian tube and convert the first sound into a first sound signal; at least one external microphone provided outside the earphone, and configured to receive a second sound provided from the user'"'"'s mouth and convert the second sound into a second sound signal; and a controller configured to filter a noise of the second sound signal based on the first sound signal, remove the noise, and generate a third sound signal. - View Dependent Claims (2, 3, 4, 5)
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Specification