Hearing device
1 Assignment
0 Petitions
Accused Products
Abstract
A hearing device utilizes the effect of forming combination tones from two different tones within the ear based on non-linear transmission characteristics of the ear. The sound signals picked up and converted into electrical signals by the microphone are transposed by a carrier frequency into a frequency range above the audible range and fed to the ear together with the carrier frequency oscillation after a conversion by a sound emitter into acoustic signals, in which through the effect of the difference tone formation the transposition is reversed again, and thus the suitably processed sound signal is once more available in the audible frequency range.
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Citations
26 Claims
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1-6. -6. (canceled)
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7. A hearing device to be worn in front of an auditory canal of a hearing device wearer without contacting a skin of an inner wall of the auditory canal, comprising:
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a microphone that receives an audible input sound signal;
a processor that processes the audible input sound signal;
an oscillator that generates a carrier oscillation having a non-audible frequency;
a mixer that transposes a frequency spectrum of the processed input sound signal according to the carrier oscillation, the transposed frequency spectrum of the processed input sound signal having a further non-audible frequency; and
a sound emitter that emits an output sound signal comprising the transposed frequency spectrum of the processed input sound signal and the carrier oscillation in the auditory canal. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method for operating a hearing device to be worn in front of an auditory canal of a hearing device wearer without contacting a skin of an inner wall of the auditory canal, comprising:
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receiving an audible input sound signal by a microphone of the hearing device;
processing the audible input sound signal;
generating a carrier oscillation having a non-audible frequency;
transposing a frequency spectrum of the processed input sound signal according to the carrier oscillation, the transposed frequency spectrum of the processed input sound signal having a further non-audible frequency;
emitting an output sound signal comprising the transposed frequency spectrum of the processed input sound signal and the carrier oscillation in the auditory canal; and
transposing the output sound signal back into an audible frequency to the hearing device wearer through a non-linear transmission characteristic of an ear of the hearing device wearer. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26)
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Specification