Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices – Testing of hearing aids
Reexamination Certificate
2006-03-23
2010-11-30
Ensey, Brian (Department: 2614)
Electrical audio signal processing systems and devices
Monitoring/measuring of audio devices
Testing of hearing aids
C381S312000, C381S316000, C381S320000
Reexamination Certificate
active
07844058
ABSTRACT:
A hearing aid device for processing an input sound signal via a microphone so as to output a sound signal from an earphone comprises a signal processing element, a couple of acoustic nerve excitation pattern calculation elements, a couple of acoustic filter shape memory elements, a comparison element, a correction processing element, etc. The couple of acoustic nerve excitation pattern calculation elements calculate acoustic nerve excitation patterns of a normal hearing person and a hearing impaired person based on an output signal of the signal processing element and acoustic filter shapes of the normal hearing person and the hearing impaired person which are stored in the couple of acoustic filter shape memory elements. Each of the acoustic nerve excitation patterns is compared via the comparison element. Then, the correction processing element corrects the input sound signal such that the acoustic nerve excitation pattern of the hearing impaired person is identical with the acoustic nerve excitation pattern of the normal hearing person, so as to generate an output sound signal.
REFERENCES:
patent: 2005/0141737 (2005-06-01), Hansen
patent: 2005/0185798 (2005-08-01), Camey
patent: 2001-095785 (2001-04-01), None
Kazama Michiko
Nakaichi Takeshi
Sakamoto Shin'ichi
Takahashi Yoshinori
Terada Kiyoaki
Blackman William D.
Carrier Joseph P.
Carrier Blackman & Associates P.C.
Ensey Brian
Rion Co. Ltd.
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