Electrical audio signal processing systems and devices – Hearing aids – electrical – Remote control – wireless – or alarm
Patent
1997-10-21
2000-02-08
Tran, Sinh
Electrical audio signal processing systems and devices
Hearing aids, electrical
Remote control, wireless, or alarm
381312, H04R 2500
Patent
active
060235179
ABSTRACT:
A digital hearing aid enables a user to distinguish an alarm sound from other environmental sound. The hearing aid includes a control unit for determining amplifications for respective frequency band required for acoustic sense compensation on the basis of the result of analysis by an analyzing unit, the hearing characteristics data from a storage unit, and presence and absence of the alarm sound per respective frequency bands from an alarm sound detecting unit for feeding amplification data, and an acoustic sense compensating unit for receiving the input data from an input unit and amplification data from the control unit, for performing an acoustic sense compensating process to increase amplification of the frequency band containing the alarm sound to be greater than those of other frequency bands when the alarm sound contained in a specific frequency band is detected by the alarm sound detecting unit, for outputting.
REFERENCES:
patent: 4237449 (1980-12-01), Zibell
patent: 4689820 (1987-08-01), Kopke et al.
patent: 5867581 (1999-02-01), Obara
patent: 5892836 (1999-04-01), Ishige et al.
NEC Corporation
Tran Sinh
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