Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices
Reexamination Certificate
2007-09-06
2011-10-11
Ho, Tu-Tu (Department: 2818)
Electrical audio signal processing systems and devices
Monitoring/measuring of audio devices
C381S060000, C381S321000
Reexamination Certificate
active
08036392
ABSTRACT:
The acoustic properties of so-called instant fit ear tips, which in contrast to otoplastics are not produced individually, should be able to be better taken into consideration when adjusting a hearing aid for an individual wearer. To this end a method is proposed in which an OLG measurement, in other words an open loop gain measurement, is performed on the hearing aid when it is being worn. The OLG measurement curve obtained is compared with an OLG reference curve. A value is ascertained from the comparison which represents the level of closure of the hearing aid or of its otoplastic in the ear of the wearer. On the basis of this value the gain of the hearing aid is finally corrected. Furthermore, a corresponding adjustment device is provided. It is thus possible in a simple manner to take into consideration the individual, current level of closure during the adjustment.
REFERENCES:
patent: 7650005 (2010-01-01), Chalupper
patent: 2002/0176584 (2002-11-01), Kates
patent: 102006042083 (2008-03-01), None
patent: 2003928 (2008-12-01), None
patent: 2005081584 (2005-09-01), None
patent: 2007045271 (2007-04-01), None
Ho Tu-Tu
Siemens Audioligische Technik GmbH
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