The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 08, 2025
Filed:
May. 30, 2023
Alango Technologies, Tirat Karmel, IL;
Alango Technologies, Tirat Karmel, IL;
Abstract
The invention relates to a method of suppressing undesired noise in a hearing aid, the hearing aid comprising a handheld unit, in which a microphone is integrated, and another microphone located externally of the handheld unit and connected thereto. The method includes the steps of converting a signal from the integrated microphone and a signal from the external microphone into digital signals; dividing the digital signal from the integrated microphone and the external microphone into frequency sub-bands, computing the current spectral amplitude of the integrated microphone sub-band signal and the current spectral amplitude of the external microphone sub-band signal; computing the ratio of the current spectral amplitude of the external microphone sub-band signal to the current spectral amplitude of the integrated microphone sub-band signal; modifying the integrated microphone sub-band signal according to the calculated ratio; and computing a full-band output signal from the integrated microphone sub-band signals.