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.

Date of Patent:
Dec. 03, 2019

Filed:

Dec. 12, 2017
Applicant:

Oticon A/s, Smørum, DK;

Inventors:

Martin Kuriger, Berne, CH;

Bernhard Kuenzle, Berne, CH;

Assignee:

OTICON A/S, Smørum, DK;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01); H04S 7/00 (2006.01); G10L 21/0208 (2013.01);
U.S. Cl.
CPC ...
H04R 25/505 (2013.01); G10L 21/0208 (2013.01); H04R 25/453 (2013.01); H04S 7/305 (2013.01); G10L 2021/02082 (2013.01); H04R 25/558 (2013.01); H04R 2225/41 (2013.01); H04R 2225/43 (2013.01);
Abstract

The application relates to a method of reducing reverberation in an audio processing device and to an audio processing device. The object of the present application is to provide an alternative method of reducing noise, e.g. reverberation, in a sound signal. The method comprises the steps of a) providing a time variant electric input signal representative of a sound; b) providing a logarithmic representation of said electric input signal; c) providing a predefined statistical model of the likelihood that a specific slope of the logarithmic representation of the electric input signal is due to reverberation; d) identifying time instances of the electric input signal being reverberant according to the statistical model; and e) applying an attenuation to the time instances identified as reverberant. This has the advantage of providing an enhanced sound signal. The invention may e.g. be used for enhancing noisy, e.g. reverberant, signals.


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