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:
Jan. 07, 2014
Filed:
Aug. 04, 2010
Jesper Bünsow Boldt, Smørum, DK;
Ulrik Kjems, Smørum, DK;
Michael Syskind Pedersen, Smørum, DK;
Mads Graesbøll Christensen, Klarup, DK;
Søren Holdt Jensen, Gistrup, DK;
Jesper Bünsow Boldt, Smørum, DK;
Ulrik Kjems, Smørum, DK;
Michael Syskind Pedersen, Smørum, DK;
Mads Graesbøll Christensen, Klarup, DK;
Søren Holdt Jensen, Gistrup, DK;
Oticon A/S, Smorum, DK;
Abstract
The invention relates to a method of identifying and correcting errors in a noisy binary mask. An object of the present invention is to provide a scheme for improving a binary mask representing speech. The problem is solved in that the method comprises a) providing a noisy binary mask comprising a binary representation of the power density of an acoustic signal comprising a target signal and a noise signal at a predefined number of discrete frequencies and a number of discrete time instances; b) providing a statistical model of a clean binary mask representing the power density of the target signal; and c) using the statistical model to detect and correct errors in the noisy binary mask. This has the advantage of providing an alternative and relatively simple way of improving an estimate of a binary mask representing a speech signal. The invention may e.g. be used for speech processing, e.g. in a hearing instrument.