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:
Nov. 27, 2018

Filed:

Nov. 24, 2014
Applicant:

Dolby Laboratories Licensing Corporation, San Francisco, CA (US);

Inventors:

Zhiwei Shuang, Beijing, CN;

David S. McGrath, Rose Bay, AU;

Michael W. Mason, Wahroonga, AU;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04S 7/00 (2006.01); H03G 9/02 (2006.01);
U.S. Cl.
CPC ...
H04S 7/307 (2013.01); H03G 9/025 (2013.01); H04S 7/306 (2013.01); H04S 2420/01 (2013.01); H04S 2420/07 (2013.01);
Abstract

Embodiments of the present invention relate to audio signal processing. Specifically, a method for processing audio signal is provided, the method comprising: determining, for a current frame of the audio signal, frequency band energies for a plurality of predefined frequency bands at least partially based on frequency parameters of the current frame; generating frequency band gains for the plurality of predefined frequency bands by processing the frequency band energies; and generating frequency bin gains for the current frame based on the frequency band gains using predefined frequency band filter banks, the frequency band filter banks being specific to the plurality of predefined frequency bands. Corresponding system and computer program product are also disclosed.


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