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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.:

US 10674301 B1

PDFFull Text
Date of Patent:
Jun. 02, 2020

Filed:

Aug. 22, 2018

Fast and memory efficient encoding of sound objects using spherical harmonic symmetries

Applicant:

Google Llc, Mountain View, CA (US);

Inventors:

Marcin Gorzel, Dublin, IR;

Andrew Allen, New York, NY (US);

Assignee:

Google LLC, Mountain View, CA (US);

Attorney:
Primary Examiner:

Paul W Huber

Int. Cl.
CPC ...
H04S 5/00 (2006.01); H04S 3/00 (2006.01); H04S 7/00 (2006.01); G10L 19/008 (2013.01); H03G 3/30 (2006.01);
U.S. Cl.
CPC ...
H04S 5/005 (2013.01); G10L 19/008 (2013.01); H04S 3/00 (2013.01); H04S 3/008 (2013.01); H04S 7/304 (2013.01); H03G 3/301 (2013.01); H04S 2400/11 (2013.01); H04S 2400/15 (2013.01); H04S 2420/01 (2013.01); H04S 2420/11 (2013.01);
Abstract

A method of encoding sound objects includes receiving a set of monophonic sound inputs. Each of the set of monophonic sound inputs includes position and orientation information of a sound object relative to a source position. The set of monophonic sound inputs are encoded into a higher order ambisonic (HOA) sound field in a spherical harmonics domain based on a spherical harmonics dataset including a subset of all spherical harmonic coefficients for a given subset of azimuth and elevation angles. Some embodiments include decoding the HOA sound field to generate a set of loudspeaker signals.

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Gorzel, Marcin. (2020). Fast and memory efficient encoding of sound objects using spherical harmonic symmetries (U.S. Patent No. 10674301). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10674301

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