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:
Mar. 31, 2020

Filed:

Jun. 05, 2018
Applicant:

Apple Inc., Cupertino, CA (US);

Inventors:

Ismael Nawfal, Los Angeles, CA (US);

Symeon Delikaris Manias, Helsinki, FI;

Joshua D. Atkins, Los Angeles, CA (US);

Assignee:

APPLE INC., Cupertino, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04S 5/00 (2006.01); H04S 3/00 (2006.01); H04R 5/02 (2006.01); H04S 7/00 (2006.01);
U.S. Cl.
CPC ...
H04R 5/02 (2013.01); H04S 3/00 (2013.01); H04S 5/005 (2013.01); H04S 7/302 (2013.01); H04S 7/308 (2013.01); H04S 2400/13 (2013.01);
Abstract

Placement of one or two placed virtual loudspeakers within a loudspeaker setup that includes a real loudspeakers is determined and vector base amplitude panning (VBAP) gains including the gains of the real loudspeakers and placed one or two virtual loudspeakers are also then determined. Gains of one or two placed virtual loudspeakers are redistributed to the real loudspeakers to ensure preservation of total energy. Real loudspeakers in the loudspeaker setup have redistributed gains of one or two placed virtual loudspeakers. Loudspeaker outputs are generated and transmitted to the real loudspeakers to be played back. When received audio content is ambisonics content, a predetermined grid is generated and HOA content is projected to the grid. Other aspects are also described.


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