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:
Jun. 23, 2026
Filed:
Aug. 18, 2021
Nokia Technologies Oy, Espoo, FI;
Adriana Vasilache, Tampere, FI;
NOKIA TECHNOLOGIES OY, Espoo, FI;
Abstract
An apparatus comprising means configured to: obtain a multichannel audio signal; obtain direction parameter values associated with at least two time-frequency parts of the multichannel audio signal, the direction parameter values associated with at least two time-frequency parts comprising an elevation element and an azimuth element associated with at least two time-frequency parts; and compand encode the obtained direction parameter values, the means configured to compand encode the obtained direction parameter values is further configured to: quantize the elevation element; determine a companding function based on the quantized elevation element and/or multichannel audio signal format; generate a companded azimuth element based on the companding function applied to the azimuth element; and quantize the companded azimuth element.