US 12,323,762 B2
Spatial audio capture
Mikko Tapio Tammi, Tampere (FI); Toni Henrik Makinen, Pirkkala (FI); and Mikko-Ville Laitinen, Espoo (FI)
Assigned to Nokia Technologies Oy, Espoo (FI)
Filed by Nokia Technologies Oy, Espoo (FI)
Filed on Oct. 3, 2022, as Appl. No. 17/958,591.
Claims priority of application No. 2114186 (GB), filed on Oct. 4, 2021.
Prior Publication US 2023/0104933 A1, Apr. 6, 2023
Int. Cl. H04R 1/40 (2006.01)
CPC H04R 1/406 (2013.01) 20 Claims
OG exemplary drawing
 
1. An apparatus comprising:
at least one processor; and
at least one memory storing instructions that, when executed with the at least one processor, cause the apparatus at least to:
obtain two or more audio signals from respective two or more microphones;
determine, in one or more frequency bands of the two or more audio signals, a first sound source direction parameter based on processing of the two or more audio signals, wherein processing of the two or more audio signals is further configured to provide one or more modified audio signals based on the two or more audio signals; and
determine, in the one or more frequency bands of the two or more audio signals, at least a second sound source direction parameter at least based on at least in part the one or more modified audio signals.