Patent ID: 11950063
Assignee: NOKIA TECHNOLOGIES OY
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. An apparatus comprising:
at least one processor; and
at least one non-transitory memory storing program instructions that, when executed by the at least one processor, cause the apparatus to:
obtain at least a first audio signal and a second audio signal, wherein the first audio signal and the second audio signal are captured with a microphone array comprising at least two microphones;
identify at least a first direction for a plurality of frequency bands;
identify at least a second direction for the plurality of frequency bands; and
provide the first direction and the second direction as spatial metadata,
wherein the first direction and the second direction are identified based, at least partially, on spatial analysis of the first audio signal and the second audio signal, wherein the first direction and the second direction are identified using delay parameters between at least the first audio signal and the second audio signal.