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

Claim 16:
17. A non-transitory computer-readable medium comprising program instructions stored thereon for performing at least the following:
obtaining 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;
identifying at least a first direction for a plurality of frequency bands;
identifying at least a second direction for the plurality of frequency bands; and
providing 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.