Patent ID: 11863946
Assignee: NOKIA TECHNOLOGIES OY
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 10:
11. An apparatus comprising:
at least one processor; and
at least one non-transitory memory including computer program code;
the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to:
obtain a first clean signal and a first processed signal dependent upon audio input at a first microphone;
obtain a second clean signal and a second processed signal dependent upon audio input at a second microphone; and
use the first clean signal and the second clean signal to enable further processing of at least the first processed signal and the second processed signal, wherein the processed signals comprise an artefact of processing used to produce the processed signals,
wherein the first clean signal and the second clean signal comprise signals that are at least one of:
an unprocessed raw signal, or
a signal that has not been processed using non-linear processing.