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Title
Apparatus and method for multichannel interference cancellation
Date Issued
2018
Author(s)
Patent No
3393140
Abstract
An apparatus for multichannel interference cancellation in a received audio signal comprising two or more received audio channels to obtain a modified audio signal comprising two or more modified audio channels is provided. The apparatus comprises a first filter unit (112) being configured to generate a first estimation of a first interference signal depending on a reference signal. Moreover, the apparatus comprises a first interference canceller (114) being configured to generate a first modified audio channel of the two or more modified audio channels from a first received audio channel of the two or more received audio channels depending on the first estimation of the first interference signal. Furthermore, the apparatus comprises a second filter unit (122) being configured to generate a second estimation of a second interference signal depending on the first estimation of the first interference signal. Moreover, the apparatus comprises a second interference canceller (124) being configured to generate a second modified audio channel of the two or more modified audio channels from a second received audio channel of the two or more received audio channels depending on the second estimation of the second interference signal.
Language
en
Patenprio
EP 3393140 A1: 20171013