11. The method according to claim 10 , wherein the integrated circuit is further employed to: provide at least one background speaker model corresponding to at least one background speaker; and determining the quantity based on the likelihood score via employing the at least one background speaker model.
11. The method according to claim 10 , wherein the integrated circuit is further employed to: provide at least one background speaker model corresponding to at least one background speaker; and determining the quantity based on the likelihood score via employing the at least one background speaker model. 12. The method according to claim 11 , wherein to determine the quantity based on the likelihood comprises determining a log-likelihood ratio based on the likelihood score.