Advanced Beamformers for Cochlear Implant Users: Acute Measurement of Speech Perception in Challenging Listening Conditions Buechner, Andreas ; Dyballa, Karl-Heinz ; Hehrmann, Phillipp ; Fredelake, Stefan ; Lenarz, Thomas Abstract Publication: PLoS ONE Pub Date: April 2014 DOI: 10.1371/journal.pone.0095542 Bibcode: 2014PLoSO...995542B