In the proposed two-microphone binaural strategies, all four microphones (two behind each ear) are being used in a coordinated stimulation mode. To this end, as many as four microphones are employed (two omni-directional and two directional) in each of the two BTE processors (one per ear). To enhance the ability of BI-CI users to communicate in noise, the use of two computationally inexpensive multi-microphone adaptive noise reduction strategies exploiting information simultaneously collected by the microphones associated with two behind-the-ear (BTE) processors (one per ear) is proposed. BI-CI users utilize information from just two directional microphones placed on opposite sides of the head in a so-called independent stimulation mode. ![]() ![]() ![]() Still, there is a substantial drop in speech recognition performance when there is reverberation and more than one interferers. Bilateral cochlear implant (BI-CI) recipients achieve high word recognition scores in quiet listening conditions.
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