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Fixed and adaptive beamforming improves speech perception in noise in cochlear implant recipients equipped with the MED-EL SONNET audio processor.

Abstract To determine the impact of the fixed and adaptive beamforming technology of the new MED-EL SONNET cochlear implant audio processor on speech perception in noise.
PMID
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Mayor MeshTerms
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Journal Title plos one
Publication Year Start




PMID- 29304186
OWN - NLM
STAT- In-Data-Review
LR  - 20180105
IS  - 1932-6203 (Electronic)
IS  - 1932-6203 (Linking)
VI  - 13
IP  - 1
DP  - 2018
TI  - Fixed and adaptive beamforming improves speech perception in noise in cochlear
      implant recipients equipped with the MED-EL SONNET audio processor.
PG  - e0190718
LID - 10.1371/journal.pone.0190718 [doi]
AB  - OBJECTIVE: To determine the impact of the fixed and adaptive beamforming
      technology of the new MED-EL SONNET cochlear implant audio processor on speech
      perception in noise. METHODS: The study cohort comprises 18 postlingually
      deafened adult cochlear implant recipients with at least six months of
      experience. Speech reception thresholds were measured with the Oldenburg Sentence
      Test in continuous, speech-shaped noise. Target sentences were presented in front
      of the listener, with noise sources placed at -135 degrees and 135 degrees ,
      respectively. Outcome measures were the differences in speech reception threshold
      using omnidirectional, fixed and adaptive beamformer microphone settings.
      RESULTS: The use of directional microphones significantly improved speech
      reception thresholds: fixed beamformer vs. omnidirectional: 4.3 dB (95%-CI [3.1; 
      5.5]), p<0.0001; adaptive beamformer vs. omnidirectional: 6.1 dB (95%-CI [4.9;
      7.3]), p<0.0001; and adaptive beamformer vs. fixed beamformer: 1.8 dB (95%-CI
      [0.7; 3.0]), p = 0.001. CONCLUSION: This study confirms the previously reported
      improvements in speech perception in noise of the fixed beamformer microphone
      setting and is the first to report significant improvements in speech perception 
      in noise when applying the adaptive beamformer microphone settings of the SONNET 
      audio processor. Cochlear implant users may be able to benefit from improved
      hearing performance especially in difficult listening situations.
FAU - Honeder, Clemens
AU  - Honeder C
AUID- ORCID: http://orcid.org/0000-0003-1478-4646
AD  - Department of Otorhinolaryngology, Head and Neck Surgery, Medical University of
      Vienna, Vienna, Austria.
FAU - Liepins, Rudolfs
AU  - Liepins R
AD  - Department of Otorhinolaryngology, Head and Neck Surgery, Medical University of
      Vienna, Vienna, Austria.
FAU - Arnoldner, Christoph
AU  - Arnoldner C
AD  - Department of Otorhinolaryngology, Head and Neck Surgery, Medical University of
      Vienna, Vienna, Austria.
FAU - Sinkovec, Hana
AU  - Sinkovec H
AD  - Center for Medical Statistics, Informatics and Intelligent Systems, Section for
      Clinical Biometrics, Medical University of Vienna, Vienna, Austria.
FAU - Kaider, Alexandra
AU  - Kaider A
AD  - Center for Medical Statistics, Informatics and Intelligent Systems, Section for
      Clinical Biometrics, Medical University of Vienna, Vienna, Austria.
FAU - Vyskocil, Erich
AU  - Vyskocil E
AD  - Department of Otorhinolaryngology, Head and Neck Surgery, Medical University of
      Vienna, Vienna, Austria.
FAU - Riss, Dominik
AU  - Riss D
AD  - Department of Otorhinolaryngology, Head and Neck Surgery, Medical University of
      Vienna, Vienna, Austria.
LA  - eng
PT  - Journal Article
DEP - 20180105
PL  - United States
TA  - PLoS One
JT  - PloS one
JID - 101285081
EDAT- 2018/01/06 06:00
MHDA- 2018/01/06 06:00
CRDT- 2018/01/06 06:00
PHST- 2016/12/13 00:00 [received]
PHST- 2017/12/15 00:00 [accepted]
PHST- 2018/01/06 06:00 [entrez]
PHST- 2018/01/06 06:00 [pubmed]
PHST- 2018/01/06 06:00 [medline]
AID - 10.1371/journal.pone.0190718 [doi]
AID - PONE-D-16-49292 [pii]
PST - epublish
SO  - PLoS One. 2018 Jan 5;13(1):e0190718. doi: 10.1371/journal.pone.0190718.
      eCollection 2018.