AI Article Synopsis
- The study aimed to compare the effectiveness of a monaural adaptive beamformer and two types of interventions (bilateral cochlear implants and hearing preservation surgery) on speech understanding in noisy environments for patients with cochlear implants.
- 10 listeners with a single CI were tested with and without the beamformer in a "cocktail party" setting, while data from previous studies on bilateral CIs and HP CIs were also analyzed.
- Results showed that the beamformer provided a significant 31% improvement in speech understanding, outperforming the 18% and 20% improvements seen with bilateral CIs and HP CIs, respectively.
Article Abstract
Purpose: The aim of this experiment was to compare, for patients with cochlear implants (CIs), the improvement for speech understanding in noise provided by a monaural adaptive beamformer and for two interventions that produced bilateral input (i.e., bilateral CIs and hearing preservation [HP] surgery).
Method: Speech understanding scores for sentences were obtained for 10 listeners fit with a single CI. The listeners were tested with and without beamformer activated in a "cocktail party" environment with spatially separated target and maskers. Data for 10 listeners with bilateral CIs and 8 listeners with HP CIs were taken from Loiselle, Dorman, Yost, Cook, and Gifford (2016), who used the same test protocol.
Results: The use of the beamformer resulted in a 31 percentage point improvement in performance; in bilateral CIs, an 18 percentage point improvement; and in HP CIs, a 20 percentage point improvement.
Conclusion: A monaural adaptive beamformer can produce an improvement in speech understanding in a complex noise environment that is equal to, or greater than, the improvement produced by bilateral CIs and HP surgery.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5829808 | PMC |
| http://dx.doi.org/10.1044/2017_JSLHR-H-16-0312 | DOI Listing |
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