ArticleHNO2023
[Influence of directional microphones on listening effort in middle ear implant users].
Article in HNO, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
0 citing papers in PubMed, 2 citations in OpenAlex.
No citing paper in PubMed yet.
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
objectiveBesides speech intelligibility, subjective listening effort is an important outcome for the success of hearing devices and their signal processing. The aim of the present study was to determine subjective listening effort for speech in a noisy background in patients with the active middle ear implant Vibrant Soundbridge (VSB) for omnidirectional and directional microphone settings, with and without occlusion of the contralateral ear. MATERIAL AND
methodsA total of 15 patients using a VSB were measured using the adaptive categorical listening effort scaling (ACALES) method in a ring of loudspeakers placed in an anechoic room. Different background noises from different directions and simultaneously presented sentences from the Oldenburg sentence test were combined in four different realistic acoustic scenes.
resultsThe directional microphone program reduced median subjective listening effort only numerically compared to the omnidirectional microphone program in acoustic scenarios with diffuse noise and with low signal-to-noise ratios; however, this difference failed to reach statistical significance. When occluding the ear contralateral to the VSB, all investigated listening effort categories were measured at significantly higher signal-to-noise ratios than with access to both ears.
conclusionDue to missing statistical significance in reduction of listening effort, this study delivered no recommendation for or against usage of the directional microphone program; however, reduced listening effort was shown for binaural listening in comparison to monaural listening. Therefore, patients should be encouraged to always listen with both ears for best results.
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