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Eliciting naturalistic conversations: a method for assessing communication ability, subjective experience, and the impacts of noise and hearing impairment
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A Dynamic speech comprehension test for assessing real-world listening ability
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An Assessment of different sized open plan and enclosed kindergarten classroom listening environments
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Effect of audibility on spatial release from speech-on-speech masking
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An Investigation into the acoustics of an open plan compared to enclosed Kindergarten classroom
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Factors influencing target detectability in realistic listening scenarios
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Release from masking through spatial separation in distance in hearing impaired listeners
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Abstract:
It is widely accepted that speech intelligibility improves as a speech signal and interfering masker are separated spatially in azimuth. In a previous study [Westermann et al. (2012), IHCON] a similarly strong improvement was found for normal hearing (NH) listeners when target and masker are separated in distance. In this study speech reception thresholds (SRTs) were measured for 16 hearing impaired (HI) listeners using the Listening in Spatialized Noise - Sentences Test (LiSN-S) and the Coordinate Response Measure (CRM). Acoustic scenarios were auralized via headphones using binaural room impulse responses recorded in an auditorium. In the first scenario the target was presented at a distance of 0.5 m from the center of the listeners head and the interferer at a distance of 0.5 m or 10 m. In a second setup the interferer's location was fixed and the target's location was varied. HI listeners showed a substantial release from masking as target and interferer were separated in distance. This effect was consistent for both LiSN-S and CRM, but less pronounced than for NH listeners. This study suggests that distance related cues play a significant role when listening in complex environments and are also to some extent available to HI listeners. ; 9 page(s)
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URL: http://hdl.handle.net/1959.14/285126
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Psychometric effects of adding realism to a speech-in-noise test
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Objective analysis of higher-order Ambisonics sound-field reproduction for hearing aid applications
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Validation of a loudspeaker-based room auralization system using speech intelligibility measures
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