Assessing the benefit of acoustic beamforming for listeners with aphasia using modified psychoacoustic methods.
Assessing the benefit of acoustic beamforming for listeners with aphasia using modified psychoacoustic methods.
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DOI：
10.1121/10.0002454
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发表时间：
2020-11
期刊：
影响因子：
--
通讯作者：
Kidd G Jr
中科院分区：
文献类型：
--
作者：
Villard S;Kidd G Jr
声学波束形成已被证明可以改善感音神经性听力损失患者在嘈杂的聆听环境中对目标语音的识别。这项研究探讨了波束成形是否能为失语症（获得性神经语言障碍）患者提供类似的益处。在语音掩蔽条件和语音整形、语音调制噪声掩蔽条件下，对失语症 (PWA) 患者以及年龄和听力匹配的对照者检查了波束成形的益处。在提供自然空间线索以及通过单通道波束形成器增强目标语音水平时测量性能。由于典型的心理声学方法可能会给 PWA 带来大量的实验混乱，因此针对每个 PWA 参与者单独确定了临床指导下的实验程序修改。结果表明，波束形成器为听众提供了显着的整体效益。在个人层面上，在具有空间线索的语音掩蔽条件下表现较差的 PWA 和对照组都受益于波束形成器，而那些在空间线索下取得更好表现的人则没有。所有参与者都在噪声掩蔽条件下受益于波束形成器。研究结果表明，空间调谐助听器可能对听力损失相对较轻、难以利用空间线索的老年听众有益。
Acoustic beamforming has been shown to improve identification of target speech in noisy listening environments for individuals with sensorineural hearing loss. This study examined whether beamforming would provide a similar benefit for individuals with aphasia (acquired neurological language impairment). The benefit of beamforming was examined for persons with aphasia (PWA) and age- and hearing-matched controls in both a speech masking condition and a speech-shaped, speech-modulated noise masking condition. Performance was measured when natural spatial cues were provided, as well as when the target speech level was enhanced via a single-channel beamformer. Because typical psychoacoustic methods may present substantial experimental confounds for PWA, clinically guided modifications of experimental procedures were determined individually for each PWA participant. Results indicated that the beamformer provided a significant overall benefit to listeners. On an individual level, both PWA and controls who exhibited poorer performance on the speech masking condition with spatial cues benefited from the beamformer, while those who achieved better performance with spatial cues did not. All participants benefited from the beamformer in the noise masking condition. The findings suggest that a spatially tuned hearing aid may be beneficial for older listeners with relatively mild hearing loss who have difficulty taking advantage of spatial cues.
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影响因子：
2.7
作者：
Kidd G Jr;Mason CR;Best V;Swaminathan J
通讯作者：
Swaminathan J
影响因子：
2.4
作者：
Best, Virginia;Marrone, Nicole;Kidd, Gerald, Jr.
通讯作者：
Kidd, Gerald, Jr.
影响因子：
2.4
作者：
CHERRY, EC
通讯作者：
CHERRY, EC
影响因子：
1.8
作者：
Calandruccio, Lauren;Brouwer, Susanne;Bradlow, Ann R.
通讯作者：
Bradlow, Ann R.
影响因子：
2.4
作者：
Greenberg, JE;Desloge, JG;Zurek, PM
通讯作者：
Zurek, PM