Defining functional spatial boundaries using a spatial release from masking task.

Defining functional spatial boundaries using a spatial release from masking task.
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DOI:
10.1121/10.0015356
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发表时间:
2022-12
影响因子:
1
通讯作者:
Higgins, Nathan C. C.
Higgins, Nathan C. C.
中科院分区:
其他
文献类型:
--
作者:
Ozmeral, Erol J. J.;Higgins, Nathan C. C.

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经典的空间掩蔽释放(SRM)任务测量目标和掩蔽者之间离散分离角度的语音识别阈值。或者,本研究使用了一个修改后的SRM任务,自适应测量的空间间隔角之间需要一个连续的男性目标流(语音数字)和两个女性掩蔽流,以实现一个特定的SRM。平均而言,20个年轻的听力正常的听众需要较少的空间分离6分贝释放比9分贝释放,和背景串音的存在减少跨听众的变异性的范例。未来的工作需要更好地了解这种自适应程序的心理测量特性。
The classic spatial release from masking (SRM) task measures speech recognition thresholds for discrete separation angles between a target and masker. Alternatively, this study used a modified SRM task that adaptively measured the spatial-separation angle needed between a continuous male target stream (speech with digits) and two female masker streams to achieve a specific SRM. On average, 20 young normal-hearing listeners needed less spatial separation for 6 dB release than 9 dB release, and the presence of background babble reduced across-listener variability on the paradigm. Future work is needed to better understand the psychometric properties of this adaptive procedure.
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期刊: Trends in hearing
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