Effects of Masker Envelope Fluctuations on the Temporal Effect.
Effects of Masker Envelope Fluctuations on the Temporal Effect.
复制标题
掩蔽包络波动对时间效应的影响。
DOI:
10.1007/s10162-018-00688-x
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发表时间:
2018
期刊:
影响因子:
--
通讯作者:
Stone,Caitlin
中科院分区:
文献类型:
--
作者:
Jennings,SkylerG;Sivas,Kayla;Stone,Caitlin
Under certain conditions, detection thresholds in simultaneous masking improve when the onset of a short sinusoidal probe is delayed from the onset of a long masker. This improvement, known as the temporal effect, is largest for broadband maskers and is smaller or absent for narrowband maskers centered on the probe frequency. This study tests the hypothesis that small or absent temporal effects for narrowband maskers are due to the inherent temporal envelope fluctuations of Gaussian noise. Temporal effects were measured for narrowband noise maskers with fluctuating (“fluctuating maskers”) and flattened (“flattened maskers”) temporal envelopes as a function of masker level (Exp. I) and in the presence of fluctuating and flattened precursors (Exp. II). The temporal effect was absent for fluctuating narrowband maskers and as large as ~ 7 dB for flattened narrowband maskers. The AC-coupled power of the temporal envelopes of precursors and maskers accounted for 94 % of the variance in probe detection thresholds measured with fluctuating and flattened precursors and maskers. These results suggest that masker temporal envelope fluctuations contribute to the temporal effect and should be considered in future modeling efforts.
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DOI:
10.1042/bj1980249
发表时间:
1981
期刊:
The Biochemical journal
影响因子:
--
作者:
Hildebran,JN;Airhart,J;Stirewalt,WS;Low,RB
通讯作者:
Low,RB
DOI:
--
发表时间:
1984
期刊:
Growth
影响因子:
--
作者:
Rannels,DE;Burkhart,LR;Watkins,CA
通讯作者:
Watkins,CA
DOI:
--
发表时间:
1939
期刊:
影响因子:
--
作者:
R. Cohn
通讯作者:
R. Cohn
影响因子:
4.1
作者:
C. A. Watkins;D. Rannels
通讯作者:
D. Rannels
DOI:
10.1152/jappl.1979.46.2.326
发表时间:
1979
期刊:
Journal of applied physiology: respiratory, environmental and exercise physiology
影响因子:
--
作者:
D. Rannels;D. M. White;C. A. Watkins
通讯作者:
C. A. Watkins