Tone-in-noise detection has been studied for decades; however, it is not completely understood what cue or cues are used by listeners for this task. Model predictions based on energy in the critical band are generally more successful than those based on temporal cues, except when the energy cue is not available. Nevertheless, neither energy nor temporal cues can explain the predictable variance for all listeners. In this study, it was hypothesized that better predictions of listeners' detection performance could be obtained using a nonlinear combination of energy and temporal cues, even when the energy cue was not available. The combination of different cues was achieved using the logarithmic likelihood-ratio test (LRT), an optimal detector in signal detection theory. A nonlinear LRT-based combination of cues was proposed, given that the cues have Gaussian distributions and the covariance matrices of cue values from noise-alone and tone-plus-noise conditions are different. Predictions of listeners' detection performance for three different sets of reproducible noises were computed with the proposed model. Results showed that predictions for hit rates approached the predictable variance for all three datasets, even when an energy cue was not available.
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July 2013
July 11 2013
Predictions of diotic tone-in-noise detection based on a nonlinear optimal combination of energy, envelope, and fine-structure cues Available to Purchase
Junwen Mao;
Junwen Mao
Department of Electrical and Computer Engineering, University of Rochester
, Rochester, New York 14627
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Azadeh Vosoughi;
Azadeh Vosoughi
Department of Electrical Engineering and Computer Science, University of Central Florida
, Orlando, Florida 32816
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Laurel H. Carney
Laurel H. Carney
a)
Department of Biomedical Engineering and Department of Neurobiology and Anatomy, University of Rochester
, Rochester, New York 14642
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Junwen Mao
Azadeh Vosoughi
Laurel H. Carney
a)
Department of Electrical and Computer Engineering, University of Rochester
, Rochester, New York 14627a)
Author to whom correspondence should be addressed. Electronic mail: [email protected]
J. Acoust. Soc. Am. 134, 396–406 (2013)
Article history
Received:
September 11 2012
Accepted:
May 07 2013
Citation
Junwen Mao, Azadeh Vosoughi, Laurel H. Carney; Predictions of diotic tone-in-noise detection based on a nonlinear optimal combination of energy, envelope, and fine-structure cues. J. Acoust. Soc. Am. 1 July 2013; 134 (1): 396–406. https://doi.org/10.1121/1.4807815
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