Spectral integration versus multiple looks in the sample discrimination of intensity | Zendy

Robert A. Lutfi | Zendy; Lynn Gilbertson | Zendy

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Spectral integration versus multiple looks in the sample discrimination of intensity

Author(s) -

Robert A. Lutfi,

Lynn Gilbertson

Publication year - 2011

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.3665257

Subject(s) - bandwidth (computing) , computer science , channel (broadcasting) , signal (programming language) , sample (material) , acoustics , property (philosophy) , detection theory , speech recognition , telecommunications , physics , detector , philosophy , epistemology , thermodynamics , programming language

A fundamental property of hearing is that signals become more detectable as their bandwidth is increased. Two models have been proposed to account for this result. The integration model assumes that detection is mediated by the output of a single frequency channel matched in bandwidth to the signal. The multiple-looks model assumes that detection is based on the combination of outputs from multiple channels matched to the individual frequencies of the signal. Results are reported supporting the integration model.

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