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Article

Spectrum Resolving Power of Hearing: Measurements, Baselines, and Influence of Maskers

by
Alexander Ya. Supin
Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, Russian Federation
Audiol. Res. 2011, 1(2), e27; https://doi.org/10.4081/audiores.2011.e27
Submission received: 5 March 2011 / Revised: 5 March 2011 / Accepted: 17 May 2011 / Published: 15 June 2011

Abstract

Contemporary methods of measurement of frequency tuning in the auditory system are reviewed. Most of them are based on the frequency-selective masking paradigm and require multi-point measurements (a number of masked thresholds should be measured to obtain a single frequency-tuning estimate). Therefore, they are rarely used for practical needs. As an alternative approach, frequency-selective properties of the auditory system may be investigated using probes with complex frequency spectrum patterns, in particular, rippled noise that is characterized by a spectrum with periodically alternating maxima and minima. The maximal ripple density discriminated by the auditory system is a convenient measure of the spectrum resolving power (SRP). To find the highest resolvable ripple density, a phase-reversal test has been suggested. Using this technique, normal SRP, its dependence on probe center frequency, spectrum contrast, and probe level were measured. The results were not entirely predictable by frequency-tuning data obtained by masking methods. SRP is influenced by maskers, with on- and off-frequency maskers influencing SRP very differently. Dichotic separation of the probe and masker results in almost complete release of SRP from influence of maskers.
Keywords: hearing; spectrum resolving power; masking; dichotic release hearing; spectrum resolving power; masking; dichotic release

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MDPI and ACS Style

Supin, A.Y. Spectrum Resolving Power of Hearing: Measurements, Baselines, and Influence of Maskers. Audiol. Res. 2011, 1, e27. https://doi.org/10.4081/audiores.2011.e27

AMA Style

Supin AY. Spectrum Resolving Power of Hearing: Measurements, Baselines, and Influence of Maskers. Audiology Research. 2011; 1(2):e27. https://doi.org/10.4081/audiores.2011.e27

Chicago/Turabian Style

Supin, Alexander Ya. 2011. "Spectrum Resolving Power of Hearing: Measurements, Baselines, and Influence of Maskers" Audiology Research 1, no. 2: e27. https://doi.org/10.4081/audiores.2011.e27

APA Style

Supin, A. Y. (2011). Spectrum Resolving Power of Hearing: Measurements, Baselines, and Influence of Maskers. Audiology Research, 1(2), e27. https://doi.org/10.4081/audiores.2011.e27

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