Masking period patterns of Schroeder-phase complexes: effects of level, number of components, and phase of flanking components

The Journal of the Acoustical Society of America
R P Carlyon, A J Datta

Abstract

Masking period patterns (MPPs) were obtained for maskers consisting of harmonics 2-20 of a 100-Hz fundamental. The signal was always a 5-ms 1100-Hz sinusoid presented 152, 154, 156, 158, or 160 ms after the start of a 400-ms masker. Experiment 1 replicated the finding that, for a masker level of 69 dB component, the shape of the MPP depended strongly on the phases of the components: Summing them in positive Schroeder phase led to a threshold variation of about 18 dB across the MPP, but summing them in negative Schroeder phase produced a flat MPP [A. Kohlrausch and A. Sander, J. Acoust. Soc. Am. 97, 1817-1829 (1995)]. Reducing the level of the positive-phase masker resulted in a systematic flattening of the MPP, whereas the negative-phase MPPs were flat both at high and at low levels. Experiment 2 showed that removing all components of a positive-phase masker except those close to the signal raised thresholds at the minimum of the MPP. In contrast, a similar manipulation applied to the negative-phase masker produced a uniform elevation of the MPP. Experiment 3 showed that an analogous effect could be obtained by manipulating the phases of masker components remote from the signal. It is shown that several features of the data can...Continue Reading

References

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Citations

Jul 25, 2009·Journal of the Association for Research in Otolaryngology : JARO·Magdalena Wojtczak, Andrew J Oxenham
Aug 26, 2009·Journal of the Association for Research in Otolaryngology : JARO·Amanda M LauerMarjorie R Leek
May 19, 2005·The Journal of the Acoustical Society of America·Andrew J Oxenham, Stephan D Ewert
Sep 14, 2012·Journal of Neurophysiology·Grace I Wang, Bertrand Delgutte
Apr 3, 2004·Proceedings of the National Academy of Sciences of the United States of America·Jan-Eric GrunwaldLutz Wiegrebe
Nov 10, 2009·The Journal of the Acoustical Society of America·Yi Shen, Jennifer J Lentz
Nov 18, 2011·The Journal of the Acoustical Society of America·Mickael L D Deroche, John F Culling
Mar 9, 2006·The Journal of the Acoustical Society of America·Amanda M LauerJennifer J Lentz
Dec 27, 2015·Hearing Research·Philip A GomersallRobert P Carlyon
Aug 9, 2011·Hearing Research·Mickael L D Deroche, John F Culling
Oct 1, 2013·Hearing Research·Mickael L D DerocheMonita Chatterjee
Oct 31, 2016·The Journal of the Acoustical Society of America·Hisaaki TabuchiPiotr Majdak
Jun 1, 1997·The Journal of the Acoustical Society of America·R P Carlyon, A J Datta
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Nov 10, 2004·The Journal of the Acoustical Society of America·Andrew J Oxenham, Torsten Dau
Jun 17, 2005·The Journal of the Acoustical Society of America·Matthias Müller-WehlauBirger Kollmeier
Aug 25, 2017·Journal of the Association for Research in Otolaryngology : JARO·Robert P CarlyonJohn M Deeks
Dec 28, 2005·Journal of Speech, Language, and Hearing Research : JSLHR·Laura E DreisbachJennifer J Lentz
Jan 11, 2008·Journal of Neurophysiology·André RuppTorsten Dau
Aug 22, 2014·Journal of Neurophysiology·Martin AndermannAndré Rupp

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