Tone-in-Noise Detection: Observed Discrepancies in Spectral Integration

Nicolas Le Goff, Armin Kohlrausch, Jeroen Breebaart, Steven van de Par

Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

Abstract

Spectral integration for several tone-in-noise conditions is discussed and an experiment is conducted for both monaural (No So) and binaural conditions (NoS pi). Monaural detection thresholds for running-noise maskers increased for masker bandwidths up to the critical bandwidth and remained constant for larger bandwidths. Binaural conditions and monaural conditions with a frozen-noise masker revealed different spectral integration patterns that are monotonic for masker bandwidth below and beyond the critical bandwidth, an effect known as the apparently wider binaural critical band. Finally, we show a different type of spectral integration obtained for binaural conditions with a reduced masker correlation (NpS pi) or for NoS pi with an overall interaural level difference. In these cases, the integration patterns are nonmonotonic with a maximum for masker bandwidths around the critical bandwidth.
Original languageEnglish
Title of host publicationThe Neurophysiological Bases of Auditory Perception
Editors Enrique A. Lopez-Poveda, Alan R. Palmer, Ray Meddis
PublisherSpringer Science+Business Media
Publication date2010
Pages133-141
Chapter13
ISBN (Print)978-1-4419-5685-9
ISBN (Electronic)978-1-4419-5686-6
DOIs
Publication statusPublished - 2010
Externally publishedYes
Event15th International Symposium on Hearing (ISH) - Hotel Regio, Santa Marta de Tormes, Salamanca, Spain
Duration: 1 Jun 20095 Jun 2009
Conference number: 15

Conference

Conference15th International Symposium on Hearing (ISH)
Number15
LocationHotel Regio
Country/TerritorySpain
CitySanta Marta de Tormes, Salamanca
Period01/06/200905/06/2009

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