Voice segregation by difference in fundamental frequency: Effect of masker type

Deroche, Mickael L. D. and Culling, John Francis 2013. Voice segregation by difference in fundamental frequency: Effect of masker type. Journal of the Acoustical Society of America 134 (5) , EL465. 10.1121/1.4826152

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Abstract

Speech reception thresholds were measured for a voice against two different maskers: Either two concurrent voices with the same fundamental frequency (F0) or a harmonic complex with the same long-term excitation pattern and broadband temporal envelope as the masking sentences (speech-modulated buzz). All sources had steady F0s. A difference in F0 of 2 or 8 semitones provided a 5-dB benefit for buzz maskers, whereas it provided a 3- and 8-dB benefit, respectively, for masking sentences. Whether intelligibility of a voice increases abruptly with small ΔF0s or gradually toward larger ΔF0s seems to depend on the nature of the masker.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Psychology
Subjects:	B Philosophy. Psychology. Religion > BF Psychology
Publisher:	Acoustical Society of America
ISSN:	0001-4966
Last Modified:	04 Jun 2017 06:47
URI:	http://orca.cf.ac.uk/id/eprint/64782

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