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Interactions among talker sex, masker number, and masker intelligibility in speech-on-speech recognition
Mathew Thomas1, John J Galvin2, Qian-Jie Fu1
1Department of Head and Neck Surgery, David Geffen School of Medicine, 10833 Le Conte Avenue, University of California, Los Angeles, Los Angeles, California 90095, USA.
Abstract:
In competing speech, recognition of target speech may be limited by the number and characteristics of maskers, which produce energetic, envelope, and/or informational masking. In this study, speech recognition thresholds (SRTs) were measured with one, two, or four maskers. The target and masker sex was the same or different, and SRTs were measured with time-forward or time-reversed maskers. SRTs were significantly affected by target-masker sex differences with time-forward maskers, but not with time-reversed maskers. The multi-masker penalty was much greater with time-reversed maskers than with time-forward maskers when there were more than two talkers.
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