AJO is funded by NIH grant R01 DC005216 The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.Д¬ompeting interests: The authors have declared that no competing interests exist.

ДЇunding: SM is funded by the William Demant Foundation ( ). This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.Дata Availability: The data are available at. Received: OctoAccepted: MaPublished: April 7, 2021Д¬opyright: В© 2021 Madsen et al. PLoS ONE 16(4):Д®ditor: Qian-Jie Fu, University of California, Los Angeles, UNITED STATES The results suggest that listeners are able to obtain some benefit of pitch differences between competing voices, even when pitch salience and accuracy is low.Д¬itation: Madsen SMK, Dau T, Oxenham AJ (2021) No interaction between fundamental-frequency differences and spectral region when perceiving speech in a speech background.

No interaction was found between filter type and О”F0 in the sentence recognition task, suggesting little or no effect of harmonic rank or pitch accuracy on the ability to use F0 to segregate natural voices, even when the average О”F0 is relatively small. Pitch discrimination abilities were also measured to confirm that the lowpass-filtered stimuli elicited greater pitch accuracy than the highpass-filtered stimuli. Performance was measured with average F0 differences (О”F0) between the target and single-talker masker of 0, 2, and 4 semitones. The stimuli were presented in a broadband condition or were highpass or lowpass filtered to manipulate the pitch accuracy of the voicing, while maintaining roughly equal speech intelligibility in the highpass and lowpass regions. To answer this question, sentence recognition was tested in young normal-hearing listeners in the presence of a single competing talker. Although lower-numbered harmonics elicit a stronger and more accurate pitch sensation than higher-numbered harmonics, it is unclear whether the stronger pitch leads to an increased benefit of pitch differences when segregating competing talkers.

Differences in fundamental frequency (F0) or pitch between competing voices facilitate our ability to segregate a target voice from interferers, thereby enhancing speech intelligibility.

Fundamental frequency in praat