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1
The Impact of Pitch and Timbre Cues on Auditory Grouping and Stream Segregation
In: Front Neurosci (2022)
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2
The Impact of Temporally Coherent Visual Cues on Speech Perception in Complex Auditory Environments
In: Front Neurosci (2021)
Abstract: Speech perception often takes place in noisy environments, where multiple auditory signals compete with one another. The addition of visual cues such as talkers’ faces or lip movements to an auditory signal can help improve the intelligibility of speech in those suboptimal listening environments. This is referred to as audiovisual benefits. The current study aimed to delineate the signal-to-noise ratio (SNR) conditions under which visual presentations of the acoustic amplitude envelopes have their most significant impact on speech perception. Seventeen adults with normal hearing were recruited. Participants were presented with spoken sentences in babble noise either in auditory-only or auditory-visual conditions with various SNRs at −7, −5, −3, −1, and 1 dB. The visual stimulus applied in this study was a sphere that varied in size syncing with the amplitude envelope of the target speech signals. Participants were asked to transcribe the sentences they heard. Results showed that a significant improvement in accuracy in the auditory-visual condition versus the audio-only condition was obtained at the SNRs of −3 and −1 dB, but no improvement was observed in other SNRs. These results showed that dynamic temporal visual information can benefit speech perception in noise, and the optimal facilitative effects of visual amplitude envelope can be observed under an intermediate SNR range.
Keyword: Neuroscience
URL: http://www.ncbi.nlm.nih.gov/pubmed/34163326
https://doi.org/10.3389/fnins.2021.678029
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8216555/
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3
Congenital Cytomegalovirus and Human Immunodeficiency Virus: Effects on Hearing, Speech and Language Development, and Clinical Outcomes in Children
In: Front Pediatr (2021)
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4
Binaural Pitch Fusion in Children with Normal Hearing, Hearing Aids, and Cochlear Implants
In: Ear Hear (2020)
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5
Binaural pitch fusion in bilateral cochlear implant users
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6
Two Ears Are Not Always Better than One: Mandatory Vowel Fusion Across Spectrally Mismatched Ears in Hearing-Impaired Listeners
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