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Speech recognition with a hearing-aid processing scheme combining beamforming with mask-informed speech enhancement
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In: Trends Hear (2022)
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Temporal integration for amplitude modulation in childhood: Interaction between internal noise and memory
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In: ISSN: 0378-5955 ; Hearing Research ; https://hal.archives-ouvertes.fr/hal-03469592 ; Hearing Research, Elsevier, In press, pp.108403. ⟨10.1016/j.heares.2021.108403⟩ (2021)
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Switching streams across ears to evaluate informational masking of speech-on-speech
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In: Ear Hear (2020)
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Impaired frequency selectivity and sensitivity to temporal fine structure, but not envelope cues, in children with mild-to-moderate sensorineural hearing loss. ...
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Computer-Based Connected-Text Training of Speech-in-Noise Perception for Cochlear Implant Users
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Functional brain alterations following mild-to-moderate sensorineural hearing loss in children
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Processing of Phonological Variation in Children With Hearing Loss: Compensation for English Place Assimilation in Connected Speech
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The role of vowel phonotactics in native speech segmentation
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Language Development and Impairment in Children With Mild to Moderate Sensorineural Hearing Loss. ...
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Auditory processing deficits are sometimes necessary and sometimes sufficient for language difficulties in children: Evidence from mild to moderate sensorineural hearing loss. ...
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Auditory processing deficits are sometimes necessary and sometimes sufficient for language difficulties in children: Evidence from mild to moderate sensorineural hearing loss.
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Language Development and Impairment in Children With Mild to Moderate Sensorineural Hearing Loss.
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Native-language benefit for understanding speech-in-noise: The contribution of semantics
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The Role of Age-Related Declines in Subcortical Auditory Processing in Speech Perception in Noise
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Processing of Phonological Variation in Children With Hearing Loss: Compensation for English Place Assimilation in Connected Speech
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Speech Perception and Production by Sequential Bilingual Children: A Longitudinal Study of Voice Onset Time Acquisition
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Lexico-semantic and acoustic-phonetic processes in the perception of noise-vocoded speech: implications for cochlear implantation
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Abstract:
Noise-vocoding is a transformation which, when applied to speech, severely reduces spectral resolution and eliminates periodicity, yielding a stimulus that sounds “like a harsh whisper” (Scott et al., 2000, p. 2401). This process simulates a cochlear implant, where the activity of many thousand hair cells in the inner ear is replaced by direct stimulation of the auditory nerve by a small number of tonotopically-arranged electrodes. Although a cochlear implant offers a powerful means of restoring some degree of hearing to profoundly deaf individuals, the outcomes for spoken communication are highly variable (Moore and Shannon, 2009). Some variability may arise from differences in peripheral representation (e.g., the degree of residual nerve survival) but some may reflect differences in higher-order linguistic processing. In order to explore this possibility, we used noise-vocoding to explore speech recognition and perceptual learning in normal-hearing listeners tested across several levels of the linguistic hierarchy: segments (consonants and vowels), single words, and sentences. Listeners improved significantly on all tasks across two test sessions. In the first session, individual differences analyses revealed two independently varying sources of variability: one lexico-semantic in nature and implicating the recognition of words and sentences, and the other an acoustic-phonetic factor associated with words and segments. However, consequent to learning, by the second session there was a more uniform covariance pattern concerning all stimulus types. A further analysis of phonetic feature recognition allowed greater insight into learning-related changes in perception and showed that, surprisingly, participants did not make full use of cues that were preserved in the stimuli (e.g., vowel duration). We discuss these findings in relation cochlear implantation, and suggest auditory training strategies to maximize speech recognition performance in the absence of typical cues.
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Keyword:
Neuroscience
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URL: http://www.ncbi.nlm.nih.gov/pubmed/24616669 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3933978 https://doi.org/10.3389/fnsys.2014.00018
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Exploring the Roles of Spectral Detail and Intonation Contour in Speech Intelligibility: An fMRI Study
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