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Consonant aspiration in Mandarin-speaking children: a developmental perspective from perception and production.
Front Pediatr
January 2025
Department of Otolaryngology-Head and Neck Surgery, West China Hospital of Sichuan University, Chengdu, China.
Introduction: This study investigates Mandarin-speaking children's acquisition of aspirated/unaspirated voiceless consonants in terms of perception and production, to track children's developmental profile and explore the factors that may affect their acquisition, as well as the possible association between perception and production.
Methods: Mandarin-speaking children ( = 95) aged 3-5 and adults ( = 20) participated in (1) a perception test designed based on the minimal pairs of unaspirated/aspirated consonants in the quiet and noisy conditions respectively; (2) a production test where participants produced the target words, with syllable-initial consonants focusing on aspiration and non-aspiration. Six pairs of unaspirated/aspirated consonants in Mandarin were included.
Neural estimation of mutual information in speech signals processed by an auditory model.
J Acoust Soc Am
January 2025
Department of Electronics Engineering, Pusan National University, Busan, South Korea.
The amount of information contained in speech signals is a fundamental concern of speech-based technologies and is particularly relevant in speech perception. Measuring the mutual information of actual speech signals is non-trivial, and quantitative measurements have not been extensively conducted to date. Recent advancements in machine learning have made it possible to directly measure mutual information using data.
View Article and Find Full Text PDFEvaluating the Effect of Various Pure Tone Averages on Cochlear Implant Candidacy Screening.
Laryngoscope
January 2025
Department of Otolaryngology - Head and Neck Surgery, University of Washington, Seattle, Washington, USA.
Objective: To provide evidence to use an extended frequency pure tone average to screen for cochlear implant evaluation candidates as recommended by the American Cochlear Implant Alliance. Additionally, to determine whether traditional low frequency, high or low frequency, high frequency, or extended frequency pure tone average most accurately predicts cochlear implant candidates based on speech perception scores from aided AzBio sentence testing or aided consonant-nucleus-consonant (CNC) testing.
Method: Adults from a tertiary care center who completed aided sentence testing during cochlear implant evaluation between 2014 and 2024 were assessed.
Phonological Feature Abstraction Before 6 Months: Amodal Recognition of Place of Articulation Across Multiple Consonants.
Dev Sci
March 2025
MARCS Institute for Brain, Behaviour, and Development, Western Sydney University, Sydney, Australia.
The classical view is that perceptual attunement to the native language, which emerges by 6-10 months, developmentally precedes phonological feature abstraction abilities. That assumption is challenged by findings from adults adopted into a new language environment at 3-5 months that imply they had already formed phonological feature abstractions about their birth language prior to 6 months. As phonological feature abstraction had not been directly tested in infants, we examined 4-6-month-olds' amodal abstraction of the labial versus coronal place of articulation distinction between consonants.
View Article and Find Full Text PDFImpact of High- and Low-Pass Acoustic Filtering on Audiovisual Speech Redundancy and Benefit in Children.
Ear Hear
December 2024
Center for Hearing Research, Boys Town National Research Hospital, Omaha, Nebraska, USA.
Objectives: To investigate the influence of frequency-specific audibility on audiovisual benefit in children, this study examined the impact of high- and low-pass acoustic filtering on auditory-only and audiovisual word and sentence recognition in children with typical hearing. Previous studies show that visual speech provides greater access to consonant place of articulation than other consonant features and that low-pass filtering has a strong impact on perception on acoustic consonant place of articulation. This suggests visual speech may be particularly useful when acoustic speech is low-pass filtered because it provides complementary information about consonant place of articulation.
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