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Three-year-olds' production of Australian English phonemic vowel length as a function of prosodic context
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Entrance loss coefficients and exit coefficients for a physical model of the glottis with convergent angles
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Effects of spectral content on Horii Oral-Nasal Coupling scores in children
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Abstract:
A miniature accelerometer and microphone can be used to obtain Horii Oral-Nasal Coupling (HONC) scores to objectively measure nasalization of speech. While this instrumentation compares favorably in terms of size and cost relative to other objective measures of nasality, the metric has not been well characterized in children. Furthermore, the measure is known to be affected by vowel loading, as speech loaded with “high” vowels is consistently scored as more nasal than speech loaded with “low” vowels. Filtering the signals used in computation of the HONC score to better isolate the correlates of nasalization has been shown to reduce vowel-related effects on the metric, but the efficacy of filtering has thus far only been explored in adults. Here, HONC scores for running speech and the vowel portions of consonant-vowel-consonant tokens were calculated for the speech of 26 children, aged 4–9 yrs. Scores were computed using the broadband accelerometer and speech signals, as well as using filtered, low-frequency versions of these signals. HONC scores obtained using both broadband and filtered signals resulted in well-separated scores for nasal and non-nasal speech. HONC scores computed using filtered signals were found to exhibit less within-participant variability.
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Keyword:
Speech Production [70]
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URL: http://www.ncbi.nlm.nih.gov/pubmed/25190402 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4165226/ https://doi.org/10.1121/1.4892791
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4 |
The perceived clarity of children's speech varies as a function of their default articulation rate
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Real-time magnetic resonance imaging and electromagnetic articulography database for speech production research (TC)
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Intraglottal geometry and velocity measurements in canine larynges
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Influence and interactions of laryngeal adductors and cricothyroid muscles on fundamental frequency and glottal posture control
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Benchmarks for time-domain simulation of sound propagation in soft-walled airways: Steady configurations
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A viscoelastic laryngeal muscle model with active components
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Modeling the effects of a posterior glottal opening on vocal fold dynamics with implications for vocal hyperfunctiona)
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Temporal control and compensation for perturbed voicing feedback
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Developmental acoustic study of American English diphthongsa)
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Comparison of voice relative fundamental frequency estimates derived from an accelerometer signal and low-pass filtered and unprocessed microphone signals
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16 |
Perceptual consequences of changes in epilaryngeal area and shape
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The influence of material anisotropy on vibration at onset in a three-dimensional vocal fold model
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Acoustic correlates of vowel intelligibility in clear and conversational speech for young normal-hearing and elderly hearing-impaired listenersa
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The role of vowel perceptual cues in compensatory responses to perturbations of speech auditory feedback
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20 |
The coarticulation/invariance scale: Mutual information as a measure of coarticulation resistance, motor synergy, and articulatory invariance
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