Quantification of voice physiology has been a key research goal. Segmenting the glottal area to describe the vocal fold motion has seen increased attention in the last two decades. However, researchers struggled to fully automatize the segmentation task. With the advent of deep learning, fully automated solutions are within reach and have been proposed. Are we then done here? This commentary highlights the open construction sites and how glottis segmentation can be still of scientific interest in this decade.
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Have We Solved Glottis Segmentation? Review and Commentary.
J Voice
December 2024
Division of Phoniatrics and Pediatric Audiology, Department of Otorhinolaryngology Head and Neck Surgery, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany.
Quantification of voice physiology has been a key research goal. Segmenting the glottal area to describe the vocal fold motion has seen increased attention in the last two decades. However, researchers struggled to fully automatize the segmentation task.
View Article and Find Full Text PDFSound source locations and their roles in Japanese voiceless "glottal" fricative production.
J Acoust Soc Am
November 2024
Toyohashi University of Technology, 1-1 Hibarigaoka, Toyohashi, Aichi 441-8580 Japan.
Although [h] is described as a glottal fricative, it has never been demonstrated whether [h] has its source exclusively at the glottis. In this study, sound source locations and their influence on sound amplitudes were investigated by conducting mechanical experiments and airflow simulations. Vocal tract data of [h] were obtained in three phonemic contexts from two native Japanese subjects using three-dimensional static magnetic resonance imaging (MRI).
View Article and Find Full Text PDF[Epidemiological features of laryngeal papillomatosis in adults in Moscow].
Vestn Otorinolaringol
August 2024
Sverzhevsky Research Clinical Institute of Otorhinolaryngology, Moscow, Russia.
Objective: To evaluate the incidence of laryngeal papillomatosis (LP) and LP recurrence in adults and to determine the risk factors for the development of LP recurrence in adults in Moscow. To solve the tasks set, a survey of patients carried out, including the collection of complaints and anamnesis, a standard examination of the ENT organs, an assessment of the condition of the larynx, and a histological examination.
Material And Methods: We conducted a retrospective analysis of the case histories of 299 patients with LP observed and treated at the Sverzhevsky Research and Clinical Institute of Otorhinolaryngology in the period 2010-2020.
[Preliminary analysis of the effect of individualized voice therapy on pediatric voice disorders].
Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
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To determine the effectiveness of individualized voice therapy in persistent pediatric voice disorders. Thirty-eight children who were admitted to the Department of Pediatric Otolaryngology Shenzhen Hospital, Southern Medical University due to persistent voice disorder from November 2021 to October 2022 were included. All children were evaluated by dynamic laryngoscopy before voice therapy.
View Article and Find Full Text PDFComparison of one-dimensional and three-dimensional glottal flow models in left-right asymmetric vocal fold conditions.
J Acoust Soc Am
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Department of Mechanical Engineering, Toyohashi University of Technology, 1-1 Hibarigaoka, Tenpaku, Toyohashi 441-8580, Japan.
While the glottal flow is often simplified as one-dimensional (1D) in computational models of phonation to reduce computational costs, the 1D flow model has not been validated in left-right asymmetric vocal fold conditions, as often occur in both normal and pathological voice production. In this study, we performed three-dimensional (3D) and 1D flow simulations coupled to a two-mass model of adult male vocal folds and compared voice production at different degrees of left-right stiffness asymmetry. The flow and acoustic fields in 3D were obtained by solving the compressible Navier-Stokes equations using the volume penalization method with the moving vocal fold wall as an immersed boundary.
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