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Acoustic Effects of Speaker Sex, Speech Sample, and Mandarin Tone on Vowel Production of Poststroke Spastic Dysarthria.
Folia Phoniatr Logop
December 2024
Department of Rehabilitation Sciences, Faculty of Education, East China Normal University, Shanghai, China.
Introduction: Vowel production in dysarthria tends to be centralized, which is affected by many factors. This study examined the acoustic effects of speaker sex, tones, and speech samples (including sustained vowels, syllables, and sentences) and their interactions on vowel production in Mandarin speakers with poststroke spastic dysarthria.
Methods: Twenty-eight patients with poststroke spastic dysarthria (18 males, 10 females) and 21 healthy speakers (11 males, 10 females) with no significant difference in sex and age with dysarthria were recruited.
Effects of Speaking Rate on Variability of Second Formant Frequency Transitions in Dysarthria.
Folia Phoniatr Logop
June 2024
Department of Communicative Disorders and Sciences, University at Buffalo, Buffalo, New York, USA.
Introduction: This study examined the utility of multiple second formant (F2) slope metrics to capture differences in speech production for individuals with dysarthria and healthy controls as a function of speaking rate. In addition, the utility of F2 slope metrics for predicting severity of intelligibility impairment in dysarthria was examined.
Methods: Twenty three speakers with Parkinson's disease and mild to moderate hypokinetic dysarthria (HD), 9 speakers with various neurological diseases and mild to severe ataxic or ataxic-spastic dysarthria (AD), and 26 age-matched healthy control speakers (CON) participated in a sentence repetition task.
A Novel Acoustic Evaluation Method for the Diagnosis of Adductor Spasmodic Dysphonia.
Folia Phoniatr Logop
June 2024
Division of Otolaryngology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.
Introduction: Adductor spasmodic dysphonia (ADSD) is characterized by involuntary laryngeal muscle spasms. Due to the lack of a quantitative evaluation method, most measurements have demonstrated difficulty in validity and reliability for diagnosing ADSD. This study aimed to establish a novel indicator for ADSD and determine its diagnostic effects.
View Article and Find Full Text PDFA Speech Recognition Method Based on Domain-Specific Datasets and Confidence Decision Networks.
Sensors (Basel)
June 2023
School of Electrical and Control Engineering, North China University of Technology, Beijing 100041, China.
This paper proposes a speech recognition method based on a domain-specific language speech network (DSL-Net) and a confidence decision network (CD-Net). The method involves automatically training a domain-specific dataset, using pre-trained model parameters for migration learning, and obtaining a domain-specific speech model. Importance sampling weights were set for the trained domain-specific speech model, which was then integrated with the trained speech model from the benchmark dataset.
View Article and Find Full Text PDFSmoothed Cepstral Peak Analysis of Brazilian Children and Adolescents Speakers.
J Voice
September 2024
São Paulo State University (UNESP), Marília, São Paulo, Brazil.
Introduction: Childhood and adolescence are essential stages in the development of voice and speech quality; therefore, it is essential to understand the vocal changes that occur during this period. Frequency-based measurement methods like cepstral measurements stand out among the methods described, which are able to identify f and estimate the periodicity and noise in the acoustic wave without establishing individual cycles of the sound wave.
Methods: Two hundred seventy-one recordings (128 female and 131 male) from children and adolescents aged 5 to 18 years with no vocal complaints were analyzed.
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