OBJECTIVE To identify a possible correlation between teachers vocal intensity and the noise in the classroom, as well as between vocal intensity and the symptoms of vocal tract discomfort before and after classes. METHODS 27 Elementary School I teachers participated in the study. We used the questionnaires "Vocal Production Condition of the Teacher" and "Vocal Tract Discomfort Scale - VTD" wh...

Let k k be a field and alttext="upper T"> T encoding="application/x-tex">T an algebraic -t...

Vocal fold injection is a procedure that has over a 100 year history but was rarely done as short as 20 years ago. A renaissance has occurred with respect to vocal fold injection due to new technologies (visualization and materials) and new injection approaches. Awake, un-sedated vocal fold injection offers many distinct advantages for the treatment of glottal insufficiency (vocal fold paralysi...

BACKGROUND Postural correlates of vocal effort are rarely described in the literature, while they are extensively dealt with in speech therapy. OBJECTIVES This study aims at determining whether body movement is a side effect of vocal effort or an integral part of communication effort behavior. The answer to this question is mainly based on correlations between posture and phonation. METHOD ...

Vocal tremor is encountered in different neurological diseases and could be used for their characterisation. In this paper, vocal tremor features have been extracted for speakers with Parkinson’s disease and control speakers. It is shown that Parkinson’s disease has significant effects on vocal tremor features. For speakers with Parkinson’s disease, the average vocal frequency is higher and the...

This paper describes an interactive gestural microphone for vocal performance named Voicon. Voicon is a non-invasive and gesture-sensitive microphone which allows vocal performers to use natural gestures to create vocal augmentations and modifications by using embedded sensors in a microphone. Through vocal augmentation and modulation, the performers can easily generate desired amount of the vi...