An investigation of the acoustic correlates of word stress in infant polysyllabic vocalization was carried out on the basis of data from 6 German-learning infants between 7 and 36 months of age in order to describe the development of word stress in German. The data were analyzed with respect to duration, intensity, fundamental frequency (f0), as well as vowel quality parameters describing the t...

This paper derived four acoustic parameters reflecting voice quality improvement by voice training. Voice training corrects respiration, phonation, articulation, and facial expression. The purpose of this study is to develop acoustic parameters which quantitatively represent the quality of each training item. This paper examined six acoustical feature parameters on the performance as the measur...

INTRODUCTION Hyperkinetic (hyperfunctional) dysphonia is a common pathology. The disorder is often found in vocal professionals faced with high vocal requirements. OBJECTIVE The objective of this study was to evaluate the effects of vocal therapy on voice condition characterized by hyperkinetic dysphonia with prenodular lesions and soft nodules. METHODS The study included 100 adult patients...

UNLABELLED Acoustic vocal analysis is a simple and fast method that allows to differentiate normal from changed voices. There are few studies that analyze normal acoustic vocal parameters at different age ranges in children. AIMS To establish normative acoustic parameters of children's voice aged 4 to 12 years. METHODS Two hundred and forty children were divided into four sub-groups by age:...