Purpose: to carry out an integrative literature review about the acoustic characteristics of
healthy voice production, from childhood to old age. Methods: a bibliographic survey was …

Objective To verify the modifications in auditory-perceptual and acoustic parameters of the
fundamental frequency, short-term perturbation, noise, and cepstral measures of voice in …

Purpose This study examined differences in selected acoustic measures of speech and
voice according to age and sex and across families. Method Participants included 169 …

This study compares fundamental frequency (fo) and fundamental frequency standard
deviation (fo SD) of COVID-19 patients with the same parameters in the speech of subjects …

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 …

Objetivo Verificar os efeitos de uma estratégia de aquecimento (AV) e desaquecimento
vocal (DV) em professores. Método Estudo exploratório quase-experimental, cego ao …

Acoustic voice analysis is still a valuable technique which enables voice clinicians to
compare voices to differentiate them into normal and abnormal. The present study was …

Age is one of the key variables in the field of language variation and change (LVC). The vast
majority of experimental work generally views a speaker's date of birth—chronological age …

Purpose: to compare the measurements of fundamental frequency (F0) and frequency of the
first two formants (F1 and F2) of the seven oral vowels of the Brazilian Portuguese in two …

Objective To verify whether the dimensions of different segments of the oropharyngeal cavity
have different proportions between Parkinson's disease patients and vocally healthy …