Filipa M. Lã

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Certain spectrum characteristics have been identified as important for register equalization around the male passaggio, an effect ascribed to formant tuning although descriptions of formant tuning diverge. Eight professional singers sang scales including their passaggio range on different vowels, applying two formant tuning strategies as found in (1)(More)
The term "formant tuning" is generally used for the case that one of the lowest formant frequencies coincides with the frequency of a source spectrum partial. Some authors claim that such coincidence is favorable and belongs to the goals of classical opera voice training, whereas other authors have found evidence for advising against it. This investigation(More)
Previous studies have shown that singers tend to sharpen phrase-peak tones as compared with equally tempered tuning (ETT). Here we test the hypothesis that this can serve the purpose of musical expressivity. Data were drawn from earlier recordings, where a professional baritone sang excerpts as void of musical expression as he could (Neutral) and as(More)
The success of professional operatic singers depends upon the quality of their vocal mechanism. This is known to be sensitive to changes in the endocrine environment. Despite a widespread belief among singers that vocal quality changes according to the stage of the menstrual cycle, this has received little attention. In particular, the possibility that use(More)
The phonatory and resonatory characteristics of nonclassical styles of singing have been rarely analyzed in voice research. Six professional singers volunteered to sing excerpts from two songs pertaining to the musical theater and to the soul styles of singing. Voice source parameters and formant frequencies were analyzed by inverse filtering tones, sung at(More)
OBJECTIVES This study assessed the effect of practicing the accordion on pain and posture of children and adolescent students. METHODS Pain and posture (forward head posture, scapular posture, and lumbar lordosis) were compared between two groups of preparatory and secondary school students, matched for age and sex: those who took accordion lessons(More)
OBJECTIVES The theory of nonlinear source-filter interaction predicts that the glottal voice source should be affected by the frequency relationship between formants and partials. An attempt to experimentally verify this theory is presented. STUDY DESIGN Glottal voice source and electrolaryngograph (ELG) signal differences between vowels were analyzed in(More)
Aims and objectives Previous studies have provided evidence for the connection between sex hormonal variations and voice quality; however, the extent and type of this relationship still raises some controversy, especially with regard to the singing voice. The current investigation aims to: (i) provide consistent information about the effects of the hormonal(More)
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