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Assessment of the voice-change progress of 20 girls (12–13 years) over 1 year by observing changes in speaking fundamental frequency (SFo), voice range, and register pitch breaks in the context of weight, height, voice training, and self-perception.One-year longitudinal collective case study.Twenty girls were recorded at the beginning and end of a year; nine girls were recorded another three times...
This 12-month prospective longitudinal study used acoustic analysis to identify phonational gaps in the vocal range of adolescent boys undergoing voice change and to investigate the relationship between the appearance of phonational gaps, weight gain, and changes in speaking fundamental frequency (SF 0 ). Eighteen pubescent boys were recorded producing three descending and three ascending...
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