S Heitmüller

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Voice range profile (VRP) measurement was used to evaluate the vocal capabilities of 180 children aged between 4 and 12 years without voice pathology. There were 10 boys and 10 girls in each age group. Using an automatic VRP measurement system, F0 and SPL dB (lin) were determined and displayed two-dimensionally in real time. The speaking voice, the shouting(More)
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