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Updated: Nov 2, 2025
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Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception
Published on: August 9, 2024
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The Voice Range Profile-A Shortened Protocol Pilot Study
Ann Kolker Rychel1, Miriam van Mersbergen2
1Northern Illinois University, Dekalb, IL.
Summary
A new Short Voice Range Profile (VRP) method offers a time-efficient alternative to the full VRP, providing similar voice intensity data for singers. This method accurately captures vocal intensity ranges, making VRP assessment more accessible.
Area of Science:
- Acoustic analysis of voice production.
- Vocal performance assessment in singers.
Background:
- Voice production involves complex coordination of anatomical and physiological systems.
- The Voice Range Profile (VRP) is a standard acoustic measure for evaluating voice production.
- A need exists for a more efficient and accessible VRP elicitation method.
Purpose of the Study:
- To establish a consistent, efficient, and accessible VRP elicitation method.
- To determine if a proposed Short VRP method provides comparable information to the full, discrete-steps method.
Main Methods:
- Quasi-repeated measures design with 24 singers.
- Comparison of a full VRP (semitone steps) with a proposed Short VRP (octave and perfect fifth steps with additional sampling).
- Analysis included elicitation time, range differences, graphical VRP examination, and intensity differences.
Main Results:
- The Short VRP protocol yielded similar or superior intensity ranges compared to the full method.
- The Short protocol demonstrated 95% or greater similarity to the Full Protocol for male maximum intensity, female minimum intensity, and female maximum intensity curves.
Conclusions:
- The Short VRP protocol is a time-efficient substitute for the Full VRP.
- It generates comparable minimum and maximum intensity curves, facilitating quicker voice assessments.
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