The Influence of CVT Metal and Density on Voice Directivity Patterns Across Two Octaves: A Double-Case Study
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View abstract on PubMed
Summary
This summary is machine-generated.Vocal directivity is influenced by "metal" and "density" parameters in singing, affecting sound radiation patterns. These findings offer new insights for voice training and performance acoustics.
Area Of Science
- Acoustics
- Vocal Pedagogy
- Music Performance
Background
- Spatial characteristics of voice radiation are underexplored in vocal performance and pedagogy.
- Previous research focused on spectral and glottal correlates, neglecting directional sound energy distribution.
- This study builds on Complete Vocal Technique (CVT) to investigate perceptual parameters influencing voice directivity.
Purpose Of The Study
- To explore how perceptual parameters of metal and density influence voice directivity patterns.
- To analyze spatial radiation across different vocal modes and stylistic contexts within the CVT framework.
- To identify singer-specific differences in spatial radiation related to vocal technique variations.
Main Methods
- A double-case study involving two professional singers (one male, one female).
- Recording of 1088 sustained phonation samples across four CVT vocal modes with varied metal and density settings.
- Analysis of directional sound radiation using microphone arrays, front-back ratios, spectral tilt, directivity indices, and factor analysis.
Main Results
- Singer-specific differences in spatial radiation patterns were observed, linked to variations in metal and density.
- Forward-focused radiation (2-5 kHz) was noted in Overdrive and Edge modes with full metal and density.
- Classical productions showed broader low-frequency radiation (0-2 kHz), while contemporary styles were more directional.
Conclusions
- Variations in "metal" and "density" significantly alter three-dimensional vocal radiation beyond pitch and loudness.
- Spatial acoustics offers a valuable extension to the CVT framework for voice training and performance.
- Novel parameters for quantifying vocal radiation are proposed for applied settings like voice training and immersive audio.
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