You're looking for features related to the Estill Voice Model (EVM) and its representation in a PDF format!

: Isolate 13 parts of the vocal mechanism (e.g., Larynx, Thyroid Cartilage, Velum) to learn independent movement.

These are specific exercises to control different parts of the vocal tract, such as the soft palate (velum) larynx height tongue position The Power-Source-Filter Model: The system views the voice as an instrument where the provide power, the vocal folds (larynx) act as the source, and the vocal tract serves as the filter that shapes the tone. Three Disciplines of Voice:

Controls nasality by opening or closing the port to the nasal cavity.

Overview of the Estill Voice Model, its Figures for Voice, Qualities, and application in vocal training. Date: October 26, 2023

The is a scientific approach to voice training developed by Jo Estill that identifies 13 anatomical structures (called "Figures") and 6 foundational voice qualities. Official PDF resources, such as workbooks and study guides, are primarily distributed through Estill Voice International . Official PDF Resources