For Dummies — Voice And Speaking Skills

Your voice is physically connected to your posture. If you are hunched over, your airway is constricted.

Finding your "true" voice isn't about sounding like a radio announcer; it’s about aligning your physical breath with your personal confidence. Whether you’re prepping for a keynote or just want to stop being asked to repeat yourself at dinner, mastering your voice is a physical skill, much like yoga or swimming. Voice and Speaking Skills For Dummies

A monotone voice is a sleep aid for your audience. Use "vocal variety" to keep people engaged. Your voice is physically connected to your posture

It physically lifts the soft palate in the back of your mouth, making your tone sound warmer and more approachable. Voice and Speaking Skills For Dummies