What you need for a powerful spoken presentation
Delivering a powerful and successful spoken message means losing the whine and perfecting your resonance.
Resonance is the "hum" in the voice that gives it the warm, rich sound that is pleasant to hear. The body is full of sounding chambers called resonating cavities. They include the head, sinuses, mouth, throat and chest, all of which are essential to producing resonance. If you use these cavities or chambers well, you improve the quality of your voice, establish good vocal habits and eliminate vocal fatigue.
Nasality, on the other hand, is caused by lowering the soft palate so that most of the air is exhaled through the nose rather than the mouth. The result is the concentration of the resonance in the nose, closing off all the other resonating cavities. This causes a twang in the voice and is usually identified with people who whine.
An example of good use of resonance is the actor, James Earl Jones. With his deep and vibrant voice, he is thrilling to listen to. When he speaks, you are hearing resonance at its richest. But James Earl Jones was not born with that wonderful sounding voice.
As a child, he stuttered so badly he tried to avoid speaking. With determination and practice, however, he not only overcame the stuttering but went on to develop the resonant voice that has become his trademark.
In her manual Building the Power of Your Voice: How to Improve Your Voice to Command Attention & Move People to Action, Dr. June Johnson shares extensive techniques and valuable solutions that allow individuals to achieve success in professional public speaking.
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