การดู
7:57
TED's secret to great public speaking | Chris Anderson | TED
2:12
Find Your Natural Tone of Voice
8:19
The Secret to Great Public Speaking (No, It's Not Confidence) | Jess Ekstrom | TEDxSugar Creek Women
1:38
Tone of Voice
1:03:43
How to Speak
5:52
Public Speaking For Beginners
12:22
Vocal Branding: How Your Voice Shapes Your Communication Image | Wendy LeBorgne | TEDxUCincinnati
4:15
How To Speak More Slowly and Clearly