World Champion Speaker Lance Miller suggests if you want to project your voice strongly, practice this exercise with someone:
- Stand 10 feet apart and have a conversation so that each person can hear the other
- Repeat at 20 feet
- Repeat at 30 feet
- Repeat at 40 feet
- Repeat at 50 feet
Tim Wilson
Professional Speech Coach
Free speaking tips at: http://speakingquicktips.blogspot.com