Benefits: make speaker closer to the audience.

More persuasive, the audience can feel the sincere emotion from speaker.

Can make the speaker do the speech without looking their cue cards.

People feel speaker’s emotion. 

Too much eye contact will cause: Make people feel awkward and forget what they need to say.

Less eye contact: Make people think you are not prepared well and are not confidence. 

The audience cannot feel the mood of the speaker.

 

How can voice impact presentation? 

 

During the discussion, we found there are comprehensive way that voice impact presentation. 

 

First of all, we mention that talking pace is one important factor in public presenting, Many researchers have conclude that, to make someone listen to you without turning back, you should talk three to four words per second, and make a pause every minute. We thought this is great because you won't sound like a robot and, you will talk with a natural, convincing voice. 

 

Also, being passion always has a positive affect to presentation, in this way, people who is sited are willing to listen to you, any emotions you transmit to them, they will completely absorb it. Be passionate with your words, with your language and your program. In fact, this tip differences a good speaker from a bad speaker. 

 

Moreover, Using different tones do a lot of help in general, using higher and lower tones depend on what you are talking about, Higher, fast tones represent awareness, lower, slow tones represent concentration. Whereas, Use them wisely, don't abuse them or the audience will lose interest.