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Using Audio-Visual Aids In Public
Speaking
One of the best ways to liven up even an already very good
public speech is to add audio-visual aids. A short clip from
another speech or a brief video (with or without sound) can
often convey the message in essential form.
Sound and images can be used in many, many ways.
A short video can be used to introduce the topic that the
speaker intends to discuss. He or she can then go on to analyze
it in detail, flesh out the theme or expand on the subject of
the clip. That gets your audience involved immediately.
Provided, of course, that the clip itself is interesting and
well done.
The video can, for example, be a short segment of a news
broadcast showing how tin makes its way from the mine to a
grocery store shelf. It can portray the construction of an
airplane at 100 times normal speed or in a series of quick
photos. It can show melting Artic ice for a discussion of
environmental issues. In short, it can cover any topic just as
your speech can.
Audio and video lend an air of expertise to your talk. You
acquire by association some of the prestige attached to the
clip. At the very least, you show your ability to choose
quality material. That sets up the expectation that your speech
will be of similar tone and quality.
Of course, for that to be effective the clip has to be well
done or appropriate. Even an audio or video clip containing
errors can be a useful jumping off point. You can use it to
demonstrate the sorts of mistakes that some people can make,
then point out how to avoid being taken in. You can use it to
show what the correct story is.
Static photos or images can be a powerful public speaking aid,
too. They're much more common, so the speaker has to take care
not to overuse them. Some speakers will rely too much on a
Powerpoint presentation to demonstrate graphs of figures. That
makes the images the presenter, not you.
But used correctly, a good graph or a telling photo can be a
terrific adjunct to a well-made point. Nothing persuades like
an accurate set of data showing a trend. And there's no better
way to show that trend than the traditional line graph.
Take care not to attempt to mislead the audience or bamboozle
them with alleged facts and figures, though. Don't draw hasty
or questionable conclusions from the slide. There will always
be some expert in the audience ready to trip you up. Remember,
the audience can see the image as well as you. That's the whole
point of showing it. They will often draw their own conclusion.
You want that conclusion to be the one you have drawn.
The list of possible content is endless. Just be sure that any
supplemental aids are just that, desserts and not the main
course.
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