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Using microphones in a speech

o Test the equipment

Make sure you are familiar with the microphone itself as well as the controls for it if you have access to them (like in a UWA lecture theatre). It may be the case that a technician will control the volume of you microphone from a sound desk elsewhere in the room. Either way you should know the basics such as how to turn the microphone on and off.

There are many types of microphone but in public speaking, two main types are used: the lapel mike (using either a battery pack or a long cable) and the lectern mike. Lapel mikes should be about 20-25 cm from your chin with no buttons, jewellery etc in the way. Lectern mikes vary so that you will need to work out how far away to stand. If using on of these then make sure the audience can still see your face.

Check if the microphone picks up sound from all around or just from straight on. Give it some “p’s” and “s’s” to see if it pops or hisses. Please do not tap it or blow into it.

o Test your audience

It’s a good idea to ask a friend to go and sit in the audience and listen to you say a few sentences. They can tell you if it is loud enough and whether you voice is coming through clearly.

o Avoid fidgeting and breathing (on the microphone!)

Two of the most annoying and districting noises to hear through speakers are the sudden loud noises resulting from tapping or blowing into the microphone. Position the static microphone where it is less likely to be knocked and make sure lapel mikes are located far enough away from your mouth.

o Remember to vary your voice

The microphone will make your voice louder but nothing else – ie YOU need to make sure you vary the tone, pace, style etc. A monotone sounds WORSE when it is amplified.

o Avoid leaning over and getting too close

Hunching over means that you will be in an awkward position during your talk and that you vocal variety will be limited. It will also be distracting for your audience to see and hear you very close to the microphone. If you find yourself standing in anything other than a natural pose then you need to move the equipment!