Figure 14-23.Dual redundancy lavaliere microphone.
should not connect both microphones to the same audio
slider in the audio control room.
The wireless microphone, as its name implies,
works without cables. It is a standard lavaliere
microphone connected to a battery-powered radio
transmitter. The talent may clip the transmitter to his belt
or conceal it under an article of clothing. A small antenna
connected to the transmitter sends the audio signal on
an FM frequency to the receiver in the audio control
room. The signal is then fed to the audio switcher, who
controls the input like any other sound source.
Be careful when you use wireless microphones
because they may deliver unwanted audio from radio
freqencies (RF) in the area. A wireless microphone
receiver and transmitter are shown in figure 14-24.
In addition to the mobile microphone group, you
will become familiar with the following four stationary
Figure 14-24.Wireless microphone receiver and transmitter.