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Today there is a wireless microphone system for almost every application, from school gymnasiums to presentations, to churches and conference rooms. Wireless microphones are a great solution when you need a little bit more freedom and don’t want to be restricted by cables and wires. As with most things though, wireless microphones are not without their own set of problems. Issues like wireless mic dropouts can be a real nightmare.
In this video, we’re going to talk about the most common wireless microphone problems our customers run into and how you can address them.
What are common problems you might face with wireless mics?
Multi-path Interference, Noise Floor and Interference, Intermodulation Distortion and Frequency Coordination, Static, Channels "Mysteriously" Changing, Incompatibility...these are just a few examples. Let’s see if we can’t clarify what some of these actually mean and how you might be able to fix them.
1. Static on a wireless mic is usually caused when the mic is too far away from the receiver, a battery is dying, or when something is interfering with the signal.
2. Loss of range or local interference is caused by competition from localized interference.
3. Multi-path interference occurs when waves from a source travel to an antenna via two or more paths and the two (or more) components of the wave interfere constructively or destructively.
4. Noise Floor or Noisy wireless of a radio receiver is the level of background noise that is present before any wanted signals are received.
5. Intermodulation typically occurs when multiple wireless systems are used together and the receivers are in close proximity (or in the same rack).
6. Incompatibility happens when using multiple wireless transmitters on 1 receiver, and/or if components are not made to be used together.
Know your RF spectrum:
An RF wireless microphone uses Radio Frequencies to send data. You should know what radio frequency bands in your area are high traffic for radio and TV stations, cell phone companies, etc. Consumer-level wireless systems must stay clear of these due to broadcast hierarchies. It is best to identify where these potentially problematic frequencies are to mitigate any conflicting reception, noise, and static that can occur.
Have additional questions about wireless microphone problems? Let us know by commenting below, emailing sales@proacoustics.com, or calling (888) 256-4112.
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