Wireless Mic Glossary

Here Are Some Terms You’ll Need To Discuss Wireless Mics
White Space
The 700 mHZ range shared by wireless mics and tv broadcasts, now reallocated for new wireless applications
Lavalier
Clip on microphone, used with a belt pack transmitter
Handheld
A handheld microphone body which includes a transmitter
Plug On
A wireless transmitter plugged into a non-wireless mic to make it wireless
Bandwitdth
The portion of the broadcast spectrum that a wireless mic uses to transmit signal
Receiver
The device that receives the radio transmission, turns it into an audio signal and outputs it to the sound system mixer, camera or recording device
RF
Abbreviation for Radio Frequency
Diversity
System for improving reliablity of signal at receiver by providing dual signal paths
Alkaline Battery
Battery technology best suited for wireless microphones
Auto Sync
The ability for the transmitter to automatically sync to the receiver frequency
BNC
A twist lock bayonette-style connector used on most wireless mic antennae
Beltpack/Bodypack
A wireless transmitter and battery pack designed to be used with a lavalier (clip on mic) or an instrument cable (e.g. wireless guitar ).
Whip
Synonym for antenna
Cordless Mic
Another term for wireless microphone
Operating Range
The maximum distance between transmitter and receiver
VHF
“Very High Frequency”-Broadcast band normally used for FM radio and televison
UHF
“Ultra High Frequency”-Broadcast band normally used for televison
Squelch
Control that mutes the receiver when no transmitter signal is present
Drop Out
Momentary loss of transmitter signal at the receiver
Companding
Electronic circuit used to compress audio signal to improve dynamic range
DSP
Digital signal processing-processor used in digital wireless microphones
Frequency Agile
Wireless mic system that can be tuned to multiple frequencies
UHF Band
470 MHz to 845MHz portion of eletromagnetic spectrum
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