Cardioid/uni-directional
Cardioid/uni-directional – the predominant pick-up pattern of microphones. Cardioid or uni-directional microphones typically have a heart-shaped pick-up pattern (from greek ‘cardia’ = heart) and are sensitive in only one direction. This means they have less sensitivity to instruments to the side or behind them. In studios this means that they pick up best the instrument they are pointing directly at and are less sensitive the ‘cardioid’ pattern to other instruments in the room. In a live situation this means the same, with the additional benefit that being less sensitive to the outputs from loudspeakers means they cause fewer problems than other types of microphone with regard to feedback. See also hyper- cardioid and super-cardioid.
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