A cardioid is a type of geometrical shape that is a type of limacon. A cardioid is formed when a circle is rolled around another circle creating a curved shape.
A cardioid has 1 line of symmetry.
That means a heart curve.
heart
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The cardioid or unidirectional microphone is the most common type of microphone pickup pattern. It is used everywhere, from voice to instruments.
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A cardioid is a heart shaped circle with another circle thing going around it always meeting up at the middle of the circle thingy...I think?
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The main difference between a supercardioid and cardioid microphone pattern is the directionality of sound they pick up. A supercardioid microphone is more focused and picks up sound from the front while rejecting more sound from the sides and rear compared to a cardioid microphone, which picks up sound mainly from the front but also captures some sound from the sides.
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