Polar Diagram Microphone. A polar pattern graph shows the variation in sensitivity as you move 360 degrees around the microphone. As you can see mic 1 has an omnidirectional pattern meaning the entire red area is equally sensitive to sound.
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Understanding microphone polar patterns is easy right. Directionality is usually plotted on a graph referred to as a polar pattern. Technically they can also be labeled as a number of things including supercardioid and hypercardioid but in the end what matters is the mic s individual polar diagram.
More specifically it describes how sensitive the microphone is to sound waves coming in from different directions.
The scale of the circle consists of smaller circles each representing a 5 db decrease in sensitivity. The scale of the circle consists of smaller circles each representing a 5 db decrease in sensitivity. Here s a diagram showing how they look. The 3 basic patterns are.
