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Specialist Polar Patterns: Hypercardioid and Subcardioid | Shure Blog
Mic directionality can be classified in three distinct types: omnidirectional, unidirectional, and bi-directional. Within these categories, there are a number of different directional patterns known as polar-patterns; the most commonly known types are cardioid and supercardioid. For a large number of common applications, these will get you pretty far - but what if your requirements are a little more specific?