Although cardioid (single-direction ... record directly to mobile devices is more appropriate. Wireless lav systems like the DJI Mic 2 are helpful in these scenarios since they get the mic ...
Also called a "unidirectional" mic, the term cardioid comes from "kardia," which means heart in Greek. The cardioid mic pattern loosely resembles the shape of a heart. "Bidirectional" mics pick up ...