Omnidirectional Microphone

Omnidirectional microphones are microphones that pick up sound with equal gain from all sides or directions of the microphone. This means that whether a user speaks into the microphone from the front, back, left or right side, the microphone will record the signals all with equal gain.

Journals Related to Omnidirectional Microphone
Transactions on Wireless Communications, Transactions on Microwave Theory and Techniques, Antennas and Wireless Propagation Letters, Industrial Electronics Magazine