The vast selection of microphones found in the average music store can seem mind boggling even to the seasoned professional. The following guide will help make choosing the right mic a lot easier.

Directional Properties

Every microphone has a property known as directionality . This describes the microphone's sensitivity to sound from various directions. Some microphones pick up sound equally from all directions; others pick up sound only from one direction or a particular combination of directions. The types of directionality are divided into three main categories:

  1. Omnidirectional
    Picks up sound evenly from all directions (omni means "all" or "every").
  2. Unidirectional
    Picks up sound predominantly from one direction. This includes cardioid and hypercardioid microphones (see below).
  3. Bidirectional
    Picks up sound from two opposite directions.

To better understand directional properties lets take a look at the graphical representation of these patterns.