What is a Polar Pattern?
At a basic level, a polar pattern is the term used to describe the directionality of a mic. They outline just how sensitive your mic is to any incoming sound waves that are delivered from different angles/directions. It’s sometimes also referred to as a pickup pattern.
Every microphone you use – be it a condenser, ribbon or dynamic variant etc – has at least one kind (with many now featuring multiple types you can switch between), from budget models, to high-end professional products used in world-class recording facilities. Certain polar patterns are better for vocals, different recording scenarios, or capturing specific instruments.
A microphones polar pattern is usually represented in a circular chart format. This visual data offers a look at just how (and where from) the sound is picked up by your mic. Each polar pattern boasts a unique shape which allows you to identify one from another. You can see a variety of these charts in the section below.
Developing an understanding of polar patterns is therefore extremely important if you record and produce your own/others music, or work in live sound regularly. Once you know enough about them, you’ll be able to select the right polar pattern for the job every single time – and subsequently be able to place your mic in the most effective position too.
What are the Different Types of Polar Pattern?
In this section, we outline the most common types of polar patterns and take a closer look at each of their unique characteristics.
Cardioid
- The most common directional polar pattern.
- Most sensitive from the front.
- Least sensitive from the back. Reduced pick up from the sides.
- Effectively isolates the mic from annoying room/ambient sound.
- Increased resistance to feedback (in comparison to omnidirectional microphones).
- Excellent for loud live environments, or when you need to highlight one sound source – for example, a vocal.
- Two cardioid mics positioned at a 90 degree angle to each other creates the popular X/Y stereo technique. This delivers dedicated left and right recording of your source.