Guitar FX basics: What is compression?

Guitarists often use compression to sustain long notes

Click here for all Guitar FX basics videos.

Getting to grips with guitar effects can be a complicated business and there are so many different types that it can be difficult to know where to start. This Guitar FX basics series of video lessons is a brief introduction to the most common effects.

This video lesson focuses on compression. It´s easiest to think of compression as an automatic volume control, with the volume being turned down very quickly every time a loud sound occurs. The result is a smaller difference between loud and quiet sounds, making the signal sound ‘compressed´.

Listen to the video below to hear how this sounds.