Using compression for balance, fatness, energy and punch

Using compression for balance, fatness, energy and punch

Using compression is a fundamental part of most mixes. You may hear people talk about using compression to balance signals, add punch, create energy or create excitement in a mix. In this article, we’ll learn how you can achieve each of these characteristics using compression.

What is compression?

Compressors reduce the dynamic range of an audio signal. This means that they reduce the difference between loud and quiet. In most common applications, compressors achieve this by turning the loud parts of a signal down.

Using compression for balance and consistency

One of the most common uses of a compressor is simply to balance out the level of a signal and make its dynamic range more consistent. This is useful because, if a signal’s dynamic range is too great, it can be difficult to set the fader to one position for the whole song. Take for example a vocalist who performs a take with varying dynamics. If you set the fader to the correct spot for the quiet parts of the performance, then the vocals will be too loud during the louder parts. If you set the fader for the louder parts, then the vocals will be too quiet during the quieter parts. This is true of any instrument that exhibits a fair amount of dynamic range.

You can approach the balancing of levels using compression in different ways. You could set the compressor’s threshold so that compression is only applied to the signal’s loudest parts. You could use this method to attenuate only the loudest parts of a vocal or to turn down a loud snare drum in the overhead recording of a drum kit, whilst leaving the rest of the signal uncompressed.

Alternatively, you could set the threshold lower so that more of the signal is compressed. This is a great approach for reducing the overall dynamic range of a track and achieving more balanced levels. Keep in mind also that applying a smaller amount of compression using a lower ratio, to more of the signal using a lower threshold, can often be more transparent than applying a larger amount of compression using a higher ratio, to a smaller portion of the signal using a higher threshold.

When balancing signals, fast attack and release times are generally preferred. This ensures that the compressor reacts quickly to level changes to keep the signal balanced.

Using compression to add punch, energy, and excitement

In addition to balancing levels with a compressor, you can also use a compressor to add punch, energy, and excitement to your tracks. To achieve this, the process is a little different. Rather than turning down entire notes in the way that you do when balancing signals, you instead use the compressor to alter the dynamics within individual notes. This is achieved by altering the relationship between a note’s attack and decay. This is known as ‘reshaping’ the note’s ‘envelope’.

In order to give a track more punch, energy, or excitement, you need to emphasize the note’s attack. This is achieved by setting your compressor so that it retains the note’s natural attack, but attenuates its decay. To do this, you need to set the compressor’s attack slow enough to allow the note’s natural attack through largely uncompressed. You should then set the release slow enough to ensure that the compressor attenuates the level of the note’s decay, but fast enough to ensure that the compressor resets before the next note comes along. That’s because you will want to let the next note’s natural attack through largely uncompressed as well. This process enables you to make drums more punchy or to give guitars and basses more energy and excitement.

Using compression to fatten sounds

Using compression can also be a way of making signals in your mix sound fatter and fuller. Just like the previous example, you achieve this by reshaping the notes. This time, you alter the note by emphasizing its decay. To do this, you need to use a fast attack to attenuate the natural attack of an instrument’s notes. You also use a fast release. That way, the attenuation ceases quickly enough to allow the note’s decay to be unaffected.

You can then use make-up gain to turn the level of the signal back up to match the input level. So now, the decay of the instrument’s notes is much closer in level to the attack. This is a great way to fatten up kick drums, snare drums, and toms. You can also use this method to make guitars sound fatter and fuller by accentuating their sustain.

Of course, you must keep in mind that very fast attack and release times on a compressor can cause low-frequency distortion. So listen closely when using this technique.


As you can see, a compressor is a versatile tool. A compressor can balance out a signal to make its dynamic range more consistent. Alternatively, it can be used to make a track punchier and fatter or to give it more energy and excitement… How do you like to use compressors in your mixes?


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EQ Settings Cheat Sheet Compression Settings Cheat Sheet How to record studio quality vocals at home How to record drums with one mic

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