What is Audio Compression?

Audio compression is often shrouded in mystery, but at its core it is a really simple concept. 

Compressors help to control the dynamic range or "volume" of an audio signal. It does this by compressing audio signals that go above a certain level, called the "threshold". 

 

Threshold, Ratio, Attack and Release

Compressors come with lots of different settings in this day and age, but these are the most fundamental ones to understand. 

1. Threshold

This determines the volume at which the compressor will begin to affect the audio signals. 

2. Ratio

This determines the volume at which the compressor will begin to affect the audio signals.

3. Attack

This determines the volume at which the compressor will begin to affect the audio signals. 

Common ways to use Audio Compression

1. Smoothing out Vocals

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Examples

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2. Doing Stuff that's Cool

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