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An Introduction to Compression: Basic Compression - A Free Guide from Audio Masterclass

What is a compressor? What is it for?

A post by David Mellor
Thursday March 06, 2003
An introduction to the use of the compressor in recording and sound engineering.
What is a compressor? What is it for?

One of the principal uses of compression is the control of level in vocals.

Many singers train for years to achieve the degree of breath control necessary for an even tone and expressive performance.

Other vocalists rely on an instinctive voice production technique, which may need help in the studio to maintain a consistent level, and result in a vocal track which 'sits' correctly in the mix.

The best way to even out the level of a vocal is to 'ride' the fader manually. When the vocal gets too loud, the engineer brings it down. When it gets too quiet, the engineer brings it back up again.

The compressor can do this automatically. It can't do it as musically as the engineer can, but it takes less attention, and can respond to faster changes.

The best way is to combine both - ride the level with the fader, then put the signal through a compressor.

The result will be a vocal that is consistent in level throughout the track.

The compressor can be applied to any signal that varies too much in level, even a complete mixed track.

A post by David Mellor
Thursday March 06, 2003 ARCHIVE
David Mellor has been creating music and recording in professional and home studios for more than 30 years. This website is all about learning how to improve and have more fun with music and recording. If you enjoy creating music and recording it, then you're definitely in the right place :-)
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