
So above all else, vocal compression makes the lyrics easier to understand and helps to keep the words from being drowned out by the music. In fact it was originally called “Automatic Level Control.” So if you’re singing or rapping some words louder than others, compression makes for a less drastic volume difference between the loud and quiet parts. Click for full size:īack in the old days, vocal compression was used for one purpose:Ĭompression makes the volume of a vocal more consistent overall.

I used drums instead of vocals in the diagram below because I felt that would be the easiest to understand visually. Also note that this article is about sound compression or even more specifically “dynamic range compression” and should not be confused with data compression (mp3, zip, rar, etc.) This isn’t a comprehensive explanation of compression, you can find that elsewhere. I thought I’d post the email here for those of you who might still be struggling with the concept (I know I did for years) or to refer your friends to. Last night, I was giving one of our mastering clients some mixing advice regarding vocal compression.
