Mastering Elements Part 1: The Buss Compressor - http://tinyurl.com/3taqffc

via audio.tutsplus.com

From http://audio.tutsplus.com:

Mastering is a pretty big subject, so instead of tackling it in one tutorial I thought it might be easier, for those new to the subject, if I split it up into bite sized pieces. Each tutorial will look at a separate process used in a typical mastering set up, why we use it and what it achieves.

One of the first processors used in any mastering chain is a buss compressor, this is really just a name for compressor used to treat an entire mix (i.e. the master buss). Let’s take a closer look at how the compressor is used in mastering and the different processors used for the task.

http://audio.tutsplus.com/tutorials/mixing-mastering/mastering-elements-part-...