CHAPTER 6 Expansion and Gating


The most underutilized effect: hear what you are missing.


MIX SMART QUICK START : Expansion and Gating


  • Practical motivations include noise reduction and leakage reduction.
  • Fit tracks together in your mix more easily through cleverly reshaped amplitude envelopes and supportive gated reverbs and ambience tracks.
  • Feature tracks by extracting exaggerated ambience and artifacts, manipulating timbre, and tremolo.


  • Master the unusual set of parameters and features: threshold, slope, attack, release, fade, decay, hold, and range.
  • As you learn compression/limiting, you get better at expansion/gating, and vice versa.


With expansion and gating, the concept of a compressor gets logically inverted. ...

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