## Sidechain Compression: What is it and what’s it used for? This innovative technique from the world of 1930’s cinema has become a mainstay of both corrective and creative dynamics processing, and well-worth getting to grips with. Everything other than the drum parts is being routed through the “FrenchTouch Submix” channel, which has a compressor inserted and configured to take its external sidechain from the kick drum track. Sidechain compression is a music production technique in which a compressor turns down an audio signal in response to another audio signal. Most commonly, it’s used to…